PDF User Manual

  1. Home
  2. Manuals
  3. Roland GC-408 Service Notes

Roland GC-408 Service Notes

GC-408S

Made by: Roland
Type: Service Notes
Category: Amplifier
Pages: 14
Size: 1.79 MB

 

Download PDF User Manual



Full Text Searchable PDF User Manual



background image

SPECIFICATIONS

GC-408:Guitar Amplifier

Rated Power Output

60 W/8 

80 W/4 

(When the speaker box GC-408 is connected.)

Nominal Input Level ( @ 1 kHz )

CLEAN Channel

INPUT HIGH  -36 dBm / 680k 

INPUT LOW  -26 dBm / 100k 

LEAD Channel

INPUT HIGH  -65 dBm / 680k 

INPUT LOW  -55 dBm / 100k 

0 dBm = 0.775 Vrms

Speakers

20 cm ( 8 inches) x 4

Controls

CHANNEL SELECT Switch
CLEAN Channel

BRIGHT Switch
VOLUME Knob

LEAD Channel

BOOST Switch
PRE VOLUME Knob
POST VOLUME Knob

EQUALIZER

BASS Knob
MIDDLE Knob
TREBLE Knob

MASTER

REVERB Knob
PRESENCE Knob
LOW CUT Switch
SQUEEZE LEVEL Switch
POWER SQUEEZER Switch
POWER Switch (w/Indicator)

Indicator

CLEAN Channel
LEAD Channel

Connectors

INPUT Jack(HIGH,LOW)
FOOT SWITCH Jack(CHANNEL, SELECT, BOOST, REVERB)
EFFECT SEND Jack
EFFECT RETURN Jack
EXTERNAL SP OUT Jack

Power Supply

100V(50Hz/60Hz),117V,230V or 240V

Power Consumption

60W(AC 100V) / 80W(117V/230V/240V)

Dimensions

561 (W)x 316 (D)x 576 (H) mm 
22-1/8 (W) x 12-1/2 (D) x 22-11/16 (H) inches

Weight

20.6 kg / 45 lbs 7 oz

Accessories

Owner's Manual English

(SS000103)

Owner's Manual Japanese

(SS000104)

Options

Footswitch FS-5L(BOSS)
External speaker box GC-408S

GC-408S:Speaker Box

Speakers

20 cm ( 8 inches) x 4

Rated Input

80 W

Impedance

Connector

INPUT Jack

Dimensions

561 (W)x 335 (D)x 528 (H) mm 
22-1/8 (W) x 13-3/16 (D) x 20-13/16 (H) inches

Weight

16.6 kg / 36 lbs 10 oz

Accessories

Owner's Manual English

(SS000105)

Owner's Manual Japanese

(SS000106)

Connection Cable

(SS000155)

(EXT S/P CABLE)

GC-408/GC-408S

Dec,  1997

GC-408/GC-408S

TABLE OF CONTENTS

Page

SPECIFICATIONS•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••1

PANEL LAYOUT •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••2

EXPLODED VIEW

GC-408 CABINET •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••3

GC-408S CABINET •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••4

CHASSIS••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••5

NOTICE •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••6

WIRING DIAGRAM•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••7~10

PARTS LIST •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••11,12

CIRCUIT BOARD ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••13

CIRCUIT DIAGRAM •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••14

Printed in Japan  (CR)  AD00  1

17059906

Issued by RJA

Copyright  c 1997 by ROLAND CORPORATION

All rights reserved. No part of this publication may be reproduced in any form without the written permission of 

ROLAND CORPORATION.

GC-408 

:

GUITAR amplifier

gc-408s 

:

speaker box

 


background image

2

LOCATION OF CONTROLS

Dec,  1997

GC-408/GC-408S

[PARTS]

No.

