Roland V-Sudio VS-840 Operating and maintenance manual

Feb, 1998
VS-840/840S
TABLE OF CONTENTS Page
SPECIFICATIONS•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••1
LOCATION OF CONTROLS ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••2
EXPLODED VIEW•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••3
BLOCK DIAGRAM ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••4
PARTS LIST•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••5, 6
IDENTIFYING THE VERSION NUMBER•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••7
TEST MODE ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••7~9
VS-840 SYSTEM SOFTWARE UPDATE
USING THE SMF ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••9
SAVING USER AREA ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••9
CIRCUIT DIAGRAM & BOARD ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••10~15
IC DATA••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••16
SPECIFICATIONS (VS4S-1)•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••17
INSTALLING THE (VS4S-1) •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••17
PARTS LIST (VS4S-1)••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••18
CIRCUIT DIAGRAM & BOARD (VS4S-1)••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••18, 19
Printed in Japan (AD00) (CR) AD00 1
17059909
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
●Tracks
Track: 8 V-Track: 64 (8 V-Tracks per each Track)
* Up to 4 tracks can be recorded simultaneously, and up to 8 tracks can be played back
simultaneously.
●Maximum Useful Capacity
Zip Disk: 100 M bytes
●Internal Memory
Songs: 200 (each disk)
●Equalizer
HI, MID, LOW
●Recording Mode
Multitrack 1 (MT1)
Multitrack 2 (MT2)
Live 1 (LV1)
Live 2 (LV2)
●Signal Processing
AD Conversion: 20 bit, 64 times oversampling
DA Conversion: 20 bit, 128 times oversampling
Internal Processing: 24 bit (mixer section)
●Sample Rate
44.1 kHz, 32.0 kHz
●Frequency Response
Sample Rate
44.1 kHz: 20 Hz to 21.0 kHz (+1/-1.5 dB)
32.0 kHz: 20 Hz to 15.5 kHz (+1/-1.5 dB)
●Total Harmonic Distortion
0.08 % or less
(INPUT SENS = -10 dBm, 1 kHz at nominal output level, recording mode: MT1)
●Recording Time (at 100 M bytes, 1 track)
Recording mode Sample rate
44.1 kHz 32.0 kHz
MT1 37 minutes 50 minutes
MT2 50 minutes 68 minutes
LV1 60 minutes 82 minutes
LV2 75 minutes 103 minutes
* The above-listed recording times are approximate. Times may be slightly shorter depending on the
number of songs that were created.
●Nominal Input Level (Variable)
INPUT Jack 1(Guitar(Hi-Z)type): -50 to +4 dBm
INPUT Jack 1 to 4 (1/4 inch phone type): -50 to +4 dBm
INPUT Jack 3 to 4 (RCA phono type): -50 to +4 dBm
●Input Impedance
INPUT Jack 1(Guitar(Hi-Z)type): 1 M ohms
INPUT Jack 1 to 4 (1/4 inch phone type): 20 k ohms
INPUT Jack 3 to 4 (RCA phono type): 20 k ohms
●Nominal Output Level
MON/AUX Jack: -10 dBm
MASTER OUT Jack: -10 dBm
●Output Impedance
MON/AUX Jack: 1.6 k ohms
MASTER OUT Jack: 1.6 k ohms
PHONES Jack: 100 ohms
●Recommended Load Impedance
MON/AUX Jack: 20 k ohms or greater
MASTER OUT Jack: 20 k ohms or greater
PHONES Jack: 8~50 ohms
●Residual Noise Level
MON/AUX Jack: -91 dBm or less
MASTER OUT Jack: -91 dBm or less
(input terminated with 1 k ohms, INPUT SENS: +4 dBm, IHF-A, typ.)
●Interface
DIGITAL OUT: Coaxial (conforms to S/P DIF)
Optical type
●Display
69.0 x 25.0 mm (LCD with Back Light)
●Connectors
MIDI Connectors (IN, OUT)
DIGITAL OUT Connectors (Coaxial type, Optical type)
FOOT SWITCH Jack (1/4 inch phone type)
PHONES Jack (Stereo 1/4 inch phone type)
INPUT Jack 1 (Guitar (Hi-Z) 1/4 inch phone type)
INPUT Jack 1 to 4 (1/4 inch phone type)
INPUT Jack 3 to 4 (RCA Phono type)
MON/AUX Jack A, B (RCA Phono type)
MASTER OUT Jack L, R (RCA Phono type)
SCSI Connector (VS-840S only)
●Power Supply
AC 117 V, AC 230 V, AC 240 V
●Power Consumption
20 W
●Dimensions
410 (W) x 307 (D) x 88 (H) mm
16-3 / 16 (W) x 12-1 / 8 (D) x 3-1 / 2 (H) inches
●Weight
4.5 kg/9 lbs 15 oz (VS-840)
4.7 kg/10 lbs 6 oz (VS-840S)
●Accessories
AC CORD 117V SP301+IS14SJT 18/3 (00894378)
230V SP22+IS14 H05VV-F3G1.0 (00894389)
230VE KP-610 GTBS-3 KS-31A (00907001)
AC CORD 230VA SC-114-J01 ES303-10HMA (23495124)
VS-840 OWNER'S MANUAL SET (English) (70909278)
VS4S-1 OWNER'S MANUAL (English) (VS-840S only) (71120301)
ZIP-DISK DEMO SONGS (71017756)
ZIP ATTENTION CARD (English) (01569823)
●Options
VS-840 SCSI Board : VS4S-1 (VS-840 only)
0dBm=0.775V rms
* In the interest of product improvement, the specifications and/or appearance of this unit are subject
to change without prior notice.

2
Mar, 1998
VS-840/840S
Push Switch
SDDLB1-A-D-2
(13129139)
MIDI Jack
YKC51-5054
(13429825)
Stereo Jack
LGR4609-7000
(00569278)
Pin Jack
YKC21-3872
(01239134)
Pin Jack
YKC21-3117
(01343723)
Optical Jack
TOTX178
(01239078)
AC Inlet
VS-880 WIRING WITH INLET
(00902801)
D-SUB Connector *VS-840S only
DBLC-J25SAF-20L9F
(13429314)
SCSI Holder *VS-840S only
(01344656)
Keytop
FS-BUTTON MX BLK
(22495565)
BOTTOM COVER
(01239223)
Rubber Foot
FF-009
(01345856)
LOCATION OF CONTROLS
Knob
P R-KNOB SF-A MCG/LCG(01347289)
Pot
RK09K1130 100KRD(01458078)
RK09K120 10KA(01239145)
Knob
F S-KNOB M LCG/DCG(22485202)
F S-KNOB M MRD/LCG(01345878)
Slide Pot
EWA POA C10 B54
(01231378)
Tact Sw
EVQ11A(01340290)
LED
SPR-39MVW 2color (00127367)
SLR-332VC-TG7 Red (01340312)
SLR-332DC Orange (01340323)
TOP CASE(01239201)
TOP PANELA(01239212)
VS-840 LED LABEL(40238690)
Knob
P R-KNOB SF-A MCG/LCG(01347289)
Pot
RK09K1130 50KB(01239067)
LED
SLR-332MG Green (01343756)
SLR-332VR Red (01343734)
Keytop
KEYTOP RESET(00901445)
KEYTOP FWD/RWD(00901423)
KEYTOP STOP(00901390)
KEYTOP PLAY(00901401)
KEYTOP REC(00901412)
Tact Sw
SKECAF(00894645)
DISPLAY COVER(01560756)
LCD
RCM6034T-1A(01458989)
TOP PANEL B(01239334)
Knob
D R-KNOB L MCG(00677223)
Encoder
EC16B24204(01231367)
ZIP DRIVE (#01340867)
(REAR VIEW)
(TOP VIEW)
(SIDE VIEW)

3
EXPLODED VIEW
VS-840/840S
Mar, 1998
[PARTS]
No. Part Code Part Name
A40012534 SCREW BINDIG S-TITE M3x6 BZC
B40012512 SCREW BINDIG S-TITE M3x6 ZC
C40012523 SCREW BINDIG S-TITE M4x6 ZC
D40011356 SCREW PAN S-TITE W/INTERNAL
TOOTH WASHER M4x8 BZC
E40011312 SCREW BINDIG P-TITE M3x8 BZC
F40011278 SCREW BINDIG P-TITE M3x8 ZC
G40011289 SCREW BINDIG P-TITE M3x10 ZC
H40238501 SCREW BINDIG P-TITE M4x8 BZC
I40011490 SCREW PAN SEMS M3x6 BZC
No. Part Code Part Name
q01345856 FF-009
w01239223 BOTTOM COVER
e01451678 KW1AA265
r01239301 VS-840 WIRING PS-MAIN
t22495565 F S-BUTTON MX BLK
y01455867 ESD-SR-12
u00902801 VS-840 INLET WITH GND WIRING
i01239178 VS-840 WIRING PS-INLET
o13129139 SDDLB1-A-D-2
!0 01239267 EXP COVER (VS-840 only)
!1 71017390 VS4S-1 SCSI BOARD ASSY (VS-840S only)
!2 01453367 FUJI CARD 25X120-A6.0BBR-P1.25-HBL10
!3 01239189 PWR SPLY HOLDER
!4 71122767 IF BOARD (on SW SHEET ASSY)
!5 70902056 MAIN BOARD ASSY
!6 01010656 FUJI CARD 14X125-A6.0BB-P1.25
!7 01239256 DD HOLDER
!8 01340867 ZIP DRIVE
!9 01239312 VS-840 WIRING IDE
@0 01239501 VS-840 WIRING ZIP POWER
@1 01239245 SHIELD COVER
@2 01239289 VS-840 WIRING INPUT(8-6)SHIELD
@3 01342078 VS-840 WIRING INPUT(9-7)SHIELD
@4 13479963 FUJI CARD 16X120-A6.0BB-P1.25-HBL10
@5 01453367 FUJI CARD 25X120-A6.0BBR-P1.25-HBL10
@56 71122767 SW BOARD (on SW SHEET ASSY)
71122767 ENC BOARD (on SW SHEET ASSY)
@7 01458989 RCM6034T-1A
@8 01342090 FUJI CARD 18X120-A6.0BB-P1.25-HBL10
@9 01239201 TOP CASE
#0 40238690 VS-840 LED LABEL
#1 01560756 DISPLAY COVER
#2 01239334 TOP PANEL B
#3 00677223 D R-KNOB L MCG
#4 01347289 P R-KNOB SF-A MCG/LCG
#5 00901423 KEYTOP FWD/RWD
00901401 KEYTOP PLAY
00901412 KEYTOP REC
00901445 KEYTOP RESET
00901390 KEYTOP STOP
#6 01345878 F S-KNOB M MRD/LCG
22485202 F S-KNOB M LCG/DCG
#7 01239212 TOP PANEL A
#8 40238545 CAUTION LABEL SHOCK HAZARD & ICES
!
!
!

