Arcam-A65-int-sch维修电路原理图.pdf

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1、ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L940C2 1.0.SCH A75 PLUS AMP Contact Engineer: L940C2 11 Dec 2001 INITIALS Printed:27Sheetof Notes: Contact Tel:(01223) 203 200Travis Pierce A & R Cambridge Ltd. Pembroke Avenue Cambridge CB5 9PB Waterbeach L N E NEL SK300 IE

2、C3 FS300 AS1A25 + C308 10M EL 50V + C309 10M EL 50V +300 -300 +15V -15V +37V -37V SW300B A1007 SW300A A1007 SELECT VOLTAGE BY FITTING FS201 OR FS202 MAINS INPUT MAINS SWITCH FIT ONLY ONE FUSE Chassis Earth Point, Use correct screw and washer. R300 100R MF T300 T301 PD300 TOOLING FS301 AS2A5_115V Blu

3、e 1 Dark Grey 2 Orange 3 SK301 CAGECLAMP3 Green 1 SK302 CAGECLAMP1 Grey 1 Grey 2 SK303 CAGECLAMP2 Orange 1 Blue 2 Orange 3 SK304 CAGECLAMP3A GREEN300 OR300 OR301 BLUE301 BLUE300 POWER SUPPLY ACSENSE ACLT1 0V_LS_L 0V_HF 0V_LS_R C301 3N3 MAINS C300 3N3 MAINS C302 3N3 MAINS 0V_PSU 0V SIG 0V_DIG 0V_DIG

4、0V_HF PSUP300 NSUP300 MAINS_N300 MAINS_E300 MAINS_L300 0V_HF WARNING SAFETY CRITICAL COMPONENT REPLACE WITH IDENTICAL PART PD301 TOOLING PD302 TOOLING PD304 TOOLING PD305 TOOLING Y300 TX WIRE CLIP PD311 TARGET1 PD312 TARGET1Y301 TX WIRE CLIP PD306 TOOLING PD307 TOOLING C303 1N0 CD Photo Strip PS300

5、PHOTO_STRIP Spare Fuse Clip EL300 FUSE CLIP PD303 TOOLING PD308 TOOLING PD309 TOOLING PD310 TOOLING 0V_DIG PCB PCB1 L940PB_1 + 1 2 - 4 3 BR300 BRGBU8D Q300 BC546B Q302 BC556B D303 1N4003F D300 1N4003F D301 1N4003F D302 1N4003F + C310 100U EL 100V + C311 100U EL 100V D304 ZENER 500MW 39V D305 ZENER 5

6、00MW 39V +C312 220U EL 50V +C313 220U EL 50V + C304 47U EL 100V + C305 47U EL 100V R301 4K7 MF R302 4K7 MF +38V_R -38V_R Q304 BC546B Q305 BC556B +38V_L -38V_L R311 10R FU R312 10R FU AC +38V_R +37V_L -37V_R-37V_L LK1 LINK10NP LK6 LINK10NP LK11 LINK10NP LK16 LINK10NP LK21 LINK10NP LK26 LINK10NP LK31

7、LINK10NP LK36 LINK10NP LK41 LINK10NP LK46 LINK10NP LK51 LINK10NP LK56 LINK10NP LK61 LINK10NP LK66 LINK10NP LK71 LINK10NP LK96 LINK10NP LK76 LINK10NP LK81 LINK10NP LK86 LINK10NP LK91 LINK10NP LK2 LINK10NP LK7 LINK10NP LK12 LINK10NP LK17 LINK10NP LK22 LINK10NP LK27 LINK10NP LK32 LINK10NP LK37 LINK10NP

8、 LK42 LINK10NP LK47 LINK10NP LK52 LINK10NP LK57 LINK10NP LK62 LINK10NP LK67 LINK10NP LK72 LINK10NP LK97 LINK10NP LK77 LINK10NP LK82 LINK10NP LK87 LINK15NP LK92 LINK10NP LK3 LINK10NP LK8 LINK10NP LK13 LINK10NP LK18 LINK10NP LK23 LINK10NP LK33 LINK10NP LK38 LINK10NP LK43 LINK10NP LK48 LINK10NP LK53 LI