Part Cord

Part Name

q

SS000115

PHONE JACK MONO 12.5M/M

SS000055

NUT BK ABS JACK

w

SS000065

BUTTON PNBB-18

SS000020

PUSH SWITCH JDPA-21SA

e

~

i

SS000066

KNOB CNBB-09

e

SS000011

POTENTIOMETER A50k V/R 16F

r

SS000013

POTENTIOMETER B250k V/R 16F

t

SS000012

POTENTIOMETER B20k V/R 16F

y

SS000126

POTENTIOMETER A500k V/R 16F

u

SS000127

POTENTIOMETER B10k V/R 16F

i

SS000015

POTENTIOMETER C10k V/R 16F

o

SS000132

POWER SWITCH H8660VB

!0

SS000021

AC SWITCH H8653VB

!1

SS000123

LED KLG124

!2

SS000122

LED KLR124

!3

SS000141

PANEL (FRONT/REAR)

GC-408 [FRONT VIEW]

GC-408 [REAR VIEW]

 


background image

3

GC-408 CABINET EXPLODED VIEW

[PARTS]

No. Part Cord

Part Name

q

SS000139

CABINET ASSY

w

SS000070

CORNER CSN-03

e

SS000160

RUBBER FOOT RF-02

r

SS000076

HANDLE HDBK-02

t

SS000077

HANDLE BRACKET HBNI-02

y

17055028

REVERB UNIT 8DB2C1E

u

SS000135

SPEAKER GC-408/S

i

SS000167

ANGLE BRACKET

o

SS000050

TAPPING SCREW NI TH1 3.5x12

!0

SS000145

TAPPING SCREW BK TH1 3.5x 18

!1

SS000148

MACHINE SCREW BK OH 4x25

!2

SS000054

WASHER BK NAVEL 4ø

!3

SS000051

MACHINE SCREW NI OH M4x32

!4

SS000047

TAPPING SCREW BK TH1 3.5x15

!5

SS000147

MACHINE SCREW BK TH M4x20

!6

SS000171

TAPPING SCREW BK FH1 2.6x10

!7

SS000049

TAPPING SCREW BK OH1 3.5x45

!8

SS000152

TAPPING SCREW NI FH1 3.5x15

!9

SS000146

TAPPING SCREW BK TH1 3.5x35

@0

SS000156

RUBBER SHEET

@1

SS000166

VENT COVER

@2

SS000150

TAPPING SCREW BK OH1 3.5x15

@3

SS000110

BAFFLE BOARD ASSY

@4

SS000114

BACK BOARD ASSY

GC-408/GC-408S

Dec,  1997

q

SS000139

CABINET ASSY

Replacement CABINET ASSY includes the following parts.

e

SS000160

RUBBER FOOT RF-02

w

SS000075

CORNER CSN-03

r

SS000076

HANDLE HDBK-02

t

SS000077

HANDLE BRAKET HBNI-02

@0

SS000156

RUBBER SHEET

@4

SS000114

BACK BOARD ASSY

Replacement BACK BOARD ASSY includes the following parts.

@1

SS000166

VENT COVER For BACK BOARD

@3

SS000110

BAFFLE BOARD ASSY

Replacement BAFFLE BOARD ASSY includes the following parts.

!6

SS000161

LOGO ROLAND(LARGE)

i

SS000167

ANGLE BRACKET

 


background image

4

GC-408S CABINET EXPLODED VIEW

[PARTS]

No. Part Cord

Part Name

q

SS000140

CABINET ASSY

w

SS000070

CORNER CSN-03

e

SS000160

RUBBER FOOT RF-02

r

SS000076

HANDLE HDBK-02

t

SS000077

HANDLE BRACKET HBNI-02

y

* * * * * * * *

u

SS000135

SPEAKER GC-408/S

i

SS000167

ANGLE BRACKET

o

SS000050

TAPPING SCREW NI TH1 3.5x12

!0

SS000145

TAPPING SCREW BK TH1 3.5x 18

!1

* * * * * * * *

!2

* * * * * * * *

!3

SS000051

MACHINE SCREW NI OH M4x32

!4

* * * * * * * *

!5

SS000147

MACHINE SCREW BK TH M4x20

!6

SS000171

TAPPING SCREW BK FH1 2.6x10

!7

SS000049

TAPPING SCREW BK OH1 3.5x45

!8

SS000152

TAPPING SCREW NI FH1 3.5x15

!9

SS000146

TAPPING SCREW BK TH1 3.5x35

@0

SS000156

RUBBER SHEET

@1

* * * * * * * *

@2

* * * * * * * *

@3

SS000133

PCB ASSY

@4

SS000055

NUT BK ABS JACK

@5

SS000168

BLACK PLATE

@6

SS000144

TAPPING SCREW BK TH1 3.5x10

@7

SS000111

BAFFLE BOARD ASSY GC-408S

@8

SS000109

BACK BOARD ASSY GC-408S

Dec,  1997

GC-408/GC-408S

q

SS000140

CABINET ASSY GC-408S

Replacement CABINET ASSY includes the following parts.

