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

EXPLODED VIEW 2KEYBOARD PARTS LIST

NPRRTS N. PRRTS NRME

^5029284RI LEO OlODE TLHR4401-RE0

@K216810^ SPRCER H=115

®^312975301 SWITCH TYPE EVO-OSB 05K

J2289115 9PECIRL SCREW 35x9 5PR T8

©K2588101 76 KEY KEYBORRO TP9 (WEI6HTE0)

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

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)

ABCD E FG

BLOCK DIAGRAM

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

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

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^

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

SBTQ460

74LS05

f^LRT

R'lB

*4<7S

“ICBE

74LSQ5

FLRT

BCS

3fiS

RXW

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

54BB

5943

CBStOuF^S

IC4

68HC11E30FP

74LS05

FLRT

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

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

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

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

<£-

PROG_CHNG

flTR_ENT

STRRT/STQR

OCT_OOWN kBD_MOD_LOW

EDIT_UPP

<BD_MOD_UPP

BCSeOB

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

47uF16

6VRH -/IV. VRH

5POL

4BEND

3VRL

EMOO

-lOK

VR-1

EWRNFGCYOBIS

-lOOKLINMONO

-I VRL /\ MOD RTR ENTRY

CONN_6X-l

MODULRTION

vcc

Krwo

KRW1 E

Krwe 3

\RW3_ 4

7-^

IC-I

TDBE50B

15 RBI A

14 RGE A

13 RB3 /

\7b

MUX3

RYQ

BY1

CYE

61 Y5

GSR YG

6EB Y7

15 CL1 7

14 CLE 7

13 CL3 7

IE CL4 7

11 CL5 7

10 CLG 7

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