Roland A-33 User manual

Feh, 1RRR A-33
TABLE OF CONTENTS Page
SPECIFICATIONS
DISASSEMBLY
location oe controls
EXPLODED VIEW I
EXPLODED VIEW 2
KEYBOARD PARTS LIST 8. KEY DISASSEMBLY
BLOCK DIAGRAM
RESTORING THE EACTORY PRESET/TRANSLATION EROM ENGLISH INTO JAPANESE
POWER SUPPLY PCB ASSY 8. CIRCUIT DIAGRAM (POWER SUPP. 8. AMP BOARD)
JACK PCB ASSY 8. CIRCUIT DIAGRAM (JACK BOARD)
CPU PCB ASSY
CIRCUIT DIAGRAM (CPU BOARD)
RIGHT CONTACT PCB ASSY w/RUBBER CONTACT
(or RIGHT CONTACT BOARD w/RUBBER CONTACT)
CIRCUIT DIAGRAM (RIGHT CONTACT BOARD)
LEFT CONTACT PCB ASSY w/RUBBER CONTACT 9
(or LEFT CONTACT BOARD w/RUBBER CONTACT)
CIRCUIT DIAGRAM (LEFT CONTACT BOARD)
CONTROL PCB ASSY &CIRCUIT DIAGRAM (CONTROL BOARD) 10
PARTS LIST 11
CD\jmcncncjiLJi4i-4=^CDr\ji---i-^
SPECIFICATIONS
Keyboard :7G weighted keys (E~F)
Velocity sensitive
Sound Source :Completely compatible with
R0Iand GS Format.
Power Reguirement :DC9V;Alkaline Battery(Gx MN1500)
or AC Adaptor ACA Series.
Current Draws :80mADC at 9VDC
Power Comsumpt ion :720mW. (i00V/117V/230V/240V)
Battery Lite lApproximately 25 hours.
Note:These figures will vary
depending on the actual
conditions of use.
Jack and Connections :MIDI IN;0uti:0ut2;Thru
:Sustain Switch
:Expression Pedal
:DC In
Controls :Data Entry (Slider)
:Bender/Modu Iat ion (LeverD
External Dimension. :il95(W)x270(D)xil0(HMo)
Weight :8 kg
Accessory :Owner^s Manual (E~D~F~I)
:Owner^s Manual (E~J~DUTCH)
:MIDI Guide
:MIDI Cab Ielm(BI ack)
:Alkaline Battery MN1500 Gpcs
2Battery Set Size "AA" Aik.
:MusicRest
:Music Score Holder
KG0i8217
KG018223
KG018109
23485228
DISASSEMBLY
J2569102
K2198i02
22208320

A-33

A-33
EXPLODED VIEW 2KEYBOARD PARTS LIST
op
NPRRTS N. PRRTS NRME
©7697604000 9ILK9CR TOP CABINET H95Y
^5029284RI LEO OlODE TLHR4401-RE0
@K216810^ SPRCER H=115
®^312975301 SWITCH TYPE EVO-OSB 05K
J2289115 9PECIRL SCREW 35x9 5PR T8
©32289104 SELF TRP SCREW 29x8 TC TC PR BZ
©K2588101 76 KEY KEYBORRO TP9 (WEI6HTE0)
©13429823RI POWER SOCKET BLOCK
©13449711 DC SOPPLY SOC HEC0470-01-630
7897805000 SILKSCR BTM CABINET RSSY
®J2289113 NUT 3MR N3
@J2139101 FLAT WASHER 1/04
®J2359101 SPRCER 3M RRTSJ5012
0J2289108 SELF TRP SCREW 35x19 TC TC PR BZ
©13419723RI 9V BRTTERY CONNECTION
12209532RI BRTTERY HOLDER FOR 6BATTERIES
®7697808000 VARNISHED BRTTERY COVER
Ref Description CocJe
RJR n
1KEY SPRIN6 gr63 32179101 76
NATURAL KEY C5 (grlO) DO 32579112 6
NATURAL KEY 06 (grIO) RE 32579113 6
NATURAL KEY E7 (grlO) Ml 32579114 6
2NATURAL KEY FI (grlO) FA 32579115 7
NATURAL KEY 82 (grlO) SOL 32579116 6
NATURAL KEY A3. (gr10) LA 32579117 6
NATURAL KEY B4 (grlO) SI 32579118 6
NATURAL KEY C8 (grlO) Mid) 32579119 1
NATURAL KEY G(grlO) SOL(F) 32579121 1
3SHARP KEY (grlO) 32579120 31
3SELF TRP SCREW 2,9x8mm
TC TC PR BZ 32289104 42
512 PRUBBER CONTACT 22185238 7m
6LEFT CONTACT PCB
ASSY+RUBBER 7895005000 1
—?
/RIGHT CONTACT PCB
ASSY+RUBBER 7695004000 1
8PLASTIC CHASSIS 32589101 1
8GUIDE BUSHING INFERIOR 32359104 7G
10 GUIDE BUSHING SUPERIOR 22158789 78
CONDUCTIVE RUBBER(IP) LR 13/1 23128908 1
CONTACT BOARDS ARE COMPLETE WITH RUBBER CONTACTS
76 KEY KEYBOFIRD TP9-P(WEI6HTED)
4