e

SS000160

RUBBER FOOT RF-02

w

SS000070

CORNER CSN-03

r

SS000076

HANDLE HDBK-02

t

SS000077

HANDLE BRAKET HBNI-02

@0

SS000156

RUBBER SHEET

@8

SS000109

BACK BOARD ASSY GC-408S

Replacement BACK BOARD ASSY includes the following parts.

@5

SS000168

BACK PLATE

For BACK BOARD

@7

SS000111

BAFFLE BOARD ASSY GC-408S

Replacement BAFFLE BOARD ASSY includes the following parts.

!6

SS000161

LOGO ROLAND(LARGE)

i

SS000167

ANGLE BRACKET

 


background image

5

CHASSIS EXPLODED VIEW

[PARTS]

No. Part Cord

Part Name

q

SS000112

CHASSIS (FOR 100V/230V/230VE/240V VERSION)

SS000113

CHASSIS (FOR 117V VERSION)

w

SS000141

PANEL(Front / Rear)

e

SS000128

POWER TRANSFORMER GC-408J 100V

SS000129

POWER TRANSFORMER GC-408U 117V

SS000130

POWER TRANSFORMER GC-408ES 230V

SS000131

POWER TRANSFORMER GC-408S 240V

r

SS000138

AC CORD 100V PHP209 VCTFK

SS000040

AC CORD 117V KKP30A/SJT

SS000035

AC CORD 230VD KKP4819R

SS000036

AC CORD 230VE SRS.III

SS000022

AC CORD 240V KKP550

t

SS000162

HEAT SINK HS-15

y

SS000133

PCB ASSY

u

SS000021

AC SWITCH H8653VB

i

SS000132

POWER SWITCH H8660VB

o

SS000066

KNOB CNBB-09

!0

SS000065

BUTTON PNBB-18

!1

SS000055

NUT BK ABS JACK

!2

SS000060

NUT NA 6N-M7

!3

SS000058

WASHER NA PLATE 7ø

!4

SS000158

SUPPORT DABS 16R

!5

SS000053

MACHINE SCREW  NA PHSW M4x10

!6

SS000059

NUT NA FURANCHI M4

GC-408/GC-408S

Dec,  1997

 


background image

6

NOTICE

Dec,  1997

GC-408/GC-408S

Some basic tips to keep in mind when you replace a component

1. Caution labels

When you replace the chassis, place caution labels to the

replacement chassis.

Please refere to the following diagrams.

2. Reverb unit

Reverb unit is placed to cabinet directly by wood screw.

When you place a reverb unit to the new replacement cabinet,

lock it in specified position.

Please refere to the following diagrams.

Switch Caution Sticker
(P/No.40017089)
(117V only)

Fuse Caution Sticker
(P/No.40124690)
(117V only)

Earth Seal
(P/No.40013812)
(117V/230VD/230VE/240V)

[SIDE VIEW

 


background image

7

WIRING DIAGRAM

GC-408/GC-408S

Dec,  1997

IMPORTANT NOTE ! (For 117V version)

When you replace the AC Switch for 117V version, basic safety

precations should always be followed including the following.

(Refer to fig 1.)

Switch Cover

Secured by nylon tie tightly

Glue : 1603HFR (Flame Class: 94V-0) HAN NONG POLYMER CO.LTD.

P/No. SS000107

AC Switch

NOTE : Mounting of AC Switch

The switch cover must be secured to the ac switch by nylon tie.

The gap between Metal Chassis and Switch Cover must be filled up with glue with flammability of 94V-0.

Fig.1

 


background image

8

GC-408/GC-408S

Dec,  1997

WIRING DIAGRAM

408 SPEAKER

IN

OUT

 


background image

9

GC-408/GC-408S

Dec,  1997

WIRING DIAGRAM

408S SPEAKER

 


background image

10

GC-408/GC-408S

Dec,  1997

NOTE:The parts marked    have safety-related characteristics.