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
LCD
MIDI IN/OUT
CIRCUIT
PLL
CPU
1
111
524
222
524
FADER
M
U
L
T
I
P
L
E
X
FOOT SW
2
4
1
ZIP
DRIVE
16M DRAM
IC31
FLASH
MEM.
IC44
CN4
for VS4S-1
CN2
from VS-840
VS4S-1 BLOCK DIAGRAM
SCSI IF
IC2
IC1
TERMINATER
D-SUB 25
CN2
ENC LED
SCAN
SW
SCAN
1 2
1 2
DIGITAL
OUT IF
/DA
AD
/DA
AD
GATE
ARREY
DSP 4M DRAM
VS-840/VS-840S
BLOCK DIAGRAM
PEAK
PEAK
PEAK
PEAK 13
2
13
2
13
2
13
2
SENS.
GUITAR IN
INPUTS
MASTER OUT
INPUTS
MON/AUX
PHONES
1
3
2
21
22
11
12
21
22
11
12
1
3
2
1
3
2
1
3
2
1
3
2
1
4
2
2 1
3
1 3
2
1 3
2
LEVEL
SELECT
SIGNAL
(OPTICAL)
(COAXIAL)
DIGITAL
OUTPUT
BLOCK DIAGRAM
VS-840/840S
Feb, 1998

PARTS LIST
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.
# 00899812 LH28F800SUT-70 8M FLASH ROM IC44 on MB
01238101 AK4520AVF-E2 AD/DA IC38.IC39 on MB
15259865T0 TC74HC4053AF ANALOG MULTIPLEXER IC20.IC45 on MB
15259883 TC7S00F NAND GATE IC14 on MB
15259885 TC7S32F OR GATE IC13 on MB
15249111 TC7WU04F INVERTER IC12 on MB
15249121 TC7W04F INVERTER IC33 on MB
00127490 TC7W08F AND GATE IC15 on MB
15249112 TC7W32F OR GATE IC30 on MB
# 01341578 TC74VHC14F SCHMITT TRIGGER INVERTER IC29 on MB
# 01341567 TC74VHC163F COUNTER IC16.IC17.IC18 on MB
15259738T0 TC74HC138AF DECODER IC9 on MB
00231878 TC74VHC00F INVERTER IC11 on MB
00567534 TC74VHC138F DECODER IC22.IC24 on MB
00236845 TC74VHC245F BUS TRANSCEIVER IC7.IC8 on MB
00564534 TC74VHC574F D-FLIP FLOP IC23 on MB
15169548T0 TC74HC14P SCHMITT TRIGGER INVERTER IC3 on IB
15289105 UPC4570G2 OP.AMP ALL OP.AMP on MB
15199251 TA78L005AP REGULATOR IC46 on MB
15199231 UPC78L05J REGULATOR IC47 on MB
00121078 TC9271F DIF TRANSMITTER IC28 on MB
# 01124367 TLC2933IPW PLL IC5 on MB
00564690 TC9246F PLL IC3 on MB
15289123 M51953AFP-600C RESET IC IC2 on MB
# 01239101 TD62083AF TRANSISTOR ARRAY IC25 on MB
# 01239123 TD62787AF TRANSISTOR ARRAY IC34 on MB
00893356 NCR53CF92 SCSI I/O IC2 on SCB
15249111 TC7WU04F INVERTER IC3 on SCB
00893990 BH9595FP SCSI ACTIVE TERMINATOR IC1on SCB
OPTICAL DEVICE
# 01239078 TOTX178 DIGITAL OUT (OPTICAL) IC1 on IB
15229706S0 PC910X PHOTO COUPLER IC2 on IB
# 01340323 SLR-332DC LED (ORANGE) on SB
# 01340312 SLR-332VC-TG7 LED (RED) on SB
# 01343734 SLR-332VR LED (RED) D97 on SB
# 01343756 SLR-332MG LED (GREEN) D68 on SB
00127367 SPR-39MVW LED (RED/GREEN) on SB
# 01343767 SLR-332VC-TC7 LED (RED) D71 on EB
# 01343778 SLR-332MC LED (GREEN) D75 on EB
TRANSISTOR
# 15309109 2SA1162-GR PNP Q25 on MB
# 15319118 2SC2712-GR NPN Q24 on MB
15319107 2SC4116-GR NPN Q15-Q22.Q26 on MB
15329103T0 2SK880-GR FET Q8-Q12 on MB
15329533 RN2307 PNP Q2.Q13.Q14 on MB
# 15239102 DTC314TK NPN Q4-Q7 on MB
15329521 RN1307 NPN Q1.Q23 on MB
15119132 2SA1015-GR PNP Q1 on IB
DIODE
15339119T0 1SS352 SWITCHING DIODE ALL DIODE on MB
15019126 1SS133 SWITCHING DIODE ALL SWITCHING DIODE on SB.IB
00128045 S2S6M-4001P12.5 SCHOTTKY DIODE D1 on SCB
RESISTOR
# 01341878 RSS1 L12.5 680J 1/2W R120 on MB
# 01129856 RSS2 L15 221J 1/2W R188 on MB
00126112 EXBV8V101JV RESISTOR ARRAY RA1-RA16.RA26 on MB
00126134 EXB-A10E103J RESISTOR ARRAY RA21-RA25 on MB
POTENTIOMETER
# 01458078 RK09D1130 100KRD ROTARY POT INPUT SENS
# 01239067 RK09K1130 50KB ROTARY POT TRACK CUE
# 01239145 RK09K120 10KA ROTARY POT PHONES
# 01231378 EWA-P0AC10B54 50KB SLIDE POT FADER
CAPACITOR
13519452 DD306-959F104Z25 0.1uF/25V CERAMIC C137 on MB
# 01341423 ECST1EY474R 0.47uF/25V TANTALUM C26 on MB
00347223 ECST0JY106R 10uF/6.3V TANTALUM OTHER ALL TANTALUM CAPACITOR
INDUCTOR
13529145 DSS306-55FZ103N100 EMI FILTER EMI1.EMI2 on MB
00903167 N2012Z601 FERRITE BEAD
13529247 DSS306-91FZ103N100 EMI FILTER FL3-FL7 on IB
12449268 BL02RN2-R62 FERRITE BEAD FL1.FL2 on IB
01340834 EXC ML20A390 FERRITE BEAD L1.L2 on SCB
# 01455867 ESD-SR-12 FERRITE CORE on WIRING PS-MAIN
CRYSTAL
00894023 MA-406 20.000MHZ X'TAL X1 on MB
# 01342145 MA-406 25.000MHZ X'TAL X1 on SCB
ROTARY ENCODER
# 01231367 EC16B24204 (L=15) ROTARY ENCODER EN1 on EB
TRANSFORMER
12449615 PT-10244-615 PULSE TRANS. T1 on IB L3 on SCB
CONNECTOR
13379153 IL-FPC-18ST-N CN5.CN6 on MB
13379151 IL-FPC-14ST-N CN14 on MB
13379152 IL-FPC-16ST-N CN7 on MB
13369595 B3B-XH-A CN15 on MB
13369592 B7B-XH-A CN12 on MB
00453467 IL-FPC-25ST-N CN4 on MB CN1 on SCB
13439297 IL-S-8P-S2T2-EF CN13 on MB
13439345 IL-S-9P-S2T2-EF CN11 on MB
# 01231345 PS-40PE-D4T1-B1 CN2 on MB
13369793 52030-1610 CN1 on MB
13369600 52147-0510 CN8 on MB
13369601 52147-0610 CN10 on MB
13379157 IL-FPC-16SL-N ANGLE CN2 on SB
13379158 IL-FPC-18SL-N ANGLE CN1.CN4 on SB
13439351 IL-S-6P-S2L2-EF ANGLE CN6 on SB
13439352 IL-S-7P-S2L2-EF ANGLE CN5 on SB
00453467 IL-FPC-25ST-N CN1 on SCB
5
NOTE:The parts marked # are new (initial parts)
CASING
# 01239201 TOP CASE
# 01239223 BOTTOM COVER
# 01560756 DISPLAY COVER
# 01239245 SHIELD COVER
# 01239212 TOP PANEL A MIXER PART
# 01239334 TOP PANEL B RECORDER PART
HOLDER
# 01239256 DD HOLDER
# 01239189 PWR SPLY HOLDER
# 01344656 SCSI HOLDER *VS-840S only
# 01239267 EXP COVER *VS-840 only
KNOB, BUTTON
00901423 KEYTOP FWD/RWD FWD/RWD
00901401 KEYTOP PLAY PLAY
00901412 KEYTOP REC REC
00901445 KEYTOP RESET ZERO
00901390 KEYTOP STOP STOP
22495565 F S-BUTTON MX BLK POWER
# 01347289 P R-KNOB SF-A MCG/LCG INPUT SENS/PHONES/TRACK CUE
00677223 D R-KNOB L MCG TIME/VALUE (ROTARY ENCODER)
01345878 F S-KNOB M MRD/LCG MASTER FADER
22485202 F S-KNOB M LCG/DCG OTHER FADERS
SWITCH
00894645 SKECAF TACT SWITCH ZERO/REW/FF/STOP/PLAY/REC
# 01340290 EVQ11A TACT SWITCH
13129139 SDDLB1-A-D-2 (TV5 5A/250V) AC PUSH SWITCH POWER SW
JACK, SOCKET
# 01239134 YKC21-3872 INPUT/MON/AUX/MASTER OUT JK10 on MB
00569278 LGR4609-7000 INPUT/PHONES/FOOT SW JK4-JK9 on MB JK2 on IB
13429825 YKF51-5054 MIDI JK3 on IB
# 01343723 YKC21-3117 DIGITAL OUT (COAXIAL) JK1 on IB
00902801 INLET (WITH GND WIRING)
DISPLAY UNIT
# 01458989 RCM6034T-1A LCD UNIT
NOTE : Replacement LCD UNIT should be made on a unit basis. No replacements available for individual parts. Replacement only by a unit.
ZIP DRIVE
#‰01340867 ZIP DRIVE
NOTE : Replacement ZIP DRIVE should be made on a unit basis. No replacements available for individual parts. Replacement only by a unit.
PCB ASSY
#‰70902056 MAIN BOARD ASSY
# 71122767 SW SHEET ASSY (Include SB.IB.EB ASSY)
NOTE : Replacement SW SHEET ASSY includes the following parts.
# ******** ENC BOARD
# ******** IF BOARD
# ******** SW BOARD
# 71017390 SCSI BOARD ASSY *VS-840S only
POWER SUPPLY UNIT
# 01451678 KW1AA265 SWITCHING REGULATOR
NOTE : Replacement SWITCHING REGULATOR should be made on a unit basis. No replacements available for individual parts. Replacement only by a unit.
IC
# 01341789 HD6432655F CPU IC1 on MB
00892556 TC170C140AF-003 CUSTOM DSP IC6 on MB
# 01231334 SLA919FF0J CUSTOM GATE ARRAY IC27 on MB
# 01231434 HM5118160J-6 16M DRAM IC31 on MB
01120523 HM514800DJ6Z 4M DRAM IC19 on MB
!
VS-840/840S
Mar, 1998
!
!
MB ===> MAIN BOARD IB ===> IF BOARD SCB ===> SCSI BOARD
SB ===> SW BOARD EB ===> ENC BOARD

