Roland GC-408, 408S Guitar Amp Service Manual 电路图.pdf

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1、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 ChannelINPUT HIGH -36 dBm / 680k INPUT LOW -26 dBm / 100k LEAD ChannelINPUT HIGH -65 dBm / 680k INPUT LOW -55 dBm / 100k 0 dBm = 0.775 Vrms Speakers

2、 20 cm ( 8 inches) x 4 Controls CHANNEL SELECT Switch CLEAN ChannelBRIGHT Switch VOLUME Knob LEAD ChannelBOOST Switch PRE VOLUME Knob POST VOLUME Knob EQUALIZERBASS Knob MIDDLE Knob TREBLE Knob MASTERREVERB Knob PRESENCE Knob LOW CUT Switch SQUEEZE LEVEL Switch POWER SQUEEZER Switch POWER Switch (w/

3、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

4、 (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 Owners Manual English(SS000103) Owners 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

5、 80 W Impedance 8 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 Owners Manual English(SS000105) Owners Manual Japanese(SS000106) Connection Cable(SS000155) (EXT S/P CABLE) GC-408/GC-408S Dec, 1997

6、GC-408/GC-408S TABLE OF CONTENTSPage SPECIFICATIONS1 PANEL LAYOUT 2 EXPLODED VIEW GC-408 CABINET3 GC-408S CABINET 4 CHASSIS5 NOTICE 6 WIRING DIAGRAM710 PARTS LIST11,12 CIRCUIT BOARD 13 CIRCUIT DIAGRAM14 Printed in Japan (CR) AD00 1 17059906 Issued by RJA Copyright c 1997 by ROLAND CORPORATION All ri

7、ghts 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 RadioFans.CN 收音机爱 好者资料库 2 LOCATION OF CONTROLS Dec, 1997GC-408/GC-408S PARTS No.Part CordPart Name qSS000115PHONE JACK MONO 12.

8、5M/M SS000055NUT BK ABS JACK wSS000065BUTTON PNBB-18 SS000020PUSH SWITCH JDPA-21SA eiSS000066KNOB CNBB-09 eSS000011POTENTIOMETER A50k V/R 16F rSS000013POTENTIOMETER B250k V/R 16F tSS000012POTENTIOMETER B20k V/R 16F ySS000126POTENTIOMETER A500k V/R 16F uSS000127POTENTIOMETER B10k V/R 16F iSS000015POT

9、ENTIOMETER C10k V/R 16F oSS000132POWER SWITCH H8660VB !0SS000021AC SWITCH H8653VB !1SS000123LED KLG124 !2SS000122LED KLR124 !3SS000141PANEL (FRONT/REAR) GC-408 FRONT VIEW GC-408 REAR VIEW RadioFans.CN 收音机爱 好者资料库 3 GC-408 CABINET EXPLODED VIEW PARTS No.Part CordPart Name qSS000139CABINET ASSY wSS0000

10、70CORNER CSN-03 eSS000160RUBBER FOOT RF-02 rSS000076HANDLE HDBK-02 tSS000077HANDLE BRACKET HBNI-02 y17055028REVERB UNIT 8DB2C1E uSS000135SPEAKER GC-408/S iSS000167ANGLE BRACKET oSS000050TAPPING SCREW NI TH1 3.5x12 !0SS000145TAPPING SCREW BK TH1 3.5x 18 !1SS000148MACHINE SCREW BK OH 4x25 !2SS000054WA

11、SHER BK NAVEL 4 !3SS000051MACHINE SCREW NI OH M4x32 !4SS000047TAPPING SCREW BK TH1 3.5x15 !5SS000147MACHINE SCREW BK TH M4x20 !6SS000171TAPPING SCREW BK FH1 2.6x10 !7SS000049TAPPING SCREW BK OH1 3.5x45 !8SS000152TAPPING SCREW NI FH1 3.5x15 !9SS000146TAPPING SCREW BK TH1 3.5x35 0SS000156RUBBER SHEET

