Roland A-37 Owner's manual

Brand: Roland

Model: A-37

Type: Owner's manual

Roland A-37 is a comprehensive midi keyboard controller that combines a range of features to enhance your musical creativity and performance capabilities. With its 76-key velocity-sensitive keyboard, you can capture the dynamics and expressiveness of your playing. The channel Aftertouch feature adds another layer of control, allowing you to modulate the sound of individual notes in real-time.

The A-37 is equipped with a comprehensive array of controls, including a Data Entry slider, Bender/Modulation lever, and Hold and Footswitch sockets. These controls provide intuitive and tactile ways to shape your sound and add dynamic variations to your performance.

A-37

Sept, 2001

SERVICE NOTES

Issued by RES

Second 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

A-37

Sept, 2001

LOCATION OF CONTROLS

REAR VIEW

A-37

Sept, 2001

EXPLODED VIEW

A-37

Sept, 2001

KEYBOARD PARTS LIST

76 KEY KEYBOARD TP/9-AT Code: 7772109000

PMSM

CONTACT BOARDS ARE COMPLETE WITH RUBBER CONTACTS

Ref

PARTS NAME

KEY SPRING gr.63

NATURAL KEY C5 (gr.10) DO

SOL

MI(I)

SOL(F)

NATURAL KEY D6 (gr.10)

NATURAL KEY E7 (gr.10)

NATURAL KEY F1 (gr.10)

NATURAL KEY G2 (gr.10)

NATURAL KEY A3 (gr.10)

NATURAL KEY B4 (gr.10)

NATURAL KEY C8 (gr.10)

NATURAL KEY G (gr.10)

MATT SHARP KEY (gr.10)

SELF TAP SCREW 2.9x8 TCTCPRBZ

12P RUBBER CONTACT

1P CONDUCTIVE RUBBER LR13/1

LEFT CONTACT BOARD W/RUBBER ASSY

RIGHT CONTACT BOARD W/RUBBER ASSY

PLASTIC CHASSIS

GUIDE BUSHING INFERIOR

GUIDE BUSHING SUPERIOR

CONTACT BOARDS ARE COMPLETE WITH RUBBER CONTACTS

SOL (F)

MI (I)

76KEY TP/9-ATKEYBOARD ASSY

PARTS NUMBER

J2179101 76

7**

J2579112

J2579113

J2579114

J2579115

J2579116

J2579117

J2579118

J2579119

J2579121

J2579120

J2289126

2218523802

7625920000

7695005000

7695004000

J2589101

J2359104

22158789

LEFT

RIGHT

AB C

CCCD

12 P RUBBER CONTACT

** CUT AND ASSEMBLY OF RUBBER CONTACTS

SENSOR AFTER TOUCH

J3169112

A-37

Sept, 2001

CASING Q.ty

K2198102 MUSIC REST 1

22208320 MUSIC SCORE HOLDER 1

# 7772106000 VARN+SILKSCR. TOP CABINET A-37 1

# 7772107000 VARN+SILKSCR. BOTTOM CABINET A-37 1

# 7772108000 VARN. BATTERY COVER A-37 1

7770614000 SILKSCREENED PLEXIGLASS RD-150 1

KNOB BUTTON

K2478198 POT. COVER 1

K2478313 BUTTON 20X10 WHITE 8

K2478314 BUTTON 20X10 DARK GREY 13

# K2478346 BUTTON 20X10 (RED) 1

SWITCH

J3169105 SWITCH EVQ-PAE 05 R SW1,2,3,4,5,6,7 on CPU / SW1 => 15 on LCB 22

13159111 POWER SWITCH S SSP12114A SW1 on PS 1

JACK, SOCKET

13449125 JACK SOCKET HLJ0520-01-110 JK1 on JB 1

13449126 JACK SOCKET HLJ0520-01-010 JK4 on JB 1

13429825 5P DIN SOCKET YKF51-5054 (2PCS) JK1,2 on CPU 2

13449711 DC-SUPPLY SOC. HEC0470-01-630 JK3 on PS 1

DISPLAY UNIT

00239767 DISPLAY TYPE LB-603VF (RED) DS1 on LCB 1

KEYBOARD ASSY

# 7772109000 76 KEY KEYBOARD ASSY TP/9-AT 1

NOTE: For details, refer to KEYBOARD PARTS LIST (Page 4)