ABCD E FG
BLOCK DIAGRAM
9
1
A-33
HJKLMNPQ
RESTORING THE EACTORY PRESET
1) Swilcli On your A~33, [reepinq He "Write" button pressed.
2) Al 1the 32 Fad org Patcheswill be restored in10g0ur
3) Du ringHe re s 10ringpr 0 cedure,th e LEDs o n the panel
wiM1blink unti1the 0peration is over.
The res10ring pr 0 cedure reguires 30 sec app r0Ximate1g
TRANSLATION FROM ENGLISH
INTO JAPANESE/j^Xf0ili!®5->
RESTORING THE FACTORY PRESET (A-33)
7r hI''n®ML:&
1) ’Wr ite" A-3 3'«
2) 320077 ^hU
3) /^“T0^±©LED;^E-AsMLtro
o^'TySTUt-To
5

A-33
LMPQ
ISUST
GND
DGND
EXPJ
VRH
VRL
wan
or CPU BOARD
From CPU Pcb

A-33
CIRCUIT DIAGRAM CCRU BOARD OUT-I- OUTB MIDI OUT-I-MIDI OUTB
0OFF OFF
O-1 OFF ON
-1 0ON OFF
-1 ON ON
L^=L2=L3=L'?=SBTO"IGDW
ICS ]R-ie
8y-^\y\y
NC
LR VCC
EN 7
G-l<S
NC BND 5
~l 0-IS
MUXO 1BO RWO
MUX1 B-19 RW1
MUX2* 3-18 RWB
KO -17 RW3
51B BOP
KB 6-IS MUX3
K3 7-I4
VRH 8-I3 VRL
MOD 9-IB DRTR
BEND -10 -I -I
CN'l
RMPCI S7''I6P
MKO -1 -18 TO
BRO B-15 T-l
MK-1 3-14 TB
BR-I 4-13 T3
MKB 5-IB T4
BRB 8.-l-I IS
MK3 7^0-10 TG
BR3 89T7
UT1
YKRE-l-SOB^
JO
IC2B
A<p
74LSOS FLRT
ICBC
IC7R V
7-^HCDB
FLRT
IC7B V
74HC08
FLRT
ICBR I
74LS0B'
FLRT
to control pcb XRD-I 3
XRDB 4
XRD3 S
XRD4 6
XRDS 7
XRDG 8
XRD7 9
RBI
BXtOKS
to keyboard pcb
CNB
RMPC'1B7B0P
UT2
THRU
Y<FSt_^054
L1
SBTQ460
74LS05
f^LRT
QB
R'lB
*4<7S
“ICBE
74LSQ5
FLRT
BCS
3fiS
RXW
5E
6TXD
7RXD
8IRQ
9XIRQ
MK4 -1 SO TO
BR4 Brv -IS T-l
MK5 3O-18 TB
BR5 4-IX T3
MKG 5-IB T4
BRG G-lb T5
MK7 7'14 TG
BR7 8-13 T7
MK8 9-IB MK9
BRB -10 -I-l BR9
RR6
BXtOKS VCC
RR5 f
aX-IOKS
VG
DN
DD
54BB
5943
CBStOuF^S
IC4
68HC11E30FP
74LS05
FLRT
0^
BSCB4'IB
CNB
CQNN_6X1 E"InF
C-IB lciB^ 5%
'luF'16 -luF-lB
To JRC< Pcb
3K-l 64
4KB 63
5R9 6B
6BOP 59
7XRES 58
8R8 57
9K3 56
PED 13
MOD 15
DRTR 17
BEND 19
BTCK 14
EXPJ 16
PEG 18
SEL BO
CS 54
