Roland A-6 Operating and maintenance manual

Oct, 1998
A-6
TABLE OF CONTENTS Page
A-6
SPECIFICATIONS•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••1
LOCATION OF CONTROLS•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••2
EXPLODED VIEW•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••3
BLOCK DIAGRAM•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••4
PARTS LIST ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••5
TEST MODE ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••6~8
SYSTEM SOFTWARE UPDATE••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••8
CIRCUIT DIAGRAM & BOARD ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••9~15
IC DATA ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••16
A6-OP1
SPECIFICATIONS •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••17
INSTALLING THE••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••17
PARTS LIST•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••18
CIRCUIT DIAGRAM & BOARD•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••19~20
Printed in Japan (GF0) (CR) 1
17059934
Issued by RJA
Copyright c1998 by ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION.
SPECIFICATIONS
A-6 Digital Multi Audio Station Video Canvas
●Tracks
Tracks: 4 stereo
V-Tracks: 32 stereo (4 stereo tracks x 8 V-Tracks)
* One stereo pair of tracks can be recording simultaneously.
●Maximum Polyphony
4 stereo (total)
●Maximum Useful Capacity
16 G bytes: 2 G bytes (capacity) x 8 (partition)
●Audio Data Format
A-6 Original (R-DAC)
●Internal Memory
Pad Groups: 99
Pad Clips: 994 (10 pad x 99 group + 4 (favorite))
Projects: 64
Effect Patches: 99 (preset) + 99 (user) + 4 (panel)
●Channel Equalizer
3 band parametric (HI, MID, LOW)
(5 channel: Track A -- D, PAD)
●Signal Processing
AD Conversion: 20 bits, 64 times over sampling
DA Conversion: 20 bits, 128 times over sampling
Internal Processing: 24 bits (mixer section)
●Sample Rate
44.1 kHz
●Recording Time (at 2 G bytes, conversion in stereo track)
9 hours approx. (Including Demo Clips on the HDPA6 series hard disk)
* Times may be slightly depending on the times of recording procedure.
●Number of Track Clips
Approx. 2,000 clips per 1 project
●Synchronization
MIDI MTC/MMC (Master, Slave)
●Frequency Response
10 Hz -- 21 kHz (+0/-3 dB)
●Nominal Input Level (variable)
MIC: -50 -- -20 dBu
VCR: -10 -- +4 dBu
CD: -10 -- +4 dBu
Input L, R (Available with A6-OP1 is installed.)
(MIC): -50 -- -20 dBu
(LINE): -10 -- +4 dBu
●Input Impedance
MIC: 100 k ohms
VCR: 47 k ohms
CD: 47 k ohms
Input L, R (Available with A6-OP1 is installed.): 6 k ohms
●Nominal Output Level
Master Out: -10 dBu
Monitor Out: -10 dBu
Output L, R (Available with A6-OP1 is installed.): +4 dBu
●Output Impedance
Master Out: 2 k ohms
Monitor Out: 2 k ohms
Headphones: 10 ohms
Output L, R (Available with A6-OP1 is installed.): 600 ohms
●Recommended Load Impedance
Master Out: 10 k ohms or greater
Monitor Out: 10 k ohms or greater
Headphones: 4 -- 600 ohms
Output L, R (Available with A6-OP1 is installed.): 10 k ohms or greater
●S/N Ratio (Line AD/DA total, IHF-A, typ.)
Master Out: 92 dB
Monitor Out: 92 dB
●Display
LCD UNIT 69.0 x 25.0 mm (with backlight)
●Connectors
MIC In Jack (1/4 inch phone type)
VCR In Jacks L, R (RCA phone type)
CD In Jacks L, R (RCA phone type)
Master Out Jacks L, R (RCA phone type)
Monitor Jacks L, R (RCA phone type)
Headphones Jack (Stereo 1/4 inch phone type)
GPI In Jack (1/4 inch phone type)
MIDI Connectors (IN, OUT/THRU)
* Available with the Multi I/O Expansion "A6-OP1" is installed.
SCSI Connector (DB-25 type)
Digital In Connector (Coaxial type)
Digital Out Connector (Coaxial type)
Input L, R (XLR type, balanced, line/mic selective)
Output L, R (XLR type, balanced)
●Power Supply
AC 117 V, AC 230 V or AC 240 V
●Power Consumption
16 W (Including internal hard disk)
●Dimension
394 (W) x 343 (D) x 99 (H) mm
15-9/16 (H) x 13-9/16 (D) x 3-15/16 (H) inches
●Weight
4.1 kg (Excluding internal hard disk and A6-OP1)
9 lbs 1 oz
●Accessories
Owner's Manual Set (English) (#71125145)
AC Cord 120V (#00894378)
AC Cord 230V (#00894389)
AC Cord 240VA (#23495124)
AC Cord 240VE (#00907001)
Memo Sheet (#17048432)
Discovery Demo CD (English) (#17048434)
●Options
Internal Hard Disk Drive Unit: HDPA6 Series
Multi I/O Expansion: A6-OP1
Video MIDI Sync Interface: SI-80S
(0 dBu = 0.775 V rms)
* In the interest of product improvement, the specifications and/or appearance of this unit are subject
to change without prior notice.

2
TOP PANEL
(01562145)
J R-KNOB MF MCG/LCG
(01562123)
12M/M ROTARY POT.
EVJY95F01B14 10KB
(01452701)
RUBBER SW
(01562167)
TOP CASE
(01562089)
HD COVER
(01562178)
P R-KNOB SF-A MWG/LCG
(01347301)
9M/M ROTARY POT.
EVUF2K1B14 10KB
(01340234)
P R-KNOB SF-A MWG/LCG
(01347301)
9M/M ROTARY POT.
RK09L1140 10KB
(01457234)
DISPLAY COVER
(01562090)
LCD RCM6038T-A
(01348490)
D R-KNOB L MCG
(00677223)
ROTARY ENCODER
EC16B24104 L=15
(01124478)
U S-KNOB M1 BLU/LCG
(01569801)
60M/M SLIDE POT.
EWA Q1A C10 B54 50KB
(01342934)
U S-KNOB M1 MRD/LCG
(01349434)
60M/M SLIDE POT.
EWA Q1A C10 B54 50KB
(01342934)
WIRING AC ASSY
(01458878)
D-SUB 25PIN CONNECTER
DBLC-J25SAF-20L9F
(13429314)
PIN JACK
YKC21-3044
(00458801)
CANNON JACK
NC3MAH
(00679767)
SLIDE SWITCH
SSSS922N-4C2-1
(01565701)
CANNON JACK
NC3FAH2-0
(01239890)
A6-OP1
EXP COVER
(01564790) REAR PANEL
(01562134)
F S-BUTTON MX BLK
(22495565)
PUSH SWITCH
SDDLB1-A-D-2
(13129139)
MIDI SOCKET
YKF51-5054
(13429825)
6.5MM JACK
LGR4609-7000
(00569278)
PIN JACK
YKC21-3881
(01347789)
U S-KNOB M1 LCG/DCG
(01349423)
60M/M SLIDE POT.
EWA Q1A C10 B54 50KB
(01342934)
LOCATION OF CONTROLS (A-6 + A6-OP1)
Oct, 1998
A-6
(REAR VIEW)
(TOP VIEW)

3
EXPLODED VIEW (A-6)
Oct, 1998
[PARTS]
No. PART No. PART NAME
q01562089 TOP CASE
w01562145 TOP PANEL
e01562167 RUBBER SW
r71016045 SWITCH BOARD
t01562178 HD COVER
y71124723 BEAM BOARD
u01348490 LCD UNIT RCM6038T-A
i70909012 PANEL BOARD
o01348501 SUB CHASSIS
!0 71127056 MAIN BOARD
!1 01127590 SWITCHING REGULATOR A1KW1AA240
!2 01458678 SHIELD PANEL
!3 01670223 (JAPAN ONLY)
!4 01457178 HD HOLDER
!571016034 MIDI BOARD
!6 01562101 EXP COVER
!7 01562134 REAR PANEL
!8 01348590 BOTTOM COVER
!9 22355160 FOOT D25
@0 13129139 AC PUSH SWITCH SDDLB1-A-D-2 TV-5 5A/250V
@1 22495565 BUTTON F S-BUTTON MX BLK
@2 01458878 WIRING AC ASSY
@3 00902790 BUSHING EDS-1208U for AC CORD
@4 17048436 STATUS SEAL 04484-202
@5 01349423 KNOB U S-KNOB M1 LCG/DCG (TRACK)
01569801 KNOB U S-KNOB M1 BLU/LCG (PAD)
01349434 KNOB U S-KNOB M1 MRD/LCG (MASTER)
@6 01562090 DISPLAY COVER
@7 00677223 KNOB D R-KNOB L MCG (VALUE)
@8 01347301 KNOB P R-KNOB SF-A MWG/LCG
@9 01562123 KNOB J R-KNOB MF MCG/LCG (EFFECTS)
#0 00897812 ANGLE HD-R
#1 00897823 ANGLE HD-L
#2 71124767 CONNECTOR BOARD
#3 01562078 WIRING HDD-A
#4 01673867 HD SHEET
#5 ******** EDGING CE-012 L=20
[SCREW]
A40011101 M3x8 Binding Taptight B BZC
B40015956 M3x12 Binding Taptight S BZC
C40012534 M3x6 Binding Taptight S BZC
D******** M4x8 LO2 BZC
E******** M9 SPACER INNER GEAR TYPE
F******** M9 NUT THIN TYPE
G40011156 M3x8 Flat Taptight B BZC
H40012945 M3x6 Pan Machine Screw W/SW+PW BZC
A-6

1 2 3 4 5 6 7 8 9 10111213141516171819202122232425262728
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
4
(I/O BOARD)
A6-OP1
RLR
BOARD
TC9246F
IC19
CLOCK GEN.
D-RAM
IC8
TMS418169A
UNITDrive
FADER
HD6432653
IC7
BA11F
CPU
FLASH-RAM
IC9
LH28F800SUT
I/F GATE ARRAY
IC13
SLA919FF0J
SCSI CONT.
IC4
SYM53CF92
D.OUT I/F
IC1
TC9271F
D.IN I/F
IC2
LC8905V
ZIP DIGITAL OUT DIGITAL IN L
DSP
IC11
TC170C140AF D-RAM
IC12
LH62800K
A/D/A
AK4520
AK4520
IC24
A/D/A
IC23
INPUT
VR
INPUT
VR
INPUT
VR
MUTE
IC35
4053
SEL.
IC33
IC35
4053
SWITCH , LED LCD
SWITCH,LED
SWITCH BOARD
PANEL BOARD
MIDI
GPI IN
L
MIC
R
R
L
L
R
R
L
VCR
INPUT
MASTER
OUTPUT
CD
INPUT
MONITOR
OUTPUT
PHONES
MAIN BOARD
INPUTOUTPUT
IDE
BLOCK DIAGRAM
Oct, 1998
A-6