PCB ASSY

# 7772105000 POWER SUPPLY PCB ASSY A-37 1

7697603000 JACK SOCKETS ASSY A-33 1

7700420000 BOUNCE-TO-AFTERTOUCH ASSY 1

# 7772101000 RIGHT CONTROL PCB ASSY A-37 1

# 7772102000 LEFT CONTROL PCB ASSY A-37 1

# 7772103000 CPU PCB ASSY A-37 1

7695004000 RIGHT CONTACT BOARD W/RUBBER ASSY 1

7695005000 LEFT CONTACT BOARD W/RUBBER ASSY 1

15229718RI I.C. 6N 137 PHOTO-COUPLER IC1 on CPU 1

15169550RI I.C. 74 HC138 DIP CMOS IC2 on LCB 1

15249111 I.C. TC7WU04 F FLAT CMOS IC13 on CPU 1

15259821 I.C. TC74HC573AF IC9 on CPU 1

00129278 I.C. SSC1080 FOB (CUSTOM IC) IC10 on CPU 1

# J5259153 I.C. AT24C64N-10SC 64K EPROM IC5 on CPU 1

15259884 I.C. TC7S08F MOS CMOS IC8 on CPU 1

15249104 I.C. TC7S04F FLAT IC11 on CPU 1

J5259149 I.C. TC74VHC541FT FLAT IC6 on CPU 1

15219183 I.C. M51953 AL (STANDING) IC7 on CPU 1

15149146 IC TD62583AP (INTERF.DRIVER IC) IC3 on LCB 1

15289141 I.C. M5223FP-600D IC12 on CPU 1

# 7772104000 I.C. MICRO CONTR.IC2 CPU (PROGRAM.) A-37 IC2 on CPU 1

TRANSISTOR

15319101 TRANSISTOR 2SC-2412K Q5 on CPU 1

15329503 TRANSISTOR DTA-124 EK CHIP Q1,2,3 on CPU 3

15329516 TRANSISTOR DTC-114EK Q4 on CPU 1

15119163 TRANSISTOR RN2227 Q1,2,3,4 on LCB 4

J5119105 TRANSISTOR TN6717A Q3 on PS 1

DIODE

15019159RI DIODE 1N-4148 On LCB / on RCB / on RC/ on LC 158

15339108 DIODE DA-204K D1,2,3 on CPU 3

J5029112 LED DIODE 5 L-53 SRD-D / RED D1 =>12 on LCB / D1,2,3,4 on RCB 16

15019345RI ZENER DIODE BZX79C 5.6V D5 on PS 1

J5019105 DIODE 1N 4002 D1 on PS 1

RESISTOR

J3919104 RESISTOR ARRAY EXB-A10E-103-J RA1,3,4,5,6 on CPU 5

J3919108 RESISTOR ARRAY EXB-V8V-103-JV RA2 on CPU 1

J3809129 UNINFL. RES. 220 OHM 0.6W 5% R1,2,3,4,5,6,7,8 on LCB 8

POTENTIOMETER

J3339101 LIN. POT. CURSOR 100KB 10 MS VR1 on LCB 1

CAPACITOR

J3629103 ELECTRL.COND. 100U 25V P5 C1 on PS 1

J3629104 ELECTRL.COND. 10U 50V P5 C21,22 on PS 2

J3629105 ELECTRL.COND. 47U 50V P5 C2 on PS 1

J5369103 ELECTR. COND. RV2 100U 16V (SMD) C30 on CPU 1

J5369104 ELECTR. COND. RV2 10U 16V (SMD) C2,11,16,23 on CPU 4

J5369102 ELECTR.COND. RV2 47U 16V SMD C3,5,65 on CPU 3

J5369106 ELECTR. COND. RV2 1U 50V (SMD) C20,33,64 on CPU 3

J3629150 ELECTR.COND. 47U 16V H.7 C3,2 on LCB 2

INDUCTOR, COIL, FILTER

<<EMI>> 12449382RI NOISE SUP. PLT1-R53C FL1 on PS 1

<<EMI>> 12449370 NOISE SUP. SBT-0160W L1,2,3,4 on CPU / L7,9 on JB 6

<<EMI>> 12449326 NOISE SUP. SBT-0460 L5 on CPU 1

CRYSTAL, RESONATOR

00894034 X-TAL 16 MHZ MA-406 X1 on CPU 1

01124812 QUARTZ 10 MHZ MA-406 X2 on CPU 1

CONNECTOR

13419677RI 16P FEM. CONNECTOR AMP 1.27 CN4,2 on CPU / on LC 3

13369689RI 20P FEM. CONNECTOR AMP 1.27 CN6 on CPU / on RC 2

J3429122 14P FEM. CONNECTOR AMP 1.27 CN1 on RCB / CN3 on CPU 2

13439479RI MALE CONN.AMP 6W STANDING CN1 on JB / CN8 on CPU 2

J3439123 6P MALE CONN. P. 2 M 90° CN4 on LCB 1