9、NK10NP LK58 LINK10NP LK63 LINK10NP LK68 LINK10NP LK73 LINK10NP LK98 LINK10NP LK78 LINK10NP LK83 LINK10NP LK88 LINK10NP LK93 LINK10NP LK4 LINK10NP LK9 LINK10NP LK14 LINK10NP LK19 LINK10NP LK24 LINK10NP LK29 LINK10NP LK34 LINK10NP LK39 LINK10NP LK44 LINK10NP LK49 LINK10NP LK54 LINK10NP LK59 LINK10NP L

10、K64 LINK10NP LK69 LINK10NP LK74 LINK10NP LK99 LINK10NP LK79 LINK10NP LK84 LINK10NP LK89 LINK10NP LK94 LINK10NP LK5 LINK10NP LK10 LINK10NP LK15 LINK10NP LK20 LINK10NP LK25 LINK10NP LK30 LINK10NP LK35 LINK10NP LK40 LINK10NP LK45 LINK10NP LK50 LINK10NP LK55 LINK10NP LK60 LINK10NP LK65 LINK10NP LK70 LIN

11、K10NP LK75 LINK10NP LK80 LINK10NP LK85 LINK10NP LK90 LINK10NP LK95 LINK10NP LK106 LINK10NP LK111 LINK10NP LK116 LINK10NP LK121 LINK10NP LK126 LINK17.5NP LK131 LINK10NP LK136 LINK10NP LK141 LINK10NP LK151 LINK10NP LK156 LINK10NP LK161 LINK10NP LK166 LINK10NP LK196 LINK10NP LK181 LINK10NP LK186 LINK10

12、NP LK191 LINK10NP LK107 LINK10NP LK112 LINK10NP LK117 LINK10NP LK122 LINK10NP LK127 LINK10NP LK132 LINK10NP LK137 LINK10NP LK142 LINK10NP LK152 LINK10NP LK157 LINK10NP LK162 LINK10NP LK167 LINK10NP LK197 LINK10NP LK182 LINK10NP LK187 LINK10NP LK192 LINK10NP LK108 LINK10NP LK113 LINK10NP LK118 LINK10

13、NP LK123 LINK10NP LK128 LINK10NP LK133 LINK10NP LK138 LINK10NP LK143 LINK10NP LK148 LINK10NP LK153 LINK10NP LK158 LINK10NP LK163 LINK10NP LK198 LINK10NP LK178 LINK10NP LK183 LINK10NP LK188 LINK10NP LK193 LINK10NP LK109 LINK10NP LK114 LINK10NP LK119 LINK10NP LK124 LINK10NP LK129 LINK10NP LK134 LINK10

14、NP LK139 LINK10NP LK149 LINK10NP LK154 LINK10NP LK159 LINK10NP LK164 LINK10NP LK199 LINK10NP LK179 LINK10NP LK189 LINK10NP LK194 LINK10NP LK105 LINK10NP LK110 LINK10NP LK115 LINK10NP LK120 LINK10NP LK130 LINK10NP LK135 LINK10NP LK140 LINK10NP LK145 LINK10NP LK150 LINK10NP LK155 LINK10NP LK160 LINK10

15、NP LK165 LINK10NP LK180 LINK10NP LK185 LINK10NP LK190 LINK10NP LK195 LINK10NP LK201 LINK10NP LK202 LINK10NP LK203 LINK10NP LK204 LINK10NP LK205 LINK10NP LK206 LINK10NP LK207 LINK10NP LK208 LINK10NP LK209 LINK10NP LK210 LINK10NP LK211 LINK10NP LK212 LINK15NP LK213 LINK15NP LK214 LINK15NP LK215 LINK15

16、NP LK216 LINK15NP LK217 LINK15NP LK218 LINK15NP LK219 LINK15NP LK220 LINK20NP LK221 LINK20NP LK222 LINK20NP LK223 LINK20NP LK224 LINK20NP LK225 LINK20NP LK226 LINK20NP LK227 LINK20NP LK228 LINK20NP LK229 LINK20NP LK246 LINK20NP LK247 LINK20NP LK248 LINK20NP LK249 LINK20NP LK250 LINK20NP LK251 LINK20