12、1SS000166VENT COVER 2SS000150TAPPING SCREW BK OH1 3.5x15 3SS000110BAFFLE BOARD ASSY 4SS000114BACK BOARD ASSY GC-408/GC-408S Dec, 1997 qSS000139CABINET ASSY Replacement CABINET ASSY includes the following parts. eSS000160RUBBER FOOT RF-02 wSS000075CORNER CSN-03 rSS000076HANDLE HDBK-02 tSS000077HANDLE

13、 BRAKET HBNI-02 0SS000156RUBBER SHEET 4SS000114BACK BOARD ASSY Replacement BACK BOARD ASSY includes the following parts. 1SS000166VENT COVERFor BACK BOARD 3SS000110BAFFLE BOARD ASSY Replacement BAFFLE BOARD ASSY includes the following parts. !6SS000161LOGO ROLAND(LARGE) iSS000167ANGLE BRACKET RadioF

14、ans.CN 收音机爱 好者资料库 4 GC-408S CABINET EXPLODED VIEW PARTS No.Part CordPart Name qSS000140CABINET ASSY wSS000070CORNER CSN-03 eSS000160RUBBER FOOT RF-02 rSS000076HANDLE HDBK-02 tSS000077HANDLE BRACKET HBNI-02 y* * * * * * * * uSS000135SPEAKER GC-408/S iSS000167ANGLE BRACKET oSS000050TAPPING SCREW NI TH

15、1 3.5x12 !0SS000145TAPPING SCREW BK TH1 3.5x 18 !1* * * * * * * * !2* * * * * * * * !3SS000051MACHINE SCREW NI OH M4x32 !4* * * * * * * * !5SS000147MACHINE SCREW BK TH M4x20 !6SS000171TAPPING SCREW BK FH1 2.6x10 !7SS000049TAPPING SCREW BK OH1 3.5x45 !8SS000152TAPPING SCREW NI FH1 3.5x15 !9SS000146TA

16、PPING SCREW BK TH1 3.5x35 0SS000156RUBBER SHEET 1* * * * * * * * 2* * * * * * * * 3SS000133PCB ASSY 4SS000055NUT BK ABS JACK 5SS000168BLACK PLATE 6SS000144TAPPING SCREW BK TH1 3.5x10 7SS000111BAFFLE BOARD ASSY GC-408S 8SS000109BACK BOARD ASSY GC-408S Dec, 1997GC-408/GC-408S qSS000140CABINET ASSY GC-

17、408S Replacement CABINET ASSY includes the following parts. eSS000160RUBBER FOOT RF-02 wSS000070CORNER CSN-03 rSS000076HANDLE HDBK-02 tSS000077HANDLE BRAKET HBNI-02 0SS000156RUBBER SHEET 8SS000109BACK BOARD ASSY GC-408S Replacement BACK BOARD ASSY includes the following parts. 5SS000168BACK PLATEFor

18、 BACK BOARD 7SS000111BAFFLE BOARD ASSY GC-408S Replacement BAFFLE BOARD ASSY includes the following parts. !6SS000161LOGO ROLAND(LARGE) iSS000167ANGLE BRACKET 5 CHASSIS EXPLODED VIEW PARTS No.Part CordPart Name qSS000112CHASSIS (FOR 100V/230V/230VE/240V VERSION) SS000113CHASSIS (FOR 117V VERSION) wS

19、S000141PANEL(Front / Rear) eSS000128POWER TRANSFORMER GC-408J 100V SS000129POWER TRANSFORMER GC-408U 117V SS000130POWER TRANSFORMER GC-408ES 230V SS000131POWER TRANSFORMER GC-408S 240V rSS000138AC CORD 100V PHP209 VCTFK SS000040AC CORD 117V KKP30A/SJT SS000035AC CORD 230VD KKP4819R SS000036AC CORD 2

