Carvin_80_42000_revd25feb10 电路图 维修原理图.pdf

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1、2. ALL CAPACITORS IN MICORFARADS, EXCEPT AS NOTED. NOTES: UNLESS OTHERWISE SPECIFIED. 4. ADDED AS SECONDARY OPERATION. 1. ALL RESISTORS IN OHMS EFF RETURN MASTER VOLUME EFF SEND MUTE MUTE- MASTER FOOT SW H11A.J H11A.G H11A.A H11A.E H11A.F -15VDC H11A.H H11A.C H11A.D H11B.J H11B.G H11B.C H11B.H H11B.

2、A H11B.F H11B.E a gnd H11A.I H11A.B H11B.B Protect Clip 1 INPUT H6.A H6.B H6.C H6.D EFF + EFF - input +15VDC -15VDC +15VDC -15VDC POWER H5.A H5.B 22F 22F 22F 22F R109 R111 S2.A 39pF SEND S1.A D11 D3 22F .01 .01F R112 R113 C62 R47R33 R46 R41R43 R42 C19 R55 R56 C28 C27 R53 R57 R58 R52 6.8K 6.8K 2.2K 2

3、.2K C48 C47 C26 C43 R110 R99 J70 Red RED C17 EFF J11 D4 22F D6 J72 D5 J71 MUTE + + + 12340 World Trade Drive San Diego, CA 92128 (858) 487-1600 FAX 487-6629 REVISED BY: APPROVED: DRAWN BY:DATE: DATE: ASSY. DATE: ARVIN REV: REV: NO: PCB NO: C R5 22K* R6 470K* 39pF* C3 10K A2.A 2 3 +1 4.7K 47K 4.7K A3

4、.A 2 3 +1 47K 47K A1.A 2 3 +1 4.7K 10K 10K 47K 10K H5.C H5.D A8.A 4 5 +2 A8.B 6 7 +1 A8.C 10 11 +13 A8.D 8 9 + 14 -15VDC R91 100K R94 100K R96 10K Q17Q16 R117 1M R118 1M Q12 22K* R121 R125 R124 R127 R126 R131 360K 6.8K* 10K* 150K 22K* EFF + EFF - A5.A 2 3 +1 R92 10K 1K R123 S2.B R97 R72 6.8K passive

5、/active S1.B 22F R65R61 R64 R60R74 R62 C30 4.7K 10K 4.7K 4.7K 47K 4.7K A3.B 6 5 +7 N/u R86R76 R79 C38 R75R87 R77 C39 4.7K 2.2K 4.7K 3.3K 100K 3.3K A2.B 6 5 +7 EFFECTS S3.AS3.B R38 4.7K* Q19 TREBLE LOW MID HI MID BASS MID SUB BASS R14 470K R31 1M D.I. PRE-POST GND LIFT DIRECT S4.A S5.A S4.B S5.B R12

6、J75 12 3 10K 39pF C14 R22 470 R34 470 R35 100 R36 100K .001F C8 22F C66 + 22F C7 + R37 100K A4.B 6 5 +7 -15VDC +15VDC +15REAR -15REAR H11B.D H11B.I B50K P11 cw B50K P13 cw B50K P14 cw B50K P15 cw B50K P16 cw B50K P17 cw B50K P18 cw 0.22F/63v C1 thru + TUNER J73 GND R GND R AGND BLUE BLUE D1 BLUE +15

7、VDC R3 10K +15VDC R24 INPUT CLIP R26 R25 Q10 D2 470 100K 22K RED R151M C39a C35a C18a C23a C33a C38a C63a C31a C32a R1151M R1191M R181MR191M R201M 39pF C15 39pF C37 39pF C40 C22a 0.047F 100V C24a + R10 R27 2.2K* 10K Q13 R28 5600 470 R51 470 R54 A1.B 6 5 +7 39pF R67 R68 C36 6.8K 10K R71 10K 39pF C29

8、220 0 A5.B 6 5 +7 39pF R81 C41 10K B50K P1 DIRECT LEVEL R32 10K cw R84 10K 39pF C44 R85 10K Q18 10K R89 R88 R90 150K 6.8K n/uC54 +V FET R1 220K R106 R114 5.6K 39pF C55 R21 5.6K RETURN MUTE REAR D33 R83 47K R40470K .01 C6 Q8 R9 1M R11 47K MUTE- AGND C20a 6.8K +15REAR A4.A 2 3 + 1 8 4 -15REAR AGND +15

9、VDC AGND 1F C16+ 1F C50 + n/u C51 +V FET 22F C57 + SPKR GND SPKR GND SPKR GND STD7 STD8 TOOLING HOLES 22F C45 + 1K R93 1K 22F C67 + 47K R95 3.3K R116 15K* 1F C52 + R122 1M R130 10 0.047F C5 thru 22F C59 + 22F C61 + R152 470 R8 1K R23 1M 3.3K3.3K B2000 System Master 30-42000 80-42000 GEORGE DREYER -V