17、NP LK254 LINK20NP LK230 LINK15NP LK231 LINK15NP LK232 LINK15NP LK233 LINK15NP LK234 LINK15NP LK235 LINK15NP LK236 LINK15NP LK237 LINK15NP LK238 LINK15NP LK240 LINK15NP LK241 LINK15NP LK242 LINK15NP LK243 LINK15NP LK244 LINK15NP LK245 LINK15NP LK265 LINK15NP LK257 LINK15NP LK267 LINK17.5NP LK270 LINK

18、17.5NP LK268 LINK17.5NP LK271 LINK15NP LK269 LINK15NP LK272 LINK17.5NP LK277 LINK10NP LK278 LINK10NP LK279 LINK10NP LK280 LINK10NP LK281 LINK10NP LK252 LINK10NP LK253 LINK10NP LK255 LINK10NP Vin I GND G Vout O Z301 7905 0V_SIG C317 100N CD C319 100N CD C320 100N CDC318 100N CD 0V_HF0V_PSU LK300 LINK

19、10NP LK301 LINK10NP LK303 LINK10NP LK304 LINK10NP C314 100P CD 230V 115V 9Vac SCREEN TX300 L816TX CS1 220N X2 CLASS Update Box UD1 UPDATE_BOX D306 10V 400MW D307 10V 400MW Vin I GND G Vout O Z300 7805 EARTH LEAD 8M101 EL EARTH LEAD +C106 1U0 EL +C105 1U0 EL DO NOT USE THE FOLLOWING NUMBERS AS LINKS

20、- THE DESIGNATORS ARE ALREADY USED ON OTHER PARTS OF THIS CCT! LK100, LK101, LK102, LK103, LK104, LK168, LK170, LK171, LK172, LK173, LK174, LK175, LK176, LK177,LK200, LK239 LK28 LK08NP LK125 LINK20NP USE EXCLUDE A65 TO CREATE RUN OUT SHEET FOR A65 USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75 +C315

21、 100U EL +C316 100U EL SP300 STAR_10 LK256 LINK17.5NP LK258 LINK10NP TGP01_E02012/12/01PRODUCTION RELEASE1.0 C306 100N PE 100V C307 100N PE 100V RadioFans.CN 收音机爱好者资料库 ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L940C6 1.0.SCH A75 PLUS AMP Contact Engineer: L940C6 11

22、 Dec 2001 INITIALS Printed:67Sheetof Notes: Contact Tel:(01223) 203 200Travis Pierce A & R Cambridge Ltd. Pembroke Avenue Cambridge CB5 9PB Waterbeach Q700 BC556B Q701 BC556B Q704 2SA970GR Q706 BC546B Q707 BC546B R717 680R MF R719 10K MF R718 10K MF R713 47R MF R714 47R MF R712 100K MF R700 1K0 MF Q

23、711 2SC2240GR Q710 2SC2240GR R720 10K MF Q703 2SA970GR Q708 BC546B Q709 BC546B +C701 100U EL 100V + C700 100U EL 100V 0V_HF +C716 10U EL L700 2U2H LAC SMALL R731 2R2 CF R730 4R7 W2 CF D703 1N4003F +37V -37V C721 470P CD RLY1B RLY G5Z-2A-E C720 470P CD C722 1N0 CD SPLD700 SPLS700 OP_R SP2 RETN R RV70

24、0 220R PSET R716 2K7 MF R711 100K MF C703 100P PPW 0V_SIG 0V_HF 0V_SIG 0V_HF Q712 2SC2240GR R727 430R MF R706 100R MF R705 100R MF R725 6K8 MF +C717 10U EL A1 D704 1N4003F R728 430R MF R726 6K8 MF + C718 10U EL R708 100R MF R707 100R MF A1 D705 1N4148 D706 1N4148 0V_LS_R 0V_LS_R Q702 BC556B R715 47R

25、 MF R701 100R MF R702 100R MF R703 100R MF R704 100R MF SPLE700 Q714 SAP15N Q715 SAP15P D700 4V7 400MW 0V_HF 0V_HF 0V_HF 0V_HF Q716 2SA970GR D701 ZENER 400MW 27V D702 ZENER 400MW 27V R710 100R MF R709 100R MF R723 10K MF Q713 BC546B R724 10K MF C708 100P PPW C707 100P PPW Q719 BC546B Q718 BC546B R73

