Boss_GT-3_Effects_Processor_Service_Manual电路图.pdf

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1、GT-3Feb. 1999 1 SERVICE NOTES First Edition Issued by RJA Copyright 1999 by ROLAND CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION. 17059955Printed in Japan AA00 (DP) TABLE OF CONTENTSPage SPECIFICATIONS.

2、 1 PANEL LAYOUT. 2 EXPLODED VIEW. 3 IDENTIFYING VERSION NUMBER. 6 Transmitting / receiving data via MIDI. 6 Factory settings. 8 TEST MODE. 9 BLOCK DIAGRAM. 15 CIRCUIT DIAGRAM (SW BOARD). 16 CIRCUIT DIAGRAM (1/2) (MAIN). 17 CIRCUIT DIAGRAM (2/2) (MAIN). 18 CIRCUIT BOARD (MAIN). 19 CIRCUIT BOARD (SW B

3、OARD). 20 ERROR MESSAGE. 21 CHANGE INFORMATION. 22 Guitar Effects Processor SPECIFICATIONS G AD Conversion 24 bit AF Method 64 times Oversampling Modulation G DA Conversion 20 bit 128 times Oversampling Modulation G Sampling Frequency 44.1 kHz G Program Memories 340: 140 (User) + 200 (Preset) G Nomi

4、nal Input Level INPUT:-10 dBm RETURN:-10 dBm G Input Impedance INPUT:1 M RETURN:220 k G Nominal Output Level OUTPUT:0 dBm SEND:-10 dBm G Output Impedance OUTPUT:2 k SEND:2 k G Dynamic Range 100 dB or greater (IHF-A) G Controls Value dial Effect select buttons SFX, COMP/LM, WAH, OD/DS, PREAMP/SP SIM,

5、 EQ, MOD, DELAY, CHORUS, REVERB, MASTER, PEDAL/ASSIGN Exit button Parameter buttons L/R Write button Manual button Utility button Tuner/Bypass button Number pedals 1-4 Bank pedals up/down Control pedal Expression pedal Output level knob Power switch G Display 16 characters, 2 lines (backlit LCD) G C

6、onnectors Input jack Output jacks L(MONO)/R Headphones jack (stereo mini type) Send jack Return jack Sub expression pedal/Sub control pedal 1,2 jack MIDI Connectors IN/OUT G Power Supply AC 14 V; Supply AC adaptor (BOSS BRC-120, 230, 240) G Current Draw 800 mA G Dimensions 487 (W) 222 (D) 97 (H) mm

7、19-3/16 (W) 8-3/4 (D) 3-7/8 (H) inches G Weight 4.0 kg/ 8 lbs 14 oz G Accessories Owners ManualEnglish(#G6017276) Japanese(#G6017277) Quick StartEnglish(#G6017279) Japanese(#G6017278) AC adaptorBRC-120(#00899089) BRC-230(#00899090) BRC-240A (#00899101) Euro Converter Plug (230VE only) ECP01-5A(#0090

8、5234) G Options Foot Switch:FS-5U, FS-5L Expression Pedal: EV-5 (Roland) FV-300L+PCS-33 (Roland) MIDI IMPLEMENTATION English(#17048954) Japanese(#17048953) * 0 dBm = 0.775 Vrms 本書一部、全部無断複写転載禁。 目次 主仕様 配置図 分解図 確認方法 方法 図 回路図 (SW BOARD) 回路図 (1/2) (MAIN) 回路図 (2/2) (MAIN) 基盤図 (MAIN) 基盤図 (SW BOARD) 変更案内 G

9、AD変換 24（AF方式）64倍変調 G DA変換 20128倍変調 G 周波数 44.1 kHz G 340：140（）200（） G 規定入力 INPUT：-10 dBm RETURN：-10 dBm G 入力 INPUT：1 M RETURN：220 k G 規定出力 OUTPUT：0 dBm SEND：-10 dBm G 出力 OUTPUT：2 k SEND：2 k G 100 dB以上（IHF-A） G SFX, COMP/LM, WAH, OD/DS, PREAMP/SP SIM, EQ, MOD, DELAY, CHORUS, REVERB, MASTER, PEDAL/ASSI

