Carvin_b800 电路图 维修原理图.pdf

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1、EFF RETURN MASTER VOLUME EFF SEND MUTE MUTE- MASTER 0.0047F 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.A H11B.F H11B.E a gnd H2A.A H2A.B H2A.C H2A.D H11A.I H11A.B H11B.B Protect Clip 1 INPUT H2A.G H2A.H H6.A H6.B H6.C H6.D EFF + EFF - .01F

2、 input +15VDC -15VDC +15VDC -15VDC POWER H5.A H5.B 0.1F 22F 22F 22F 22F 10K R109 R111 S2.A 39pF D.I.PRE SEND S1.B D11 D3 22F .01 .047F R112 R113 C62 R47R33 R46 C63 R41R43 R42 C19 R55R56 C28C27 R53R57 R58 R52 10K 10K 2.2K2.2K R49 C48 C47 C26 C43 C20 R110 R99 J70 Red Yel C17 EFF J11 C22 D4 22F D6 J72

3、D5 J71 MUTE + + + R5 22K* R6 470K* 39pF* C3 100K A2.A 2 3 +1 4.7K 47K 4.7K A3.A 2 3 +1 47K47K A1.A 2 3 +1 10K 10K 10K 47K 10K A7.A 2 3 +1 H5.C H5.D +15REAR A7.B 6 5 + 7 8 4 A8.A 4 5 +2 A8.B 6 7 +1 A8.C 10 11 +13 A8.D 8 9 +14 -15VDC R91 10K R94 10K R96 10K Q17Q16 R117 1M R118 1M Q12 1F 1F 22K* R121 R

4、125 R124 R127 R126 R131 C53 C49 + 365K 6.8K* 10K* 150K 22K* 22F C58 +15VDC H2A.F H2A.E EFF + EFF - A1.B 6 5 +7 120pFR92 R98 C46 10K 10K 1K R123 S2.B R132 15K* R97 R72 6.8K passive/active S1.A 0.0022F 0.0022F 0.047F 22F R65R61 R64 C32 R60R74 R62 C30 C33 C31 4.7K 2.2K 4.7K 4.7K 47K 4.7K A3.B 6 5 +7 56

5、0pF 0.001F 0.022F R86R76 R79 C38 R75R87 R77 C39 C35 4.7K 15K 4.7K 4.7K 47K 4.7K A2.B 6 5 +7 0.0022F C18 0.01F C23 0.047FC24 EFFECTS S3.AS3.B R38 4.7K* 1F C34 + Q19 TREBLE LOW MID HI MID BASS MID SUB BASS R14 365K R31 1M D.I. PRE-POST GND LIFT DIRECT S4.B S5.A S4.A S5.B R12 J75 1 2 3 10K 39pF C14 R22

6、 470 R34 470 R35 100 R36 100K .001F C8 22F/50v C66 + 22F/50v C7 + R37 100K A4.B 6 5 +7 -15VDC +15VDC +15REAR -15REAR H11B.D H11B.I B50K P11 cw B100K P12 DRIVE B50K P13 cw B50K P14 cw B50K P15 cw B50K P16 cw B50K P17 cw B50K P18 cw cw 0.22F/63v C1 thru + TUNER J73 -15REAR GND R GND R AGND D.I.PRE RED

7、 GRN D1 YEL +15VDC R3 10K +15VDC R24 INPUT CLIP R26 R25 Q10 D2 470 100K 22K RED R151M C39a C35a C18a C23a C33a C38aC63a C31a C32a R1151M R1191M R181MR191M R201M 39pF C15 39pF C37 39pF C40 C22athru C24a + R10 R27 2.2K* 10K Q13 R28 1M BAL GND 100 R7 BAL GND R39 10K 39pF C65 R13 10K 39pF C60 R50 10K GN

8、D R 470 R51 470 R54 R136 10K 39pF C25 R66 10K A5.A 2 3 +1 39pF R67 R68 C36 10K 10K 100 R70 GND R R71 10K 39pF C29 R80 10K A5.B 6 5 +7 39pF R81 C41 100K B50K P1 DIRECT LEVEL R32 10K R82 10K BAL GND cw R84 10K 39pF C44 R85 10K Q18 10K R89 R88 R90 150K 6.8K n/uC54 25V FET R1 365K R106 R114 47K 39pF C55

9、 R21 47K AGND RETURN Q5 R1109 10K MUTE REAR MUTE REAR Q6 R1111 47K -15REAR R1108 10K C42 + 0.1 R1110 1M R108 10K 39pF C56 D33 R83 47K R120 2.2K MUTE- R40 470K .01 C6 Q8 R9 1M R11 47K MUTE- AGND C20a 10K +15REAR A4.A 2 3 + 1 8 4 -15REAR AGND H10.A H10.B H10.C H10.D +15VDC -15VDC +15VDC -15VDC GND AGN