6
13429314 DBLC-J25SAF-20L9F D-SUB 25PIN CN2 on SCB
WIRING
23503682 KM-25B WIRING A RIBBON CABLE CN3 on SB
01236934 5X125-P2.0 RIBBON CABLE CN7 on SB
# 01345590 6X60-P2.0 RIBBON CABLE CN9 on SB
# 01239301 VS-840 WIRING PS-MAIN SWITCHING REGULATOR-CN12 on MB
# 01239501 VS-840 WIRING ZIP POWER CN15 on MB-ZIP
# 01239312 VS-840 WIRING IDE FLAT CABLE CN2 on MB-ZIP
# 01239289 VS-840 WIRING INPUT(8-6)SHIELD CN13 on MB-CN6 on SB
# 01342078 VS-840 WIRING INPUT(9-7)SHIELD CN11 on MB-CN5 on SB
# 01342090 18X120-A6.0BB-P1.25-HBL10 FUJI CARD CN5 on MB-CN1 on SB
00902801 VS-880 WIRING WITH INLET INLET
# 01239178 VS-840 WIRING PS-INLET CONNECTOR
# 01239290 VS-840 WIRING SW-INLET BLACK
01010656 14X125-A6.0BB-P1.25 FUJI CARD CN14 on MB-CN10 on IB
13479963 16X120-A6.0BB-P1.25-HBL10 FUJI CARD CN7 on MB-CN2 on SB
# 01453367 25X120-A6.0BBR-P1.25-HBL10 FUJI CARD CN4 on MB-CN1 on SCB
SCREWS
40012523 SCREW BINDING S-TITE M4x6 ZC
40011356 SCREW PAN S-TITE W/INTERNAL TOOTH WASHER M4x8 BZC
40012534 SCREW BINDING S-TITE M3x6 BZC
40012512 SCREW BINDING S-TITE M3x6 ZC
# 40238501 SCREW BINDING P-TITE M4x8 BZC
40011278 SCREW BINDING P-TITE M3x8 ZC
40011312 SCREW BINDING P-TITE M3x8 BZC
40011289 SCREW BINDING P-TITE M3x10 ZC
40011490 SCREW PAN SEMS M3x6 BZC
PACKING
# 01342067 VS-840 PAD SET
# 01457590 VS-840 PAD C
# 01239167 VS-840 PACKING CASE
# 40239545 VS-840S SEAL *VS-840S only for PACKING CASE
MISCELLANEOUS
13429295 51048-0600 CABLE HOLDER CN8 on EB CN3.CN9 on SB
13429294 51048-0500 CABLE HOLDER CN7 on SB
# 01453956 VS4S-1 SHIELD SHEET
40016589 NRP-355 BLACK NYLON RIVET
40016512 T-18S 80M/M for FIXING FERRITE CORE
# 40238223 LH-36-7 LED SPACER for LED (RED/GREEN)
01345856 FF-009 RUBBER FOOT
# 40238690 VS-840 LED LABEL for TOP PANEL A & B
# 40238545 CAUTION LABEL SHOCK HAZARD & ICES for BOTTOM COVER
ACCESSORIES
00894367 AC CORD 100V SP18A+IS14 VCTF2x0.75
00894378 AC CORD 117V SP301+IS14SJT 18/3
00894389 AC CORD 230V SP22+IS14 H05VV-F3G1.0
00907001 AC CORD 230VE KP-610 GTBS-3 KS-31A
23495124 AC CORD 230VA SC-114-J01 ES303-10HMA
# 71017756 ZIP-DISK DEMO SONGS
# 70902023 VS-840 MANUAL SET JAPANESE
# 70909278 VS-840 MANUAL SET ENGLISH
# 71019856 VS4S-1 MANUAL JAPANESE *VS-840S only
# 71120301 VS4S-1 MANUAL ENGLISH *VS-840S only
# 01569812 ZIP ATTENTION CARD JAPANESE
# 01569823 ZIP ATTENTION CARD ENGLISH
40232334 (JAPAN ONLY)
Mar, 1998
VS-840/840S
!
!
!
!
!
!
!
!

7
CHECKING THE SOFTWARE VERSION NUMBER
Holding down MONITOR SEL and SOLO buttons, turn on VS-840.
The version number will appear on the LCD panel.
■In the test mode, the following circuits are checked.
Digital block:
CPU
16M DRAM (for CPU)
8M flash ROM
DSP
4M DRAM (for DSP)
Gate array
A/D , D/A
LED matrix
Switch matrix
Digital out
Timing generator ( PLL block )
Digital volume control
SCSI IF block (VS-840S only)
Analog block:
Input -> Input Sens -> A/D
|
-> Peak LED drive
D/A ->-> Mute ->->-> Output
|
-> Phones select -> Phones VR -> Phones amp -> Phones out
■Setting up VS-840 for test
INPUT SENS - 1, 2, 3, 4 : MIN.
PHONES : MAX.
FADER - 1, 2, 3, 4, 5/6, 7/8, MASTER : MIN.
TRACK CUE - 1, 2, 3, 4, 5/6, 7/8 : MIN.
NOTICE : Insert a Blank ZIP DISK ( P/No. 01343023 ) formatted by VS-
840 into the internal drive before testing.
If it is necessary to check the connection with on external ZIP
Drive ,connect it before the VS-840S is turned on.
■Starting the test program
Holding INPUT, EQ and EFFECT LEVEL buttons simultaneously, turn
on VS-840.
The test program will display the test options:
0: Auto Check
1: Memory Check
2: GA Check
3: DSP Check
4: LCD Check
5: SW Check
6: LED Check
7: Encoder Check
8: Fader Check ( incl. Track Cue )
9: MIDI Check
10: SCSI Check ( VS-840S only )
11: Audio Check
Select the desired test option with TIME/VALUE dial (normally, 0: Auto)
and then press REC button.
0: Auto Check
Test program 1: Starts with memory check and will display "OK" for 2
seconds if the test is successful. And then will proceed to the next
test, if possible. The program will display "Error" if a test fails and
then abort the test.
To force the program to proceed to the next test, press REC button.
1: Memory Check
External DRAM (16M) and CPU RAM
The program writes data (0xAA, 0x55) into each memory location
and then reads back the data for verification.
If the test is successful, the program displays "OK" and proceeds to
the test 2.
2: GA Check
The program checks the data transfer line between the gate array
and CPU.
If the test is successful, the program displays "OK" and proceeds to
the test 3.
3: DSP Check
The program checks the DSP internal memory and 4M DRAM.
If the test is successful, the program displays "OK" and proceeds to
the test 4.
4: LCD Check
Verify that all segments are uniformly turned on.
Press PLAY button to start the contrast test.
Verify that entire LCD screen automatically changes from dark to
light and then back to dark.
Press REC button to start the test 5.
5: SW(itch) Check (including foot switch)
Press the button whose name is displayed on the LCD. If the button
is OK, the next button name is displayed. Press the corresponding
button.
Repeat the test until REC button is indicated. The program proceeds
to the test 6.
6: LED Check
Verify that the LEDs are fully turned on at the same intensity.
Press the following buttons and verify state change of the LEDs.
[ZERO] : off
[REW] : solid light in red
[FF] : solid light in green
[STOP] : solid light in orange
[PLAY] : solid light
The program will proceed to the test 7.
7: Encoder Check
Turn the TIME/VALUE dial clockwise 10 clicks or more.
Turn the dial counterclockwise 10 clicks or more.
The program will display "OK" and proceed to the test 8.
VS-840/840S
Mar, 1998
TEST MODE

8
8: Fader Check (incl. Track Cue)
Turn the potentiometers - faders 1 through 7/8, TRACK CUE 1
through 7/8 from minimum level to maximum level, one by one as
indicated on the LCD.
When all potentiometers pass the test, the program displays "OK"
and proceeds to the test 9.
9: MIDI Check
Connect MIDI IN and OUT through a MIDI cable. The test data is
automatically verified.
The program will display "OK" and proceed to the test 10.
10: SCSI Check (skip if VS-840)
Insert a blank ZIP DISK (for test) into the ZIP drive ( ID No.6, ZIP-
EXT-1S/2S ) and then connect the drive to SCSI IF connector.
The program starts data verification.
After verification, the program displays "OK" and proceeds to the test
11.
11: Audio Check
Note: First read through procedures in this test to minimize repetition
of steps.
Set an audio generator: 200 Hz, rectangular, 1.5 Vpp.
Set INPUT SENS to +4 dBm; CH and MASTER faders to "0
dB".
Input the signal to INPUT sockets 1, 2, 3 and 4 one by one and
observe the signal at the corresponding OUT socket on an
oscilloscope.
Verify that:
Signal at MASTER OUT L and R are identical to that on INPUT
3 and 4, respectively.
Signal at MON/AUX A and B are identical to that on INPUT 1
and 2, respectively.
Repeat the above steps but set the generator frequency at 500
Hz.
Note: INPUT 1 and GUITAR IN (high Z) are internally connected in
parallel with INPUT 1 given priority over GUITAR IN.
INPUT 3 and 4 are internally connected in parallel with pin socket
with the standard socket given priority over pin socket.
.Check the following with MUTE OFF/PHONES (AUX).
INPUT SENS: While monitoring output, turn INPUT SENS knob fully
CW and CCW and verify smooth peak level change.
Verify that AUX signal is sent to PHONES output. Turning PHONES
knob CW and CCW, verify smooth level change.
PEAK LED
Check that the LED turns on at around the middle of INPUT SENS
travel range.
Press REC button.
MUTE OFF/PHONES (MST)
Insert headphones and verify that the master signal is sent to the
PHONES out.
.Check Residual noise
Set the product:
INPUT SENS: +4dBm
CH SELECT: INPUT (orange)
INPUT CH: Open
Connect an appropriate noise metering instrument e.g. noise meter
to the corresponding OUT: MASTER R and L, MONI/AUX A
and B.
With the meter connected to one of the OUTs specified above, verify
that meter readings are less than -87 dBm (IHF-A).
Repeat noise reading for the OUT: MASTER R and L, MONI/AUX A
and B.
Press REC button.
MUTE ON/PHONES (MST)
Verify that the signal indicated on the LCD is muted.
■Exiting the test program
Simply turn off VS-840.
Turn on VS-840. It should start with the opening screen and necessary
startup information.
■Checking in operation mode
Checking ZIP drive
Insert the Demo ZIP DISK ( P/No. 71017756 ) into VS-840 ZIP drive
,and play the Demo Song.
Checking VARI PITCH
Press SHIFT and VARI PITCH buttons. Turning TIM/VALUE dial and
verify pitch change.
Checking ZIP DISK injection
Stop the test disk. Press the ZIP drive inject button and remove the ZIP
DISK.
This completes the tests in this section.
Prepare a Blank ZIP DISK ( P/No. 01343023 ) formatted by VS-840.
Before troubleshooting, back up user data onto the ZIP DISK, and
reload the saved data afterward by following the procedure
below.
■Saving user area data backup file
1. Holding down PLAY, REC and TRK3 buttons, turn on VS-840.
2. The LCD will display the message "User FILE Wr?" Insert the ZIP
DISK into the drive and then press YES button. The backup file will
be created on the disk. Remove the disk.
■Loading user area data backup file
1. After completing troubleshooting (e.g. replacement of a PCB), insert
the ZIP DISK and then turn on VS-840.
2. The LCD will display the message "User Area Load?". Press YES
button to load the backup data.
VS-840/840S
Mar, 1998
SAVING USER DATA & RELOADING SAVED DATA