RS 53
RXW 5B
E51
TXD 50
RXD 47
666 PCO
—IKU _
XIRQ
RES
36 RD1
37 RDB
38 RDS
39 RD4
40 RDB
41 RDG
4B RD7
IB MUXO X
11 MUX1 X
10 MUXB X
9CSPO X
8RWO X
7RW1 X
6RWB X
5RW3 X
B8
B9
30
B7 MOOR
25 MODS
BB VRH .
31 T
\RDO 3
\RD1 4
\RDB 7
\RD3 8
\RD4 13
\RDS 14
\RDG 17
\RD7 18
CSPO 11
XRES —Ic
IC5
SSC-IOOC
R'15B33^B4
to keyboard pcb
BOUT1
5OUTB
6MUX3
9rrr'
-IS HH
-IS HR
-16 HH
-19 Hrg-
CLKVCC
CLR
ICG
74HCS73
FLRT
..VCC ^
EXCCL453BU^
EXCCL4G3BU-1
EXCCL453BU-I
R4 VCC
10KS
|C5 7
-ibuF-lG VRL
IC-1
M51953R
Is. 1
4MK9
3BR9
BMK9
1BR8
18 T7 X
15 TS. X
14 T5 X
13 T4 X
11 T3 X
10 TB X
9T1 X
8TO X
80 MK7
79 BR7
78 MKG
77 BRG
75 MK5
74 BRG
73 M<4
72 BR4
71 MK3
70 BR3
68 MKB
67 BRB
GG MK1
65 BR1
64 MKO
63 BRO
RRB
8X-IBKS
RR3
8X15<S
VCC
CN4
C0NN_6X1
VCC RES
NC
BND CRP
From Power Supply Pcb
C-I8
-lOOnF 5X
C-IO -
TPB BBpF^
^npO
8MHz
,10MS
—C11
~BBpFS
’npO
8MHz
-lOMS
-C4
“BBpFS
npO
CN5
RMPC1 B7-I6P CN6
RMPC-I B71SP
CB3
-lOOuF-IG
IC70 V
74HC08
FLRT
IC7C V,
74HC08
FLRT
PIN1 KQ 1oo
o o
IB nc PINB PIN17 DRTR 1OO
0 0
16 PEG
PINS nc P15 nc PIN4 PIN19 BEND B15 SEL
PINS RW3 314 RWB PING PINB1 VRL 314 VRH
PIN7 RW1 413 RWO PINS PINB3 GND 413 GND
PINS CSPO 5IB MUXB PIN10 PINBS MODB b/V /> IB nc
PIN11 MUX1 Roo11 MUXO PIN1B PINB7 MODR 611
PIN13 PED 7o010 BTCK PIN14 PINB9 7X' n10
P1N15 MOD 8oo9EXPJ PIN16 PIN31 EXTRL a9nc
00
CN7
RMPC-I B7-18P
PIN33 XTRL 1oo16 RDO
PIN35 nc B15 RD1
PIN37 RD2 3o o 14 RD3
PIN 39 RD4 413 RDS
PIN41 RDG 5IB RD7
PIN43 RES 6O011 nc
PIN45 XIRQ 710 IRQ
PIN47 RXD 8o09nc
PIN34 PIN49 GND 1
PIN36 PIN51 E B
PIN38 PIN53 flS 3
PIN40 PIN55 VDD 4
PIN4B PIN57 RS 5
PIN44 PINS9 BOP 6
PIN46 PING1 nc 7
PIN48 PINGS KB 8

A-33
RIGHT CONTACT PCB ASSY w/RUBBER C. Cor RIGHT CONTACT BOARD w/RUBBER C
i¥!¥i¥!¥i¥dl
^IRCUIT DIAGRAMC RIGHT GONTAGT BOARD w/RUBBER