J3429120 3P MALE CONNECTOR P.2 M CN10 on CPU / CN401 on AFT 2

J3439168 4P MALE CONNECTOR 76384-404 CN402 on AFT 1

WIRING, CABLE

7695108001 16P FLAT CABLE (24) -2C From CN4 on CPU to LC 1

7700112000 3P CABLE ASSY (64) -2C P.2 From CN10 on CPU to CN401 on AFT 1

BATTERY

J2569102 2-BATTERY SET 'AA'-SIZE (ALK.) 3

SCREW

J2289122 SCREW 2.2X6 TC TC BRUN 2

J2289125 SCREW 2.9X10 TC TC PR TROP 32

J2289131 SELF TAP.SCREW 3.5X16 TCTCPRBZ 26

J2289118 SCREW 2.9X16 TC TC PR BRUN 5

J2289115 SCREW 3.5X9.5 TC PR TFR H.8 14

J2289186 SCREW 3.5X16 TCPR TFR H.8 BRUN 4

PACKING

# K2638260 RIGHT POLYST. END-SIDE A-37 1

# K2638261 LEFT POLYST. END-SIDE A-37 1

K2678109 CARTENE ENVELOPE HD 150X40 1

K2678106 POLYETH.ENVELOPE 4OX55 1

# K2618257 OUTER PACKING A-37 1

MISCELLANEOUS

K2168117 LED SPACER H.1,5 D.E.5,5 16

J2359101 SPACER 3M ART. SJ5012 4

22248470 ANTI-DUST COVER PL30N 1

13419723RI 9V BATTERY CONNECTION 1

12209532RI BATTERY HOLDER FOR 6 BATTERIES 1

22365708 HOLDER F/POWER SUPPLY CBL 1

13429823RI P. SUPPLY PLUG LOCKING 1

ACCESSORIES

23485228 MIDI CABLE 1M - BLACK 1

K6018109 MIDI GUIDE 1

# K6018447 OWNER'S MANUAL (E/D/F/SP/IT/OL) A-37 1

PARTS LIST A-37

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.

CONSIDERATION ON PARTS ORDERING

NOTE:

# The parts marked " # '' are new (Initial Parts).

A The parts marked " A '' are new (Initial Parts).for RES but already used by RJA

The parts marked have Safety - Related characteristics.

Use only listed parts for replacement.

<< EMI >> Component for EMC.

NNoott ee :: Replacement should be made on a unit basis. No replacements available for individual parts.

Replacement only be a unit.

SAFETY PRECAUTIONS :

The parts marked have

safety-related characteristics.

Use only listed parts for

replacement.

RCB = Right Control Board

LCB = Left Control Board

CPU = CPU Board

PS = Power Supply B.

JB = Jack Board

AFT = Bounce After Touch Board

A-37

Sept, 2001

a) Front Panel check (Controls)

Once you have entered the control panel check, press button 1:

The display visualizes:

If you press the button 1, you check the b

uttons.

If you press the button 2, you check the LEDs

If you press the button 3, you check the Controls (modulation, bender, data entry).

Buttons check

Once you have entered the front panel test mode, press button 1.

The display visualizes pict. A:

If you press the buttons of the control panel one after the other, the display will visualize their name.

When you release the button, the display will visualize: OFF (See pict. B).

Press EXIT and WRITE at the same time to exit.

The test procedure automatically goes back to the previous menu.

Note: It is not possible to go on to the following step if this test is not carried out correctly.