PARTS LIST 15289105 UPC4570G2-T2 BIPOLAR OP AMP IC25-IC32.IC34.IC36 on MB
15199286 AN78L05M-(E1) REGULATOR IC IC22 on MB
00564690 TC9246F(ELP) PLL IC19 on MB
15289123 M51953AFP-600C RESET IC IC6 on MB
15169550T0 TC74HC138AP CMOS IC1.IC5 on PB
15169556T0 TC74HC574AP CMOS IC3 on PB
TRANSISTOR
15309101 2SA1037KR T146 Q4 on MB
15329507 DTA114EKT146 Q12.Q100 on MB
15329516 DTC114EKT146 Q1.Q2.Q3.Q8.Q11 on MB
15329505 DTC314TKT146 Q5.Q6.Q7.Q9.Q10 on MB
00019112 TD62381P TRANSISTOR ARRAY IC4 on PB
15149150 TD62787AP TRANSISTOR ARRAY IC2 on PB
DIODE
15339105 DAN202K T146 DIODE ARRAY D1.D3.D10-D14.D100.D101.D102 on MB
15339103 MA153-(TX) DIODE ARRAY D2.D4.D5.D6.D7.D8.D9 on MB
15019126 1SS133 T-77 SWITCHING DIODE D120 to D123.D130 to D137.D140 to D147.
D150 to D157.D160 to D167.D170 to D177 on PB
15339105 DAN202K T146 DIODE ARRAY D28.D29 on SB
15339109 DAP202K T146 DIODE ARRAY D20 to D27 on SB
01450401 TLSU1002(LM.TPX1) LED D1 to D19 on SB
RESISTOR
00126101 EXBV8V221JV RESISTOR ARRAY RA2.RA3.RA4.RA13 to RA19.RA20 to RA24 on MB
00120823 MNR35 J5 J 103 RESISTOR ARRAY RA10.RA11.RA12 on MB
POTENTIOMETER
01340234 EVU F2K1B14 L=12.5 9M/M ROTARY POT. VR12 on PB
01457234 EVU RK09L1140 10KB L=17.5 9M/M ROTARY POT. VR1.VR2.VR3 on PB
01452701 EVJ Y95F01B14 12M/M ROTARY POT. VR10.VR11.VR13 on PB
01342934 EWA Q1A C10 B54 60M/M SLIDE POT. VR4 to VR9 on PB
CAPACITOR
01458234 ECEA1EPZ222 CHEMICAL C102.C104 on MB
01564778 RV2-16V100MZ7-R CHEMICAL C40 to C43.C45 to C50.C52.C53.C54.C56.C57.
C62 to C65.C68.C69.C138.C140 to C145.C152. C220 on MB
15369151S0 16CV100BS CHEMICAL C219 on MB
15369213S0 50CV3R3BS CHEMICAL C15.C16.C39.C218 on MB
01347778 6.3CV220BS CHEMICAL C3.C23.C106.C129.C130 to C137 on MB
13639698 ECEA0JKS101B CHEMICAL C1.C4.C5 on PB
INDUCTOR,COIL,FILTER
12449401 BLM41A151SPT FERRITE BEAD L1.L2 on MB
01458667 BLM41P750S FERRITE BEAD L3 on MB
CRYSTAL
00894023 MA-406 20.000MHZ TE24 X'TAL X1 on MB
ROTARY ENCODER
01124478 EC16B24104 L=15 ROTARY ENCODER ENC.1 on PB
OPTICAL DEVICE
15289125 PC-410T 178 PHOTO COUPLER IC1 on MB
00560756 SEL5221S TP15 LED(RED) D1.D3.D37.D45.D66.D67.D70.D72.D73.D74.D76.D77. D650 on PB
00676423 SEL5421E TP15 LED(GREEN) D2.D61.D62 on PB
01239856 SEL5921A TP15 LED(ORANGE) D24.D34.D35.D36.D40 to D44.D46.D47.D50 to D52.
D55.D56.D57.D60.D63.D64.D65.D71.D75 on PB
01239867 SML72423C TP15 LED(RED/GREEN) D230 to 233 on PB
CONNECTOR
13369793 52030-1610 FFC/FPC CN8 on MB
13369515 B5B-PH-K-S JST CONNECTOR CN14 on MB
13369582 B13B-PH-K-S JST CONNECTOR CN13 on MB
13369541 B10B-PH-K-S JST CONNECTOR CN3 on MB
13369565 B11B-PH-K-S JST CONNECTOR CN2 on MB
13369563 B14B-PH-K-S JST CONNECTOR CN10 on MB
13369562 B15B-PH-K-S JST CONNECTOR CN9 on MB
13369595 B3B-XH-A JST CONNECTOR CN11 on MB
13369567 B4B-PH-K-S JST CONNECTOR CN1 on MB
13369566 B6B-PH-K-S JST CONNECTOR CN15 on MB
13369503 B7B-PH-K-S JST CONNECTOR CN5 on MB
13429192 PS-40PE-D4T1-B1-K CONNECTOR CN12 on MB CN2 on CB
13369851 PS-50PE-D4T1-B1-K CONNECTOR CN6 on MB
01450412 S11B-ZR-SM3A-TF CONNECTOR CN2 on SB
01450423 S12B-ZR-SM3A-TF CONNECTOR CN1 on SB
00894567 FX2C2-52P-1.27DSAL CONNECTOR CN8 on MB
WIRING,CABLE
01450634 WIRING PANEL BOARD-A Between MB(CN13) to PB(CN6)
01450645 WIRING PANEL BOARD-B Between MB(CN15) to PB(CN7)
01450656 WIRING PANEL BOARD-C Between MB(CN9) to PB(CN1)
01450667 WIRING PANEL BOARD-D Between MB(CN10) to PB(CN2)
01450678 WIRING PANEL BOARD-E Between MB(CN11) to PB(CN5)
01450689 WIRING PANEL BOARD-F Between SB(CN2) to PB(CN4)
01450690 WIRING PANEL BOARD-G Between SB(CN1) to PB(CN3)
01450556 WIRING MIDI BOARD Between MB(CN1) to MIDI Board(CN8)
# 01458878 WIRING AC ASSY
01450601 WIRING POWER UNIT CN4 on MB
# 01562078 WIRING HDD-A Between MB(CN12) to CB(CN2)
# 01562067 WIRING HDD-B Between MB(CN11) to CB(CN1)
SCREW
40012534 3x6 Binding Taptight S BZC
40011156 3x8 Flat Taptight B BZC
40011101 3x8 Binding Taptight B BZC
40012945 3x6 Pan Machine Screw W/SW+PW BZC
40015956 3x12 Binding Taptight S BZC
********* LO2 BZC
PACKING
# 01562056 PACKING CASE
01561523 PACKING PAD for PACKING
01562434 ACCESSORIES PAD for PACKING
MISCELLANEOUS
22355160 FOOT D25
00902790 BUSHING EDS-1208U for AC CORD
40126812 CAUTION LABEL BARRIER
40238545 CAUTION LABEL SHOCK HAZARD & ICES
ACCESSORIES(Standard)
# 71124645 OWNER'S MANUAL SET JAPANESE
# 71125145 OWNER'S MANUAL SET ENGLISH
00894367 AC CORD SET 100V SP18A+IS14 VCTF2X0.75
00894378 AC CORD SET 120V SP301+IS14 SJT18/3
00894389 AC CORD SET 230V SP22+IS14 H05VV-F3G1.0
00907001 AC CORD SET 240VE KP-610/GTBS-3/KS-31A
23495124 AC CORD SET 240VA SC-114-J01 ES303-10HMA
# 17048432 MEMO SHEET
# 17048433 DISCOVERY DEMO CD JAPANESE
# 17048434 DISCOVERY DEMO CD ENGLISH
# 17048435 (ECV-VMA6) (JAPAN ONLY)
# 01670223 (JAPAN ONLY)
40232334 (JAPAN ONLY)
OPTIONS
******** A6-OP1 DIGITAL I/O BOARD
******** HDPA6-21 2.1GB HDD UNIT
NOTE: Options HDPA6-21 includes the following parts.
# SK000033 SOUND LIBRARY CD SET(with SOUND LIBRARY LIST)
# SK000035 OWNER'S MANUAL (JAPANESE/ENGLISH)
# SK000039 SOUND LIBRARY LIST
5
NOTE:The parts marked # are new (initial parts)
MB->Main Board PB->Panel Board SB->Switch Board SW->Switching Regulator
CASING
# 01562089 TOP CASE
NOTE: The TOP CASE does not include the following seal.
Please order them separately, if necessary.
17048436 STAUS SEAL 04484-202
01348590 BOTTOM COVER
NOTE: The BOTTOM COVER does not include the following label.
Please order them separately, if necessary.
40238545 CAUTION LABEL SHOCK HAZARD & ICES
# 01562145 TOP PANEL
# 01562090 DISPLAY COVER
# 01562134 REAR PANEL
# 01562178 HD COVER
01458678 SHIELD PANEL
# 01562101 EXP COVER
01348501 SUB CHASSIS
NOTE: The SUB CHASSIS does not include the following label.
Please order them separately, if necessary.
40126812 CAUTION LABEL BARRIER
01457178 HD HOLDER
00897812 ANGLE HD-R
00897823 ANGLE HD-L
# 01673867 HD SHEET
KNOB,BUTTON
22495565 F S-BUTTON MX BLK POWER
01349423 U S-KNOB M1 LCG/DCG TRACK
# 01569801 U S-KNOB M1 BLU/LCG PAD
01347301 P R-KNOB SF-A MWG/LCG
00677223 D R-KNOB L MCG VALUE
# 01562123 J R-KNOB MF MCG/LCG EFFECTS
01349434 U S-KNOB M1 MRD/LCG MASTER
SWITCH
# 01562167 RUBBER SW
00894656 SKQNAD TACT SWITCH
13129139 SDDLB1-A-D-2 TV-5 5A/250V AC PUSH SWITCH
JACK,SOCKET
01347789 YKC21-3881 RCA(PIN) JACK JK2.JK4 on MB
00569278 LGR4609-7000 6.5MM JACK JK1.JK3.JK5 on MB
13429825 YKF51-5054(DUAL) MIDI JACK JK1 on MIDI Board
DISPLAY UNIT
01348490 LCD RCM6038T-A
NOTE: Replacement DISPLAY UNIT should be made on a unit basis.
No replacements available for individual parts. Replacement only by a unit.
PCB ASSY
# ‰71127056 MAIN BOARD
70909012 PANEL BOARD
NOTE: Replacement PANEL BOARD includes the following parts.
00340690 FOOT ZULEN XCK040
71016034 MIDI BOARD
# 71016045 SWITCH BOARD
# 71124767 CONNECTOR BOARD
# 71124723 BEAM BOARD
POWER SUPPLY UNIT
01127590 A1KW1AA240 SWITCHING REGULATOR
NOTE: Replacement POWER SUPPLY (SWITCHING REGULATOR) should be made on a unit basis.
No replacements available for individual parts. Replacement only by a unit.
IC
01340201 HD6432653BA11F CPU IC7 on MB
00892556 TC170C140AF-003 (ESP2) CUSTOM DSP IC11 on MB
01231334 SLA919FF0J CUSTOM GATE ARRAY IC13 on MB
01347756 LH62800K-50 DRAM IC12 on MB
01347745 TMS418169A-60 DRAM IC8 on MB
00899812 LH28F800SUT-70 FLASH MEMORY IC9 on MB
01238101 AK4520AVF-E2 AD/DA IC23.IC24 on MB
15259865T0 TC74HC4053AF(EL) CMOS IC3.IC4.IC33.IC35 on MB
00893967 TC74VHC153F(EL) CMOS IC21 on MB
15249112 TC7W32F(TE12L) CMOS IC38 on MB
15259738T0 TC74HC138AF(EL) CMOS IC10 on MB
00564545 TC74VHC04F(EL) CMOS IC2 on MB
00236845 TC74VHC245F(EL) CMOS IC14.IC15 on MB
00893978 TC74VHC393F(EL) CMOS IC20 on MB
00231878 TC74VHC00F(EL) CMOS IC37 on MB
00231890 TC74VHC08F(EL) CMOS IC17 on MB
01340212 TC74VHC86F(EL) CMOS IC18 on MB
!
!
SAFETY PRECAUTIONS:
The parts marked have
safety-related characteristics.
Use only listed parts for
replacement.
!
CONSIDERATIONS ON PARTS ORDERING
When ordering any parts listed in the parts list, please specify the following items in the order sheet.
QTY PART NUMBER DESCRIPTION MODEL NUMBER
Ex. 10 22575241 Sharp Key C-20/50
15 2247017300 Knob (orange) DAC-15D
Failure to completely fill the above items with correct number and description will result in delayed or
even undelivered replacement.
!
!
Warring! : There is the possibility that you will burn your hands when you touch Power Supply parts soon after the power supply is turned off.
A-6
Oct, 1998
!
!
!
!
!