10、GN LR 14 UPDOWN 電源 G 16桁2行（照明付LCD） G 接続端子 L (MONO)R （） 1,2 MIDIINOUT G 電源 AC 14 V; 付属AC (BOSS BRC-100) G 消費電流 800 mA G 外形寸法 487 (W) 222 (D) 97 (H) mm G 重量 4.0 kg（AC除） G 付属品 取扱説明書和文(#G6017277) 英文(#G6017276) 和文(#G6017279) 英文(#G6017278) 保証書(#40232389) 愛用者(#40121767) 窓口(#40019167) ACBRC-100 (#00899078)

11、G ：FS-5U, FS-5L ： EV-5(Roland） FV-300LPCS-33(Roland） MIDI 和文(#17048953) 英文(#17048954) 0 dBm = 0.775 Vrms 主仕様 RadioFans.CN 收音机爱 好者资料库 GT-3Feb. 1999 2 A B C D E F G H I J K L M N O P Q R S T U V PANEL LAYOUT FRONT VIEW REAR VIEW PEDAL SWITCH PEDAL (G2187602) SUPPORT SPRING (G2177103) PEDAL FOOT (G2357

12、109) Switch SKQKAH (13129778) Keytop D S-KEYTOP MD3H BLK (22495279) LED L-312LRD (F5029117) Switch SKQKAB (01780101) TOP COVER (G2017129) LCD Cover DISPLAY COVER (G2567104) LCD WD-C1602R-2BLYC (F5029404) Keytop D S-KEYTOP SX4H BLK (00904256) Switch SKQKAB (01780101) Knob D R-KNOB L BLK (22485303) En

13、coder EVQ VEM F01 24B (01013223) Keytop D S-KEYTOP SD4H BLK (00900178) LED L-312LRD (F5029117) Switch SKQKAB (01780101) PEDAL LABEL (DOWN) (G2217709) PEDAL LABEL (UP) (G2217711) VR PEDAL (G2187517) VR PLATE (G2357112) LED GL-3PR8 (15029281) Spacer SPACER 3*6*10 (H2369401) PEDAL LABEL (1) (G2217705)

14、PEDAL LABEL (2) (G2217706) PEDAL LABEL (3) (G2217707) PEDAL LABEL (4) (G2217708) PEDAL LABEL (CTL) (G2217710) PEDAL ESCUTCHEON (G2227301) Jack HEC0740-010010 (13449728) Knob P R-KNOB SF-A BLK/LCG (01340412) VR RK09K12A0 (10kA x2) (01676523) Jack HSJ0857-01-1210 (13449440) Jack HTJ-064-12D (13449150M

15、F) Knob G S-BUTTON S1H BLK (12499175) Switch SDKLA1-B (01676512) Cord Hook CORD HOOK 236-712 (22360712) Jack HTJ-064-12I (13449155MF) BOTTOM COVER (G2817131) Jack YKF51-5054 (13429825) / 背面図 / 正面図 /配置図 RadioFans.CN 收音机爱 好者资料库 GT-3Feb. 1999 3 A B C D E F G H I J K L M N O P Q R S T U V EXPLODED VIEW

16、Part NO.PART CODEPART NAMEDESCRIPTIONQTY qG2357108FOOT6 wG2817131BOTTOM COVER1 e71235078MAIN BOARD ASSY(EXG)1 r71235089SW BOARD ASSYSW BD1+SW BD2+SW BD3+EXP BRD1 t22495279D S-KEYTOPMD3H BLK 249-279(W/WINDOW)4 y00904256D S-KEYTOPD S-KEYTOP SX4H BLK1 u00900178D S-KEYTOPSD4H BLK1 iF5029404LCDWD-C1602R-

17、2BLYC1 oG2567103MAIN ESCUTCHEON1 !0F3479101FFC CARD 14PL=80MM1 !1G3467132WIRING 16PL=230MM1 !271235089SW BOARD ASSYSW BD1+SW BD2+SW BD3+EXP BRD1 !3G2017129TOP COVER1 !4G2227301ESCUTCHEON7 !5G2187602SWITCH PEDAL7 !6G2177103SUPPORT SPRING7 !7G2357109PEDAL FOOT7 !822360712CORD HOOK236-7121 !912499175G

18、S-BUTTON S1H BLK249-1751 001340412P R-KNOBSF-A BGLK/LCG1 1G2147116SHAFT STAY1 271235089SW BOARD ASSYSW BD1+SW BD2+SW BD3+EXP BRD1 3G2187517VR PEDAL1 4G2147117PIN STAY1 5G2147115PEDAL HOLDER1 6G2147119BOLT HOLDER1 7G2357110CUSHION F1 8G2357111CUSHION R1 9G2357112VR PLATE1 #0G2567104DISPLAY COVERLCD C