A-33
CONTROL PCS ASS 0 r CONTROL BOARD) CCIRC DIAGRAM
ICONTROL BORRD
|9Roland made in italy
<£-
m-
PROG_CHNG
flTR_ENT
STRRT/STQR
OCT_OOWN kBD_MOD_LOW
EDIT_UPP
<BD_MOD_UPP
BCSeOB
R3
Kmuxo
\MUX1 2
\MUX2 3
\KO 4
\KY 5
\KE 6
\K3 7
WRH a
\MOO 9
\bend YO
to cpu
30 RWQ
-IS RW1
-IS RW2
^7 RW3
16 BOP
15 MUX3
14 1
13 VRL 71
ia DRTR
£kP- to bender
CN-I
BRWN
C3
47uF16
6VRH -/IV. VRH
5POL
4BEND
3VRL
EMOO
RB
-lOK
VR-1
EWRNFGCYOBIS
-lOOKLINMONO
-I VRL /\ MOD RTR ENTRY
CONN_6X-l
MODULRTION
vcc
Krwo
KRW1 E
Krwe 3
\RW3_ 4
5
6
7-^
oa
03
04
05
06
07
IC-I
TDBE50B
T\
M
U
X
R7
IK
15 RBI A
14 RGE A
13 RB3 /
12
11
\7b
MUX3
RYQ
BY1
CYE
Y3
Y4
61 Y5
GSR YG
6EB Y7
V6
CN
C
15 CL1 7
14 CLE 7
13 CL3 7
IE CL4 7
11 CL5 7
10 CLG 7
10