6
●Equipment:
.MIDI cable
.Foot Switch ( DP-2, or other suitable one )
.Hard disk drive unit ( equivalent to HDPA6-21 )
.Oscillator ( Wave form generator )
.Oscilloscope
.Headphones
* Other required equipment for testing the Multi I/O
Expansion A6-OP1:
.CD player with digital output connector ( coaxial type )
.DAT recorder or other similar recorder with digital input
connector ( coaxial type )
.Digital audio cable ( coaxial type )
.Zip drive ( SCSI type )
.SCSI cable ( DB-25 type )
.Audio cables ( XLR type, Male - Female )
●Verifying version
While in the test mode, the top of the screen displays the
CPU software version and the system software version in the
format shown below:
1.00 1.000
Left: CPU version; right: system version
●Entering the TEST MODE
1. While holding STATUS (track D) and EFFECT (track D)
buttons under AUDIO RECORDER/MIXER, turn on
POWER switch. See Note: in step 4 below.
2. When "CHECK A6-OP1 .." appears at the center of the
screen, release the buttons.
3. Test options will be displayed. Among the test options
shown below, options 1. LCD to 4. Switch are displayed on
the initial screen.
4. If the option board, A6-OP1 is installed, "OP-1" appears on
the upper right-side of the screen.
Note: When the Zip drive is to be used during test, connect it
before turning on the A-6. Set Termination to "ON" and
SCSI ID to "6".
5. As mentioned before, the top of the LCD screen display
shows the CPU software version (at the left) and the
system software version (at the right).
(LCD SCREEN) (TEST ITEMS)
>1. LCD LCD contrast check ( 1 )
2. LCD contrast LCD contrast check ( 2 )
3. LED LED check
4. Switch Switch check
5. Encoder Encoder dial check
6. fader Fader volume check
7. Pot Rotary volume check
8. Beam Beam check (*1)
9. Foot SW Foot switch check
10.MIDI MIDI check
11.IDE IDE drive check
12.SCSI SCSI check (*2)
13.Analog I/O Analog input and output check
14.Digital I/O Digital input and output check (*2)
15.Initialize Initialize the settings of the system data.
*1 This item is not used for A-6.
*2 This item is used at the installation of the optional Multi
I/O Expansion (A6-OP1).
Selecting these test items, press [▼] or [▲] to move the
cursor ">" appears on the left side of the LCD to desired
item. Press [ENTER/YES].
When the testing is completed the menu screen is
appeared again. After the test, the screen exits to the menu
screen.
●Test Options
1. LCD
In the LCD CHECK screen, "Push [>] KEY" appears in the
middle of the LCD.
All LCD dots are turned on when [>(PLAY)] (LED blinks
green) is pressed here.
Press [>(PLAY)] again, all LCD dots are turned off.
Repeats turning the LCD on and off alternately each time
when [>(PLAY)] is pressed.
To finish the test, press [●(REC)] (LED blinks red), the
menu screen appears.
2. LCD contrast
In the LCD CONT CHECK screen, "CONTRAST = 5"
appears at the bottom of the LCD.
To change the contrast, rotate the [TIME/VALUE] dial.
When the value of the contrast "CONTRAST = **" changed
0 to 15, "LCD OK!!" appears on the display.
To finish the test, press [●(REC)] (LED blinks red), the
menu screen appears.
3. LED
In the LED CHECK screen, "Push [<<] [>>] KEY" appears
on the LCD, then all LED's are lit.
When press [>>] at this point, only "DISK INDICATOR"
LED is lit. After this, the LED is lit in order of the top left
side each time the button is pressed.
("STATUS" has two color LED's so first the red LED is lit
then the green one is lit.) When the last LED is lit and
complete the checking of LED, all LED's are lit.
"LED OK!!" appears on the display.
To finish the test, press [●(REC)] (LED blinks red), the
menu screen appears.
4. Switch
In the screen, "0 67" appears on the right side of the LCD,
and "*****" appears under that.
When press any button here, that pressed button's name or
mark is displayed in the "*****" section while the button is
pressed.
The approximately button location is indicated on the LCD
each time the button is pressed. "* SW OK!!" appears
when all the buttons have been pressed.
To finish the test, press [●(REC)] (LED blinks red), the
menu screen appears.
5. Encoder
In the ENCODER CHECK screen, the graphics move to left
or right which response to the [TIME/VALUE] dial's
movement are displayed.
"Value: 50" appears under the graphics.
When rotate the [TIME/VALUE] dial at this point, the value
in the "Value: 50" is changed within 0-100.
When the value is changed within 0 - 100, "OK!!" appears
on the up right of the LCD.
To finish the test, press [●(REC)] (LED blinks red), the
menu screen appears.
TEST MODE
Oct, 1998
A-6

7
6. Fader
In the FADER CHECK screen, the six fader (slide volume)
conditions are displayed on the left side of the LCD.
The display responses to the each fader's (slide volume's)
movement.
If the faders worked correctly from bottom to top, "OK"
appears at the bottom and top of the each fader displayed
in the LCD.
When "OK" is displayed on all of the faders, "OK!!" appears
in the middle of the screen.
To finish the test, press [●(REC)] (LED blinks red), the
menu screen appears.
7. Pot
In the POT CHECK screen, the conditions of three rotary
volumes in the DIGITAL AUDIO EFFECTS section are
displayed.
The display responses to the each volume's movement.
If the each volume works correctly from MIN to MAX, "OK"
appears on the left and right side of the displayed volumes.
When "OK" is displayed on all of the volumes, "**OK!!**"
appears on the top of the LCD.
To finish the test, press [●(REC)] (LED blinks red), the
menu screen appears.
8. Beam
This item is not used for A-6.
9. Foot SW
Connect the foot switch (DP-2) to [GPI IN] connector on the
A-6 rear panel before start testing.
In the FOOT SW CHECK screen, "[OFF ] 0" appears on
the LCD. Step on the foot switch at this point, the display is
changed to "[ON ] 127" and "**OK!!**" appeared.
To finish the test, press [●(REC)] (LED blinks red), the
menu screen appears.
10. MIDI
Connect [MIDI IN] and [MIDI OUT] connector on the A-6
rear panel with MIDI cable before start testing.
In the MIDI CHECK screen, "MIDI THRU", "IN - > OUT"
are appeared on the LCD. Press [UNDO] at this point.
"OUT- > IN" appears and if there is no error, "**OK!!**"
message is appeared. If there is any malfunction on the
MIDI circuit, "**NG!!**" message would be appeared.
To finish the test, press [●(REC)] (LED blinks red), the
menu screen appears.
11. IDE
Install the hard disk drive unit ( equivalent to HDPA6-21 )
to the A-6 before start testing. ( Turn off the power when
installing the hard disk drive unit.)
In the IDE CHECK screen, IDE Interface test starts
automatically.
If there is no error, "IDE CHECK OK!!" appears about
several seconds later.
To finish the test, press [●(REC)] (LED blinks red), the
menu screen appears.
12. SCSI
Before start testing, connect both [SCSI] connector of the
zip drive and A6-OP1 with SCSI cable, insert a zip disk to
the zip drive, turn the terminator switch on, set the SCSI
ID of the zip drive to 6, and turn on the power of the zip
drive.
In the SCSI CHECK screen, SCSI test starts automatically.
If there is no error, "SCSI CHECK OK!!" appears.
Followings are example messages when there is any
malfunctions on SCSI.
"NG! A6-OP1(SPC)" message displayed.
➞Check the IC4(NCR53CF92) on the A6-OP1.
"NG! NO DRIVE" message displayed.
➞Check the SCSI ID of the zip drive, and check
SCSI cable, etc.
To finish the test, press [●(REC)] (LED blinks red), the
menu screen appears.
13. Analog I/O
In the ANALOG CHECK screen, "Fs=32.0kHz" and other
messages are appeared on the LCD.
The check procedures are described as below.
a. [CD] INPUT - > [MASTER] OUTPUT TEST
Turn the [CD] volume on the INPUT MIXER section to
the MAX.
Connect the oscillator ( wave form generator ) to [CD]
INPUT, Input the sine wave with 1kHz and 620mVp-p.
(The setting of the oscillator is in common with the all
checks.)
Connect the oscilloscope to the [MASTER] OUTPUT.
If the connection is correct, the sine wave about 8Vp-p
is output.
b. MUTE CIRCUIT TEST
Under the condition (a.) above, press [4/(8)] on the
LOCATOR section.
The MUTE circuit is normal condition when "Mute:
OFF" on the up right of the LCD is changed to "Mute
ON" and the wave form output is stopped(muted) at the
same time.
c. [VCR] INPUT - > [MONITOR] OUTPUT TEST
Turn the [VCR] volume on the INPUT MIXER section to
MAX.
Reconnect the oscillator ( wave form generator ) to
[VCR] INPUT and the oscilloscope to [MONITOR]
OUTPUT.
At this point, check the input wave form as same as the
procedure (a.).
The sine wave has about 8Vp-p is output under normal
condition.
d. SWITCHING SAMPLING FREQUENCY TEST
Under the condition (c.), press [3/(7)] on the LOCATOR
section to switch "Fs=32.0kHz" to "Fs= 44.1kHz" on the
up left of the LCD.
If there is no changes of the wave form, the check is
successful.
e. HEADPHONES TEST
The display "MASTER" under the "PHONE" is changed
from "MAS" -> "MON"-> ""M+M"-> "OFF" each time
[2(6)] on LOCATOR section is pressed.
The headphones output also switched simultaneously.
First connect the headphones and input the oscillator's
( wave form
generator's ) signal to [CD] INPUT.
When switch the output and there is no error, the sound
can be heard from the headphones at only "MAS" and
"M+M".
When connect the oscillator (wave form generator) to
[VCR] INPUT and there is no error, the sound can be
heard from the headphones at only "MON" and "M+M".
A-6
Oct, 1998

8
f. OPTIONAL BOARD (A6-OP1) ANALOG INPUT/OUTPUT TEST
Connect [INPUT](LR) and [OUTPUT](LR) of the A6-
OP1 with a pair of XLR-Type audio cable.
( [OUTPUT]L -> [INPUT]L, [OUTPUT]R -> [INPUT]R )
Turn the [CD] and [VCR] volume on the INPUT MIXER
section to the direction of 10 o'clock.
Connect the oscillator ( wave form generator ) to [CD]
INPUT, Input the sine wave with 1kHz and 640mVp-p.
Connect the oscilloscope to the [MASTER] OUTPUT.
If the connection is correct, the sine wave about 8Vp-p
is output.
To finish the test, press [●(REC)] (LED blinks red), the
menu screen appears.
14. Digital I/O
In the DIGITAL CHECK screen, "IN:--------" appears on
the left side of the LCD. Press [1/(5)] on the LOCATOR
section to change "IN;COAX."
* "IN:OPT" is not used for A-6.
a. DIGITAL INPUT TEST
Connect the CD player's digital output connector
(coaxial-type) and A6-OP1's [DIGITAL IN] connector
with digital audio cable (coaxial-type).
Connect the headphones to A-6's [PHONES]
connector.
When the power of the CD player is OFF, "Unlock"
appears on the right side of the LCD.
"Unlock" is changed to "Locked" when the power of the
CD player is turned on.
When playing back the CD, the sound can be heard
from the headphones if the connections are successful.
b. DIGITAL OUTPUT TEST
Connect the A6-OP1 [DIGITAL OUT] connector and
output and DAT
recorder's digital input (coaxial-type).
DAT recorder is now in the monitor status for the digital
input.
Connect the headphones to DAT recorder.
At the test (a.), if the CD playback sound can be heard
from DAT recorder, the test is successful.
To finish the test, press [●(REC)] (LED blinks red), the
menu screen appears.
15. Initialize
Perform the following procedure when the letters of the
system parameter become impossible to read by the
destruction of the system parameter in the flash memory,
or you wish to return to the factory settings.
After entering the INITIALIZE screen, press [UNDO].
The system parameter and user effects patch starts being
initialized.
The initialized system parameters are as follows;
system common parameters, system MIDI parameters.
Press [●(REC)] (LED blinks red), the menu screen
appears.
●About the destruction of the flash memory
If the flash memory (IC9 on the Main board) is damaged or
destroyed from the malfunctions of the software / hardware,
following messages are appeared on the LCD.
If these messages are appeared when turning on the power,
re-install the system software is required.
If there is a still problem, exchange the flash memory in case
of the flash memory's default. And re-install the system
software.
If the flash memory is replaced with new one, re-installation of
the system software and "Initialize" operation above are
required.
The latest system software of the A-6 is stored to the floppy disk
named "A-6 System Ver. 1.xx SMF" as the standard MIDI file
format (SMF format).
Check the following SMF's included to the floppy disk.
Update A-6 system software by following the procedure
described below.
1. Connect a MIDI cable between two connectors; MIDI OUT
connector of the MIDI Sequencer that can play back SMF
data, and MIDI IN connector of A-6.
It is convenient to use the MIDI Sequencer such as a SB-55
sound brush that can play back some SMF's continuously.
2. While holding down Track A's [EFFECTS (BAL/EQ/FX)], turn
on the A-6's power. MIDI update screen is displayed.
3. Check the message "waiting MIDI... " is appeared on the
display. Playback the SMF data in order the number 1 to 8.
While the data is being received "Receiving.. (x/8)" is
displayed and the pad indicator (PAD) blinks. ("x" is the SMF
data number being received.)
4. When all of SMF data is received "Update System? (Y/N)" is
appeared on the display. Press [ENTER/YES].
Note: Never turn the power off while the message "*KEEP
POWER ON *" is being displayed.
5. When "Update Complete" and "You may TURN OFF" are
appeared on the display, turn the power off and turn it on
again.
Now complete the update A-6 system software.
A-6 SYSTEM SOFTWARE UPDATE USING THE SMF
(Ver. Up Disk(SMF) P/No.17048933)
A-6
Oct, 1998
<< EMARGENCY >>
SYSTEM is BROKEN! Please consult qualified Roland Service.
A-6 System Ver. 1.xx SMF disk
A6#1 .MID
A6#2 .MID
A6#3 .MID
A6#4 .MID
A6#5 .MID
A6#6 .MID
A6#7 .MID
A6#8 .MID

1 2 3 4 5 6 7 8 9 10111213141516171819202122232425262728
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U9
CIRCUIT BOARD
MAIN BOARD ASSY (71127056)
View from component side.
Oct, 1998
A-6