20、30VE SRS.III SS000022AC CORD 240V KKP550 tSS000162HEAT SINK HS-15 ySS000133PCB ASSY uSS000021AC SWITCH H8653VB iSS000132POWER SWITCH H8660VB oSS000066KNOB CNBB-09 !0SS000065BUTTON PNBB-18 !1SS000055NUT BK ABS JACK !2SS000060NUT NA 6N-M7 !3SS000058WASHER NA PLATE 7 !4SS000158SUPPORT DABS 16R !5SS0000

21、53MACHINE SCREW NA PHSW M4x10 !6SS000059NUT NA FURANCHI M4 GC-408/GC-408S Dec, 1997 6 NOTICE Dec, 1997GC-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 foll

22、owing 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.4

23、0124690) (117V only)Earth Seal (P/No.40013812) (117V/230VD/230VE/240V) SIDE VIEW 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.)

24、 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 wit

25、h flammability of 94V-0. Fig.1 8 GC-408/GC-408S Dec, 1997 WIRING DIAGRAM 408 SPEAKER INOUT 9 GC-408/GC-408S Dec, 1997 WIRING DIAGRAM 408S SPEAKER 10 GC-408/GC-408S Dec, 1997 NOTE:The parts marked have safety-related characteristics. Use only listed parts for replacement. q* * * * * * * *TRANSFORMER

26、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) ySS000177POWER LINE WIRE (BLK) uSS000178POWER LINE WIRE 150MM (WHT) iSS000177POWER LINE

27、WIRE (BLK) oSS000180POWER LINE WIRE 100MM (WHT) AC CORD 100V117V230VE/240VD !0WHITEWHITEBLUE !1BLACKBLACKBROWN !2noneGREENYLW/GRN !3SS000181EXTERNAL SPEAKER WIRE (BLK) !4SS000182EXTERNAL SPEAKER WIRE (WHT) !5SS000183SPEAKER WIRE (BLK) !6SS000198SPEAKER WIRE (WHT) !7SS000186GND CABLE (BLK) !8SS000080

28、REVERB CABLE !9SS000186GND CABLE (BLK) 0SS000187LINE GND CABLE (YLW/GLY)230/240V ONLY 1SS000196SPEAKER SYSTEM WIRE (WHT) 2SS000197SPEAKER SYSTEM WIRE (BLK) 3SS000155EXT S/P CABLE L=300M/M(BLK) aSS000188SEND/RETURN WIRE (WHT/BRU/YLW) bSS000189REVERB WIRE (YLW/BLU) cSS000190BOOST WIRE (YLW/BLU) dSS000

29、191C/H SELECT WIRE (WHT/BLU) eSS000192POWER TR WIRE (RED/WHT/BLU) fSS000192POWER TR WIRE (RED/WHT/BLU) gSS000163POWER SQUEEZER WIRE 2pin hSS000164POWER SQUEEZER WIRE 3pin WIRING DIAGRAM PARTS LISTWIRING DIAGRAM ! ! ! ! ! ! ! ! GC-408 PARTS LIST SAFETY PRECAUTIONS:*2 The parts marked have safety-rela

30、ted 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 (orang

31、e) DAC-15D Failure to completely fill the above items with correct number and description will result in delayed or even undelivered replacement. RESISTOR #SS000125RESISTOR RS TYPE 220ohm/2W 26222000506R13,89 #SS000124CEM RES. RWC5 TYPE 0.33ohm/5W 26030000806R55-57 POTENTIOMETER #SS000011POT.A50K V/

32、R 16F27311221504VR2 #SS000126POT.A500K V/R 16F27311221505VR5 #SS000127POT.B10K V/R 16F27311222104VR6 SS000012POT.B20K V/R 16F27311222204VR3,4 SS000013POT.B250K V/R 16F27311222255VR1,7 SS000015POT.C10K V/R 16F27311223104VR8 CAPACITOR #SS000120CAP.ELE.2200uF/50V22322600500C18,70 #SS000121CAP.YE-472M 0