19、OVER1 #122485303D R-KNOBL BLK 248-3031 #2G2217705PEDAL LABEL(1)1 #3G2217706PEDAL LABEL(2)1 #4G2217707PEDAL LABEL(3)1 #5G2217708PEDAL LABEL(4)1 #6G2217710PEDAL LABEL(CTL)1 #7G2217709PEDAL LABEL(DOWN)1 #8G2217711PEDAL LABEL(UP)1 #9F3479102FFC CARD 18PL=115MM1 $071235089SW BOARD ASSYSW BD1+SW BD2+SW BD

20、3+EXP BRD1 $112569249S0LITHIUM BATTERY 220MAH/3VCR2032 (=12569249)1 $240016523INSULOK TIE 100M/M T-18R Screw NO.PART CODEPART NAMEDESCRIPTION a40342712SCREW M36PAN MACHINE W/SW+SMALL PW BZC b40013067SCREW M38 PANSEMS FE ZC c40012867SCREW M38 PAN HEADDOUBLE SEMS FE ZC d40012534SCREW M36 BINDINGS-TITE

21、 FE BZC e40342701SCREW M2.38BINDING TAP TIGHT P ZC f40011312SCREW M38BINDING P-TITE FE BZC g40019123SCREW M38BINDING S-TIGHT BZC h40127689SCREW M310BINDING TAPTIGHT S TYPE FE BZC i40342690HEX BOLT M685HALF THREAD BZC j40016001LOCK NUTM6 U BZC k40015901E-RINGM2.5 SUS l40016067PLAIN WASHER6131 BZC m40

22、123545NUT M9112 (JACK)FE NI n40016467JACK WASHERM9.2140.5 FENI o40016445NUT (JACK)HAJ-0999-01-190 p40016456WASHER (JACK)HSJ-0999-01-210 q40011878M3 EXTERNAL TOOTH WASHERFECM 1 x6 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 40 20 21 22 23 24 25 26 2728 39 42 b x2 r q d x8 cx11 ax2 e f x14 gx2 h d f

23、 x2 m n o p x6 x6 n m d x3 i l l j k 41 x4 x7 29 30 31 32 33 34 35 36 37 38 m n /分解図 RadioFans.CN 收音机爱 好者资料库 GT-3Feb. 1999 4 Note: Consider about the natural environment carefully before through the old lithium battery away when you exchange to the new one.you exchange to the new one. NOTE1: *1 The

24、parts marked # are new (initial parts). NOTE2: *2 The parts marked have safety-related characteristics. *1 *2 CASING #G2817131BOTTOM COVER #G2017129TOP COVER #G2187517VR PEDALfor VR PEDAL ASSY KNOB, BUTTON 00904256D S-KEYTOPSX4H BLKfor PANEL SW 00900178D S-KEYTOPSD4H BLKfor PANEL SW 22485303D R-KNOB

25、L BLK 248-303 22495279D S-KEYTOPMD3H BLK 249-279(W/WINDOW)for PANEL SW 12499175G S-BUTTON S1H BLK249-175 01340412P R-KNOBSF-A BGLK/LCG SWITCH #01676512SDKLA1-BPUSH SWITCHSW1 on Main Board #01780101SKQKABTACT SWITCHSW8-SW27 on SW Board 13129778SKQKAHTACT SWITCHSW1-SW7 on SW Board JACK, SOCKET 1344972

26、8HEC0740-010010ADAPTOR JACKJK1 on Main Board 13449440HSJ0857-01-1210PHONE JACK (MINI)JK6 on Main Board #13449150MFHTJ-064-12DPHONE JACK (STEREO)JK3 on Main Board #13449155MFHTJ-064-12IPHONE JACK (MONO)JK4,JK5,JK7-JK9 on Main Board 13429825YKF51-5054 2PZMIDI CONNECTORJK2 on Main Board DISPLAY UNIT #F

27、5029404WD-C1602R-2BLYCLCD POWER SUPPLY UNIT 00905234ECP01-5AEURO CONVERTER PLUG PWB ASSY # 71235078MAIN BOARD ASSY #71235089SW BOARD ASSYSW BD1+SW BD2+SW BD3+EXP BRD IC #01780112AK4522VFIC (AD/DA)IC12,IC14 on Main Board #01676501HD6413006FPIC (CPU)IC1 on Main Board 15289123M51953AFP-600CIC (RESET)IC