9
■Deleting user area data backup file
1. Insert the ZIP DISK containing the backup file into the drive. Holding
down PLAY, REC and TRK4, turn on VS-840.
2. The LCD will display the message "User FILE Del?". To delete the
file, press YES button.
* CAUTION!!
Do not turn off the VS-840 during it's system software updating.
If not, the program in the flash memory is destroyed. In this case,
perform the compelling version-up procedure in order to recover it.
■The VS-840 system software is supplied in the standard MIDI file
(SMF) data format. (P/No. 17048692)
Each system disk contains the following SMF data. Load these data to
VS-840, starting with Disk 1 (VS-840-1.MID).
VS-840 System Ver.*.** SMF Disk 1 VS-840 System Ver.*.** SMF Disk 2
VS-840-1.MID VS-840-5.MID
VS-840-2.MID VS-840-6.MID
VS-840-3.MID VS-840-7.MID
VS-840-4.MID VS-840-8.MID
Update the VS-840 by following the procedure described below.
1. Connect the MIDI OUT of a MIDI sequencer capable of playing back
SMF data in sequence (e.g. SB-55) to MIDI IN of VS-840, through a
MIDI cable.
2. Holding MODE, INPUT and ENTER buttons, turn on VS-840.
3. The message "Receive MID-EX?" will be displayed. Press YES
button.
4. Verify that "Now Waiting ..." is displayed. Playback all SMFs in the
order of number.
5. The message "Version Up?" will appear. Press YES button.
6. The message "User Area Update?" will appear. Press YES button.
7. When the message "END!!! Please POWER OFF/ON" appears.
Turn off and then on VS-840.
This completes updating.
■Initialization, User area, VS-840 system software update using the
ZIP DISK. (P/No. 17048691)
VS-840 can also be updated by using the System Data ZIP DISK.
When using the ZIP DISK, VS-840 can be upgraded either of the
following two ways.
1. Using standard version-up procedure
This procedure keeps the user data unchanged (no initialization).
2. To initialize the user data or loading the factory presets, the
compelling version-up procedure must be followed
. Standard version-up procedure
1. Insert the latest System Data ZIP DISK into VS-840 ZIP drive. Turn
on VS-840.
2. The message "Version up?" appears. Press YES button.
3. When the message "Are you sure?" appears, press YES button.
The program displays "SYSTEM WRITE", indicating it starts
version-up sequence.
4. Upon "END!!! Please POWER OFF/ON" message, turn off and then
on VS-840.
This completes updating.
. Compelling version up
1. Holding down TR1, TR2, TR3, TR4 and RIGHT buttons, turn on VS-
840.
2. The message "Clear Flash?" will appear. Press YES button.
3. The message "Are you sure?" will appear. Press YES button.
4. The program displays "SYSTEM WRITE", indicating that it is
clearing flash memory.
5. Upon "END!! Please POWER OFF/ON" message, turn off VS-840.
6. Insert the System Data ZIP DISK into the drive. Holding down
PLAY, REC and ENTER buttons, turn on VS-840.
7. The program displays "BAD FLASH!!" and then "SYSTEM WRITE",
indicating that it is starting compelling version-up sequence.
8. Upon "END!!!! Please RESET!" message, turn off and then on VS-
840.
This completes compelling updating.
■To recover the unit after Error Message has been displayed
When error message "Don't match CPU" or "Can't Version Up" has
been displayed and locks up from the power off during Eject or Shut
down, you need to re-load the System program. Please refer to the
following procedure.
1. Insert the System Data ZIP DISK into the VS-840 drive and then
turn on the VS-840.
2. The display may show "BAD FLASH!!" and then "SYSTEM WRITE.
*". The compelling version-up starts.
3. After "END!!!! Please, RESET!" is displayed, turn the power off and
on again.
4. Complete.
VS-840/840S
Mar, 1998
VS-840 SYSTEM SOFTWARE UPDATE

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CIRCUIT DIAGRAM & BOARD
MAIN BOARD ASSY (70902056)
component side
Mar, 1998
VS-840/840S

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Mar, 1998
VS-840/840S
MAIN BOARD ASSY (70902056)
solder side

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Mar, 1998
VS-840/840S
SW SHEET ASSY (71122767)
(INC. SW BOARD, IF BOARD, ENC BOARD)
component side
IF BOARDSW BOARD ENC BOARD