26、3 12K MF R732 12K MF + C702 22U SILMIC 2 + C705 100U SILMIC 2 +38V_R -38V_R C704 100P PPW SP2 SEND R PWRRIGHT 0V_LS_R Bias-R + Bias-R - 21mm x 32mm SELF ADHESIVE E852MC Q2 PAD SP700 Q2-PAD-SAP 21mm x 32mm SELF ADHESIVE E852MC Q2 PAD SP701 Q2-PAD-SAP Right Channel Power Amplifier Q717 ZTX653 USE EXCL

27、UDE A65 TO CREATE RUN OUT SHEET FOR A65 USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75 R721 470K MF + C724 100U 25V ZA EL +C706 100U 50V YXF LOW Z + C709 100U 50V YXF LOW Z + C725 10U EL PD6 PAD300/4.1 PD6 SET BIAS TO 12mV TGP01_E02012/12/01PRODUCTION RELEASE1.0 C723 100N PE 100V C710 100N PE 100V C

28、713 100N PE 100V C711 100N PE 100V C712 100N PE 100V C714 100N PE 100V C715 100N PE 100V C719 100N PE 100V Top+ Top- SK700A SPKSKT_G Bot+ Bot- SK700B SPKSKT_G CHASS SK700C SPKSKT_G RadioFans.CN 收音机爱好者资料库 ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L940C4 1.0.SCH A75

29、PLUS AMP Contact Engineer: L940C4 11 Dec 2001 INITIALS Printed:47Sheetof Notes: Contact Tel:(01223) 203 200Travis Pierce A & R Cambridge Ltd. Pembroke Avenue Cambridge CB5 9PB Waterbeach R203 4K7 MF R206 4K7 MF R215 3K3 MF R217 3K3 MF RV166B 10K LIN POT RV165B 10K LIN POT C205 220N PE C207 220N PE R

30、207 4K7 MF R213 10K MF RV167B 10K LIN POT + C203 10U EL BASS TREBLE 8dB cut and boost Tone controls : R202 4K7 MF R204 4K7 MF R214 3K3 MF R216 3K3 MF RV166A 10K LIN POT RV165A 10K LIN POT C204 220N PE C206 220N PE R205 4K7 MF R210 10K MF RV167A 10K LIN POT + C202 10U EL BASS TREBLE 8dB cut and boost

31、 Tone controls : Pot arrow shows max boost Pot arrow shows max boost +15V -15V R201 24K MF R200 24K MF 3 2 1 Z161A 4560D 5 6 7 Z161B 4560D C197 10P CD C196 10P CD 5 6 7 Z160B 4560D 3 2 1 Z160A 4560D 84 Z160C 4560D 84 Z161C 4560D C208 4N7 PP PWRRIGHT PWRLEFT PREMUTE C209 4N7 PP 1 2 3 4 5 6 7 8 LK169

32、L809CA SEL1 1 S2 14 D1 2 V+ 13 S1 3 S3 11 V- 4 GND 5 VL 12 S4 6 D3 10 D4 7 SEL3 9 D2 15 SEL4 8 SEL2 16 Z171 DG413DJ PREMUTE SELOPR SELOPL -15v +15v +5v -15v +15v R230 47R MF C227 100P PPW R231 47R MF C228 100P PPW SEL1 1 S2 14 D1 2 V+ 13 S1 3 S3 11 V- 4 GND 5 VL 12 S4 6 D3 10 D4 7 SEL3 9 D2 15 SEL4

33、8 SEL2 16 Z164 DG413DJ 84 Z163C OPA2134PA 3 2 1 Z163A OPA2134PA 5 6 7 Z163B OPA2134PA +5v +15v -15v -15v +15v AVCONTROL AVCONTROL R234 100K MF R235 100K MF R232 100K MF R233 100K MF C213 100N CD C218 100N CD C219 100N CD C222 100N CD C221 100N CD C220 100N CD C216 100N CD C217 100N CD C223 100N CD C