Use only listed parts for replacement.

q

* * * * * * * *

TRANSFORMER SEC.LEAD WIRE.(RED)

w

* * * * * * * *

TRANSFORMER SEC.LEAD WIRE.(BLK)

e

* * * * * * * *

TRANSFORMER SEC.LEAD WIRE.(RED)

r

* * * * * * * *

TRANSFORMER PRI.LEAD WIRE.(WHT)

t

* * * * * * * *

TRANSFORMER PRI.LEAD WIRE.(BLK)

y

SS000177

POWER LINE WIRE (BLK)

u

SS000178

POWER LINE WIRE 150MM (WHT)

i

SS000177

POWER LINE WIRE (BLK)

o

SS000180

POWER LINE WIRE 100MM (WHT)

AC CORD

100V

117V

230VE/240VD

!0

WHITE

WHITE

BLUE

!1

BLACK

BLACK

BROWN

!2

none

GREEN

YLW/GRN

!3

SS000181

EXTERNAL SPEAKER WIRE (BLK)

!4

SS000182

EXTERNAL SPEAKER WIRE (WHT)

!5

SS000183

SPEAKER WIRE (BLK)

!6

SS000198

SPEAKER WIRE (WHT)

!7

SS000186

GND CABLE (BLK)

!8

SS000080

REVERB CABLE

!9

SS000186

GND CABLE (BLK)

@0

SS000187

LINE GND CABLE (YLW/GLY)230/240V ONLY

@1

SS000196

SPEAKER SYSTEM WIRE (WHT)

@2

SS000197

SPEAKER SYSTEM WIRE (BLK)

@3

SS000155

EXT S/P CABLE L=300M/M(BLK)

a

SS000188

SEND/RETURN WIRE (WHT/BRU/YLW)

b

SS000189

REVERB WIRE (YLW/BLU)

c

SS000190

BOOST WIRE (YLW/BLU)

d

SS000191

C/H SELECT WIRE (WHT/BLU)

e

SS000192

POWER TR WIRE (RED/WHT/BLU)

f

SS000192

POWER TR WIRE (RED/WHT/BLU)

g

SS000163

POWER SQUEEZER WIRE 2pin

h

SS000164

POWER SQUEEZER WIRE 3pin

WIRING DIAGRAM PARTS LIST

WIRING DIAGRAM

!

!

!

!

!

!

!

!

 


background image

GC-408 PARTS LIST

SAFETY PRECAUTIONS:*2

         The parts marked     have

         safety-related characteristics.

         Use only listed parts for

         replacement.

!

CONSIDERATIONS ON PARTS ORDERING

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.

RESISTOR

#

SS000125

RESISTOR RS TYPE 220ohm/2W 

26222000506

R13,89 

#

SS000124

CEM RES. RWC5 TYPE 0.33ohm/5W 

26030000806

R55-57

POTENTIOMETER

#

SS000011

POT.A50K V/R 16F

27311221504

VR2

#

SS000126

POT.A500K V/R 16F

27311221505

VR5

#

SS000127

POT.B10K V/R 16F

27311222104

VR6

SS000012

POT.B20K V/R 16F

27311222204

VR3,4

SS000013

POT.B250K V/R 16F

27311222255

VR1,7

SS000015

POT.C10K V/R 16F

27311223104

VR8

CAPACITOR

#

SS000120

CAP.ELE.2200uF/50V

22322600500

C18,70

#

SS000121

CAP.YE-472M 0.0047uF/250V

22847202500

C44,50

FUSE,FUSE HOLDER

#

SS000137

FUSE 100V/117V 51S 2.5A/125V

44052500520

#

SS000136

FUSE 230V/240V 50T T1.25A/250V

44011200520

#

SS000134

FUSE HOLDER 25M/M

37520538211

TERMINAL

SS000084

TERMINNAL 187/0.5T

90001870082

CH-GND,L-GND,L-HOT,L-COLD,

P-S/W,T-HOT,T-COLD

WIRING,CABLE

SS000080

REVERB CABLE

70125402001

#

SS000163

POWER SQUEEZER WIRE 2pin

70139602001

#

SS000164

POWER SQUEEZER WIRE 3pin

70139603001

#

SS000177

POWER LINE WIRE (BLK)