Mar, 1998
VS-840/840S
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
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N
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U
29 30 31 32 33 34 35 36 37 38 39 40 41 42
V
W
X
Y
Z
C327 to C334:0.01
C99 0.1
V
C
C
9
G
N
D
1
0
I1
1 I2
2 I3
3 I4
4 I5
5 I6
6 I7
7 I8
8 O8 11
O7 12
O6 13
O5 14
O4 15
O3 16
O2 17
O1 18
IC34
TD62787AF
C100
0.1
C327 C329 C331 C333
C334C332C330C328
for SW
1 8
2 7
3 6
4 5
RA1
100
1 8
2 7
3 6
4 5
RA2
100
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
CN6
IL-FPC-18ST-N
C97
0.1
C312
C313
C314
C315 C316 C317 C318
C306
C307
C305
C304
C
3
B
2
A
1
G2B
5
G2A
4
G1
6
Y7 7
Y6 9
Y5 10
Y4 11
Y3 12
Y2 13
Y1 14
Y0 15
V
C
C
1
6
G
N
D
8
IC22
74VHC138
LS0
LS1
LS2
C312-318:0.01
C304-307,
C61
0.1
1 8
2 7
3 6
4 5
RA3
100
1 8
2 7
3 6
4 5
RA4
100
C37
0.1
C38
0.1
C39
0.1
C40
0.1
C53
0.1
C54
0.1
C55
0.1
C42
0.1
C43
0.1
C44
0.1
C45
0.1
C46
0.1
C47
0.1
C48
0.1
C56
0.1
C58
0.1
C59
0.1
C60
0.1
C
3
B
2
A
1
G2B
5
G2A
4
G1
6
Y7 7
Y6 9
Y5 10
Y4 11
Y3 12
Y2 13
Y1 14
Y0 15
V
C
C
1
6
G
N
D
8
IC24
74VHC138
PD0
PD1
PD2
PD3
PD4
PD5
PD6
SS2
SS1
SS0
SSEN
IRQ2 : SCSI
IRQ3 : IDE
IRQ1 : DSP
C35
0.1
C36
0.1
C51
0.1
C52
0.1
C50
0.1
CS1 : GA_CS1
CS2 : DRAM(16M)
CS3 : IDE
CS4 : DSP
CS5 : LCD
CS6 : SCSI
CS7 : GA_CS2
CS0 : 100000H - 1FFFFFH / FLASH MEMORY
CS0 : 000000H - 0FFFFFH / EXT ROM
C33
0.1
C109
0.1
8
4
IC33D
TC7W04F
12 IC29A
74HC14
1312 IC29F
74HC14
for LCD
1 8
2 7
3 6
4 5
RA14
100 1 8 2 7
3 6
4 5
RA15
100
2
1
C111
10/16
C79
0.1
1 8
2 7
3 6
4 5
RA16
100
LD0
LD1
LD2
LD3
LD4
LD5
LD6
LD7
L_RD
11
22
33
44
55
66
77
88
99
10 10
11 11
12 12
13 13
14 14
15 15
16 16
CN1
52030-1610
to POT,
SLIDE POT
C96 0.1
0X
12
1X
13
0Y
2
1Y
1
0Z
5
1Z
3
V
C
C
1
6
X14
Y15
Z4
A11
B10
C9
INH 6
V
E
E
7
G
N
D
8
IC20
HC4053AF
R34 100
L_CS
RESET
L_WR
A0
C5
0.1
CPU
C6
0.1 C8
0.1
C9
0.1
C12
0.1
PG3/CS1 1
PG4/CS0 2
V
S
S
3
V
S
S
4
V
C
C
5
PC0/A0 6
PC1/A1 7
PC2/A2 8
PC3/A3 9
V
S
S
1
0
PC4/A4 11
PC5/A5 12
PC6/A6 13
PC7/A7 14
PB0/A8 15
PB1/A9 16
PB2/A10 17
PB3/A11 18
V
S
S
1
9
PB4/A12 20
PB5/A13 21
PB6/A14 22
PB7/A15 23
PA0/A16 24
PA1/A17 25
PA2/A18 26
PA3/A19 27
V
S
S
2
8
PA4/A20/IRQ4 29
PA5/A21/IRQ5 30
PA6/A22/IRQ6 31
PA7/A23/IRQ7 32
P67/CS7/IRQ3 33
P66/CS6/IRQ2 34
V
S
S
3
5
V
S
S
3
6
P65/IRQ1 37
P64/IRQ0 38
V
C
C
3
9
PE0/D0 40
PE1/D1 41
PE2/D2 42
PE3/D3 43
V
S
S
4
4
PE4/D4 45
PE5/D5 46
PE6/D6 47
PE7/D7 48
PD0/D8 49
PD1/D9 50
PD2/D10 51
PD3/D11 52
V
S
S
5
3
PD4/D12 54
PD5/D13 55
PD6/D14 56
PD7/D15 57
V
C
C
5
8
P30/TXD0
59 P31/TXD1
60 P32/RXD0
61 P33/RXD1
62 P34/SCK0
63 P35/SCK1
64
V
S
S
6
5
P60/DREQ0/CS4 66
V
S
S
6
7
V
S
S
6
8
P61/TEND0/CS5 69
P62/DREQ1 70
P63/TEND1 71
P27/PO7/*
72
P26/PO6/*
73
P25/PO5/*
74
P24/PO4/*
75
P23/PO3/*
76
P22/PO2/*
77
P21/PO1/*
78
P20/PO0/*
79
WDTOVF 80
RES
81
NMI 82
V
C
C
8
4
XTAL
85
EXTAL
86
V
S
S
8
7
PF7/FAI 88
V
C
C
8
9
PF6/AS 90
PF5/RD 91
PF4/HWR 92
PF3/LWR 93
PF2/WAIT/BREQO 94
PF1/BACK 95
PF0/BREQ 96
P50/TXD2
97 P51/RXD2
98
V
S
S
9
9
V
S
S
1
0
0
P52/SCK2
101 P53/ADTRG
102
AVCC
103 VREF
104
P40/AN0
105 P41/AN1
106 P42/AN2
107 P43/AN3
108 P44/AN4
109 P45/AN5
110 P46/AN6/DA0
111 P47/AN7/DA1
112
AVSS
113
V
S
S
1
1
4
P17/PO15/*
115
P16/PO14/*
116
P15/PO13/*
117
P14/PO12/*
118
P13/PO11/*
119
P12/PO10/*
120
P11/PO9/DACK1/*
121
P10/PO8/DACK0/*
122
MD0
123 MD1
124 MD2
125
PG0/CAS/OE 126
PG1/CS3 127
PG2/CS2 128
STBY
83
IC1
HD6472655F
GA
C
3
B
2
A
1
G2B
5
G2A
4
G1
6
Y7 7
Y6 9
Y5 10
Y4 11
Y3 12
Y2 13
Y1 14
Y0 15
V
C
C
1
6
G
N
D
8
IC9
74HC138
R171
10K
R172
10K
R173
10K
V
D
D
4
V
D
D
1
6
V
D
D
2
6
V
D
D
3
1
V
D
D
3
6
V
D
D
5
5
V
D
D
6
8
V
D
D
7
8
V
D
D
1
0
0
V
D
D
1
1
8
V
D
D
1
2
2
V
S
S
3
V
S
S
1
0
V
S
S
1
5
V
S
S
2
5
V
S
S
3
0
V
S
S
3
5
V
S
S
5
4
V
S
S
6
7
V
S
S
7
7
V
S
S
8
9
V
S
S
9
9
V
S
S
1
0
8
V
S
S
1
1
7
V
S
S
1
2
1
SSEN
2
SS0
5
SS1
6
SS2
7
SS3
8
LLCK
9
LS0
11
LS1
12
LS2
13
LS3
14
PD0
17
PD1
18
PS2
19
PD3
20
PD4
21
PD5
22
PD6
23
PD7
24
RESET
65
CLKIN0
90
AS
32
RD
33
WR
34
WAIT
27
DMA/R
28
DMA/W
29
D15
37
D14
38
D13
39
D12
40
D11
41
D10
42
D9
43
D8
44
D7
46
D6
47
D5
48
D4
49
D3
50
D2
51
D1
52
D0
53
CS1
56
A7
57
A6
58
A5
59
A4
60
A3
61
A2
62
A1
63
A0
64
IDE_CS1 1
IDE_CS0 128
IDE_A3 127
IDE_A2 126
IDE_A1 125
IDE_RD 124
IDE_WR 123
IDE_CS 120
LCD_CS 119
LD7 116
LD6 115
LD5 114
LD4 113
LD3 112
LD2 111
LD1 110
LD0 109
LCD_RD 107
LCD_CSO 105
LRCK0 103
BCK 102
MCK 101
DA_DATA0 70
DA_DATA1 69
CLKIN1 98
AD_DATA0 88
AD_DATA1 87
ESPUSE 92
AD_BIT0 96
AD_BIT1 95
DA_BIT0 94
DA_BIT1 93
TEST 66
ENC_TYPE 91
ENC/A 85
ENC/B 86
INTO 76
TRCKO 75
TRS2 74
TRS3 73
TRS4 72
TRS5 71
TRR5 84
TRR4 83
TRR3 82
TRR2 81
TRCKIN 80
SYI 79
LCD_WR 106
CS2
97
LRCK1 104
V
S
S
4
5
IC27
SLA919FF0F
CS7
CS6
CS4
C
S
0
C
S
1
CS_I 1
23457891
0
6RA21
10K
CA13 74
CA12 75
CA11 76
CA10 77
CA9 78
CA8 79
CA7 81
CA6 82
CA5 83
CA4 84
CA3 85
CA2 86
CA1 87
CA0 88
CD7 92
CD6 93
CD5 94
CD4 95
CD3 96
CD2 97
CD1 98
CD0 99
INT1 66
INT0 67
CS 68
WR 69
RD 70
TRR5
62
TRR4
61
TRR3
60
TRR2
59
TRR1
58
TRR0
57
TRCKIN
56
RST2
51
RST1
52
VPOUT
53
TRS5
101
TRS4
102
TRS3
103
TRS2
104
TRS1
105
TRS0
106
TRCKO
107
DIRECT 64
TYPE 65
SYO
132
SYI
133
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
9
ED5
8
ED4
7
ED3
6
ED2
5
ED1
4
ED0
3
WE
13
CAS
14
RAS
15
OSC 29
DA7 111
DA6 112
DA5 113
DA4 114
DA3 115
DA2 116
DA1 117
DA0 118
AD3 120
AD2 121
AD1 122
AD0 123
LRCK1 124
LRCK0 125
BCK1 128
BCK0 129
MCK1 130
MCK0 131
V
D
D
1
V
D
D
1
2
V
D
D
1
8
V
D
D
3
0
V
D
D
4
1
V
D
D
5
4
V
D
D
7
2
V
D
D
9
0
V
D
D
1
0
8
V
D
D
1
0
9
V
D
D
1
2
6
V
D
D
1
3
4
V
D
D
1
4
4
VSS 2
VSS 11
VSS 19
VSS 28
VSS 31
VSS 40
VSS 50
V
S
S
5
5
V
S
S
6
3
V
S
S
7
1
V
S
S
7
3
V
S
S
8
0
V
S
S
8
9
V
S
S
9
1
V
S
S
1
0
0
V
S
S
1
1
0
V
S
S
1
1
9
V
S
S
1
2
7
V
S
S
1
3
5
V
S
S
1
4
3
IC6
TC170C140
1
23457891 0
6
RA23
10K
R174
10K
R169
10K
R177
10K
R170
10K
R175
10K
R187
10K
D
1D 3D 5D 7D 6D 4D 2D 0
D
9D 1
5
D
1
4
D
1
2
D
1
0
D
1
1
D
1
3
D
8
C
S
2
C
S
3
C
S
5
C
S
4
C
S
7
C
S
8
C
S
I
DSP
EN_A
EN_B
1
23457891
0
6RA22
10K
C15
0.01
C16
0.01
MCK
BCK
MCK
BCK
P
D
0
P
D
1
P
D
2
P
D
3
P
D
4
P
D
5
P
D
6
P
D
7
for ENC
R1
10K
C302
0.01
C303
0.01
2
1
C110
10/16
R2
10K
R3 10K
R4 10K
C310 0.01
C308 0.01
C309 0.01
C311 0.01
LLCK
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
C78
0.1 C98 0.1
C
O
M
1
0
G
N
D
9
I1
1 I2
2 I3
3 I4
4 I5
5 I6
6 I7
7 I8
8 O8 11
O7 12
O6 13
O5 14
O4 15
O3 16
O2 17
O1 18
IC25
TD62083AF
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
CN7
IL-FPC-16ST-N
R121
R122
R128
R123
R127
R124
R126
R125
C319 C321 C323 C325
D7
9
D6
8
D5
7
D4
6
D3
5
D2
4
D1
3
D0
2
OE
1
CLK
11
Q7 12
Q6 13
Q5 14
Q4 15
Q3 16
Q2 17
Q1 18
Q0 19
V
C
C
2
0
G
N
D
1
0
IC23
74VHC574
for LED
C319-326:0.01
R121 to R128:47
C326C324C322C320
R160
47
C17
0.1
to ANALOG CIRCUIT
PHONE_SEL
RESET
LRCK
AD0
AD1
DA0
DA1
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
D9
D8
LRCK1
AD_D0
AD_D1
DA_D0
DA_D1
P51
RESET
D15
D14
D13
D12
D11
D10
R166,167:47
R164
L304,305:
N2012Z601
TRR5
TRR4
TRR3
TRR2
TRS5
TRS4
TRS3
TRS2
RESET
I_CS1
I_CS0
I_A3
I_A2
I_A1
I_RD
I_WR
TRCKO
CSI
CS5
LD7
LD6
LD5
LD4
LD3
LD2
LD1
LD0
L_RD
TRCKIN
L_WR LRCK0
PD0
PD1
PD2
PD3
PD4
PD5
PD6
LS0
LS1
LS2
SSEN
SS0
SS1
SS2
LLCK
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A14
A18
A17
A16
A15
A20
A19
R184
10K
VR_SEL
P53
P51
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
MIDI_IN
MIDI_OUT
R27
10K
C82
0.1
0X
12
1X
13
0Y
2
1Y
1
0Z
5
1Z
3
V
C
C
1
6
X14
Y15
Z4
A11
B10
C9
INH 6
V
E
E
7
G
N
D
8
IC45
HC4053AF
21
C112
10/16
11
22
33
44
55
66
77
88
99
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
CN5
IL-FPC-18ST-N
C83 C84 C85 C86 C87 C88 C95
MUTE
C83 to C95:0.01
1
3
2Q2
RN2307
R8
10K
R9
10K
R11
220K
1
2
3
Q1
RN1307
R10
100K
C94C89C90C91C92C93 MUTE : H(ACTIVE)
1
2
D2
1SS352
2
1
C81
100/16
MUTE AN0
AN7
AN6
AN5
AN4
AN3
AN2
AN1
VR_SEL
DACK0
FOOT_SW
MIDI_MUTE
L302
100
A0
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
AS
WAIT
RD
HWR
LWR
FAI
WAIT1
12
7
IC15A
TC7W08F
R165
47
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
AS
DMA/W
DMA/R
RESET
RD
HWR
FAI
WAIT0
R32
1.5K
L303 L304
R164
R167 R166
TRR2
TRCKIN
EA8
EA7
EA6
EA5
EA4
EA3
EA2
EA1
EA0
AD_D0
AD_D1
EN_A
EN_B
512fs
EA9
L_CS
LRCK1
LRCK0
BCK
MCK
DA_D0
DA_D1
R33
1.5K
CS4
HWR
RD
IRQ1
D4
D10
D11
D3
D12
D2
D13
D1
D14
D0
D15
RA11-13:100
C18 0.1
1
23457891
0
6
RA24
10K
1 8
2 7
3 6
4 5
RA13
100
A8
9
A7
8
A6
7
A5
6
A4
5
A3
4
A2
3
A1
2
G
19
DIR
1
B8 11
B7 12
B6 13
B5 14
B4 15
B3 16
B2 17
B1 18
V
C
C
2
0
G
N
D
1
0
IC7
74VHC245
A8
9
A7
8
A6
7
A5
6
A4
5
A3
4
A2
3
A1
2
G
19
DIR
1
B8 11
B7 12
B6 13
B5 14
B4 15
B3 16
B2 17
B1 18
V
C
C
2
0
G
N
D
1
0
IC8
74VHC245
1 8
2 7
3 6
4 5
RA11
100
1 8
2 7
3 6
4 5
RA10 100
1 8
2 7
3 6
4 5
RA12
100
for IDE
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
CN2
PS-40PE-D4T1-B1
2
1
C74
47/16
R7
10K
1
2 4
5
3
IC13
TC7S32F
C68 0.1
R178
10K
R6 22K
R5 22K
1
23457891 0
6
RA25
10K
CS3
RD
WAIT1
D6
D8
D7
D9
D5
TRR3
TRR4
TRR5
TRS5
TRS4
TRS3
TRS2
TRCKO
WE
RAS
ED11
ED10
ED9
ED8
ED7
ED6
ED5
ED4
ECAS
D1
D0
A0
A7
A6
A5
A4
A3
A2
A1
CS1
CS7
CS1
DMA/W
CS2
CAS
CS5
IRQ1
IRQ3
IRQ2
CS0
44/32
COPY
D0MUTE
CS3
(R1)
(C1)
(Q1)
(C2)
C7
0.1
C10
10P
L301
N2012Z601
R17
1.5K
C24
15P
C25
0.01
C11
10P 1
4
X1
MA406-20.000MHZ
R18
220K
2
1
C26
0.47/6.0
R19
100
C343
0.1
2
1
C23
100/16
R183
1K
C340
0.1
1
2
3
Q26
2SC4116GR
PLL
8
4
IC12D
TC7WU04F
C69
0.1
C70
0.1
REF 1
PD 2
VDDA 3
AMPI 4
AMPO 5
VSSA 6
XI 7
XO 8
VDD
16
LOCK
15
S2
14
S1
13
M2
12
M1
11
CKO
10
VSS
9
IC3
TC9246F
(MAX:24.8732MHz)
(FL50)
(BL02RN2)
(R500)
(D500)
(1SS133)
C3
0.1
6 2
IC12C
TC7WU04F
C2 0.1
R29
N2012Z601
DD
6
DC
5
DB
4
DA
3
RESET
1
CLK
2
LOAD
9
ENP
7
ENT
10
QD 11
QC 12
QB 13
QA 14
RCO 15
V
C
C
1
6
G
N
D
8
IC16
74VHC163
L306
N2012Z601
IN
3 OUT 1
C
O
M
2
IC47
uPD78L005
1
7
IC12A
TC7WU04F
R188
220 12
D10
1SS352
512fs
32fs
64fs
128fs
256fs
(TANTALUM C) R26
10K
C21
0.1
C22
0.1
R20
15K
C28
0.1
R21 330
12
D3
1SS352
R
S
T
6
DLY 5 VCC
7
G
4
IC2
M51953AFP
FINB
5 DVDD 1
AVDD 14
RBIAS 13
VSDO 3
PFDINH 9
INH 10
SEL 2
DGND 7
AGND 11
PFDD
6
VCOINV
12
NC
8
FINA
4
IC5 TLC2933
C27
0.1
R176
4.7K
R
E
S
E
T
2
1
C4
1/50 17
IC33A
TC7W04F
C104
0.1
6 2
IC33C
TC7W04F
1
4
7
IC11E
74VHC00
4
5
6
IC11B
74VHC00
12
13
11
IC11D
74VHC00
1
2
3
IC11A
74VHC00
9
10
8
IC11C
74VHC00
XRESET
P53 :
H(DMA/R)
L(SCSIDRQ)
DMA/R RESET
P53
SCSIDRQ
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15 A19 5
A18 6
A17 7
A16 8
A15 10
A14 11
A13 12
A12 13
A11 17
A10 18
A9 19
A8 20
A7 22
A6 23
A5 24
A4 25
A3 26
A2 27
A1 28
A0 32
RY/BY 53
CE1 2
CE0 14
WE 55
OE 54
WP 56
BYTE 31
RP 16
3/5 1
DQ15
52
DQ14
50
DQ13
47
DQ12
45
DQ11
41
DQ10
39
DQ9
36
DQ8
34
DQ7
51
DQ6
49
DQ5
46
DQ4
44
DQ3
40
DQ2
38
DQ1
35
DQ0
33
NC
3
NC
4
NC
29
NC
30
VPP
15
VCC
9
VCC
37
VCC
43
GND
21
GND
42
GND
48
IC44
LH28F800SUT-70
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
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
11
22
33
44
55
66
77
88
99
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
19 19
20 20
21 21
TP1
CN21P
1
1 2
2 3
3 4
4 5
5 6
6 7
7 8
8 9
9 10
10 11
11 12
12 13
13 14
14 15
15 16
16 17
17 18
18 19
19 20
20 21
21
TP2
CN21P
1 8
2 7
3 6
4 5
RA7
100
1 2
D9
1SS352
R186
220
D8
D9
D10
D11
D12
D13
D14
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
RD
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
CN4
IL-FPC-25ST-N
1 8
2 7
3 6
4 5
RA8 100
1 8
2 7
3 6
4 5
RA6
100
5
6
3
IC15B
TC7W08F
1 8
2 7
3 6
4 5
RA5
100
R168
10K
1 2
D8
1SS352
C342
56P C341 56P
R185
220
I_CS1
I_CS0
I_A3
I_A1
I_A2
IRQ3
I_RD
I_WR
C105
0.1
C67 0.1
8
4
IC15C
TC7W08F
8
4
IC30C
TC7W32F
for OPTIONAL SCSI IF
L305
N2012Z601
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
CN14
IL-FPC-14ST-N
R156 100
R158 100 R157 100
C107
0.1
2
1
C77
100/16
XRESET
COAXIAL OUT
R161
10
12
7
IC30A
TC7W32F
C19
0.1
2 1
C66
47/16
2
1
C75
47/16
2
1
C76
47/16
C57
0.1
1 8
2 7
3 6
4 5
RA26 100
C65
0.01
1 8
2 7
3 6
4 5 RA9 100
D15
A0
A1
A2
A3
HWR
RD
IRQ2
SCSIDRQ
DACK0
CS6
CS0
A20
FOOT_SW
MIDI_IN
MIDI_MUTE
MIDI_OUT
11 10
IC29E
74VHC14
9 8
IC29D
74VHC14
5
6
3
IC30B
TC7W32F
3
5
IC33B
TC7W04F
C102
0.1
R22
22K
V
D
D
2
8
FS2 11
FS1 10
IS2 20
IS1 19
M2 18
M1 17
CTG3
23
CTG2
22
CTG1
21
CKA2 27
CKA1 26
BLOCK 1
DO2 16
DO1 15
UBDA
2
LRS 3
LRCK
4
BCK
5
DATA
6
VLDY
7
EMPH 8
COPY
9
CKS
12
XI
13
FR32
24
LBIT
25
V
S
S
1
4
IC28
TC9271F
DA_D1
LRCK1
BCK
RD
LWR
CS0
A20
A19
8M bit FLASH_MEMORY
C29
0.1
C30
0.1
C31
0.1
C62
0.1
C205
0.1
C204
0.1
2
1
C73
47/16
C206
0.1
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
512fs
NC
15
NC
16
A9
28
A8
27
A7
26
A6
25
A5
24
A4
23
A3
20
A2
19
A1
18
A0
17
NC
11
NC
12
NC
32
RAS
14
UCAS
30
LCAS
31
WE
13
OE
29
I/O15 41
I/O14 40
I/O13 39
I/O12 38
I/O11 36
I/O10 35
I/O9 34
I/O8 33
I/O7 10
I/O6 9
I/O5 8
I/O4 7
I/O3 5
I/O2 4
I/O1 3
I/O0 2
VCC 1
VCC 6
VCC 21
VSS 22
VSS 37
VSS 42
IC31
HM5118160J-7
CS2
LWR
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
CAS
PLL
3 5
IC12B
TC7WU04F
21TIMES COUNTER
C1
0.1
DD
6
DC
5
DB
4
DA
3
RESET
1
CLK
2
LOAD
9
ENP
7
ENT
10
QD 11
QC 12
QB 13
QA 14
RCO 15
V
C
C
1
6
G
N
D
8
IC17
74VHC163
DD
6
DC
5
DB
4
DA
3
RESET
1
CLK
2
LOAD
9
ENP
7
ENT
10
QD 11
QC 12
QB 13
QA 14
RCO 15
V
C
C
1
6
G
N
D
8
IC18
74VHC163
C344
0.1
C345
0.1
2
1
C346
100/16
R30
100
R31
100
12
4
53
IC14
TC7S00F
C103
0.1
1344fs(MAX:65.19744MHz)
HWR
RD
WE
RAS
EA1
EA3
EA5
EA7
EA0
EA8
EA6
EA4
EA2
EA9
ECAS
D0MUTE : H(ACTIVE)
44/32 : H(32K) , L(44.1K)
A9R
9
A8
20
A7
19
A6
18
A5
17
A4
16
A3
13
A2
12
A1
11
A0
10 NC 6
NC 21
RAS
8
CAS
23
WE
7
OE
22
I/O8 27
I/O7 26
I/O6 25
I/O5 24
I/O4 5
I/O3 4
I/O2 3
I/O1 2
VCC 1
VCC 14
VSS 15
VSS 28
IC19
HM514800CJ-6
C63
0.1
C64
0.1
ED6
ED7
ED9
ED8
MCK
ED4
ED5
ED11
ED10
44/32
COPY
D0MUTE
OPTICAL OUT
C101 0.1
3 4
IC29B
74VHC14
5 6
IC29C
74VHC14
1
4
7
IC29G
74VHC14
to IF BOARD
C339
0.01
R152 47
R119 1K
R153 10
R155 10
R154 10
‰‰
‰‰ MAIN BOARD ASSY (DIGITAL BLOCK)