If you exit the test before checking all the buttons, the display indicates the name of the untested

buttons.

Press EXIT to go back to the main menu.

LED c

heck

Once you have entered the control panel check, press button 2.

The control panel LEDs and the display segments will light in sequence.

Press EXIT to leave this test.

Press EXIT again to go back to the main menu.

Contr

ol check (modulation, bender, data entry)

Once you have entered the control panel check, press button 3.

The display visualizes:

Pressing the button 1, you check the MODULA

TION (bender lever).

Pressing the button 2, you check the BENDER

Pressing the button 3, you check the DATA ENTRY potentiometer.

MODULA

TION

Once you have pressed the button 1, the display visualizes:

Pict. A (value 0) if the bender lever is released;

Pict. B (value 127) if the bender lever is moved completely forward.

A B

TEST MODE

ITEMS REQUIRED:

· MIDI cable;

· Dumper Pedal;

· Expression Pedal EV-5;

· Digital multimeter.

HOW TO VISUALIZE THE SYSTEM PROGRAM VERSION

Turn the instrument on, while keeping pressed the button 2 of section PATCH.

After a few seconds, the display will visualize a writing identifying the software version:

i.e.: VER 100 - 26 jul 2001

To exit, turn the instrument off.

HOW TO CARRY OUT THE FACTORY SETUP

Turn the instrument on while keeping the button WRITE pressed.

After a few seconds, the display will visualize the writing Factory setup.

The Factory Setup function re-establishes the instrument's factory settings.

HOW TO ENTER TEST MODE

Turn the instrument on while keeping pressed the button 1 of section PATCH.

After a few seconds, the display will visualize the following writing:

TEST ROLAND A - 37 VERSION 1.00

Then the display visualizes:

Every button of section Patch corresponds to a test to carry out.

Button 1 ⇒ P

anel check ("F": Front, "R": Rear);

Button 2 ⇒ K

eyboard check

Button 3 ⇒ Memory check

Turn the instrument off to exit test mode.

Note: After carrying out the tests, the instrument automatically performs the Factory Setup.

1) PANEL CHECK (FRONT / REAR)

Once entered test mode, press button 1. The display visualizes:

If you press button 1, you check the Front Control Panel (a).

If you press button 2, you check the sockets placed on the Rear panel.

Press EXIT to come back to the previous menu.

A-37

Sept, 2001

Press EXIT to leave.

Press EXIT again to go back to the main menu.

BENDER

Once you have pressed the button 2, the display visualizes:

Pict. A (value 0) if the bender is in central position;

Pict. B (value 63) if the bender lever is moved completely rightwards;

Pict. C (value - 63) if the bender lever is moved completely leftwards.

Press EXIT to leave.

Press EXIT again to go back to the main menu.

ATA ENTRY

Once you have pressed button 3, the display visualizes:

Pict. A (value 0) if the potentiometer slider is in low position;

Pict. B (value 127) if the potentiometer slider is in high position.

Press EXIT to leave.

Press EXIT again to go back to the main menu.

Rear Panel check (Socket)

Once you have entered the rear panel test mode rear panel, press button 2.

The display visualizes:

Press button 1, to check DUMPER and EXPRESSION

pedals.

Press button 2, to check the P

ower battery.

Press button 3, to check the MIDI.

DUMPER and EXPRESSION pedals check

Once you have entered the rear panel test mode, press button 1.

The display visualizes:

Press button 1, to check the DUMPER pedal.

Press button 2, to check the EXPRESSION pedal.

DUMPER PEDAL

Insert the Dumper Pedal into the HOLD SWITCH socket.

Once you have entered the pedals test mode, press button 1.

A B

A B C

If you press the pedal, the display visualzes the status (ON) of the pedal (Pict. A); when you release

the pedal, the display visualizes its new status (OFF) (Pict. B).

Press EXIT to leave.

Press EXIT again to go back to the main menu.

EXPRESSION PEDAL

Insert the Expression Pedal into the FOOT PEDAL socket.

Once you have entered the pedals test mode, press button 2.

Before pressing the button, the display visualizes 0 (Pict. A). If you press the pedal to all its stroke,

the display visualizes 127 (Pict. B).

Press EXIT to leave.

Press EXIT again to go back to the main menu.

ower Battery check

Once you have entered the rear panel test mode, press button 2.

