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