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
C168
10P
1
1
2
2
3
3
4
4
5
5
CN8
52147-0510
2
1
C154
100/16
C147
0.1
C140
0.1
2
1
C155
100/16
P
H
O
N
E
-
L
MASTER OUT
MON/AUX OUT
H : MON/AUX
L : MASTER OUT
R139
4.7K(D) R140
4.7K(D)
to PEAK LED from DIGITAL CIRCUIT
1
1
2
2
3
3
4
4
5
5
6
6
CN10
52147-0610
MCK
BCK
LRCK
PHONE_SEL
AD0
AD1
to INPUT SENS
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
CN13
IL-S-8P-S2T2
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
CN11
IL-S-9P-S2T2
GUITAR IN
C203
100P
R77
10K
R115
10K
1
2
3
4
JK4
LGR4609-7000 C137
0.1
R118
1M
3
1
2
Q12
2SK880GR
Q15,Q16:
R74
47K
2 1
C171
100/16
R108
120 R109
120
R110
120
R111
120
RESET :
L(ACTIVE)
MUTE :H(ACTIVE)
C301
0.1
1
2
3
Q15
2SC4116GR
DA0
DA1
MUTE
RESET
R131
470
C232
0.1
R132
470
R143
68(D)
R142
4.7K(D)
C231
0.1
R144
68(D)
R141 4.7K(D)
R72
10K 1
3
2Q14
RN2307
R73
10K
R78
10K R79
1M C165
0.047
C166
0.047
R80
1M
1
3
2
Q13
RN2307
1
2
3
Q23
RN1307
3
1
2Q8
2SK880GR
1
2D4
1SS352
1
2
D7
1SS352
1
2
D5
1SS352
1
2
D6
1SS352
3
1
2
Q10
2SK880GR
R52
47K
R53
47K
C167
10P
21 C169
10/16
2
3 1
IC41A
UPC4570G
R86
5.6K
P
H
O
N
E
-
R
Lch
Rch
21 C129
220/16
R54
100 1
2
3
4
JK8
LGR4609-7000
C240
0.1
EMI2
DSS306-55FZ103N
PHONES
Bch
R55
100
R67
100K
2 1
C183
10/16
6
12
JK10F
YKC21-3164
21 C130
220/16
EMI1
DSS306-55FZ103N
R65
1K
R66
1K
1
2
3Q7
DTC314TK
21 C170
10/16
6
5 7
IC41B
UPC4570G
21
C136
10/16
R68
100K
R87
5.6K
2 1
C131
10/16
C235 100P
R64
10K
6
5 7
IC43B
UPC4570G
3
1
2Q9
2SK880GR
3
1
2Q11
2SK880GR
C335
2200P
R179
1.8K
R93
8.2K
C118
0.1
VREFH
1
VREFL
2
AINR
3
VRADR
4
AINL
5
VRADL
6
AGND
8
DIF0
9
DIF1
10
LRCK
11
SCLK
12
SDTI
13
SDTO
14
VCOM 28
AOUTR 27
AOUTL 26
CMODE 25
PWAD 24
PWDA 23
DGND 22
VD 21
TST1 20
TST2 19
TST3 18
DEM1 17
DEM0 16
MCLK 15
VA
7
IC38
AK4520A
2
1
C189
10/6.3
2
1
C190
10/6.3
C121
0.1 2
1
C191
10/6.3
AUX-R
AUX-L
C117
0.1
C237
0.1
21 C114
10/16
2
1
C156
1/50
R85
10K
R138
470
1
2
3
Q16
Q17,Q18:
R38
10K
R89
1K
C164
10P2
3 1
IC35A
UPC4570G
C215
10P
6
5 7
IC35B
UPC4570G
2 1
C172
100/16
R107
330K
INPUT1
2 1
C176
10/16
R96
47K
R37
470
R116
47K
R117
1K
R103
1K
1
2
3
4
JK9
LGR4609-7000
INPUT2
R104
47K
C199
100P
R40
1K
R97
47K
2 1
C177
10/16
R102
1K
R39
470
1
2
3
4
JK5
LGR4609-7000
R41
10K
R88
1K
C216
10P
6
5 7
IC36B
UPC4570G
2
3 1
IC36A
UPC4570G
C163
10P
R112
330K
21 C113
10/16
R75
47K
R137
470
R84
10K
2
1
C157
1/50
1
2
3
Q17
2SC4116GR
1
2
3
Q18
2
1
C195
10/6.3
C219
1000P
C119
0.1
C220
1000P
2
1
C196
10/6.3
C120
0.1
6
5 7
IC42B
UPC4570G
C233 100P
R56
10K
2 1
C127
10/16
R95
8.2K
C336
2200P
R180
1.8K
R49
1K
R50
1K
1
2
3Q4
DTC314TK
21
C128
10/16
R71
100K
Ach
MON/AUX OUT
R51
100K
2 1
C180
10/16
4
10
JK10D
YKC21-3164
Rch
R59
100K
2 1
C181
10/16
5
11
JK10E
YKC21-3164
R57
1K
R58
1K
1
2
3Q5
DTC314TK
21
C132
10/16
R70
100K
2 1
C133
10/16
2
3 1
IC43A
UPC4570G
C236 100P
R60
10K
R92
8.2K
R181
1.8K
C126
0.1
VREFH
1
VREFL
2
AINR
3
VRADR
4
AINL
5
VRADL
6
AGND
8
DIF0
9
DIF1
10
LRCK
11
SCLK
12
SDTI
13
SDTO
14
VCOM 28
AOUTR 27
AOUTL 26
CMODE 25
PWAD 24
PWDA 23
DGND 22
VD 21
TST1 20
TST2 19
TST3 18
DEM1 17
DEM0 16
MCLK 15
VA
7
IC39
AK4520A
2
1
C192
10/6.3
2
1
C193
10/6.3
C123
0.1
2
1
C194
10/6.3
MST-R
4.7K
(D)
4.7k
(D)
C122
0.1
C239
0.1
R133
470
C241
0.1
C238
0.1
R134
470
R145
4.7K(D)
R148
68(D)
R146
4.7K(D)
R147
68(D)
R149
R150
21 C116
10/16
R76
47K
2
1
C158
1/50
R83
10K
R136
470
1
2
3
Q19
2SC4116GR
1
2
3Q20
2SC4116GR
R44
10K
R90
1K
6
5 7
IC37B
UPC4570G
C217
10P
2
3 1
IC37A
UPC4570G
2 1
C173
100/16
C162
10P
R113
330K
INPUT3
2
8
JK10B
YKC21-3164
1
2
3
4
JK6
LGR4609-7000
R43
1K
R101
1K
2 1
C200
10/16
R100
1K
R105
47K
1
7
JK10A
YKC21-3164
C201
100P
R42
470
R98
47K
R91
1K
C218
10P
2 1
C174
100/16
R114
330K
C161
10P
1
2
3Q22
2SC4116GR
R81
47K
1
2
3
Q21
2SC4116GR
2
1
C159
1/50
R82
10K
C222
1000P
C221
1000P
MST-L
2 1
C135
10/16
C234 100P
R48
10K
2
3 1
IC42A
UPC4570G
R94
8.2K
C338
2200P
C337
2200P
R182
1.8K
R61
1K
R62
1K
1
2
3Q6
DTC314TK
21
C134
10/16
R69
100K
Lch
MASTER OUT
R63
100K
2 1
C182
10/16
3
9
JK10C
YKC21-3164
C208
0.1
IN
3 OUT 2
C
O
M
1
IC46
TA78L005AP
2
1
C209
100/16
C207
0.1
C152
0.1
C153
0.1
R120
68(1W)
2
1
C211
100/16
2
1
C212
100/16
R130
1K
R129
1K
2
1
C185
470/16
C187
0.1
C188
0.1
2
1
C214
100/16
2
1C213
100/16
1
32
Q25
2SA1162GR
2
1
C184
470/16
C150
0.1
C151
0.1
1
23
Q24
2SC2712GR
from POWER SUPPLY UNIT
C125
0.1
C124
0.1
2
1
C197
10/6.3
2
1
C198
10/6.3
21 C115
10/16
R135
470
8
4
IC42C
8
4
IC43C
R47
10K
6
5 7
IC40B
UPC4570G
2
3 1
IC40A
UPC4570G
8
4
IC41C
8
4
IC35C
8
4
IC36C
8
4
IC37C
8
4
IC40C
INPUT4
R106
47K
R99
47K
C202
100P
1
2
3
4
JK7
LGR4609-7000
R46
1K
R45
470
2 1
C179
10/16
IC35-37,IC40-43:UPC4570G
11
22
33
44
55
66
77
CN12
B7B-XH-A
2
1
C175
1000/16
C186
0.1 for DISK DRIVE POWER
1
1
2
2
3
3
CN15
B3B-XH-A
2
1
C210
470/16
C41 0.1
VS-840/840S
Mar, 1998
‰‰
‰‰ MAIN BOARD ASSY (ANALOG BLOCK)