PARTS LIST A-33
CASING
J2359101 SPACER SM ART. SJ5012
7697606000 YARN. BATTERY COVER A99
7697604000 VARN+6ILK. TOP CABINET ASSY ASS
7697605000 VARN+SILK. BOTTOM CBN ASSY A39
on CB
SWi QnPSB
JK9 0nPSB
JKl anJKB
JK4 0nJKB
JK2, JK3 an CPU
KNOB. BUTTON
K2478198 POT. COVER
K2478200 GROUP 22X0 W/DIFF. -BLACK
SWITCH
1312975301 SWITCH EVQ-QSB 05K GR. 160 on CB
13159111 POWER SWITCH SSSP12114A SWI onPSB
JACK, SOCKET
13449711 DC-SUPPLY SOC. HEC0470-01-630 JK9 on PSB
19449125 JACK SOCKET HLJ0520-01-110 JKl an JKB
13449126 JACK SOCKET HLJ0520-01-010 JK4 an JKB
13429825 5P DIN SOCKET 2PZ YKF51-5054 JK2, JK3 an CPU
BENDER UNIT
K3278103 PITCH BENDER W/SENSOR +CABLE #
KEYBOARD ASSY
7695019000 76-KEY KEYBOARD ASSY TP/9P
NOTE: 76-KEY KEYBOARD ASSY TP/9P includes He fallowing part
For details refer to Keyboard parts list (pag.4)
7G95004000 RIGHT CONTACT BOARD W/RUBBER ASSY
76S5005000 LEFT CONTACT BOARD W/RUBBER ASSY
22185230 12P RUBBER CONTACT
7625920000 IP RUBBER CONTACT LRiS/13
PCB ASSY
7695002000 POWER SUPPLY PCB ASSY A90-A39
7697602000 CONTROLS PCB ASSY A-93 #
7697609000 JACK SOCKETS ASSY A-33 #
7697601000 CPU PCB ASSY A-99 #[e]
K525811610 I. C. TMPG8HC11E9F2237 FLA'
15169550RI I. C. 74 HC198
J5259007 I. C. 74 HC 08 FLAT
J5259102 I. C. 74 HC 279 FLAT
15239124 I. C. SSC1000-15299124 FQAT
15269214 I. C. 74LS05
15219189 I. C. M51953 ASTANDING
15199559RI I. G. TD G2506P
15199560RI I. G. TD 62905AP
15229718RI PHOTO-COUPLER 6N 137
TRANSISTOR
15119155RI TRANSISTOR BC/560-B
J5119101 TRANSISTOR BD 971 C
15319101 TRANSISTOR 2SC-2412
15909101 TRANSISTOR 2SA-1097KR
01, 09 on CB
03 0nPSB
01 0nCPU
02 on CPU
DIODE
15019159RI DIODE 1N-414B D15-D24, D34-D45 on CB/ on LCB, RCB
15339112 CHIP DIODE DA119 D2-D6 an CPU
J5029107 LED DIODE 9SLR-37VR3F -RED on CB
15019345RI ZENER DIODE BZX79C 5. 6V
15019158RI DIODE IN-4001
RESISTOR
J3919104
J3919105
J3809150
CHIP RES. ARRAY 2512,8X10 K+2C
CHIP RESIST. ARRAY 2^2 8X15K +2C
UNINFL. RES. 33 OHM 1/4W 5*
POTENTIOMETER
J3339101 LIN. POT. CURSOR 100KB 10 MS
CAPACITOR
136496G8RI ELECTRL. COND. -H 47UF 25V
J3629103 ELECTRL. COND. 100U 25V P5
J3629104 ELECTRL. COND. 10U 50V P5
J3G29105 ELECTRL. COND. 47U 50V P5
J3629107 ELECTRL. COND. lUF 100V P5
INDUCTOR, COIL, FILTER
12449982RI NOISE SUP. PLT1-R59C <
RAl, RA5, RAG on CPU
RA2-RA4 on CPU
R1-R4 on CB
VRl on CB
C5-C2G
«EMI»
12449370 NOISE SUP. SBT-01G0W «EMI» L7, L9
12449326 NOISE SUP. SBT-04G0 «EMI»
J2399103 NOISE SUP. ELKS471FA (CHIP] «EMI»
J2399104 CHIP NOISE SUP. EXCCL4532U1 «EMI»
CRYSTAL, RESONATOR
15299112RI CERAMIC RESONATOR 8MHZ
CONNECTOR
13419677RI 16P FEM. CONN. AMP 1. 27
133G9689RI 20P FEM. CONN. AMP 1. 27
13439479RI MALE CONN. AMP GW STANDING
J3439123 GP MALE CONN. P. 2M90
WIRING, CABLE
7695008001 16P FLAT CABLE (263 -2C
7695009001 20P FLAT CABLE (14) -2C
SCREW
J2289122 SELF TAP. SCREW 2. 2X 6TC TC
J228912G SELF TAP. SCREW 2. 9X 8TCTCPRBZ
J2289125 SELF TAP. SCREW 2. 9X10 TCTCPRBZ
J228912B SELF TAP. SCREW 9. 5X19 TCTCPRBZ
J2289160 SELF TAP. SCREW 2. 9X19 TCTCPR BR
J2289115 SELF TAP. SCREW 3. 5X9. 5TCPRTFR H. 8
J2289186 SCREW 3. 5X16 TC PR TFR H. 8
J2289113 NUT 3MA H. 3
J2139101 FLAT WASHER I/D 4
MISCELLANEOUS
K2168102 SPACER FOR LED H. 2. 8D. E. 5. 5
22248470 ANTIDUST COVER F/POTENT.
13419723RI 9V BATTERY CONNECTION
12209532RI BATTERY HOLDER FOR 6BATTERIES
13429823RI P. SUPPLY PLUG LOCKING
.K269811401 RIGHT POLYST. END-SIDE
K263811501 LEFT POLYST. END-SIDE
K2678109 CARTENE ENVELOPE HD 150X40
K2618159 OUTER PACKING A-33
ACCESSORIES
C3 0 n CB
C23 on CPU/Cl on PSB
in CPU/C21, C22 on PSB
C2 on PSB
C12, C13, C27 on CPU
FLl on PSB
JKB/L2-L4, L8 on CPU
LI on CPU
FL2 on CPU
L5, LG, L10 on CPU
XI, X2 on CPU
29485228 MIDI CABLE IM -BLACK
J2569102 2-BATTERY SET -SIZE "AA"
-
ALK. (MN1500)
K2198102 MUSIC REST
22208320 MUSIC SCORE HOLDER
K6018109 MIDI GUIDE
K6018217 OWNERS SMANUAL (E/D/F/I) A-39 #
K6019223 OWNERS SMANUAL (SP/DUTGH) A-39 #
K6018226 OWNERS SMANUAL (J) A-33 #
iJ