The display visualizes a value representing the power battery charge level, expressed in % value

(i.e.: 100 = 100 %).

Press EXIT to leave.

Press EXIT again to go back to the main menu.

Midi c

heck

Once you have entered in the rear panel test mode, press button 3.

The display visualizes:

Press button 1. The display visualizes:

Connect MIDI IN and MIDI OUT A sockets by a Midi cable.

In case of correct data transmission and reception, the display visualizes the writing "go".

In case of failure, the display visualizes "A - I".

Press EXIT to leave.

Press EXIT again to go back to the main menu.

Press button 2. The display visualizes:

A B

A-37

Sept, 2001

Note: 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.

In any case, a tolerance 08-10% is acceptable.

Press EXIT to leave.

Press EXIT again to go back to the main menu.

3) MEMORY CHECK

Once you have entered in test mode, press button 3.

The display visualizes:

The instrument carries out the DEVICE CHECK (Pict. A) automatically.

Caution: Don't turn the power off during this test. If the power goes off accidentally, carry out the test again.

At the end of all the tests, make sure the display visualizes the writing "go" (Pict. B). This means that the

instrument memory has been implemented correctly. In case the display visualizes the writing "Err", it means

that the memory is damaged.

Press EXIT to leave.

To exit, turn the power off.

Note 1: When you turn the power on again, the Factory Setup is carried out automatically.

Note 2: If you press EXIT when the display visualizes the main menu, you enter test mode again.

A B

Connect MIDI IN and MIDI OUT B sockets by a Midi cable.

In case of correct data transmission and reception, the display visualizes the writing "go".

In case of failure, the display visualizes "b - I".

Press EXIT to leave.

Press EXIT again to go back to the main menu.

2) KEYBOARD CHECK

Once you have entered test mode, press the button 2:

The display visualizes:

Press button 1, the display visualizes:

Connect one of the Midi outputs (OUT A or OUT B) to the Midi in of another musical instrument or of a dedica-

ted equipment, provided of a sound source.

Press the keyboard keys. When the keys are released, the display visualizes OFF.

When you press a key, you hear a Piano sound and the display visualizes the velocity level (from 0 to 127).

Press EXIT to leave.

Press EXIT again to go back to the main menu.

AFTER

TOUCH CHECK

Once you have entered the keyboard test, press button 2.

The display visualizes:

Press the keyboard keys. When the keys are released, the display visualizes 0.

If you press the key, the display viasualizes the level of the After Touch function, according to the

pressure put on the key.

Released Key

Key pressed at max pressure

Released key

Pressed key

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A-37

Sept, 2001

BLOCK DIAGRAM

PHOTO

CPU

RESET

KEYSCAN

DATA

LED

MATRIX

BUFFER

SWITCH

MATRIX

JACK BOARD

CPU BOARD

CONTROL BOARD

10MHz

IC10

XINT

XRD

XWR

XCS

16MHz

XIN

XOUTXOUT

RXD3

XRES

BEND-MOD

AN0-AN2

AN4

AN5AN5

P32

P33

P36

D0-D7

P00-P07

MK0-MK9

T0-T7

P10-P13

P20-P27

P50-P52

TXD3

TXD1

OUT2

OUT1

THRU

SUSTAIN

SWITCH

EXPRESSION

PEDAL

INT1

P30

P31

POWER SUPPLY

DC IN 9V

POWER SWITCH

BATTERY

POWER SUPPLY BOARD

VBTY +5VD

BR0-BR9

UNIT

ENTRY

76 KEY

KEYBOARD

AN3

IC12

EEROM

IC5

AFT

SCK

SDA

P56

P55

P57

BUFFERDECODER

DISPLAY

CLK

IC6

IC9

IC2

M38039FFFP

IC7

IC1

BUFFER

IC3

IC2

Q1-Q4

LATCH

3STATE

1 2

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A-37

Sept, 2001

CPU PCB ASSY

ASSY 7772103000

View from component side

SUSTAIN

SWITCH

EXPRESSION

PEDAL

EXPJ

VRL

From CPU Board

SUST

DGND

VRH

(CN5)