34、224 100N CD LHC 2 RHC 3 1 4 L 5 6 R 7 SK162 HPSKT 4 5 6 SW163B 2PCO 1 2 3 SW163A 2PCO R161 330R 1W CF R162 330R 1W CF R236 100R W2 CF R237 100R W2 CF 1 2 3 4 5 6 7 LK170 L825CA 1 2 3 4 5 6 7 LK171 L825CA HPSW1 HPSW2SP2_SEND_L SP2 SEND R SP2_RETN_R SP2_RETN_L OP L OP_R 1 2 3 SW162A 2PCO 4 5 6 SW162B

35、2PCO 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_LS_R 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG 0V_SIG C195 10N CD 1 2 3 4 5 6 7 8 LK168 L809CA VOLUME POT SNAP OFF BOARD RV164A 6A360M RV164B 6A360M +- + RV164C 6A360M 9 7 Case RV164D 6A360M 0V_SIG PREMUTE AVCONTROL PREMUTE 61 D164 1N4148 D165 1N4148

36、 -15v +15v D166 1N4148 D167 1N4148-15v +15v PREAMP OUT 0V_SIG 12 LK174 10MM LINK 12 LK175 10MM LINK BOT 5 6 TOP 4 N F SK101B PHONO4G 12 34 56 78 910 1112 1314 1516 PL161 DIL16 VPLG 0V_SIG TAPOLTAPOR 12 LK173 10MM LINK 12LK172 10MM LINK 0V_SIG CUT LINK IF CIM FITTED (8P ONLY) CUT LINK IF C M FITTED (

37、8P ONLY) FIT LINKS FOR 8P FIT LINK FOR 8P ONLY USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75 Pre-amp Out, Tone & Headphone 12 VOLMOTA161 2W CABLE HOLDER R238 1K2 MF R239 1K2 MF R240 1K0 MF R160 1K0 MF 0V_SIG 0V_SIG + C200 47U EL 35V + C201 47U EL 35V R208 100K MF R209 100K MF 0V_SIG 0V_SIG 12 LK176

38、 10MM LINK 12 LK177 10MM LINK PROT_OP_L PROT OP R R220 11K MF R221 11K MF R218 9K1 MF R219 9K1 MF Fit on A65 only Fit on A65 only FIT LINK FOR 8P ONLY C210 100P PP C211 100P PP +C215 22U EL +C214 22U EL R211 68K MF R212 68K MF USE EXCLUDE A65 TO CREATE RUN OUT SHEET FOR A65 12 LK239 10MM LINK 12 LK2

39、00 10MM LINK TGP01_E02012/12/01PRODUCTION RELEASE1.0 12345678 A B C D 87654321 D C B A ISSUE DRAWING NO. DRAWING TITLE Drawn by: DATE Filename ECO No.DESCRIPTION OF CHANGE J:PROJECTSa75cct & pcbissue b wipL885PBL885pb.ddb - ISSUE 1L885C1_1.SCH A & R Cambridge Ltd. Pembroke Avenue Denny Industrial Ce

40、ntre Waterbeach Cambridge CB5 9PB DISPLAY PCB FOR A75 AMP Circuit Diagram L885C1_A ES12-Sep-2000 INITIALS Date Printed 11Sheetof Notes: R903 220R MF R904 220R MF PhonoCDTunerVCRAV/DVDTAPEAV/FIXED GAIN WAF27-3-00FIRST PROTOTYPEAN/A LED901 LED GREEN3.1 MM LED902 LED GREEN3.1MM LED903 LED GREEN3.1MM LE

41、D904 LED GREEN3.1MM LED905 LED GREEN3.1MM LED906 LED GREEN3.1MM LED907 LED GREEN3.1MM A 1 B 2 C 3 SW1 ALPS_ENCODER 12NOTCH 1 2 3 4 5 6 7 8 9 10 SK1 FFC10H ES14-06-00ADD FLEXFOIL CONNECTORS AND CHANGE ENCODERBN/A ES31-07-00CORRECTED TO MATCH MAIN PCBCN/A PCB PCB L885PB_1 CL31-08-00PRODUCTION RELEASE1N/A