#

SS000178

POWER LINE WIRE 150MM (WHT)

#

SS000180

POWER LINE WIRE 100MM (WHT)

#

SS000181

EXTERNAL SPEAKER WIRE (BLK)

#

SS000182

EXTERNAL SPEAKER WIRE (WHT)

#

SS000183

SPEAKER WIRE (BLK)

#

SS000186

GND CABLE (BLK)

#

SS000187

LINE GND CABLE (YLW/GLY)230/240V ONLY

#

SS000188

SEND/RETURN WIRE (WHT/BRU/YLW)

#

SS000189

REVERB WIRE (YLW/BLU)

#

SS000190

BOOST WIRE (YLW/BLU)

#

SS000191

C/H SELECT WIRE (WHT/BLU)

#

SS000192

POWER TR WIRE (RED/WHT/BLU)

#

SS000198

SPEAKER WIRE (WHT)

TRANSFORMER

#

SS000128

TRANSFORMER GC-408J 100V

28618580012

#

SS000129

TRANSFORMER GC-408U 117V

28628580012

#

SS000130

TRANSFORMER GC-408ES 230V

28648580012

#

SS000131

TRANSFORMER GC-408S 240V

28658580012

AC CORD

#

SS000138

AC CORD 100V PHP209 VCTFK

51106350009

SS000034

AC CORD 117V KKP30A/SJT

51106350003

SS000035

AC CORD 230VD KKP4819R

51106350005

SS000036

AC CORD 230VE SRS.III

51106350008

SS000022

AC CORD 240V KKP550

51106350004

SCREW

SS000050

TAPPING SCREW NI TH1 3.5x12

60000001402

For CORNER

SS000171

TAPPING SCREW BK FH1 2.6x10

60000000202

For LOGO

SS000047

TAPPING SCREW BK TH1 3.5x15

60000000404

For WIRE CLAMP

#

SS000145

TAPPING SCREW BK TH1 3.5x18

60000000405

For RUBBER FOOT

#

SS000151

TAPPING SCREW BK TH1 3.5x20

60041502025

For REVERB UNIT

#

SS000146

TAPPING SCREW BK TH1 3.5x35

60000000411

For BACK BOARD

#

SS000150

TAPPING SCREW BK OH1 3.5x15

60011501521

For VENT COVER

#

SS000049

TAPPING SCREW BK OH1 3.5x45

60000000410

For CABINET SIDE

#

SS000152

TAPPING SCREW NI FH1 3.5x15

60052501521

For ANGLE BRACKET

#

SS000147

MACHINE SCREW BK TH M4x20

60000000503

For SPEAKER

#

SS000148

MACHINE SCREW BK OH M4x25

60000000504

For CHASSIS

SS000051

MACHINE SCREW NI OH M4x32

60000001507

For HANDLE BRACKET

SS000052

MACHINE SCREW NA PHW M3x10

60000003305

For TR

SS000053

MACHINE SCREW NA PHSW M4x10

60000003502

For HEAT SINK,GND,TRANS

SS000054

WASHER BK NAVEL 4 FAI

60000009010

For CABINET TOP & SIDE

SS000058

WASHER NA PLATE 7 FAI

60000009321

For VR

SS000055

NUT BK ABS JACK

60000009062

For PHONE JACK

#

SS000149

BK T NUT M4

60000009090

For CABINET BAFFLE BOARD & TOP BOARD

SS000059

NUT NA FURANCH M4

60000009350

For TRANS,GND

SS000060

NUT NA 6N-M7

60000009362

For VR

PACKING CASE

#

SS000142

OUTER PACKING

55112000000

MISCELLANEOUS

SS000067

RUBBER BUSH BR-01

60320000001

For SPEAKER CABLE

#

SS000156

RUBBER SHEET

60331510000

For BAFFLE BOARD

#

SS000158

SUPPORT DABS 16R

60351600000

For PCB 

SS000069

STRAIN RELIEF 4NF/16

60370000002

For REVERB CORD

SS000070

STRAIN RELIEF 5NF/16

60370000003

For AC CORD 100,230E,230D,240V

SS000071

STRAIN RELIEF 6NR16

60370000004

For AC CORD 117V

#

SS000162

HEAT SINK HS-15

60610460015

#

SS000165

INSULATING SHEET SET  TO-3

90000100301

For Q5,Q6

#

SS000159

COUPLER COVER 521201

60362521201

For 117V AC SWITCH

#

SS000107

GLUE 1603HFR HAN NONG POLYMER CO LTD

For 117V AC SWITCH

40124690

FUSE CAUTION STICKER

40017089

SWITCH CAUTION STICKER

40013812

EARTH SEAL

ACCESSORIES(Standard)