28、4 on Main Board PARTS LIST CONSIDERATIONS ON PARTS ORDERING When ordering any parts listed in the parts list, please specify the following items in the order sheet. QTYPART NUMBERDESCRIPTIONMODEL NUMBER 1022575241Sharp keyC-20/50 152247017300Knob (orange)DAC-15D Failure to completely fill the above

29、items with correct number and description will result in delayed or even undelivered replacement. Ex. SAFETY PRECAUTION: The parts marked have safety- related characteristics. Use only listed parts for replacement. 15289109M5216FP-600DIC (OP AMP)IC20 on Main Board 15189261M5218AFP-600EIC (OP AMP) TA

30、PEIC16,IC19,IC21,IC22 on Main Board 15289156M5222FPIC (VCA FLAT)IC17 on Main Board 15289106M5238AFP-600CIC (OP AMP)IC18 on Main Board 00565123M66310PIC (LED DRIVER)IC2 on SW Board 01016434M66312PIC (LED DRIVER)IC1 on SW Board #F5229803MX23C4000PC-10IC MASK ROM (4M DIP)IC3 on Main Board 00346445NJM21

31、00M(TE3)IC (OP AMP)IC13,IC15 on Main Board 15289125PC410KT 178FAYIC (PHOTO COUPLER)IC23 on Main Board 15199240TA78L05SIC (V.RGL)IC10,IC11 on Main Board 00892556TC170C140AF-003 (ESP2)IC (CUSTOM)IC8 on Main Board 01122412TC551001CF-70LIC (SRAM)IC7 on Main Board #F5259701TC74HC04AFNGATE ICIC5,IC24 on M

32、ain Board #F5259702TC74HC10AFNGATE ICIC6 on Main Board 00458034TC75S51F TE85RIC (OP AMP)IC25 on Main Board #F5279510V53C16256HK50IC (DRAM 4M)IC9 on Main Board HYBRID 01344056SI-8501LIC REGULATORIC26 on Main Board TRANSISTOR 151191322SA1015GR(TPE2)TRANSISTORQ103 on Main Board 153091042SA1586GR TE85RT

33、RANSISTORQ16,Q17 on Main Board 151198232SB-1375-OPOWER TRANSISTORQ32 on Main Board 153191082SC-3324GR-TE85RTRANSISTORQ5 on Main Board 010194122SC2120YTRANSISTORQ101,Q102 on Main Board 153191072SC4116GR-TE85RTRANSISTORQ1 on Main Board 153191152SC4213A TE85LTRANSISTORQ4,Q6-Q10 on Main Board 151298442S

34、D-2012-OTRANSISTORQ33 on Main Board 15329103T02SK880GR-TE85RFETQ2,Q3,Q11 on Main Board 15329521RN1307-TE85RTRANSISTORQ12,Q13,Q15 on Main Board 15329533RN2307-TE85RTRANSISTORQ14 on Main Board DIODE F5019209RT1N4004DIODED101-D104 on Main Board 153391211SS-301-TE85RDIODED11 on Main Board 150191261SS133

35、 T-77SWITCHING DIODED1-D27 on SW Board 15339120T01SS302-TE85RDIODED4,D6,D8,D9 on Main Board 15339119T01SS352-TPH3DIODED1-D3,D5,D7,D10 on Main Board #F5029117L-312LRDLED8-LED13,LED18-LED27 on SW Board 15029281GL-3PR8LED1-LED5 on SW Board #F5339310RD10ESAB2ZENER DIODED105,D106 on Main Board RESISTOR #

36、F5399903100KOHM (F-RANK, 1%)CHIP RESISTORR23 on Main Board #F382925510OHM(2W)CARBON RESISTORR201 on Main Board #F539990218KOHM (F-RANK, 1%)CHIP RESISTERR26,R28 on Main Board #F382925447OHM(2W)CARBON RESISTORR202,R203 on Main Board #F53999016.8KOHM(F-RANK 1%)CHIP RESIST0RR25 on Main Board #F5419707CR

37、N34101JRESISTOR ARRAYRA1-RA3,RA9 on Main Board #F5419704CRN34102JRESISTOR ARRAYRA6,RA8 on Main Board #F5419705CRN34103JRESISTOR ARRAYRA5,RA7 on Main Board #F5419706CRN34104JRESISTOR ARRAYRA4,RA10 on Main Board #F5419708CRN34331JRESISTOR ARRAYRA11 on Main Board 15399389RPC10T 471J Y10WMTL, FILM RESIS