VRH

JK4

HLJ_0520_01_010

SBT0160W

JK1

HLJ_0520_01_110

R26

1K8

R27

470K

SBT0160W

CN1

6 WIRE CABLE P2.5

JACK PCB ASSY & CIRCUIT DIAGRAM

ASSY 7697603000

View from component side

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A-37

Sept, 2001

CIRCUIT DIAGRAM (CPU PCB ASSY)

OUT1

OUT2

A37 KEYB

LEFT

RIGHT

HOLD

FOOTPED

THRU

JACK

BOARD

FOR BUILT-IN FLASH

PROGRAMMING

FROM

POWER

SUPPLY

TEST

MODSEL0

MODSEL1

AFTER

TOUCH

TO LEFT CONTROL BOARD

(CN2)

(CN3)

LLD6

LLD1

LLD2

LLD4

LLD3

LLD0

LLD5

BEND

HOLD

DBEAM

BTYCHK

KD0

KD5

KD2

KD3

KD5

KD4

INT

KD4

KD6

KD7

KD1

KD0

KD7

KD2

KD6

KD1

INT

KD7

KD6

KD3

KD5

KD0

KD4

KD1

KD2

XRD

OUT2

XINT

XWR

OUT2

XRD

XCS

XINT

XRD

XCS

XWR

RES

BR10

MK8

BR9

MK9

MK10

MK6

BR0

BR4

BR9

MK2

BR5

BR4

MK5

MK6

MK0

BR0

BR1

MK1

MK7

BR10

MK6

BR3

MK3

MK9

MK3

MK0

MK2

BR1

BR0

BR4

MK1

BR4

MK3

MK4

BR2

MK2

BR0

MK10

MK8

BR3

BR0

BR7 T7

BR7

MK4

MK9

MK1

BR6

MK3

BR6 T5

BR2

MK3

BR6

MK0

BR5

MK5

MK1

BR1

MK8

BR10

MK7

BR3

MK7

BR3

BR10

MK9

MK6

BR9

MK7

BR1

MK1

BR1

MK0

MK5

MK10

BR10

BR2

BR6

MK4

BR7

BR3

BR9

MK5

BR5

BR2

BR6

MK4

MK5

BR7

MK8

MK9

MK7

MK2

BR5

MK8

BR9

HOLD

OUT1

RES

FSCLK

FVPP

FBUSY

FVPP

FXOE

FBUSY

FRES

XCS

XRD

XWR

XINT

RSVD

FSCLK

FXOE

FSDA

BTYCHK

LLD0

LLD2

LLD4

LLD1

LLD3

LLD5

LLD7

MOD

SCK

SDA

SCK

SPD SPD

DIVEN

BEND

MOD

DATA

AFT

RSVD

LLD7

BR8

SCK

SDA

SC3

SSC3

MOD

DATA

BEND

SSD0

SSD3

SSD1

SSD2

SSD1

SSD2

SSD0

SSD1

SSD0

SSD2

SSC2

SC2

LLD6

SSC3

SSC2 SC2

SC3

SSC1

SC1

SSC0 SSC1

SC0

SC0SSC0

SC1

XRES

SDA

DBEAM

FOOTPED

AFT

+5VD

VBTY+5VD

+5VD

VBTY

+5VD

REF

+5VD

D D

REF

5VREF

REF

VBTY

R45

270s

IC5

STMM24 C64_MN6

VCC

SDA

SCL

GND

IC10

SSC1080

VDD

VSS

SC10

PR10

SC9

PR9

SC8

PR8

SC7

PR7

SC6

PR6

SC5

PR5

SC4

PR4

SC3

PR3

SC2

PR2

SC1

PR1

SC0

PR0

CLK

INT

RESET

TEST1

TEST2

R20

22Ks

MA_406_10M000Hz

R21

10Ks

R40

10Ks

C48

27pFs

C58

22pFs

C59

22pFs

C28

100nFs

RA1

8x10Ks

C51

27pFs

SW1

NIU

R36

C29

100nFs

C64

1uF16s

C15

100nFs

DA204K

IC1

6N137

4 5

NC GND

OUT

VCC

C53

27pFs

C23

10uF16s

R34

R22

CN4

AMPC1_2716P

CN6

AMPC1_2720P

1110

R42

1Ks

C33

1uF16s

C36

27pFs

C55

27pFs

CN10

53014_0 310

SBT0460

C12

100nFs

C66

100nFs

R3 3K3s

2SC2412K

C57

27pFs

C49

100nFs