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
10
MAIN BOARD ASSY (71127056)
View from foil side.
A-6
Oct, 1998

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U11
PANEL BOARD ASSY (70909012) / MIDI BOARD ASSY (71016034)
/CONNECTOR BOARD ASSY (71124767) MIDI BOARD ASSY (71016034)
PANEL BOARD ASSY (70909012)
Oct, 1998
A-6
CONNECTOR BOARD ASSY
(71124767)
View from component side.
View from foil side.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
12
SW BOARD ASSY (71016045) / BEAM BOARD ASSY (71124723)
View from component side. View from foil side.
BEAM BOARD ASSY
(71124723)
SW BOARD ASSY
(71016045)
A-6
Oct, 1998

Oct, 1998
A-6
13
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
29 30 31 32 33 34 35 36 37 38 39 40 41 42
V
W
X
Y
Z
MONITOR CD VCR
GPI
TC170C140AF-003
IC11
OSC 29
SYO 132
SYI 133
TRCKO 107
TRCKIN 56
TRS5 101
TRS4 102
TRS3 103
TRS2 104
TRS1 105
TRS0 106
TRR5 62
TRR4 61
TRR3 60
TRR2 59
TRR1 58
TRR0 57
VPOUT 53
MCK1 130
MCK0 131
BCK1 128
BCK0 129
LRCK1 124
LRCK0 125
DA7 111
DA6 112
DA5 113
DA4 114
DA3 115
DA2 116
DA1 117
DA0 118
AD3 120
AD2 121
AD1 122
AD0 123
TYPE 65
DIRECT 64
INT1 66
INT0 67
RST2 51
RST1 52
CS 68
WR 69
RD 70
CA0 88
CA1 87
CA2 86
CA3 85
CA4 84
CA5 83
CA6 82
CA7 81
CA8 79
CA9 78
CA10 77
CA11 76
CA12 75
CA13 74
CD0 99
CD1 98
CD2 97
CD3 96
CD4 95
CD5 94
CD6 93
CD7 92
WE
13 CAS
14 RAS
15 PSEA16
136 PSEA15
137 PSEA14
138 PSEA13
139 PSEA12
140 PSEA11
141 PSEA10
142 EA9
27 EA8
26 EA7
25 EA6
24 EA5
23 EA4
22 EA3
21 EA2
20 EA1
17 EA0
16 ED23
49 ED22
48 ED21
47 ED20
46 ED19
45 ED18
44 ED17
43 ED16
42 ED15
39 ED14
38 ED13
37 ED12
36 ED11
35 ED10
34 ED9
33 ED8
32 ED7
10 ED6
9ED5
8ED4
7ED3
6ED2
5ED1
4ED0
3
VSS_20
143 VSS_19
135 VSS_18
127 VSS_17
119 VSS_16
110 VSS_15
100 VSS_14
91 VSS_13
89 VSS_12
80 VSS_11
73 VSS_10
71 VSS_9
63 VSS_8
55 VSS_7
50 VSS_6
40 VSS_5
31 VSS_4
28 VSS_3
19 VSS_2
11 VSS_1
2
VDD_13
144 VDD_12
134 VDD_11
126 VDD_10
109 VDD_9
108 VDD_8
90 VDD_7
72 VDD_6
54 VDD_5
41 VDD_4
30 VDD_3
18 VDD_2
12 VDD_1
1
D1
DAN202
3
1
LRCK BCK MCK SYI
SYI,MCK,BCK,LRCK
SYI
MCK
BCK
LRCK
LRCK
BCK MCK
VCC
C318 100P
C317 100P
C316 100P
C315 100P 100P
C314
100P
C313 C312 100P
C311 100P
C300 100P
C301 100P R35 10K VCC
10KR36
C206 33P
C44
10P
TO PANEL BOARD CN2TO PANEL BOARD CN1
CN9
B15B-PH-K-S
13 11 9 8 7 6 5 4 3 2 1 10 12 14 15
TO LCD UNIT
0161-03025
CN8
16 14 12 10
1 2 3 4 5 6 7 8 9
11 13 15
EDA3
LRCK1
EBCK LRCK1 EMCK EDA0 EDA1
EDA[0:3],EBCK,EMCK,LRCK1
EDA2
EDA0
EDA1
EBCK
EMCK
EDA2
LRCK1
EBCK EDA3 EMCK
R302
10K
R301
220K
330K
R300
C39
3.3/50
+
C14
.47
.47
C13
270
R14
270
R13
R12
3.3K
R11
3.3K
R101
220
Q4
2SA1037K
3
21
CN10
S-K-PH-B14B
13 11
9 8 7 6 5 4 3 2 1
10 12 14
UPC4570
IC36
-
+
5
67
47P
C201
33P
C207
33P
C210
C211 33P
C212 33P
33P
C213
C205 .0022
C204 .0022
C203 .0022
C202 .0022
R133
33K
33K
R130
R127
33K
33K
R125
IC26
UPC4570
-
+3
2
1
C208 33P
33P
C209
68K
R116
68K
R118
IC38
TC7W32F
1
27
IC38
TC7W32F
3
6
5
IC37
VHC00
12 13 11
IC37
VHC00
8
10
9
IC37
VHC00
4 56
IC37
VHC00
3
2 1
C23
220/6.3
+
R200
100
10/16
C52
+
27K
R68
UPC4570
IC28
-
+3
2
1
R44
100
R46
22
-15V
C145
10/16
+
C216 33P
33P
C217
33P
C60
C53
10/16
+
C50
10/16
+
470
R137
470
R136
470
R135
470
R134
C57
10/16
+
C56
10/16
+
10/16
C54
+
+15V
C219
100/16
+
R43
330
-15V
D102
DAN202 13
D3
DAN202 31
220/6.3
C106
+
VCC
RA2
1 2 3 45
6 7 8
UPC4570
IC25
-
+5
6
7
UPC4570
IC25
-
+
12
3
100K
R100
100 R51 R20 100
D101
DAN202
13
.001
C18
.001
C17
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
A18
A[0:23]
A0
A19
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A1
A2
A3
A4
A5
A6
A7
A8
A10
A9
A23
A22
A21
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
A20 A21 A22
A23
A20
A1 A0 A2 A3
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A7
A6
A5
A4
A3
A2
A1
A0
A19
PS-50PE-D4T1-B1
CN6
40 39 38 37 36 35 32 25 24 23 22 21 19 17 13
9 8 7 6 5 4 3 2
10 12 14 15 16 18 20 26 28 29 30 31 33 34 41 42 43 44 45 46 47 48 49 27
1
11 50
SCSIDRQ
Q12
DTA114EK
2
3
1
VHC04
IC2 56
VCC
VHC86
IC18
11 13
12
VHC86
IC18
8
10
9
IC18
VHC86
6
4
5
VHC86
IC18
3
1
2
C25.01
C26
.22
R23
10K
VHC393
IC20
Q3B
Q2B
CKA
RDA
Q1A
Q2A
Q3A
Q4A
GND
Q1B
Q4B
RDB
CKB
VCC
9
10
1
2
3
4
5
6
7
11
8
12
13
14
IC21
VHC153
16
VCC
7
1Y
9
2Y
8
GND
A
14 B
21G
12G
15
1C0
61C1
51C2
41C3
32C0
10 2C1
11 2C2
12 2C3
13
CN4
7
6
5
4
3
2
1
CN2
B11B-PH-K-S
1
10
11
2
3
4
5
6
7
8
9
B3B-XH-A
CN11
3
2
1
GND
GND
20MX1
EAD0
EAD1
EAD2
EAD3
EAD[0:3]
EAD1 EAD2 EAD3
EAD0
UPC4570
IC31
-
+
3
21
UPC4570
IC31
-
+7
6
5
UPC4570
IC30
-
+1
2
3
UPC4570
IC30
-
+
5
67
UPC4570
IC36
-
+1
2
3
UPC4570
IC34
-
+7
6
5
UPC4570
IC34
-
+
3
21
UPC4570
IC28
-
+
76
5
UPC4570
IC27
-
+5
6
7
UPC4570
IC27
-
+
12
3
VCC
WIRING POWER UNIT
FROM P.S UNIT
TO MIDI BOARD CN1
R131
2.2K
10KR206
R208 10K
10KR207
R205 10K
10KR204 10KR202
VCC
10K
R16
VHC04
IC2 98
IC2
VHC04
12
ID12
ID7
ID9
ID7
ID4
ID5
ID[0:15]
ID0
ID1
ID2
ID3
ID13
ID14
ID15
ID5
ID6
ID8
ID9
ID10
ID11
ID4
ID10
ID5
ID9
ID6
ID8
ID7
ID15
ID0
ID14
ID1
ID13
ID2
ID12
ID3
ID11
ID4
ID10
ID6
ID8
ID11
ID15
ID0
ID14
ID1
ID13
ID2
ID12
ID3
RA16
1
2
3
45
6
7
88
7
6
54
3
2
1
RA15
1
2
3
45
6
7
8 1
2
3
45
6
7
8
RA14
1
2
3
45
6
7
8 1
2
3
45
6
7
8
RA13
1
2
3
45
6
7
8 1
2
3
45
6
7
8
LED3
L
R
R
IC23
AK4520
21 VD 20 TS1 19 TS2 18 TS3 22 DGND 27 AOUTR 26 AOUTL 16 DEM0 17 DEM1 25 CMODE
9DIF0
10 DIF1
24
PWAD 23 PWDA 11
LRCK 12
SCLK 13
SDTI 14
SDTO 15 MCLK 3
AINR 4
VRADR 5
AINL 6
VRADL 28
VCOM 2
VREFL 8
AGND
1
VREFH 7
VA
220/6.3
C137
+
C131
220/6.3
+
220/6.3
C130
+
C129
220/6.3
+
C16
3.3/50
+
10/16
C48
+
.1
C107
.1
C101
C144
10/16
+
C142
10/16
+
10/16
C140
+
R27
150
150
R29
150
R28
C138
10/16
+
C43
10/16
+
C42
10/16
+
10/16
C41+
10/16
C45
+
10/16
C49
+
C47
10/16
+
C46
10/16
+
C69
10/16
+
C68
10/16
+
C152
10/16
+
10/16
C65
+
10/16
C64
+
C63
10/16
+
10/16
C62
+
C146
10/16
+
C3
220/6.3
+
CN5
B7B-PH-K-S
1 2 3 4 5 6 7
IC24
AK4520
21 VD 20 TS1 19 TS2 18 TS3
22 DGND
27 AOUTR 26 AOUTL 16 DEM0 17 DEM1 25 CMODE
9DIF0
10 DIF1
24
PWAD 23 PWDA 11
LRCK 12
SCLK 13
SDTI 14
SDTO 15 MCLK 3
AINR 4
VRADR 5
AINL 6
VRADL 28
VCOM 2
VREFL 8
AGND
1
VREFH 7
VA
+15V
VCC
.47
C74
.47
C150
.47
C149
C147
.47
VCC
-15V
C61 33P
150P
C29
C34
10P
GND
DTC314TK
Q7 1
3
2
VCC
M_OUT-
M_OUT+
M_IN-
M_IN+
VCC
TRS1
TRS2
TRS3
TRS4
TRS5
TRS4 TRS3 TRS2 TRS1 TRS5
TRS[1:5]
TRS2
TRS3
TRS4
TRS5
10K
R69
R67
10K
R139
10K
R142
10K
IC35
HC4053
0X
1X
0Y
1Y
0Z
1Z
VCC
X
Y
Z
A
B
C
INH
GNDVEE
12
13
2
1
5
3
16
14
15
4
11
10
9
6
87
1K
R73
R121
100K
10
R98
10K
R124
VCC
VCC
R122
100K
100K
R123
100K
R120
10K
R103
MA153
D6
1
3
2
1
2
1
2
1
2
D7
MA153 3
-15V
R52 100
22K
R78
C72
100P
GND CS4
IRQ3
RESET
CS1
68/80
D/I
WR
RD
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7
VDD
VSS
IN1L_A
GND
GND
GND
VHC08
IC17
65
4
R97
10
Q10
DTC314TK
1
3
2
DTC314TK
Q9 1
3
2
R80
1K
1K
R79
D2
MA153
2
3
1
P61 P26 P25 P20 P24 P21 P22
OUT_L
IN_R
IN_L
IN2L_B
IN2R_B
IN2R_A
IN2L_A
IN1L_B
IN1R_B
IN1R_A
R63
47K
150
R26
EDA1
OUTR_A
LGR4609-7000
JK3
1
2
3
4
R95
22K
22K
R92
C12
.1
C11
.1
GND GND 512FS
R54 100
47K
R115
R108
100K
R107
100K
100K
R106
R
L
C36
100P
100P
C35
TRS5 TRS4 TRS3 TRS2 TRS1 TRCK0 D/A0 D/A1 D/A2 D/A3 A/D0 A/D1 A/D2 A/D3 TRCKIN TRR1 TRR2 TRR3 TRR4 CLKI LRCK1 MCK1 MCK0 BCK0 LRCK0 D/A4 D/A5 D/A6 D/A7 XRST RX1 TX1 GND GND GND VCC VCC
GND
VCC
VCC
DA1 GND
VCC
VCC
VCC
MUTE
GND
C24
15P
+15V
+15V
VCC
GND
VCC
A16
VCC
VCC
VCC
IC15
VHC245
10 GND
2A0
A1
3
4A2
5A3
6A4
7A5
A6
8
9A7
B0 18
B1 17
16
B2 15
B3
B4 14
13
B5
B6 12
11
B7
1
DIR
VCC
20
OE 19
19
20
1
11
12
13
14
15
16
17
18
9
8
7
6
5
4
3
2
IC14
VHC245
10 GND
2A0
A1
3
4A2
5A3
6A4
7A5
A6
8
9A7
B0 18
B1 17
16
B2 15
B3
B4 14
13
B5
B6 12
11
B7
1
DIR
VCC
20
OE 19
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
1
20
19
EDA2 D8 A2
+15V
VCC
VCC
R41
1.5K
R56
1K
-15V +15V
+15V
100P
C67
C66
100P
R141
47K
47K
R140
VCC
VCC
VCC
R37
10K
AN78L05M
IC22
G
N
D
OUTIN
2
13
1K
R4
VCC
1K
R83
.1
C122
.1
C123
.1
C125
.1
C124
.1
C120
.1
C121
.1
C119
+5V
GND
VCC
VCC
R5
100
-15V
GND
+15V
DD08
C2 10P
220K
R42
VCC
220
R2
220
R3
.1
C21
VCC
VCC
RESET
GND
DD07
DD06
DD09
DD05
DD10
DD04
DD11
DD03
DD12
DD13
DD01
DD14
DD00
DD15
(KEY)
DMARQ
GND
DIOW
GND
DIOR
GND
IORDY
CSEL
DMACK
GND
INTRQ
IOCS16
DA1
PDIAG
DA0
DA2
CS0
CS1
DASP
GND
VCC
VCC
+5V
10K
R38
R84
1K
100P
C37
C38
100P
C105
.1
MNR35
RA12
6
1
10
9
8
7
5
4
3
2
MNR35
RA11
2
3
4
5
7
8
9
10
16
MNR35
RA10
6
1
10
9
8
7
5
4
3
2
VCC
GND
+5V
.1
C118
VCC
100P
C70
C71
100P
IDE
R96
47K
VCC
VCC
DD02
C51
.1
IC17
VHC08
1
2
3
VCC
IC17
VHC08
9
10 8
R99
1K
VCC
Q3
DTC114EK 1
3
2
-15V
MIC_A
MIC_B
OUTL_B
VREF
VR_1
VR_2
VR_3
VR_4
VR_5
VR_6
VR_7
VR_8
L
R
MIC
R34
10K
R33
10K
LS0 LS1 LS2
SS0 SS1 SS2
GND
.1
C5
C7
.1 .1
C8
.1
C20
R18
10K
C6
.1
C4
.1
C9
.1
.1
C27 .1 C28
1K
R74
R55
10K
R47
47K
27KR58
A0 D15 D13 D12 D10 D9
S1 S2 S3
A1
OUTL_A
10P
C1
D11
GND
LGR4609-7000
JK5
4
3
2
1
JK1
LGR4609-7000
4
3
2
1
IC1
A
NC
C
VCC
GND
O
PC410
1
2
3
6
4
5
IC19
VDD
LOCK
S2
M2
M1
CKO
VSS
REF
PD
VDDA
AMPI
AMPO
VSSA
XI
XO
S1
TC9246F
13
8
7
6
5
4
3
2
1
9
10
11
12
14