33、.0047uF/250V22847202500C44,50 FUSE,FUSE HOLDER #SS000137FUSE 100V/117V 51S 2.5A/125V44052500520 #SS000136FUSE 230V/240V 50T T1.25A/250V44011200520 #SS000134FUSE HOLDER 25M/M37520538211 TERMINAL SS000084TERMINNAL 187/0.5T90001870082CH-GND,L-GND,L-HOT,L-COLD, P-S/W,T-HOT,T-COLD WIRING,CABLE SS000080RE

34、VERB CABLE70125402001 #SS000163POWER SQUEEZER WIRE 2pin70139602001 #SS000164POWER SQUEEZER WIRE 3pin70139603001 #SS000177POWER LINE WIRE (BLK) #SS000178POWER LINE WIRE 150MM (WHT) #SS000180POWER LINE WIRE 100MM (WHT) #SS000181EXTERNAL SPEAKER WIRE (BLK) #SS000182EXTERNAL SPEAKER WIRE (WHT) #SS000183

35、SPEAKER WIRE (BLK) #SS000186GND CABLE (BLK) #SS000187LINE GND CABLE (YLW/GLY)230/240V ONLY #SS000188SEND/RETURN WIRE (WHT/BRU/YLW) #SS000189REVERB WIRE (YLW/BLU) #SS000190BOOST WIRE (YLW/BLU) #SS000191C/H SELECT WIRE (WHT/BLU) #SS000192POWER TR WIRE (RED/WHT/BLU) #SS000198SPEAKER WIRE (WHT) TRANSFOR

36、MER #SS000128TRANSFORMER GC-408J 100V28618580012 #SS000129TRANSFORMER GC-408U 117V28628580012 #SS000130TRANSFORMER GC-408ES 230V28648580012 #SS000131TRANSFORMER GC-408S 240V28658580012 AC CORD #SS000138AC CORD 100V PHP209 VCTFK51106350009 SS000034AC CORD 117V KKP30A/SJT51106350003 SS000035AC CORD 23

37、0VD KKP4819R51106350005 SS000036AC CORD 230VE SRS.III51106350008 SS000022AC CORD 240V KKP55051106350004 SCREW SS000050TAPPING SCREW NI TH1 3.5x1260000001402For CORNER SS000171TAPPING SCREW BK FH1 2.6x1060000000202For LOGO SS000047TAPPING SCREW BK TH1 3.5x1560000000404For WIRE CLAMP #SS000145TAPPING

38、SCREW BK TH1 3.5x1860000000405For RUBBER FOOT #SS000151TAPPING SCREW BK TH1 3.5x2060041502025For REVERB UNIT #SS000146TAPPING SCREW BK TH1 3.5x3560000000411For BACK BOARD #SS000150TAPPING SCREW BK OH1 3.5x1560011501521For VENT COVER #SS000049TAPPING SCREW BK OH1 3.5x4560000000410For CABINET SIDE #SS

39、000152TAPPING SCREW NI FH1 3.5x1560052501521For ANGLE BRACKET #SS000147MACHINE SCREW BK TH M4x2060000000503For SPEAKER #SS000148MACHINE SCREW BK OH M4x2560000000504For CHASSIS SS000051MACHINE SCREW NI OH M4x3260000001507For HANDLE BRACKET SS000052MACHINE SCREW NA PHW M3x1060000003305For TR SS000053M

40、ACHINE SCREW NA PHSW M4x1060000003502For HEAT SINK,GND,TRANS SS000054WASHER BK NAVEL 4 FAI60000009010For CABINET TOP & SIDE SS000058WASHER NA PLATE 7 FAI60000009321For VR SS000055NUT BK ABS JACK60000009062For PHONE JACK #SS000149BK T NUT M460000009090For CABINET BAFFLE BOARD & TOP BOARD SS000059NUT