R25

1Ks

IC6

TC74VHC541FT

2010

VCCGND

IC9

TC74HC573AF

2010

VCCGND

C35

27pFs

C61

27pFs

R38

C42

100nFs

IC8

TC7S08F

R43

RA3

8x10Ks

RA6

8x10Ks

RA4

8x10Ks

CN7

NIU

1110

CN9

NIU

1110

R15

10Ks

R16

NIU

IC4

NIU

VCC

SDA

SCL

GND

DTA124EK

27pFs

C32

NIU

C47

100pFs

C14

100nFs

JK1

YKF515054

JK2

YKF515054

SBT0160W

TP6

C17

100nFs

TP5

C18

100nFs

SBT0160W

C31

100nFs

C27

220nF

Poly 5%

C24

NIU

CN8

6 WIRE CABLE P2.5

SBT0160W

R30

NIU

R23

10Ks

SBT0160W

CN1

C_1_27_2510_6002_UN

3 4

5 6

7 8

9 10

10uF16s

C20

1uF16s

C19

100nFs

C62

10nFs

TP1

47uF16s

R33

NIU

C52

27pFs

R46

100s

R26

R27

C65

47uF16s

C16

10uF16s

R2 220s

DTA124EK

R5 220s

R4 220s

C10

100nFs

IC12A

M5223FP

IC12B

M5223FP

R12 220s

R11 220s

C54

27pFs

R17 220s

R13 220s

RA5

8x10Ks

IC12C

M5223FP

CN2

AMPC1_2716P

C11

10uF16s

R6 0s

C56

27pFs

C37

27pFs

R7 0s

R18 NI U

R19 1Ks

C21

10nFs

R9 0s

R10 0s

27pFs

47uF16s

DTA124EK

R29

56Ks

27pFs

R24

10Ks

C60

27pFs

C39

27pFs

MA_406_16M000Hz

R32

47Ks

C25

22pFs

C26

22pFs

DA204K

2 1

C38

27pFs

IC2

M38039FFFP

P00/AN8

P01/AN9

P02/AN10

P03/AN11

P04/AN12

P05/AN13

P06/AN14

P07/AN15

P10/INT41

P11/INT01

P12

P13

P14

P15

P16

P17

P40/INT40/XCOUT

P41/INT00/XCIN

P42/INT1

P43/INT2

P44/RXD1

P27/LED7

P26/LED6

P25/LED5

P24/LED4

P23/LED3

P22/LED2

P21/LED1

P20/LED0

VCC

VSS

CNVSS/VPP

AVSS

VREF

P34/RXD3

P32

P33

P31/DA2

P30/DA1

XOUT

XIN

XRES

P35/TXD3

P36/SCLK3

P37/XSRDY3

P45/TXD1

P46/SCLK1

P47/XSRDY1/CNTR2

P57/INT3

P56/PWM

P55/CONTR1

P54/CONTR0

P53/XSRDY2

P52/SCLK2

P51/SOUT2

P50/SIN2

P67/AN7

P66/AN6

P65/AN5

P64/AN4

P63/AN3

P62/AN2

P61/AN1

P60/AN0

C41

27pFs

DTC114EK

IC3

NIU

CN5

6 WIRE CABLE P2.5

10nFs

IC7

M51953A

GND

RES

CAP

VCC

22Ks

R28

10Ks

C40

27pFs

C30

100uF16s

22Ks

C63

100nFs

C44

27pFs

TP4

C43

27pFs

C13

100nFs

TP3

RA2

4x10Ks

C46

27pFs

R41

10Ks

CN3

AMPC1_2714P

R14

10Ks

C45

27pFs

IC11

TC7S04F

2 4

C22

100nFs

IC13C

TC7WU04F

6 2

IC13B

TC7WU04F

3 5

R44

1Ms

TP2

IC13A

TC7WU04F

1 7

IC13D

TC7WU04F

C34

100nFs

C50

27pFs

12345678910 12131415161718192021222324252627282930

A-37

Sept, 2001

POWER SUPPLY PCB ASSY & CIRCUIT DIAGRAM

ASSY 7772105000

LEFT CONTROL PCB ASSY ASSY 7772102000

View from component side

DC IN 9V

BATTERY

To CPU Board

(MN1500 6 pcs)