15
16
D4
MA153
2
3
1
VCC
GND
GND
VCC
VCC
CE
A17
D15
D14
A15
D13
A14
D12
A13
D11
A12
D10
A11
D9
A10
D8
A9
GND
GND
D7
A8
D6
A7
D5
A6
D4
A5
D3
A4
D2
A3
D1
A2
D0
A1
OE
A0
VCC
VCC
GND
GND
WRA
WRB
VCC
VR_9
GND
-15V
D14 MCK GND SYI BCK GND LRCK AD1 PF1
+15V
-15V
MA153
D5
3
21
R45
10K
C10
.1
3.3K
R15
RD HWR GND EBCK ELRCK EMCK
10K
R48
VCC GND
VCC TRR5
R53 100
TO OPTION BOARD
R76
22K
VCC
R57
10K
68K
R114 R113
47K
R93
47K
100K
R105
IC4
HC4053
0X
1X
0Y
1Y
0Z
1Z
VCC
X
Y
Z
A
B
C
INH
GND VEE
12
13
2
1
5
3
16
14
15
4
11
10
9
6
87
R49 100
VCC
RST
C73
100P
Q5
DTC314TK 1
3
2
R66
1K
R62
1K
Q6
DTC314TK 1
3
2
1K
R65
R64
47K
1K
R61
R70 27K
C55
.1
VCC
R25 150
GND
47K
R117
22K
R94
22K
R91
47K
R110
47K
R112
EDA0
LED1 LED2
VCC
A3
IC6
M51953A/BFP
VCC
RST
NC4
NC3NC2
NC1
GND
DEL
5
4
1
23
8
6
7
VCC
SS[0:2],SSEN,LS[0:2],LLCK
LLCK
LS0
LS1
LS2
SS0
SS1
SS2
SSEN
LS0 LS1 LS2 LLCK SS0 SS1 SS2 SSEN
GND
GND
IC3
HC4053
0X
1X
0Y
1Y
0Z
1Z
VCC
X
Y
Z
A
B
C
INH
GNDVEE
78
6
9
10
11
4
15
14
16
3
5
1
2
13
12
B10B-PH-K-S
CN3
SENSER
VCC
LED_R
LED_L
PLS_R
PLS_L
-15V
A.GND
D.GND
+15V
1
10
2
3
4
5
6
7
8
9
VCC
R19
1K
R24
150
R109
47K
.1
C108
.1
C110
.1
C109
.1
C113
.1
C114
.1
C112
.1
C111 C117
.1
.1
C116
.1
C115
VCC
D8
MA153
3
MA153
D9 3
VCC
LD5 LD4 LD3 LD2 LD1 LD0
LCD_RD LCD_WR LCD_CS
LD7
LD[0:7],LCD_CS,LCD_RD,LCD_WR
LD6
LD0
LD1
LD2
LD3
LD4
LD5
LD6
LD7
LCD_WR
LCD_RD
LCD_CS
IC17
VHC08
11 13
12
GND
VCC
VCC
VCC
R50 100
-15V
OUTR_B
B6B-PH-K-S
CN15
6
5
4
3
2
1
1K
R71
10K
R104
1.8K
R72
HC4053
IC33
0X
1X
0Y
1Y
0Z
1Z
VCC
X
Y
Z
A
B
C
INH
GNDVEE
78
6
9
10
11
4
15
14
16
3
5
1
2
13
12
TMS418169A
IC8
13 WE
30 UCAS
14 RAS
29 OE
31 LCAS
42
VSS3 37
VSS2 22
VSS1 21
VCC3 6
VCC2 1
VCC1
32
NC5 16
NC4 15
NC3 12
NC2 11
NC1
34 D9
33 D8
10 D7
9D6
8D5
7D4
5D3
4D2
41 D15
40 D14
39 D13
38 D12
36 D11
35 D10
3D1
2D0
28
A9 27
A8 26
A7 25
A6 24
A5 23
A4 20
A3 19
A2 18
A1 17
A0 17
18
19
20
23
24
25
26
27
28
2
3
35
36
38
39
40
41
4
5
7
8
9
10
33
34
11
12
15
16
32
1
6
21
22
37
42
31
29
14
30
13
IC9
LH28F800SUT
WP
WE
RY/BY
RP
OE
CE1
CE0
BYTE
3/5
VPP VCC3 VCC2
VCC1
NC4
NC3
NC2
NC1
GND3
GND2
GND1
D9
D8
D7
D6
D5
D4
D3
D2
D15
D14
D13
D12
D11
D10
D1
D0
A9
A8
A7
A6
A5
A4
A3
A2
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A1
A0 32
28
18
17
13
12
11
10
8
7
6
5
27
26
25
24
23
22
20
19
33
35
39
41
45
47
50
52
38
40
44
46
49
51
34
36
21
42
48
3
4
29
30
9
37
43
15
1
31
14
2
54
16
53
55
56
VCC
VCC
DTC114EK
Q2
1
32
VHC04
IC2
43
DTC114EK
Q11
1
32
Q1
DTC114EK
1
32
R9
330
330
R8
10K
R81
AD1
DA1
AD0,AD1,DA0,DA1
AD0
AD1
DA0
DA1
DA0 AD0
R59
10K
R60 27K
10K
R128
10K
R129
10K
R132
220
R1
10K
R126
B13B-PH-K-S
CN13
12
10
1
2
3
4
5
6
7
8
9
11
13
22K
R82
22K
R138
100K
R119
VCC
VCC
ED5
ED6
ED7
ED8
ED9
ED10
ED11
ED4
ED4
ED5
ED6
ED7
ED8
ED9
ED10
ED11
ED[4:11]
L
1K
R21
.01
C22
IC10
HC138
A
B
C
G1
GND
VCC
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
G2A
G2B
1
2
3
6
8
16
15
14
13
12
11
10
9
7
4
5
R39
10K
10K
R40
GND
RA3
1 2 3 45
6 7 8
RA4
1 2 3 45
6 7 8
RA19 RA20 RA21
RA22
RA23
RA24
1234
5
6
78
1234
5
6
78
1234
5
6
78
1234
5
6
78
1234
5
6
78
1234
5
6
78
150P
C31
150P
C33
C32
150P
C30
150P
.47
C148
C151
.47
RA17
1
2
3
45
6
7
8
220/6.3
C132
+
C133
220/6.3
+
220/6.3
C134
+
C135
220/6.3
+
220/6.3
C136
+
.1
C103
L1
BLM41A151S
2
1 21
L3 BLM41P750S
2
1 21
L2 BLM41A151S
2
112
100
R30
R32 330
330
R146
R31
330
VHC04
IC2
13 12
VHC04
IC2 1011
DTC114EK
Q8 1
3
2
SP_L
SP_R
MUTE
GND
VCC
10KR201
TO PANEL BOARD CN6
TO PANEL BOARD CN7
TO PANEL BOARD CN5TO BEAM BOARD CN1
TO DISK DRIVE UNIT
1
2
3
4
5
6
7
10/16
C143
+
C141
10/16
+
C139
10/16
+
R145
8.2K
10K
R22
PD0 PD1 PD2 PD3 PD4 PD5 PD6 PD7
ENC_A ENC_B
+5V +5V
PS-40PE-D4T1-B1
CN12
39
38
37
36
35
32
25
24
23
22
21
19
17
13
11
9
8
7
6
5
4
3
2
1
10
12
14
15
16
18
20
26
27
28
29
30
31
33
34
40
VCC
B4B-PH-K-S
CN1
1
2
3
4
LLCK
SSEN
D100
DAN202
31
PD5 PD6 PD7
PD7
PD7
PD5
PD3
PD1
PD0
PD2
PD4
PD6
PD6
PD5
PD4
PD3
PD2
PD1
PD0
PD[0:7]
PD4 PD3 PD2 PD1 PD0
IRQ0
DRQ0,DRQ1,DRQ_R,IRQ0,IRQ2,IRQ3
DRQ_R
DRQ0
DRQ1
DRQ0
IRQ0
IRQ2
IRQ3
IRQ3
IRQ3
IRQ2
DRQ_R
DRQ1
+15V
3.3/50
C218
+
C215 33P
-15V
47P
C200
C220
10/16
+
DAN202
D13
13
DAN202
D12 13
RA18 1
2
3
45
6
7
8 1
2
3
45
6
7
8
DAN202 D10
13
DAN202
D14
31
IDCS0
IDCS1
IDA3
IDA1
IDRD
IDWR
IDA[1:3],IDCS[0:1],IDRD,IDWR
IDA2
IDA3
IDA2
IDA1
IDCS1
IDCS0
IDRD
IDWR
DAN202 D11
31
C19
.47
UPC4570
IC29
-
+5
6
7
UPC4570
IC29
-
+
12
3
47K R102
10/16
C40+
C15
3.3/50
+
R111
68K
UPC4570
IC26
-
+
76
5
R10
220
R17
10K
512FS
1536FS
768FS
512FS
FS
CN16
50
11
1
27
49
48
47
46
45
44
43
42
41
34
33
31
30
29
28
26
20
18
16
15
14
12
10
2
3
4
5
6
7
8
9
13
17
19
21
22
23
24
25
32
35
36
37
38
39
40
2200/25
C102
+
C104
2200/25
+
C58 100P
100P
C59
JK2
YKC21-3881
1
2
YKC21-3881JK2
4
3
YKC21-3881JK2
8
7
OUT_R
CN17
4
3
2
1
JK4
YKC21-3881
1
2
YKC21-3881
JK4
4
3
JK4
YKC21-3881
5
6
JK4
YKC21-3881
8
7
CN7
9 8 7 6 5 40 4 39 38 37 36 35 34 33 32 31 30 3 29 28 27 26 25 24 23 22 21 20 2 19 18 17 16 15 14 13 12 11 10 1
A19
JK2
YKC21-3881
5
6
PHONES
MASTER
100P
C302 C303 100P
100P
C304 C305 100P
100P
C306 C307 100P
100P
C308 C309 100P
C310 100P
GARD
RD
RD
RD
LWR
HWR
RD
HWR
RD
RST
WAIT1
RST
HWR
RST
WAIT1
WAIT0
RST
RST
AS,RD,GARD,BRD,HWR,LWR,WAIT0,WAIT1,CLK,RST
RST
CLK
LWR
HWR
AS
RD
HWR
RST
WAIT0
CLK
RST
AS
HWR
GARD
D2
D15
D14
D13
D12
D11
D10
D9
D8
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D7
D15
D0
D14
D1
D13
D2
D12
D3
D11
D4
D10
D5
D9
D6
D8
D14 D15 D13 D12 D11 D10 D9 D8
D[0:15]
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D1
D0
D2
D15
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D0
D1
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
CS6
CS1,CS3,CS[5:7]
CS1
CS3
CS5
CS6
CS7
CS7
CS5
CS3
CS1
CS3
R75
22K
R77
22K
VCC
Q100
DTA114EK
2
3
1
P26
P23
P50
P31
P17
P16
P15
P14
P11
P10
P12
P13
P20
P21
P22
P23
P24
P25
P26
P11
P33
P13
P34
P10
P35
P12 P51 P52
P61
P63
PF0
PF1
PG3
PG1
P[10:17],P[20:26],P31,P[33:35],P[50:52],P61,P63,PF0,PF1,PG1,PG3
P33 P52 PG1 PG3 P61
P14 P15
PG1 PG3 P52
P51
P22
P20
P21
P61
P63
P50
P34
P22 P21 P24 P20 P25 P26 P61
P35
PF0
P17
P16
P31 P33
PF1
P61
33P
C214
UPC4570
IC32
-
+
12
3UPC4570
IC32
-
+5
6
7
C400 100P
R400 47K
R88
47K
47KR401
47K
R85
C401 100P
LH62800K-50
IC12
OE
CAS
RAS
WE
I/O8
I/O7
I/O6
I/O5
I/O4
I/O3
I/O2
I/O1
VSS2
VSS1
VCC
NC2
NC1
A8
A7
A6
A5
A4
A3
A2
A1
A0 9
10
11
12
14
15
16
17
18
7
20
13
1
26
2
3
4
5
22
23
24
25
6
8
21
19
HD6432653BA11F
IC7
PG3
PG1
6
A0 7
A1
17
A10 18
A11 20
A12 21
A13 22
A14 23
A15 24
A16 25
A17 26
A18 27
A19
8
A2
29
A20 30
A21 31
A22 32
A23
9
A3 11
A4 12
A5 13
A6 14
A7 15
A8 16
A9
103
AVCC
113 AVSS
40
D0 41
D1
51
D10 52
D11 54
D12 55
D13 56
D14 57
D15
42
D2 43
D3 45
D4 46
D5 47
D6 48
D7 49
D8 50
D9
86 EXTAL
123
MD0 124
MD1 125
MD2 82
NMI
121 P11
120 P12/TIOCC0
119 P13
118 P14
117 P15
116 P16
115 P17
79 P20
78 P21
77 P22
76 P23
75 P24
74 P25
73 P26/TIOCA5
72 P27
63 P34
64 P35
105 P40/AN0
106 P41/AN1
107 P42/AN2
108 P43/AN3
109 P44/AN4
110 P45/AN5
111 P46/AN6
112 P47/AN7
97 P50
98 P51
P52
P53
71 P63
PF0
96 PF1
95
PF7/CLK 88
5
VCC1 39 VCC2 58 VCC3 84 VCC4 89 VCC5
104 VREF
3VSS1
65 VSS10 67 VSS11 68 VSS12 87 VSS13
99
VSS14 100
VSS15 114
VSS16
4VSS2
10 VSS3
19 VSS4 28 VSS5 35 VSS6 36 VSS7 44 VSS8 53 VSS9
85 XTAL
90
AS
126
CAS/OE
92
HWR 93
LWR
59 P30/TXD0
60 P31/TXD1
61 P32/RXD0
62 P33/RXD1
70 P62/DRQ1
38 P64/IRQ0
37 P65/IRQ1
PG2/CS2
PG4/CS0
91
RD
81
RES
83
STBY
WAIT 94
WDTOVF 80
122 P10/TIOCA0
66 P60/DRQ0
69 P61
33 P67/IRQ3
34 P66/IRQ2
80
83
81
91
2
1
128
127
33
34
37
38
70
69
66
93
92
126
90
85
53 44 36 35 28
10
4
114
100
99
87 68 67 65
3
104
89 84 58 39 5
95
96
71
102
101
98
97
112
111
110
109
108
107
106
105
64
63
62
61
60
59
72
73
74
75
76
77
78
79
115
116
117
118
119
120
121
122
82
125
124
123
86
50
49
48
47
46
45
43
42
57
56
55
54
52
51
41
40
113
103
16
15
14
13
12
11
9
32
31
30
29
8
27
26
25
24
23
22
21
20
18
17
7
6
SLA919FF0J
IC13
86
ENCA
CLKIN1
98
103 LRCK0
CS_2 97
64 A0
63 A1
62 A2
61 A3
60 A4
59 A5
58 A6
57 A7
96 ADBIT0
95 ADBIT1
88 ADIN0
87 ADIN1
102 BCK
90
CLKIN0
53
D0 52
D1
42
D10 41
D11 40
D12 39
D13 38
D14 37
D15
51
D2 50
D3 49
D4 48
D5 47
D6 46
D7 44
D8 43
D9
94 DABIT0
93 DABIT1
70 DAOUT0
69 DAOUT1
85
ENCB
91 ENCTYP
92 ESPUSE
125 IDE_A1
126 IDE_A2
127 IDE_A3
109
LD0 110
LD1 111
LD2 112
LD3 113
LD4 114
LD5 115
LD6 116
LD7
9
LLCK
104 LRCK1
11
LS0 12
LS1 13
LS2 14
LS3
101 MCK
17
PD0 18
PD1 19
PD2 20
PD3 21
PD4 22
PD5 23
PD6 24
PD7
5
SS0 6
SS1 7
SS2 8
SS3 2
SSEN
66 TEST
80 TRCKIN
75 TRCKO
81 TRR2
82 TRR3
83 TRR4
84 TRR5
74 TRS2
73 TRS3
72 TRS4
71 TRS5
VDD_1
4
100 VDD_10
118 VDD_11
122 VDD_12
VDD_2
16 VDD_3
26 VDD_4
31 VDD_5
36
55 VDD_7
68 VDD_8
78 VDD_9
3VSS_1
67 VSS_10
VSS_11
89 VSS_12
99 VSS_13
108 VSS_14
117
121 VSS_15
10 VSS_2
15 VSS_3
25 VSS_4
30 VSS_5
35 VSS_6
54 VSS_8
77 VSS_9
32
AS
56
CS_1
28
DMAR 29
DMAW
120
IDECS
128 IDECS0
1IDECS1
124 IDERD
123 IDEWR
76
INTO
119
LCDCSI
105
LCDCSO 107
LCDRD 106
LCDWR
33
RD
65
RESET 27
WAIT
34
WR
79 SYI
45 VSS_7
GND
B5B-PH-K-S
CN14 1
2
3
4
5
CIRCUIT DIAGRAM
MAIN BOARD ASSY (71127056)