#

SS000103

OWNER'S MAMUAL ENGLISH

#

SS000104

OWNER'S MANUAL JAPANESE

11

NOTE1:The parts marked # are new.

NOTE2:The parts marked # have safety-related characteristics.

Use only listed parts for replacement.

CABINET

#

SS000139

CABINET ASSY

52112000000

NOTE1:Replacement CABINET ASSY includes the following parts.

#

SS000160

RUBBER FOOT RF-02

60381030001

SS000075

CORNER CSN-03

60420220001

SS000076

HANDLE HDBK-02

60513110001

SS000077

HANDLE BRAKET HBNI-02

60523020001

SS000156

RUBBER SHEET

60331510000

#

SS000110

BAFFLE BOARD ASSY

NOTE2:Replacement BAFFLE BOARD ASSY includes the following parts.

#

SS000161

LOGO ROLAND(LARGE)

60391310101

SS000167

ANGLE BRACKET

90120100000

SS000114

BACK BOARD ASSY

NOTE3:Replacement BACK BOARD ASSY includes the following parts.

#

SS000166

VENT COVER

90090300001

For BACK BOARD

CHASSIS

#

SS000112

CHASSIS(FOR 100V/230V/230VE/240V VERSION)

#

SS000113

CHASSIS(FOR 117V VERSION)

#

SS000141

PANEL

53112000000

for Front,Back

KNOB, BUTTON

SS000066

KNOB CNBB-09

60315303101

SS000065

BUTTON PNBB-18

60312300302

SWITCH

SS000020

PUSH SWITCH JDPA-21SA

30324020021

S5,6,8,SW4,7

SS000132

POWER SWITCH H8660VB

30514048660

S2

SS000021

AC SWITCH H8653VB

30514028653

SW1

JACK, SOCKET

SS000115

PHONE JACK MONO 12.5M/M

JK1-7,9

SPEAKER

#

SS000135

SPEAKER GC-408/S

40160908034

REVERB UNIT

17055028

REVERB UNIT 8DB2C1E

PWB ASSY

#

SS000133

PCB ASSY 

33030040810

MAIN BOARD / EFFECT LOOP JACK BOARD / PHONE JACK BOARD

NOTE2:Replacement PCB ASSY does not includes fuse. When you replace the 

PCB ASSY, be sure to order specific fuses separately.(refer to TABLE A)

NOTE1:Replacement PCB ASSY includes the following parts.

TABLE A
100V/117V

51S 2.5A/125V  (44052500520)PNo.SS000137

230V/240V

50T T1.25A/250V(44011200520)PNo.SS000136

IC

15189129

IC OP AMP TL072CP

IC1-5

TRANSISTOR

SS000003

TRANSISTOR KTA1266

21211266201

Q10,14,102,109

SS000004

TRANSISTOR KTC3198

21233198200

Q13,16,17,18,20,22-24,101

15139139

TRANSISTOR 2SK30AY

Q1-4,15,25,100

15119604

TRANSISTOR 2SB649AC

Q8,12,21

15129604

TRANSISTOR 2SD669AC

Q7,9,11

SS000117

TRANSISTOR 2SB816E

21320816054

Q6

SS000118

TRANSISTOR 2SD1046E

21341046054

Q5

DIODE

15019126

DIODE 1SS133

D1-5,8-14,18,26,27,28,100

01459378

ZENER DIODE MTZJ2.0B

D22,23,101,102

SS000108

ZENER DIODE 4.7V

D16,17

SS000116

16V ZENER DIODE 1N4745A

D15,19,20

#

SS000119

BRIDGE DIODE KBPC606

21580806060

D21

#

SS000122

LED KLR124

23030300001

D7

#

SS000123

LED KLG124

23030300021

D6

!