38、TORR62 on Main Board POTENTIOMETER #01676523RK09K12A0 10KA X2POTENTIOMETERVR1 on Main Board 01016167RK11K1140(10K SP B) 10KX1POTENTIOMETERVR1 on SW Board CAPACITOR 01128045ERZVA7V330CAPACITOR (VARICAP)C201 on Main Board INDUCTOR, COIL, FILTER 12449396BLM31A601SPTEMI FILTERL3,L4 on Main Board 1244945

39、2BLM41A800SPTEMI FILTERL5 on Main Board 13529246DSS310-91D223SEMI FILTERL1,L2 on Main Board 発注関願 、必下記4項目正確記入下。（例外除） 必要数品名使用機種 1022575241Sharp keyC-20/50 152247017300Knob (orange)DAC-15D 記入洩、誤記等有場合、必要部品発送、大幅遅原因 。御協力願。 例） 安全上注意： 付部品、安全 上特別規格 。 交換際、指定部品 番号以外部品使 下。 / 注：電池交換時、不要電池、環境問題十分考慮上処理下 。 注意：付部品新規

40、部品。 注意：付部品安全上特別規格部品。交換際指定部品番号以外部 品使用。 / / / / /表示 /電源 /基板完成品 / / / /抵抗 / / / GT-3Feb. 1999 5 CRYSTAL, RESONATOR 00894023MA-406 20MHZ TE24CRYSTALX1 on Main Board 01453167SG-8002DC 67.7376MHZCRYSTALXT1 on Main Board ENCODER 01013223EVQ VEM F01 24BPOTENTIOMETER (ROTARY ENCODER)EN1 on SW Board CONNECTOR

41、 #133699165597-14APBCONNECTOR 14PCN2 on Main Board #017801235597-18APBCONNECTOR 18PCN3 on Main Board #F34497026216 014 110 808CONNECTOR 14PCN1 on SW Board #F34391226216 018 110 808CONNECTOR 18PCN4 on SW Board #F3439123A2001WR2-3PCONNECTOR 3PCN4 on Main Board #F3439121A2541WR2-2A16NPCONNECTOR 16PCN1

42、on Main Board WIRING, CABLE #F3479101FFC CARD 14PL=80MMBETWEEN MAIN BOARD ASSY AND SW BOARD 2 ASSY #F3479102FFC CARD 18PL=115MMBETWEEN MAIN BOARD ASSY AND SW BOARD 1 ASSY G3477140RIBON CABLE 3PCN2,CN3 on SW Board #G3467132WIRING 16PL=230MMfor LCD #G3467133WIRING 3PL=330MMCN5 on SW Board BATTERY 1256

43、9249S0CR2032LITHIUM BATTERY 220MAH/3V SCREWS 40016067PLAIN WASHER6X13X1 BZCfor VR PEDAL ASSY 40011312SCREW M38BINDING P-TITE FE BZCfor MIDI JACK 40011278SCREW M38BINDING P-TITE FE ZCfor SW BOARD ASSY 40019123SCREW M38BINDING S-TIGHT BZCfor SW PEDAL ASSY #40342701SCREW M2.38BINDING TAP TIGHT P ZCfor

44、LCD 40127689SCREW M310BINDING TAPTIGHT S TYPE FE BZCfor CORD HOOK 40012867SCREW M38 PAN HEADDOUBLE SEMS FE ZCfor MAIN ESCUTCHEON, SW BOARD ASSY 40011878M3 EXTERNAL TOOTH WASHER FECMfor MAIN BOARD (near CN2) 40016445NUT (JACK)HAJ-0999-01-190 #40342690HEX BOLT M685HALF THREAD BZCfor VR PEDAL ASSY 4001

45、6456WASHER (JACK)HSJ-0999-01-210 40015901E-RINGM2.5 SUSfor VR PEDAL ASSY 40016001LOCK NUTM6 U BZCfor VR PEDAL ASSY #40342712SCREW M36PAN MACHINE W/SW+SMALL PW BZCfor BOTTOM COVER 40012534SCREW M36BINDING S-TITE FE BZCfor BOTTOM COVER, ADAPTOR JACK HOLDER, VR PEDAL ASSY 40013067SCREW M38PAN SEMS FE ZCfor MAIN BOARD 40123545NUT M9112 (JACK)F