14
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
29 30 31 32 33 34 35 36 37 38 39 40 41 42
V
W
X
Y
Z
CD
VCR
MASTER
PAD
SE BGM
VCR
V.C.
VIEW
WAVE
SW71
1 2
SHUT DOWN
EXT. INT.
AUTO SETUP
EXIT
DRAG
SW60
1 2
CUSTOM PRE.
V-TRACK
EFE. PAD
EFE.D
REGION
MARK ON
UNDO
DIVIDE
TRIM
PAD
SW41
21
PROJECT
SCRUB
FROM
SCRUB
REGION
MARK ON
PAD
PROJECT
EFE.
V-TRACK
D46
SEL5921A
D47
SEL5921A
SEL5921A
D24
1
2
D230
SML72423C 31
2
PHONES
SYSTEM
SYSTEM
LS6 LS7LS4LS3
LS2
LS0
LS1
LS2
LS3
LS4
LS5
LS6
LS7
LS1
LS2
LS0
LS[0:7]
LS5
SEL5921A
D60
D650
SEL5221S
SB0
SB7
SB6
SB5
SB4
SB3
SB2
SB1
SB0
SB1
SB2
SB5
SB6
SB7
SB4
SB3
SB[0:7]
SB0
SB1
SB2
SB3
SB4
SB7
SB6
SB5
IC4
TD62381P
I1
I2
I3
I4
I5
I6
I7
I8
O1
O2
O3
O4
O5
O6
O7
O8
VCC
GND
9
10
11
12
13
14
15
16
17
18
8
7
6
5
4
3
2
1
EC16B24104
ENC.1
1
2
3
D123
2 1
D122
2 1
D137
2 1
D136
2 1
D135
2 1
D134
2 1
D132
2 1
D133
2 1
D140
2 1
D143
2 1
D142
2 1
D141
2 1
D144
2 1
D145
2 1
D146
2 1
D147
2 1 D157 2 1
D156
2 1
D155
2 1
D154
2 1
D150
2 1
D151
2 1
D152
2 1
D153
2 1 D163 2 1
D162
2 1
D161
2 1
D160
2 1
D164
2 1
D165
2 1
D166
2 1
D167
2 1 D177 2 1
D176
2 1
D175
2 1
D174
2 1
D171
2 1
D172
2 1
D173
2 1
D130
2 1
D121
2 1 D131 2 1
D120
2 1
C1
100/6.3
+
100/6.3
C5
+
100/6.3
C4
+
DISK
D:1SS-133
WIRING PANEL BOARD-D
CN5
11
9
8
7
6
5
4
3
2
1
10
SW42
1 2
EFE.A
EFE.B
EFE.C
SW1
21
D57
SEL5921A
21
SEL5921A
D56
21
SEL5921A
D75
21
D65
SEL5921A
1 2
D55
SEL5921A
21
SEL5921A
D64
SEL5921A
D44
D63
SEL5921A
D43
SEL5921A
SEL5921A
D52
D42
SEL5921A
SEL5921A
D71
D51
SEL5921A
SEL5921A
D41
D50
SEL5921A
SEL5921A
D40
D36
SEL5921A
SEL5921A
D35
D34
SEL5921A
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
R
R
R
R
G
G
IC3
HC574
GND
OE
CLK
VCC
D0
D1
D2
D3
D4
D5
D6
D7 Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
10
1
11
20
2
3
4
5
6
7
8
912
13
14
15
16
17
18
19
VR10
EVJY95(10KB) 5
6
4
EVJY95(10KB)
VR10
1
3
2
VR13
EVJY95(10KB)
2
3
1
VR13
EVJY95(10KB)
4
6
5
VR11
EVJY95(10KB) 4
6
5
VR11
EVJY95(10KB)
2
3
1
EVUF2K(10KB)
VR12
1
3
2
LED3
CN7 1
2
3
4
5
6
CN6
13
11
9
8
7
6
5
4
3
2
1
10
12
CN4
11
9
8
7
6
5
4
3
2
1
10
CN3
12
10
1
2
3
4
5
6
7
8
9
11
LB2
CN2
13
11
9
8
7
6
5
4
3
2
1
10
12
14 GND
VCC
C3 C2 C1
LS1
GND
IN1L_A
GND
IN2R_A
OUTR_A
VR4
GND
SW3
21
VCC
IC5
HC138
A
B
C
G1
GND
VCC
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
G2A
G2B
5
4
7
9
10
11
12
13
14
15
16
8
6
3
2
1
VCC
SSEN
LLCK
SW77
1 2
SW46
1 2
SW23
21
SW22
1 2
SW21
21
SW37
1 2
SW36
21
SW35
1 2
SW34
21
SW33
1 2
SW32
21
SW31
1 2
SW30
21
SW47
21
SW45
21
SW44
1 2
SW43
21
SW40
1 2
SW57
1 2
SW56
21
SW55
1 2
SW54
21
SW53
1 2
SW52
21
SW51
1 2
SW50
21
SW67
21
SW66
1 2
SW65
21
SW64
1 2
SW63
21
SW62
1 2
SW61
21
SW70
21
SW72
21
SW73
1 2
SW74
21
SW75
1 2
SW76
21
VREF
VR1
VR2
VR3
VR5
VR6
VR7
VR8
LS0
SS0
SS1
GND
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
+5V
VCC
VCC
VCC
SW2
1 2
S1
S2
S3
MIC_A
MIC_B
IC1
HC138
A
B
C
G1
GND
VCC
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
G2A
G2B
1
2
3
6
8
16
15
14
13
12
11
10
9
7
4
5
+5V
VCC
VR9
ENC_A
ENC_B
OUTL_A
OUTL_B
OUTR_B
GND
GND
LS2
SS2
IN1R_A
IN1R_B
IN1L_B
IN2L_A
IN2R_B
IN2L_B
GND
LED1
VCC
MIC
GND
LB0
LB1
LB3
LB4
LB5
LB6
LB7
LS0
LS1
LS2
GND
SB0
SB1
SB2
SB3
SB4
SB5
SB6
SB7
SS0
SS1
SS2
CN1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
1LED2
D232
SML72423C 31
2
R8 18
4.7
R9
R10
4.7
4.7
R11
4.7
R12
IC2
TD62787AP
I1
I2
I3
I4
I5
I6
I7
I8
O1
O2
O3
O4
O5
O6
O7
O8
VCC
GND
1
2
3
4
5
6
7
8
18
17
16
15
14
13
12
11
9
10
R2 18
18R1
18R3 18R4
R5 18
18R6
R7 18
SEL5221S
D3
2
1
SEL5421E
D2
1
2
G
G
D61
SEL5421E
D66
SEL5221S
1 2
D67
SEL5221S
21
D72
SEL5221S
SEL5221S
D73
SEL5221S
D74
SEL5221S
D76
21
SEL5221S
D77
1 2
D45
SEL5221S
D62
SEL5421E
SW20
1 2
D233
SML72423C
2
1 3
D231
SML72423C
2
1 3
STATUS
STATUS
STATUS
STATUS
A
B
C
D
LOC.1 LOC.2
LOC.3
LOC.4
PAD
PLAY
REC
EFE.A
EFE.B
EFE.C
EFE.D
UNDO
SHIFT
STATUS A
STATUS B
STATUS C
STATUS D
LOC.1
LOC.2
LOC.3
LOC.4
CLEAR
ENTER
^
<
V
>
SHIFT
|<<
<<
>>|
STOP
PLAY
REC
SELECT
ON/OFF
FROM MAIN BOARD CN9
FROM MAIN BORAD CN10
TO SW BOARD CN1
TO SW BOARD CN2
FROM MAIN BOARD CN11
FROM MAIN BOARD CN13
FROM MAIN BOARD CN15
WIRING PANEL BOARD-C
WIRING PANEL BOARD-G
WIRING PANEL BOARD-F
WIRING PANEL BOARD-E
WIRING PANEL BOARD-A
WIRING PANEL BOARD-B
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
4
5
6
SW:SKQNAD
D1
SEL5221S
2
1
D37
SEL5221S
D70
SEL5221S
EXIT
ENTER
RK09L1140
VR3
1
2
3
1
VR2
RK09L1140
1
1
3
2VR1
RK09L1140
2
3
1
SS5SS4SS2
SS6
SS0
SS1
SS2
SS3
SS4
SS5
SS7
SS1
SS0
SS[0:7]
SS3 SS7SS6
SS2
D170
2 1
LB4
LB3
LB2
LB0
LB1
LB5
LB6
LB7
LB0
LB1
LB2
LB3
LB4
LB5
LB6
LB7
LB[0:7]
ON
EFFECTS
VR5
EWAQ1AC10B54
2
1
3
2
EWAQ1AC10B54
VR4 2
3
1
VR9
EWAQ1AC10B54
1
3
2VR8
EWAQ1AC10B54
3
22
3
1
EWAQ1AC10B54
VR7 3
2
1
3
2VR6
EWAQ1AC10B54
3
2
3
1
VALUE/
TIME
PAD EXT. INT.
AUTO
SET UP
DRAG
WAVE
VIEW
SHUT
DOWN
NARR.
C3
C2
CUSTOM
PRESET
C1
DELAY
REVERB
VOICE T.
DISPLAY
FROM
2
1
2
1
2
1
2
1
2
1
2
1
A-6
Oct, 1998
PANEL BOARD ASSY (70909012)