S
S
C
7
SW BOARD
SOLO
EFFECT RTN
MONITOR SEL
1 2
D37
1SS133
1 2
D38
1SS133
1 2
D43
1SS133
S
S
C
5
S
S
C
61 2
SW39
1 2
SW38
1 2
SW49
EFFECT LEVEL AUX LEVEL
1 2
D25
1SS133
1 2
D26
1SS133
1 2
D31
1SS133
1 2
D32
1SS133
S
S
C
4
1 2
SW36
1 2
SW27
1 2
SW26 1 2 SW37
SELECT/BUS(5/6) SELECT/BUS(7/8)
PAN
1 2
D13
1SS133
1 2
D14
1SS133
1 2
D19
1SS133
1 2
D20
1SS133
S
S
C
2
S
S
C
3
1 2
SW24
1 2
SW25
SELECT/BUS(4)
INPUT EQ
1 2
D7
1SS133
1 2
D8
1SS133
S
S
C
0
S
S
C
1
1 2
SW12
1 2
SW13 1 2 SW14
1 2
SW15
SELECT/BUS(2) SELECT/BUS(3)
MODE
1 2
D1
1SS133
1 2
D2
1SS133
PD0
PD1
1 2
SW1
1 2
SW2
SELECT/BUS(1)
PD0
PD1
PD2
PD3
PD4
PD5
PD6
SSC5
SSC4
SSC3
SSC1
SSC0
SSC2
11
22
33
44
55
66
77
88
99
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
CN4
IL-FPC-18SL-N
SSC7
SSC6
1
1
2
2
3
3
4
4
5
5
6
6
CN9
1
1
2
2
3
3
4
4
5
5
6
6
CN8
132
EN1A
EC16B24204
TRACK STATUS(1)
1 2
D3
1SS133
1 2
D5
1SS133
PD2
PD3
PD4
1 2
SW3
1 2
SW5
EZ ROUTING DISPLAY
TRACK STATUS(3)TRACK STATUS(2)
1 2
D9
1SS133
1 2
D11
1SS133
1 2
SW9
1 2
SW11 1 2 SW16
1 2
SW18
EFFECT UTILITY
TRACK STATUS(4)
1 2
D15
1SS133
1 2
D17
1SS133
1 2
D21
1SS133
1 2
D23
1SS133
1 2
SW21
1 2
SW23
TRACK STATUS(5/6)
UNDO/REDO VARI PITCH
CURSOR(DOWN) CURSOR(UP)
1 2
D27
1SS133
1 2
D28
1SS133
1 2
D29
1SS133
1 2
D33
1SS133
1 2
D34
1SS133
1 2
D35
1SS133
1 2
SW33
1 2
SW30
1 2
SW29
1 2
SW28 1 2 SW35
1 2
SW34
TRACK STATUS(7/8)
CURSOR(LEFT) EXIT
CURSOR(RIGHT) ENTER/TAP
SHIFT CLEAR
1 2
D39
1SS133
1 2
D40
1SS133
1 2
D41
1SS133
1 2
D45
1SS133
1 2
D46
1SS133
1 2
D47
1SS133
1 2
SW43
1 2
SW42
1 2
SW41
1 2
SW48
1 2
SW47
1 2
SW46
"DIGITAL SECTION"
ALL LIGHT TOUCH SWITCHES ARE EVQ11A(H=5.0)
except:SW4,7,10,17,22,40
SCRUB
REC
1 2
D22
1SS133
1 2
D42
1SS133
1 2
D44
1SS133
1 2
D48
1SS133
1 2
SW40
SKECAF
1 2
SW22
SKECAF
1 2
SW45 1 2 SW44SCENE
PLAY
FADER VR
LOOP
FF
1 2
D10
1SS133
1 2
D16
1SS133
1 2
D30
1SS133
1 2
D36
1SS133
1 2
SW17
SKECAF
1 2
SW10
SKECAF
L
B
F
6
L
B
F
7
1 2
SW31 1 2 SW32
SCENE
12 D57
SLR-332DCTG7
STOP
LOCATOR(4/8)
REW
TRACK STATUS
1 2
D4
1SS133
1 2
D18
1SS133
1 2
D24
1SS133
1 2
D49
1SS133
L
B
F
4
L
B
F
5
1 2
SW20
1 2
SW4
SKECAF
1
2 3
D92
SPR-39MVW
LOCATOR(3/7)
(CD)
ZERO
BUSS(4-CD) BUSS(5/6-AB)
1 2
D6
1SS133
L
B
F
1
L
B
F
2
L
B
F
3
1 2
SW6 1 2 SW19
1 2
SW7
SKECAF
12D54
SLR-332VCTG7
12D79
SLR-332VCTG7
LOCATOR(1/5) LOCATOR(2/6)AUTO PUNCH
1 2
D12
1SS133
PD5
L
B
F
0
PD6
L
B
F
0
L
B
F
2
1 2
SW8
DISK
MIDI
ENC BOARD
11
22
33
44
55
66
77
88
99
10 10
11 11
12 12
13 13
14 14
15 15
16 16
CN2
IL-FPC-16SL-N
LBF1
LBF0
1
02 0
EN1B
EC16B24204
D75:
D71:
1 2
D75
SLR-332MCTE7
1 2
D71
SLR-332VCTC7
LBF6
LBF5
LBF4
LBF3
LBF2
LD4
LD3
LD2
LD1
LD0
LD6
LD5
LBF7
LD7
VARI PITCH
SOLO
STATUS(5/6)
STATUS(7/8)
MONITOR SEL
1
2 3
D84
SPR-39MVW
1
2 3
D88
SPR-39MVW
1
2 3
D83
SPR-39MVW
12 D72
SLR-332VCTG7
12 D56
SLR-332VCTG7
BUSS(4-AB)
BUSS(3-CD)
BUSS(3-AB)
BUSS(5/6-CD)
BUSS(7/8-AB)
BUSS(5/6-CD)
12D59
SLR-332VCTG7
12D73
SLR-332VCTG7
12D61
SLR-332VCTG7
12D62
SLR-332VCTG7
12D78
SLR-332VCTG7
12D76
SLR-332VCTG7
TRACK STATUS
TRACK STATUS (D)
TRACK STATUS (C)
1
2 3
D85
SPR-39MVW
1
2 3
D89
SPR-39MVW
1
2 3
D96
SPR-39MVW
(AB) SCRUB
LOOP
LOCATOR4
11
22
33
44
55
66
77
88
99
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
CN1
IL-FPC-18SL-N
12 D69
SLR-332DCTG7
12 D67
SLR-332DCTG7
12 D66
SLR-332DCTG7
123
C6 0.1
1
3
2
VR1A
1
3
2
VR2A
1
3
2
VR3A
4 MASTER5/6 7/8
1
3
2
VR4A
1
3
2
VR5A
1
3
2
VR6A
VR1A-7A:
1
3
2
VR7A
EWAP1 50KB
2
01 0
VR1B
2
01 0
VR2B
2
01 0
VR3B
2
01 0
VR4B
2
01 0
VR5B
2
01 0
VR6B
2
01 0
VR7B
1
02 0
VR8B
1
02 0
VR9B
1
02 0
VR13B
1
02 0
VR14B
1
02 0
VR15B
1
2
3
VR13A
1
2
3
VR14A
1
02 0
VR10B
1
2
3VR15A
RK09K113 50KB
TRACK CUE
1
2
3
VR8A
1
2
3
VR9A
1
2
3
VR10A
LOCATOR1
LOCATOR2
LOCATOR3
12 D64
SLR-332DCTG7
12 D80
SLR-332DCTG7
12 D82
SLR-332DCTG7
TRACK STATUS (B)
TRACK STATUS (A)
PLAY
1
2 3
D93
SPR-39MVW
1
2 3
D94
SPR-39MVW
12 D68
SLR-332MGTJ7
BUSS(2-CD)
BUSS(2-AB)
BUSS(1-CD)
BUSS(MASTER-AB)
BUSS(MASTER-CD)
12D60
SLR-332VCTG7
12D74
SLR-332VCTG7
12D58
SLR-332VCTG7
12D65
SLR-332VCTG7
12D63
SLR-332VCTG7
CHANNEL
STATUS
REC
STATUS(4)
STATUS(3)
STATUS(2)
1
2 3
D87
SPR-39MVW
1
2 3
D91
SPR-39MVW
1
2 3
D95
SPR-39MVW
12 D97
SLR-332VRTJ7
12 D55
SLR-332VCTG7
12 D90
SLR-332VCTG7
1
0
JK1B
YKC21-3182
FL2
BL02RN2-R62
BUSS STATUS(1)
R5
75
1
2 3
D86
SPR-39MVW
12 D70
SLR-332VCTG7
2
1
JK1A
YKC21-3182
1
2
3 4
6
1
0
2
0T1
PT-10
FL1
BL02RN2-R62
BUSS(1-AB)
2
01 0
IC1B
TOTX178
C1 0.1
12D77
SLR-332VCTG7
1
2
3
IC1A
TOTX178
1ch
AUTO PUNCH
1
2
3VR11A
RK09K113 100KRD
12 D81
SLR-332DCTG7
INPUT SENS.
"ANALOG SECTION"
7/8 5/6 4
VR8A-10A,13A-15A:
1
02 0
VR11B
RK09K113 100KRD
PHONES LEVEL
123
23
13
2
2
1
2
1
VR18A
RK09K12C 10KAX2
11
22
33
44
55
CN7
1
0
2
0
VR18B
RK09K12C 10KAX2
1ch
R1 3.3K
R2 3.3K
PEAK SIGNAL
11
22
33
44
55
66
CN3
12 D50
SLR-332VCTG7
12 D51
SLR-332VCTG7
2ch
3ch
1
2
3VR16A
RK09K113 100KRD
1
2
3VR17A
RK09K113 100KRD
1
02 0
VR12B
RK09K113 100KRD
1
02 0
VR16B
RK09K113 100KRD
C5
0.1
1
2
3VR12A
RK09K113 100KRD
1
2
3
4
JK2
LGR4609-7000
2
5
2
2
2
4
1
5
1
2
1
4
1
JK3
YKF51-5054
1
2D100
1SS133
FL3
DSS306-55FZ103N
R7
1K
1
2
D98
1SS133
1
2
D99
1SS133
R8
120
R9
100
FL4
DSS306-55FZ103N
0.1
8
5
2
3
7
6
IC2
PC-910
0.1
FL7
DSS306-55FZ103N R6
10K
C2
C3
11
22
33
44
55
66
77
88
99
10 10
11 11
12 12
13 13
14 14
CN10
IL-FPC-14ST-N
R10
10K
R11
10K
R14
10K 3
2
1Q1
2SA1015GR
R12
3.3K
1 2
IC3A
TC74HC14P
13 12
IC3F
TC74HC14P
R13 220
FL5
DSS306-55FZ103N
R15
220
C4
0.1
FL6 DSS306-55FZ103N
3 4
IC3B
TC74HC14P
5 6
IC3C
TC74HC14P
9 8
IC3D
TC74HC14P
11 10
IC3E
TC74HC14P
1
4
7IC3G
TC74HC14P
IF BOARD
1
1
2
2
3
3
4
4
5
5
6
6
CN6
IL-S-6P-S2T2
1
1
2
2
3
3
4
4
5
5
6
6
7
7
CN5
IL-S-7P-S2T2
4ch
1
02 0
VR17B
RK09K113 100KRD
12 D52
SLR-332VCTG7
12 D53
SLR-332VCTG7
2ch
3ch
4ch
R3 3.3K
R4 3.3K
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
VS-840/840S
Mar, 1998
SW SHEET ASSY