41、NA FURANCH M460000009350For TRANS,GND SS000060NUT NA 6N-M760000009362For VR PACKING CASE #SS000142OUTER PACKING55112000000 MISCELLANEOUS SS000067RUBBER BUSH BR-0160320000001For SPEAKER CABLE #SS000156RUBBER SHEET60331510000For BAFFLE BOARD #SS000158SUPPORT DABS 16R60351600000For PCB SS000069STRAIN R

42、ELIEF 4NF/1660370000002For REVERB CORD SS000070STRAIN RELIEF 5NF/1660370000003For AC CORD 100,230E,230D,240V SS000071STRAIN RELIEF 6NR1660370000004For AC CORD 117V #SS000162HEAT SINK HS-1560610460015 #SS000165INSULATING SHEET SET TO-390000100301For Q5,Q6 #SS000159COUPLER COVER 52120160362521201For 1

43、17V AC SWITCH #SS000107GLUE 1603HFR HAN NONG POLYMER CO LTDFor 117V AC SWITCH 40124690FUSE CAUTION STICKER 40017089SWITCH CAUTION STICKER 40013812EARTH SEAL ACCESSORIES(Standard) #SS000103OWNERS MAMUAL ENGLISH #SS000104OWNERS MANUAL JAPANESE 11 NOTE1:The parts marked # are new. NOTE2:The parts marke

44、d # have safety-related characteristics. Use only listed parts for replacement. CABINET #SS000139CABINET ASSY52112000000 NOTE1:Replacement CABINET ASSY includes the following parts. #SS000160RUBBER FOOT RF-0260381030001 SS000075CORNER CSN-0360420220001 SS000076HANDLE HDBK-0260513110001 SS000077HANDL

45、E BRAKET HBNI-0260523020001 SS000156RUBBER SHEET60331510000 #SS000110BAFFLE BOARD ASSY NOTE2:Replacement BAFFLE BOARD ASSY includes the following parts. #SS000161LOGO ROLAND(LARGE)60391310101 SS000167ANGLE BRACKET90120100000 SS000114BACK BOARD ASSY NOTE3:Replacement BACK BOARD ASSY includes the foll

46、owing parts. #SS000166VENT COVER90090300001For BACK BOARD CHASSIS #SS000112CHASSIS(FOR 100V/230V/230VE/240V VERSION) #SS000113CHASSIS(FOR 117V VERSION) #SS000141PANEL53112000000for Front,Back KNOB, BUTTON SS000066KNOB CNBB-0960315303101 SS000065BUTTON PNBB-1860312300302 SWITCH SS000020PUSH SWITCH JD

47、PA-21SA30324020021S5,6,8,SW4,7 SS000132POWER SWITCH H8660VB30514048660S2 SS000021AC SWITCH H8653VB30514028653SW1 JACK, SOCKET SS000115PHONE JACK MONO 12.5M/MJK1-7,9 SPEAKER #SS000135SPEAKER GC-408/S40160908034 REVERB UNIT 17055028REVERB UNIT 8DB2C1E PWB ASSY #SS000133PCB ASSY 33030040810 MAIN BOARD

48、/ 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/117V51S 2.5A/125V (44052500520)PNo.SS00013

49、7 230V/240V50T T1.25A/250V(44011200520)PNo.SS000136 IC 15189129IC OP AMP TL072CPIC1-5 TRANSISTOR SS000003TRANSISTOR KTA126621211266201Q10,14,102,109 SS000004TRANSISTOR KTC319821233198200Q13,16,17,18,20,22-24,101 15139139TRANSISTOR 2SK30AYQ1-4,15,25,100 15119604TRANSISTOR 2SB649ACQ8,12,21 15129604TRANSISTOR 2SD669ACQ7,9,11 SS000117TRANSISTOR 2SB816E21320816054Q6 SS000118TRANSISTOR 2SD1046E21341046054Q5 DIODE 15019126DIODE 1SS133D1-5,8-1