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
2
3
GND
GND
+5V
RESET
GND
DD07
DD08
DD06
DD09
DD05
DD10
DD04
DD11
DD03
DD12
DD02
DD13
DD01
DD14
DD00
DD15
GND
(KEY)
DMARQ
GND
DIOW
GND
DIOR
GND
IORDY
CSEL
DMACK
GND
INTRQ
IOCS16
DA1
PDIAG
DA0
DA2
CS0
CS1
DASP
GND
GND
GND
GND
GND
RESET
GND
DD07
DD08
DD06
DD09
DD05
DD10
DD04
DD11
DD03
DD12
DD02
DD13
DD01
DD14
DD00
DD15
GND
(KEY)
DMARQ
GND
DIOW
GND
DIOR
GND
IORDY
CSEL
DMACK
GND
INTRQ
IOCS16
DA1
PDIAG
DA0
DA2
CS0
CS1
DASP
GND
+5V
+5V
GND
GND
N.C.
+5V
N.C.
N.C.
FROM A-6
MAIN BOARD TO IDE
DRIVE
PS-40PE-D4T1-B1
CN-12
CN1
CN2
CN3
3P-SCN
CL_572-2474-0
12345678910111213141516 17 18 19 20 21 22 23 24 25 26 27 28
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U15
A-6
Oct, 1998
CONNECTOR BOARD ASSY (71124767)
GROUP
SW2021
CLIP
SW19
12
PAD REC
F19
SW15
12
8
SW14
12
7F26
SW1121
54
SW9
12
F33
SW7 21
21BEEP
SW4 21
>|
SW3
12
SET
SW2
12
0
PAD REC
F1987F2654
F3321BEEP>|SET0
FROM PANEL BOARD CN3
HOLD
CLIP BOARDHOLD
D1-D19:TLSU1002
D19
12
D18
21
D17
12
D16
21
D15
12
D14
21
D13
12
D12
21
D11
12
D10
21
D912
D8
21
D712 D6
21
D512 D4
21
SB[0:7]
SB7SB6SB5SB4SB3SB2SB1SB0
SB7SB6SB5SB4
SB0
SB1
SB2
SB3
SB4
SB5
SB6
SB7
DAP202K
D27
DAP202K
D26
D25
DAP202K
DAP202K
D24
D23
DAP202K
DAP202K
D22
D21
DAP202K
CN1
S12B-ZR-SM3A-TF
1
10
11
12
2
3
4
5
6
7
8
9
CN2
S11B-ZR-SM3A-TF
1
10
11
2
3
4
5
6
7
8
9
LB5
LB7LB6LB5LB4LB3LB2LB1
LB0
LB1
LB2
LB3
LB4
LB5
LB6
LB7
LB[0:7]
LB0 LB1 LB2 LB3 LB4 LB5 LB6 LB7
LB5 LB6 LB7
LB0
SW18
12
SW1721
SW5
12 SW6 21 SW8 12
SW1 21
SW1021 SW12
12 SW1621
SW1321
SB0
SB1
SB2
SB3
SB4
SB5
SB6
SB7
SS0
SS1
SS2
LB0
LB1
LB2
LB3
LB4
LB6
LB7
GND
LS0
LS1
LS2
D2
21 D312
D112
FROM PANEL BOARD CN4
DAP202K
D20 2
3
1
D28
DAN202K1
2
3D29
DAN202K
2
3
12
3
12
3
12
3
12
3
12
3
12
3
1
1
2
3
SWITCH BOARD ASSY (71016045)

16
CPU
HD6432653BA11F (01340201)
IC7 on MB
4M DRAM
LH62800K-50 (01347756)
IC12 on MB
16M DRAM
TMS41816A-60 (01347745)
IC8 on MB
1
2
3
4
5
6
8
9
10
11
12
13
26
25
24
23
22
21
19
18
17
16
15
14
VSS
I/O1
I/O2
I/O3
I/O4
WE
RAS
A0
A1
A2
A3
VCC
VSS
I/O8
I/O7
I/O6
I/O5
CAS
OE
A8
A7
A6
A5
V4
/ APA / IRQ
20 44
PG / CS
40
29
/ APA / IRQ
21 55 30
/ APA / IRQ
22 66 31
/ APA / IRQ
23 77 32
/ CSP6 / IRQ
7
637 33
/ CSP6 / IRQ26
P6 / IRQ15
P6 / IRQ04
34
VSS
VSS
VCC
2
PG / CS
31
1
PC / A
006
PC / A
117
PC / A
228
PC / A
339
PC / A
4411
PC / A
5512
PC / A
6613
PC / A
7714
PB / A
0815
PB / A
1916
PB / A
21017
PB / A
31118
PB / A
41220
PB / A
51321
PB / A
61422
PB / A
71523
PA / A
01624
PA / A
11725
PA / A
21826
PA / A
31927
3
4
VSS 10
VSS
PG / CS
13
PG / CAS
0/ OE
MD2 MD1 MD0
PG / CS
22
P1 / PO / TIOCA0/ DACK
08 0
P4 / AN
77
/ DA1
P4 / AN
66
/ DA0
P4 / AN
55
P4 / AN
44
P4 / AN
33
P4 / AN
22
P4 / AN
11
P4 / AN
00
V
ref
AVCC
VSS AVSS
19
VSS 28
VSS 35
VSS 36
37
38
5
PE / D
00
PE / D
11
PE / D
22
PE / D
33
PE / D
44
PE / D
55
PE / D
66
PE / D
77
PD / D
08
PD / D
19
PD / D
210
PD / D
311
PD / D
412
PD / D
513
PD / D
614
PD / D
715
V
CC
VSS
40 39 44 45 46 47 49 50 51 52 53 54 55 56 58
P3 / TxD
00
P3 / TxD
11
P3 /
RxD
20
P3 /
RxD
31
P3
/
SCK
4
0
P3
/
SCK
51
59 60 61 62 63 64 41 42
VSS
48
VCC
57 43
/ POP2 / TIOCA3
00/ POP2 / TIOCB3
11/ POP2 / TIOCC3/ TMRI
202
/ POP2 / TIOCD3/ TMCI
303
/ POP2 / TIOCA4 / TMRI
414
/ POP2 / TIOCB4 / TMCI
515
/ POP2 / TIOCA5 / TMO
606
/ POP2 / TIOCB5 / TMO
717
P6 / TEND 13
P6 / DREQ12
P6 / TEND 01 / CS5
P6 / DREQ00 / CS4
VSS
VSS
P5 / ADTRG
3
PF / BREQ
0
PF / BACK
1
PF / LWR
3
PF / HWR
4
PF / RD
5
PF / AS
6
PF / ø
7
PF / LCAS
2/ WAIT / BREQO
P5 / SCK
22
P5 / RxD
12
P5 / TxD
02
V
CC
VCC
V
EXTAL
XTAL
STBY
NMI
SS
VSS
VSS
VSS
101
102
100
74
73
72
71
70
69
97
96
95
94
92
91
90
89
88
87
86
85
83
82
81
80
79
78
77
76
99
93
84
75
68
67
66
65
98
127 128 123 122 121 120 118 117 116 115 114 113 112 111 109 108 107 106 105 104 103 126 125 119 110 124
P1 / PO / TIOCB0/ DACK
19 1
P1 / PO / TIOCC0/ TCLKA
210
P1 / PO / TIOCD0/ TCLKB
311
P1 / PO / TIOCA1
412
P1 / PO / TIOCB1/ TCLKC
513
P1 / PO / TIOCB2/ TCLKD
715
P1 / PO / TIOCA2
614
WDTOVF
RES
VCC1
VCC2
VCC3
1
D0 2
D1 3
D2 4
D3 5
6
D4 7
D5 8
D6 9
D7 10
NC 11
NC 12
WE 13
RAS 14
NC 15
NC 16
A0 17
A1 18
A2 19
A3
VSS3
VSS2
VSS1
D15
D14
D13
D12
D11
D10
D9
D8
NC
LCAS
UCAS
OE
A9
A8
A7
A6
A5
A420
21
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
HD6432653BA11F
TMS41816A-60 LH62800K-50
IC DATA
Oct, 1998
A-6