16
/ 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
CPU
HD6432655F (01341789)
IC1 on MB
16M DRAM
HM5118160J-6 (01231434)
IC31 on MB
VCC
VCC
VCC
1
I/O 0 2
I/O 1 3
I/O 2 4
I/O 3 5
6
I/O 4 7
I/O 5 8
I/O 6 9
I/O 7 10 Top
View
NC 11
NC 12
WE 13
RAS 14
NC 15
NC 16
A0 17
A1 18
A2 19
A3
VSS
VSS
VSS
I/O 15
I/O 14
I/O 13
I/O 12
I/O 11
I/O 10
I/O 9
I/O 8
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
4M DRAM
HM 514800 DJ6Z (01120523)
IC19 on MB
VCC
VCC
1
I/O 0 2
I/O 1 3
I/O 2 4
I/O 3 5
NC 6
WE 7
RAS 8
A9 9
A0 10
A1 11
A2 12
A3 13
14
VSS
VSS
28
I/O 727
I/O 626
I/O 525
I/O 424
CAS23
OE22
NC21
A820
A719
A618
A517
A416
15
Top
View
LOG | C V 1
DO
TEST 2
VCO OUT 3
PFD OUT 6
F—A4
IN
F—B5
IN
LOG | C GND 7
VCO V14 DO
VCO GND
VCO INHIB | T
PFD INHIB | T
BIAS
R
COIN
V
13
12
9
11
10
NC8
PLL
TLC2933IPW(01124367)
IC5 on MB
Top
View
AD/DA
AK4520AVF-E2(01238101)
IC38. IC39 on MB
Top
View
VREFH 1 VCOM28
AOUTR27
AOUTL26
CMODE25
PWAD24
PWDA23
DGND22
VD21
TST120
TST219
TST317
DEM117
DEM016
MCLK15
VREFL 2
AINR 3
VRADR 4
AINL 5
VRADL 6
VA 7
AGND 8
DIF0 9
DIF1 10
LRCK 12
SCLK 12
SDTI 13
SDTO 14
IC DATA
Mar, 1998
VS-840/840S

17
VS4S-1
FUJI CARD
Locate the VS4S-1 Board connector
at guide line (blue line) to be connector
side accurately.
INSULOK TIECORE
'Expands the functionality of the VS-840
Installing the VS4S-1 into the VS-840,songs created on the VS-840
can be saved on an external Zip drive.
'SPECICATIONS :Conforms of SCSI-2
INTERFACE :D-SUB 25PIN CONNECTOR x1
1. Disconnect the power cable from VS-840.
2. Remove the EXP cover and bottom cover from VS-840.
Insert the supplied fuji-card into VS4S-1 connector. Be sure both
contacts are facing each other.
Insert the VS4S-1 into the opening in VS-840 (fuji-card first).
3. Secure the VS4S-1 with screws. Insert the other end of the fuji-card
into CN4 of the main board.
4. Attach the supplied core on the wiring connecting the switching
power supply and main board.
Slide the core as close as possible to the power supply and clamp
the core with the cable tie.
5. Checking operation
Consulting VS4S-1 instruction manual, connect the ZIP drive to VS-
840 and power up the system.
Make sure that UTILITY_SCSI is restarting.
6. When the system properly operates, attach the bottom cover.
SPECICATIONS VS4S-1 (OPTION SCSI BOARD)
INSTALLING THE VS4S-1
VS-840/840S
Mar, 1998

PARTS LIST (VS4S-1)
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.
18
NOTE:The parts marked # are new (initial parts)
HOLDER
# 01344656 VS-840 SCSI HOLDER
PCB ASSY
# 71017390 VS4S-1 BOARD ASSY SCSI BOARD
IC
00893356 NCR53CF92 SCSI I/O IC2 on SCB
15249111 TC7WU04F INVERTER IC3 on SCB
00893990 BH9595FP SCSI ACTIVE TERMINATOR IC1 on SCB
DIODE
00128045 S2S6M-4001P12.5 SCHOTTKY DIODE D1 on SCB
INDUCTOR
00903167 N2012Z601 FERRITE BEAD
01340834 EXC ML20A390 FERRITE BEAD L1.L2 on SCB
# 01455867 ESD-SR-12 FERRITE CORE on WIRING PS-MAIN
CRYSTAL
# 01342145 MA-406 25.000MHZ X'TAL X1 on SCB
CONNECTOR
00453467 IL-FPC-25ST-N CN1 on SCB
13429314 DBLC-J25SAF-20L9F D-SUB 25PIN CN2 on SCB
WIRING
# 01453367 25X120-A6.0BBR-P1.25-HBL10 FUJI CARD CN4 on MB-CN1 on SCB
MISCELLANEOUS
40016512 T-18S 80MM for FIXING FERRITE CORE
# 01453956 VS4S-1 SHIELD SHEET
40016589 NRP-355 BLACK NYLON RIVET
PACKING
# 01453356 VS4S-1 PAD
# 01453345 VS4S-1 PACKING CASE
# 01458101 VS4S-1 OUTER PACKING CASE
MISCELLANEOUS
# 71019856 VS4S-1 MANUAL JAPANESE
# 71120301 VS4S-1 MANUAL ENGLISH
VS-840/840S
Mar, 1998
MB ===> MAIN BOARD SCB ===> SCSI BOARD
CIRCUIT DIAGRAM & BOARD (VS4S-1)
SCSI BOARD (71017390)
component side

PAD0
55
PAD1
56
PAD2
57
PAD3
58
PAD4
60
PAD5
61
PAD6
62
PAD7
63
DB0
6
DB1
7
DB2
8
DB3
10
DB4
11
DB5
12
DB6
14
DB7
15
DBP
16
A0
49
A1
50
A2
52
A3
53
RD
46
WR
45
DBWR
4
INT
42
DREQ
2
DACK
3
CS
47
RESET
44
CLK
48
MODE 41
TESTIN 54
VDD_1 5
VDD_2 17
VDD_3 40
VDD_4 54
VSS_1 1
VSS_2 9
VSS_3 13
VSS_4 21
VSS_5 26
VSS_6 31
VSS_7 36
VSS_8 43
VSS_9 51
VSS_10 59
SD0 18
SD1 19
SD2 20
SD3 22
SD4 23
SD5 24
SD6 25
SD7 27
SDP 28
RST 33
BSY 30
SEL 35
I/O 39
C/D 37
MSG 34
REQ 38
ACK 32
ATN 29
IC2
NCR53CF92
D8
D9
D10
D11
D12
11
22
33
44
55
66
77
88
99
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
19 19
20 20
21 21
22 22
23 23
24 24
25 25
CN1
IL-FPC-25ST-N
D13
D14
D15
A0
A1
A2
A3
HWR
RD
C3
0.1
C2
0.1
C4
0.1
C5
0.1
2
1
C6
47/6.3
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
CN2
DBLC-J25SAF-20L9F
REQ
MSG
I/O
SD0
SD1
SD2
R1 10K
IRQ2
SCSIDRQ
DACKO
XRST
CS6
R2
10K
L3
N2012Z601
SD3
SD4
SD5
SD6
SD7
SDP
SCRST
BSY
ACK
BSY
SD0
SD3
SD5
SD6
SCRST
SD7
C/D
ATN
SEL
SDP
SEL
I/O
C/D
MSG
REQ
ACK
ATN
R5
100
C9
0.1
2
1
C1
100/6.3
35 IC3B
TC7WU04F
62 IC3C
TC7WU04F
17 IC3A
TC7WU04F
1 4
X1
MA406-25.000MHZ
1
2
D1
S2S6M T1 8
T2 9
T3 10
T4 11
T5 12
T6 15
T7 16
T8 17
T9 18
T10 19
T11 20
T12 21
T13 22
T14 23
T15 3
T16 4
T17 5
T18 6
VDD
13
VDD
14
GND
7
GND
26
GND
27
EN
2
NC
1
TSD
25
VM
24
IC1
BH9595FP-Y
SD0
SD1
SD2
SD3
SD4
SD1
SD2
SD4
L2
EXCML20A390 L1
EXCML20A390
SD5
SD6
SD7
SDP
SCRST
BSY
SEL
I/O
C/D
C11
0.1
R4
10K
2
1
C13
47/6.3
2
1
C12
47/6.3
R3
1M
C10
10P C7
10P
8
4
IC3D
TC7WU04F
C8
0.1
MSG
REQ
ACK
ATN
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
U19
VS-840/840S
Mar, 1998