Roland A-37 User Manual download pdf

A-37

Sept, 2001

SERVICE NOTES

Issued by RES

First edition

SILKSCR. BOTTOM CABINET ASSY REMOVAL SCREW x10 Pcs

SELF TAP. SCREW 3,5x16 TCTCPRBZ Cod. J2289131

SN00053 K6018448 Printed in Italy (I00) (AD)

a-37

midi keyboard

controller

TABLE OF CONTENTS Page

SPECIFICATIONS 1

LOCATION OF CONTROLS 2

EXPLODED VIEW 3

KEYBOARD PARTS LIST 4

PARTS LIST 5

HOW TO VISUALIZE THE SYSTEM PROGRAM VERSION 6

HOW TO CARRY OUT THE FACTORY SETUP 6

HOW TO ENTER TEST MODE 6

BLOCK DIAGRAM 9

JACK PCB ASSY & CIRCUIT DIAGRAM 10

CPU PCB ASSY 10

CIRCUIT DIAGRAM (CPU PCB ASSY) 11

POWER SUPPLY PCB ASSY & CIRCUIT DIAGRAM 12

LEFT CONTROL PCB ASSY 12

CIRCUIT DIAGRAM (LEFT CONTROL PCB ASSY) 13

RIGHT CONTROL PCB ASSY & CIRCUIT DIAGRAM 14

RIGHT & LEFT CONTACT PCB ASSY & CIRCUIT DIAGRAM 15

Specifications

Keyboard: 76 keys, velocity sensitive, with channel Aftertouch

Display: 3 x 7 segments

Realtime controllers: Data Entry slider, Bender/Modulation lever, channel Aftertouch, Hold Foot Switch socket, Foot Pedal socket

Memories: 128 Patches

Connections: MIDI In, Out A, Out B, Thru, Expression Pedal, Sustain Footswitch, DC IN (adaptor)

Compatibility: GM/GM2/GS, all MIDI messages

Power supply : Batteries, AC/DC adaptor (DC 9V)

Dimension: 1195 (W) x 270 (D) x 113 (H) mm

Weight:: 7,7 Kg

Supplied accessories: 6 x dry batteries (AA type), MIDI cable, Owner’s Manual, Music Rest

Options: Roland ACA adaptor (9V, 200mA); DP-2, DP-6, or BOSS FS-5U footswitch; EV-5, Boss FV-300L expression pedal

Specifications subject to change without prior notice. All other trademarks mentioned in this manual are the property of the respective companies.

DISASSEMBLY

1 2 3 4 5 6 ... 14 15

Summary of Contents

Page 1 - SERVICE NOTES

Page 2 - REAR VIEW

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Page 3 - EXPLODED VIEW

ABCDEFGHILMNOPQRSTUJK12345678910 121314151617181920212223242526272829301111A-37Sept, 2001CIRCUIT DIAGRAM (CPU PCB ASSY) INOUT1OUT2A37 KEYBLEFTRIGHTHOL

Page 4 - KEYBOARD PARTS LIST

ABCDEFGHILMNOPQRSTUJK12345678910 121314151617181920212223242526272829301211A-37Sept, 2001POWER SUPPLY PCB ASSY & CIRCUIT DIAGRAMASSY 7772105000

Page 5 - PARTS LIST A-37

ABCDEFGHILMNOPQRSTUJK12345678910 121314151617181920212223242526272829301311A-37Sept, 2001FROM CPU BOARDFROM CPU BOARDTO RIGHT CONTROL BOARDYELREDORGBR

Page 6 - TEST MODE

ABCDEFGHILMNOPQRSTUJK12345678910 121314151617181920212223242526272829301411A-37Sept, 2001RIGHT CONTROL PCB ASSY & CIRCUIT DIAGRAM ASSY 7772

Page 7

ABCDEFGHILMNOPQRSTUJK12345678910 121314151617181920212223242526272829301511A-37Sept, 2001LEFT CONTACT PCB ASSY w/RUBBER ASSY 7695005000CIRCUIT DIAGRAM

Page 8

2A-37Sept, 2001LOCATION OF CONTROLSREAR VIEW

Page 9 - CPU BOARD

3A-37Sept, 2001EXPLODED VIEW

Page 10 - CPU PCB ASSY

4A-37Sept, 2001KEYBOARD PARTS LIST76 KEY KEYBOARD TP/9-AT Code: 77721090001238109PMSM5764*CONTACT BOARDS ARE COMPLETE WITH RUBBER CONTACTS*Ref12345

Page 11 - Sept, 2001

A-37Sept, 20015CASING Q.tyK2198102 MUSIC REST 122208320 MUSIC SCORE HOLDER 1# 7772106000 VARN+SILKSCR. TOP CABINET A-37 1# 7772107000 VARN+SILKSCR. BO

Page 12 - To CPU Board

A-37Sept, 20016a) Front Panel check (Controls)Once you have entered the control panel check, press button 1:The display visualizes:If you press the bu

Page 13

A-37Sept, 20017Press EXIT to leave.Press EXIT again to go back to the main menu.BENDEROnce you have pressed the button 2, the display visualizes:Pict.

Page 14 - ASSY 7772101000

8A-37Sept, 2001Note: When carring out this test, make sure you press the key properly.In case a key does not reack 127, try pressing a few other keys.

Page 15 - ASSY 7695004000

ABCDEFGHILMNOPQRSTUJK12345678910 12131415161718192021222324252627282930911A-37Sept, 2001BLOCK DIAGRAMPHOTOCPURESETX1X2KEYSCANDATALEDMATRIXBUFFERSWITCH