17
●A6-OP1 Multi I/O Expansion Board
*SCSI Connector (25-pin D-SUB type)
*Coaxial Digital In Connector
*Coaxial Digital Out Connector
*XLR Analog In Connector
*XLR Analog Out Connector
*CD, VCR In L, R and MONOTOR, MASTER Out L, R (RCA phono
type)
SPECIFICATIONS A6-OP1
A-6
Oct, 1998
A6-OP1
1. Turn off the A-6. Remove all connecting cables from the A-6.
2. Place the A-6 upside down. Remove the bottom cover.
3. Remove the EXP cover from the A-6.
4. Plug in A6-OP1 connector, with a length of the flat cable bent, intothe
A-6 main board connector. See Fig. 1.
5. Screw-lock the A6-OP1.
6. Attach and secure the A6 bottom cover.
7. Enter the test mode: holding down STATUS (track D) and EFFECTS
(track D) buttons of AUDIO RECORDER/MIXER, turn on the A-6.
Verify that upper-right area of the screen displays "OP-1".
8. Turn off the A-6.
INSTALLING THE A6-OP1

18
Oct, 1998
A-6
PARTS LIST
NOTE:The parts marked # are new (initial parts)
PCB ASSY
# ‰71126790 A6-OP1 I/O BOARD ASSY
JACK SOCKET
00458801 YKC21-3044 PIN JACK JK5
01239890 NC3FAH2-0 CANNON JK1.JK2
00679767 NC3MAH CANNON JK3.JK4
13429314 DBLC-J25SAF-20L9F D-SUB JK6
IC
00893356 SYM53CF92 SIO IC4
15249111 TC7WU04F(TE12L) CMOS IC3
15249112 TC7W32F(TE12L) CMOS IC7
15259706T0 TC74HCU04AF(EL) CMOS IC6
15289105 UPC4570G2-T2 BIPOLAR OP AMP IC8-IC12
00893990 BH9595FP TP SCSI ACTIVE TERMINATOR IC5
00121078 TC9271F(ELP) DIF/TRANSMITTER IC1
01124378 LC8905V-TLM DIF/RECEIVER IC2
TRANSISTOR
15329505 DTC314TKT146 Q1-Q4
DIODE
00673789 SB20-03P-TD SCHOTTKY DIODE D1
15339103 MA153-(TX) DIODE ARRAY D2-D5
CAPACITOR
01564778 RV2-16V100MZ7-R CHEMICAL C101.C102.C105.C106.C107.C108
01347778 6.3CV220BS CHEMICAL C4.C6.C7.C100.C103.C104
# 01565712 RV2-25V330MZ7-R CHEMICAL C10.C12.C15.C17.C22.C23.C28.C29
FILTER
01458667 BLM41P750S FERRITE BEAD L1
CRYSTOL SESONATOR
01342145 MA-406 25.000MHZ TE24 X'TAL X1
SWITCH
# 01565701 SSSS922N-4C2-1* SLIDE SWITCH SW1
CONNECTOR
13369851 PS-50PE-D4T1-B1-K CN1
WIRING CABLE
# 01565390 A6-OP1 WIRING CN3
01452590 WIRING OPTION-A CN1
01452601 WIRING OPTION-B CN2
TRANSFORMER
12449615 PT-10244-615 T1
CHASSIS
# 01564790 A6-OP1 EXP COVER
PACKING
01456334 PACKING CASE
MISCELLANEOUS
# 01569456 SHIELD SHEET
# 01561623 UC-300287 L=10 EMI GASKET
SAFETY PRECAUTIONS:
The parts marked have
safety-related characteristics.
Use only listed parts for
replacement.
!
CONSIDERATIONS ON PARTS ORDERING
When ordering any parts listed in the parts list, please specify the following items in the order sheet.
QTY PART NUMBER DESCRIPTION MODEL NUMBER
Ex. 10 22575241 Sharp Key C-20/50
15 2247017300 Knob (orange) DAC-15D
Failure to completely fill the above items with correct number and description will result in delayed or
even undelivered replacement.
Warring! : There is the possibility that you will burn your hands when you touch Power Supply parts soon after the power supply is turned off.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U19
CIRCUIT BOARD (A6-OP1)
A6-OP1 I/O BOARD ASSY (71126790)
View from component side.
View from foil side.
Oct, 1998
A-6

R2
47K
HCU04
IC6
13 12
IC6
HCU04
3 4
C1
.1
DIGITAL
R
L
OUTPUT
R
L
INPUT
SW1
SSSS922N-4C2-1
4
5
6
IC12
UPC4570
-
+
5
67
NC3MAH
JK4
33 12
NC3MAH JK3
3
2 1
3
SW1
SSSS922N-4C2-1
3
2
1
25M
X1
HCU04
IC6
8 9
/LINE
MIC
UPC4570
IC8
-
+
3
21
R26 8.2K
22KR63
R62 22K
IC11
UPC4570
-
+7
6
5
22KR57
22KR58
1M
R56
100
R54
33/25
C15
+
10P
C33
100
R55
1M
R61
R60
100
IC12
UPC4570
-
+1
2
3
8.2K
R23
10P
C32
33P
C14
8.2KR22
IC11
UPC4570
-
+
3
21
5
4
3
2
1
C23
33/25
+
33/25
C10
+
C7
220/6.3
+
C6
220/6.3
+
C5
.1
220/6.3
C4
+
R11
10K
100K
R10
100
R9
UPC4570
IC10
-
+
5
67
UPC4570
IC10
-
+
1
2
3
IC9
UPC4570
-
+
5
67
IC2
128FS 20
AVOCK
11
BCK 21
CE
15 CKOUT 19
CKSEL 9
CL
14
D0
17 D1
16 DATO 23
DIN1
1DIN2
2
E/D 3
ERROR
24
GND 8
LD
18
LRCK 22
R
5TST1 12
TST2 13
VCO
7
VIN
6
XMODE
10
LC8905V
4
VDD
20
11
21
15 19
9
14
17
16 23
1
2
324
8
18
22
512
13
7
6
10
4
DBLC-J25SAF-20L9F
JK6
20 18 16 15 14 12 10 1 2 3 4 5 6 7 8 9 11 13 17 19 21 22 23 24 25
JK5
YKC21-3044
4
3
JK5
YKC21-3044
1
2
R27
8.2K
C26 33P
33/25
C22
+
C12
33/25
+
-15V
+15V
R21
22K
22K
R20
VCC
MA153D2 1
3
2
33P
C21
10K
R35
S-50PE-D4T1-B1
CN1
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
36
37
38
39
4
40
41
42
43
44
45
46
47
48
49
5
50
6
7
8
9
CN2
1
2
3
4
5
6
7-15V
VCC
VCC
IC1
BCK
BLK
CKA1
CKA2
CKS
COPY CTG1
CTG2
CTG3DATA
DO1
DO2
EMPH
FR32
FS1
FS2 IS1
IS2
LBITLRCK
LRS
M1
M2
UBDA VDD
VLDV
VSS
XI
TC9271F
5
1
26
27
12
921
22
236
15
16
8
24
10
11 19
20
254
3
17
18
228
7
14
13
C104
220/6.3
+
R1
68
+15V
FROM MAIN BOARD CN6
D1
SB20-03P
1 2
7
6
5
4
3
2
1
IC3
TC7WU04F 62
HCU04
IC6 12
IC7
TC7W32F
72
1
D8
D9
D10
D11
D12
D13
D14
D15
D[8:15]
D15 D14 D13 D12 D11 D10 D9 D8 D15 D14 D13 D12 D11 D10 D9 D8
L1
BLM41P750S
21
SD3
GND
PF1
MUTE
RST
GND
A3
SDP SD4
VCC
VCC
VCC
GND
DA1
GND
GND
TERM_PW
GND SD4 SD1 SEL GND ATN GND C/D GND SD7 SD6 SD5 GND SD0 GND BSY ACK RST I/O REQ MSG
10KR8
.1
C109
.1
C110
C111
.1
C114
.1
.1
C113
C112
.1
10/16
C108
+
C3
.1
R7
68
C8
10P C9 10P
VCC
VCC
330
R38
100K
R40
270
R39
C24
100P
Q1
DTC314TK 1
3
2
Q2
DTC314TK 1
3
2100P
C25
270
R42
100K
R43
330
R41
EDA2
EDA1
EDA0
A2
A1
A0
D14
D12
D11
D10
D9
D8
AD1
LRCK
BCK
512FS
MCK
GND
GND
VCC
-15V
+15V
D15
10/16
C101
+
10/16
C106
+
10/16
C107
+
GND
SYI
GND
VCC
VCC
P22
P21
P24
P20
P25
P26
P61
330
R47
100K
R49
270
R48
100P
C31
Q4
DTC314TK 1
3
2
Q3
DTC314TK 1
3
2100P
C30
270
R45
100K
R46
330
R44
33P
C27
GND
VCC
IC4
SYM53CF92
MODE
TESTIN
VDD_1 VDD_2 VDD_3 VDD_4
VSS_1 VSS_2 VSS_3 VSS_4 VSS_5 VSS_6 VSS_7 VSS_8 VSS_9
VSS_10
SD0 SD1 SD2 SD3 SD4 SD5 SD6 SD7
SDP
RST
BSY
SEL
I/O
C/D
MSG
REQ
ACK
ATN
PAD0 PAD1 PAD2 PAD3 PAD4 PAD5 PAD6 PAD7 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 A0 A1 A2 A3 RD WR DBWR INT DREQ DACK CS RESET CLK DBP
41
54
5 17 40 64 1 9 13 21 26 31 36 43 51 59
18 19 20 22 23 24 25 27 28 33 30 35 39 37 34 38 32 29
55 56 57 58 60 61 62 63
6 7 8
10 11 12 14 15 49 50 52 53
46 45
4
42
2
3
47
44
48
16
A0
A1
A2
A3
A0
A[0:4]
A3 A2 A1
IRQ3
CS4
RD
HWR
ELRCK
GND
EBCK
EMCK
GND
10/16
C105
+
PT-10
T1
1
4
6
3
220/6.3
C103
+
220/6.3
C100
+
SCSIDRQ
IC5
BH9595FP-Y
TSD
NC
EN
GND3 GND2 GND1
VM
VDD2 VDD1
T18 T17 T16 T15 T14 T13 T12 T11 T10 T9 T8 T7 T6 T5 T4 T3 T2 T1
25 1 2 27 26 7 24 14 13
6 5 4 3
23 22 21 20 19 18 17 16 15 12 11 10
9 8
ATN ACK REQ MSG C/D I/O SEL BSY S.RST SDP SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0
REQ MSG I/O
S.RST
ACK BSY SD0 SD3 SD5 SD6 SD7 C/D ATN SEL SD1 SD4
REQ C/D MSG S.RST ACK BSY ATN SDP SD7 SD6 SD5 SD4 SD3 SD2 SD0 I/O
SD2 SDP
SD1 SEL
IC6
HCU04
6 5
10/16
C102
+
R3 22K
R4 4.7K
R5 4.7K
R6
150
A19
10K
R37
R34 10K
10KR36
FROM MAIN BOARD CN5
D13
IN VCC
IC7
TC7W32F
5
6
3
R14
820
R13
10K
R15
10K
100P
C11
MA153D3
2
3
1
100P
C13
100P
C18
MA153D5 1
3
2
100P
C16
33/25
C17
+
R19
10K
10K
R17
R18
820
820
R16
MA153D4
2
3
1
C19 33P
R25
22K
+15V
+15V
+15V
+15V
-15V
-15V
-15V
-15V
33/25
C28
+
33/25
C29
+
R31 10K
R32
10K
100K
R33
100K
R30 R29
10K
R28 10K
C20 33P
.1
C115
IN_L
IN_R
OUT_L
OUT_R
GND
22K
R24
A6-OP1 WIRING
10P
C35
10P
C34
R52
10K
10K
R53
R51
10K
R50
10K
100
R59
820
R12
HCU04
IC6
11 10
CN3
5P-SAN
1
2
3
4
5
FROM MAIN BOARD CN14
CS4
IRQ3
SCSIDRQ
HWR
RD
CS4
RD,HWR,IRQ3,CS4,SCSIDRQ
RD HWR
IRQ3
SCSIDRQ
JK1
NC3FAH2-0
21
3
NC3FAH2-0
JK2
33
1 2
UPC4570
IC9
-
+1
2
3
IC8
UPC4570
-
+
5
67
WIRING OPTION-B
C2
.01
C50
100P
SCSI
TC7WU04F
IC3
1 7
TC7WU04F
IC3
53
DIGITAL
OUT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
20
A-6
Oct, 1998
CIRCUIT DIAGRAM
A6-OP1 I/O BOARD ASSY (71126790)