GC-408/GC-408S

Dec,  1997

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

 


background image

GC-408S PARTS LIST

SAFETY PRECAUTIONS:*2

         The parts marked     have

         safety-related characteristics.

         Use only listed parts for

         replacement.

!

CONSIDERATIONS ON PARTS ORDERING

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.

12

NOTE1:The parts marked # are new.

NOTE2:The parts marked # have safety-related characteristics.

Use only listed parts for replacement.

CABINET

#

SS000140

CABINET ASSY GC-408S

52114000000

NOTE1:Replacement CABINET ASSY includes the following parts

#

SS000160

RUBBER FOOT RF-02

60381030001

SS000070

CORNER CSN-03

60420220001

SS000076

HANDLE HDBK-02

60513110001

SS000077

HANDLE BRAKET HBNI-02

60523020001

SS000156

RUBBER SHEET

60331510000

#

SS000111

BAFFLE BOARD ASSY GC-408S

NOTE2:Replacement BAFFLE BOARD ASSY includes the following parts.

#

SS000161

LOGO ROLAND(LARGE)

60391310101

SS000167

ANGLE BRACKET

90120100000

SS000109

BACK BOARD ASSY

NOTE3:Replacement BACK BOARD includes the following parts.

#

SS000168

BACK PLATE

90140000001

For BACK BOARD

JACK

SS000115

PHONE JACK MONO 12.5M/M

JK10

SPEAKER

#

SS000135

SPEAKER GC-408/S

40160908034

WIRING,CABLE

#

SS000183

SPEAKER WIRE (BLK)

#

SS000196

SPEAKER SYSTEM WIRE (WHT)

#

SS000197

SPEAKER SYSTEM WIRE (BLK)

#

SS000198

SPEAKER WIRE (WHT)

SCREW

SS000050

TAPPING SCREW NI TH1 3.5x12

60000001402

For CORNER

SS000171

TAPPING SCREW BK FH1 2.6x10

60000000202

For LOGO

SS000144

TAPPING SCREW BK TH1 3.5x10

60000000401

For BACK PLATE

SS000047

TAPPING SCREW BK TH1 3.5x15

60000000404

For WIRE CLAMP

#

SS000145

TAPPING SCREW BK TH1 3.5x18

60000000405

For RUBBER FOOT

#

SS000049

TAPPING SCREW BK 0H1 3.5X45

60000000410

For CABINET SIDE

#

SS000146

TAPPING SCREW BK TH1 3.5x35

60000000411

For BACK BOARD

#

SS000152

TAPPING SCREW NI FH1 3.5x15

60052501521

For ANGLE BRACKET

#

SS000147

MACHINE SCREW BK TH M4x20

60000000503

For SPEAKER

SS000051

MACHINE SCREW NI OH M4x32

60000001507

For HANDLE BRACKET

SS000054

WASHER BK NAVEL 4 FAI

60000009010

For CABINET TOP & SIDE

SS000055

NUT BK ABS JACK

60000009062

For PHONE JACK

#

SS000149

BK T NUT M4

60000009090

For CABINET BAFFLE BOARD

PACKING CASE

#

SS000143

OUTER PACKING

55114000000

MISCELLANEOUS

#

SS000156

RUBBER SHEET

60331510000

For BAFFLE BOARD

ACCESSORIES(Standard)

#

SS000105

OWNER'S MAMUAL ENGLISH

#

SS000106

OWNER'S MANUAL JAPANESE

#

SS000155

EXT S/P CABLE GC-408S

60207004082

!

Dec,  1997

GC-408/GC-408S

 


background image

13

CIRCUIT BOARD

GC-408/GC-408S

Dec,  1997

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

The PCB ASSY has reviced from the 2nd lot.

There is no difference in circuit structure.

(The following diagram is effective for 1st lot.

Until Serial No.ZK21099.)

SERVICE RESPONCE

Unnecessary since the circuit structure

of PCB ASSY fas not been changed.

CHANGE INFORMATION

 


background image

14

CIRCUIT DIAGRAM

Dec,  1997

GC-408/GC-408S

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U