(CN8)

VCCVBT

VBT

VCC

TN6717A

SW1

SSSP12114A

1 2

C15

100nFC

C14

100nFC

FL1

PLT1R53C

CN4

CONN_2X1

R24

270

47uF16

100uF16

1N4001

1 2

BZX79C5V6

1 2

C21

10uF16

CN3

6 WIRE CABLE P2.5

JK3

HEC047001630

C22

10uF16

12345678910 12131415161718192021222324252627282930

A-37

Sept, 2001

FROM CPU BOARD

TO RIGHT CONTROL BOARD

YEL

RED

ORG

BRW N

GRN

BLEU

TO MOD-BENDER UNIT

LOWER UPPER SPLIT CONTROL

DATA PROGRAM A/B 1

2345

876

CHANGE

LOWER

UPPER

SPLIT

CONTROL

DATA

PROGRAM

CHANGE

DISPLAY 3X7 SEGMENTS

CL0

CL1

CL2

CL3

(CN2)

(CN3)

(CN1)

ALL LEDS ARE:

EVQPAE05R

5L53SRDD_RED

ALL SWITCHES ARE:

SSD0

SSD1

SSD2

SSD3

MOD

BEND

DATA

SSD1

SSD0

LLD0

LLD2

LLD4

LLD6

LLD1

LLD3

LLD5

LLD7

RW1

RW2

RW3

RW4

RW5

RW7

RW6

LLD0

LLD1

LLD2

LLD3

LLD4

LLD5

LLD6

LLD7

DATA

MOD

RW5

RW6

RW7

RW2

DRW0

RW1

RW3

RW0

DRW0

RW4

DRW0

RW0

SSD2

SSD3

BEND

DRW5

DRW2

DRW5

DRW1

DRW2

DRW3

DRW4

DRW5

DRW2

DRW3

DRW3DRW5

DRW1

DRW4

DRW2

DRW4

YY3

DRW7

DRW6

DRW7

DRW6

DRW7

DRW6

CL3

DRW7

CL3 SSD3

SSD1

SSD0

SSD2

YY3

SC0 Y0

SC1

Y2SC2

SC3

SC2

SC0

SC3

REF

5VREF +5VD

+5VD

REF

5VREF

REF

5VREF

+5VD

D16

D15

CN1

14 WIRE CABLE P1.27

220I

IC2

74HC138P

G2A

G2B

VCC

GND

DS1

LB603VF

DP2

A1ac2

DP1

DP3

A1b

D10

RN2227

100nF

220I

RN2227

D11

D12

220I

100nF

CN4

53015_0 610

VR1

POT. SLIDER 100KB 10MS

SW13

SW9

SW5

SW1 SW2

SW14

SW10

SW6

CN2

SW11

SW7

SW3

SW12

SW8

SW15

SW4

47uF16

R10

10K

IC3

TD62583AP

109

NCGND

NIU

CN3

D13

D14

CIRCUIT DIAGRAM (LEFT CONTROL PCB ASSY)

12345678910 12131415161718192021222324252627282930

A-37

Sept, 2001

RIGHT CONTROL PCB ASSY & CIRCUIT DIAGRAM ASSY 7772101000

View from component side

TRANSPOSE

ENTER

DOWN UP

EXIT

WRITE

START/STOP

TRANSPOSE

START/STOP

FROM LEFT CONTROL BOARD

(CN1)

SSD3

SSD2

SSD1

SSD2

SSD3

DRW7

YY3

CL3

DRW6

SSD0

YY3

SSD0

DRW6

CL3

DRW7

CN1

AMPC1_2714P

SW1

SW5

SW3

SW6

SW4

SW7

SW2

12345678910 12131415161718192021222324252627282930

A-37

Sept, 2001

LEFT CONTACT PCB ASSY w/RUBBER ASSY 7695005000

CIRCUIT DIAGRAM (LEFT CONT.PCB ASSY)

CIRCUIT DIAGRAM (RIGHT CONT.PCB ASSY)

RIGHT CONTACT PCB ASSY w/RUBBER

ASSY 7695004000

View from component side

Roland A-37 Owner's manual

Roland A-37 Owner's manual

Roland A-37 Owner's manual

Related papers

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