10、 FET -V FET-V FET -V FET D7R2 470 22F C2 + DCM L SERIES HEADER H1.F H1.G H1.C H1.A H1.I H1.J H1.D H1.E H1.H H1.B CH1 IN PROTECT AMP CH2 IN OUT1SIG OUT2SIG V+ CS DCML V- CS ON 30-02004 LIM AMP CNTRL +15V PRE -15V PRE EARTH GND N/U N/U R4 10K R16 12K DI PRE TO HEADER DI PRE TO HEADER -15VDC 15C50K dua

11、l P12D.A DRIVE or B50K single cw15C50K dual P12D.B cw R17 470 QC1 BLUE TUBE REAR R141 1K -15REAR V1.A R134 PL V+ 1 2 3 4.7K A12.A 2 - 3 + 1 8 4 +15VAMP -15VAMP 180pF R30 10K C9 4565 R105 10K A17.A 2 - 3 + 1 8 4 +15VAMP -15VAMP 330pF R107 10K C10 4565 R44 10K R45 2.2K R129 10K C11 .01 Q102 R132 1M R5

12、9 47K TUBE GND=on, neg=off R142 2.2K T GND V1.C 4 5 9 T GND FILAMENT F GND R63 10K R69 150K T GND +15VAMP -15VAMP C13 .1uF C64 .1uF C106 .01 Q28 R73 1M R78 47K BYP GND=on, neg=off 5401 Q29 -15VAMP R182 47K R133 10K BYP TUBE R210 10K 220K R237 220K R238 PL V+ T GND 330pF C21 0.1F / 100vC46 PL V+ R137

13、 3.3K R138 3.3K R139 3.3K H13.A H13.B H13.C H13.D FILAMENT V1.B 6 7 8 C72 .1uF C69 .1uF A17.B 6 - 5 + 7 8 4 +15VAMP -15VAMP R146 10K 4565 A12.B 6 - 5 + 7 8 4 +15VAMP -15VAMP 330pF R149 47K C71 +3dB30Hz -3dB30kHz R155 22K R98 5.6k T GND +15VAMP -15VAMP C90 .1uF C89 .1uF T GND +15VAMP -15VAMP DCM L &

14、D SERIES HEADER H3IN.F H3IN.G H3IN.C H3IN.A H3IN.I H3IN.J H3IN.D H3IN.E H3IN.H H3IN.B CH1 IN PROTECT AMP CH2 IN OUT1SIG OUT2SIG V+ CS DCML V- CS ON 30-02004 LIM AMP CNTRL +15V PRE -15V PRE EARTH GND DCM L & D SERIES HEADER H3OUT.F H3OUT.G H3OUT.C H3OUT.A H3OUT.I H3OUT.J H3OUT.D H3OUT.E H3OUT.H H3OUT

15、.B CH1 IN PROTECT AMP CH2 IN OUT1SIG OUT2SIG V+ CS DCML V- CS ON 30-02004 LIM AMP CNTRL +15V PRE -15V PRE EARTH GND CH1INCH1OUT CH1IN CH1OUT TUBE 1F C75 + 1F C94 + 22F 50V C96 + 22F 50V C97 + 22F 50V C98 + 22F 50V C99 + 22F 50V C100 + 22F 50V C101 + 22F 50V C102 + 22F 50V C103 + R101 33K R102 33K R1

16、28 33K 22F 50V C105 + B8B9 TUBE BP S6.B R1031K 30-02050 PCB comp 0 is clip LED on 30-02004 PCB comp -15 is clip LED on R104 4.7K R1350 R140 0 -15VDC TUBE REAR R168 10 5W R171 22 5W R48 10 5W R29 22 5W R100 22 5W R70 10 5W .001uF .001uF 0.01uF .022uF 0.1uF 0.01uF .0047uF 30-02004 only 30-02050 only 3

17、0-02050 only both amps 30DEC09 Changes from 30-42000 Rev(B). 82pF C58 R143 1M 1. added resistor R143 and cap C58 to ground on A5.A input. STD899 D8 +V FET -V FET C73 .1uF C70 .1uF +15VDC -15VDC C76 .1uF C74 .1uF +15VDC -15VDC C80 .1uF C79 .1uF +15REAR -15REAR C82 .1uF C81 .1uF +V FET C83 .1uF +15VDC

18、 C84 .1uF n/u C34 + 470uF 16V C86 + 22F C87 + R145 470 22F C88 + 22F C91 + Z743 5.1V R147 470 470uF 16V C92 + 22F C93 + 22F C95 + 22F C104 + 22F C107 + 22F C108 + C109 .1uF 22F C110 + D10 R80 47K MUTE- POST DI POST DI 22F C111 + A6.A 2 3 +1 R148 5.6K 39pF C112 R150 5.6K A6.B 6 5 +7 MASTER 0.0033uF 0

19、.0033uF 0.047uF 0.022F C68 1uF C49 0.0022uF 1uF C53 1uF C12 1uF C18 N:44 C4 .1uF R7 470 R13 1M R39 1M R49 1M R50 1M R66 1M 1uF C34A T GND 0.1F / 100v C20 F GND R82 22K C23 .1uF C22 .1uF FILAMENT Changes from 30-42000 Rev(C). 1. added bypass capacitors C20, C22, C23 on filiament. 2. added R82 in mute control. F GND D D 收音机爱好者资料库 Ra d i o Fa n s .CN