10、D 1F C16 + 1F C50 + + n/u C51 25V FET + 22F C57 + 10KF 100V 10KF 100V H1A.D H1A.A H9A.B H9A.A .1 .1 7815 7915 H7.I H7.H H7.G H7.D H7.E H7.F H7.A H7.B H7.C C505 C506 C511 C512 C507 BR1 VR1 VR2 1000 RED YEL YEL GRN GRN GRN RED YEL YEL 35V E1 + + + D506 D505 D504 D503 D502 D501 3A GND +15v 25V fet H13a

11、.A H13a.B H13a.D GNDH13a.C E6 1000F/25V 1000F 35V C520 C521 R5011K + MMBT5550 NPN Q500 .1C522 Z500 Z501Z502 SPKR GND SPKR GND SPKR GND SPKR GND STD7 STD8TOOLING HOLES 22F C45 + 1K R93 1K 22F C67 + 10K R95 .022FC68 6.8K R116 15K* 1F C52+ R122 1M -15v TO FRONT PCB R130 4.7K 25V FET 0.22F/63v C5 thru R

12、153 4.7 22F C59 + 22F C61 + R152 4.7 R8 1K R23 1M 1000F/25V C69+ 1F C12 + 3.3K3.3K D500 SMB 2200 2200 C508 C509 35V 35V + LO + LO - H1A.B H1A.C LO + LO - QC4 B50K P21 cw H3B.A H3B.BH3B.D H3B.C 10K R161 A6.A 2 3 +1 +15REAR A6.B 6 5 + 7 8 4 -15REAR R160 10K 39pF C72 R162 10K 39pF C74 GND R R163 10K 22

13、K 47K 100K R165 R29 R164 C107C108C109 0.001F0.001F 0.001F 100 R30 100 R166 9.1v5.1v 5.1v 5401 J2 2+ 2- 1+ 1- CAB GND J3 2+ 2- 1+ 1- QC5 QC6 QC7 FULL HI FREQ CABINET PCB / EXTENSION JACK QC14 QC15GND 5550 5401 +15VAMP -15VAMP 5550 5401 5401 120pF 120pF R133 R135 C177 C176 R138 R176 R178 C181 R134 R13

14、9 R140 R141 D107 R147 R142 R143 R144 R145 Q103 Q102 Q105 Q104 R179 R177 Q117 R148 .01 V+LOW V-LOW 2.2K A100.B 6 5 + 7 4.7K 1K R137 1K 4.7K 470 4.7K 1N914 D106 1N914 1K 1K 1.5K 1.5K 680 270 R48 .22 5W R59 .22 5W 47K 10K 100K 100K 68K D12 D13 D14D9 R102 150K R104 33K 5550 Q9 R100 2.2K CURLIM .047F C18

15、0 D108 D109 SMT C120 22 + R63 150k R146100 R156100 R149100 R159100 Q106 TIP 107 Q111 TIP 102 Q107 560 C182 560 C184 22 1W1% 1.5H .1F C121 R419 L33 -24 RLY K33 22 1W1%R78 .1F C10 22 1W1% R107 22 1W1% R128 SMB 1A QC3 OUT 3 H3A.AH3A.C H3A.BH3A.D MJD340 RELAY+ FAN G -15VAMP +15VAMP A100.A 2 3 + 1 8 4 45

16、65 R10510K 120pF C64 R154 10K R103 10K R101 10K 120pF C70 R157 10K POS INPUT R158 10K NEG INPUT HF NEG HF POS R45 1K H9B.A H9B.B V+ V- V+LOW V-LOW H1B.C H1B.D H1B.B H1B.A H2B.A H2B.B H2B.C H2B.D H2B.G H2B.H H2B.F H2B.E +15VAMP -15VAMP CLEAN PROTECT POS INPUT 1 CLIP NEG INPUT -24 RLY FAN G QC1 22 1W1

17、% 1.5H R02 L100 22 1W1% R01 J1 2+ 2- 1+ 1- SPKR GND EXT J4 QC9 HI FREQ J5 2+ 2- 1+ 1- SPKR GND B2 B3 -15VAMP +15VAMP -15VAMP +15VAMP .01 0.1F H12.B H12.A D111 R330 R314 R315 R322 R320 D310 D312 C317 R323 R321 R311 R312 R325 R326 R324 C310 R331 C313 R327 R329 22 + 1N914 A21.A 2 3 + 1 8 4 A20.A 2 3 +

18、1 8 4 A20.B 6 5 +7 A21.B 6 5 +7 10K 5.6K 470K 1N914 68K 1.5K 1.8K 100K 1K 3.3K 10K 22K 3.3K R319 22K 47K 27K CURLIM C318 22 D17 + D10 R309 3.3K +15VAMP +15VAMP 5550 Q302 +15VAMP+15VAMP +15VAMP D15 1N914 R73 100 R69 220 FAN G PROTECT FAN -24 RLY R2 R4 3.3K 4.7K Z1Z2 9.1v9.1v 47K CLEAN RELAY+ 5401 Q4

19、TIP32C Q3 FROM P.S. TOROID SECONDARYTOROID SECONDARY MJD340 MJD350 +15VAMP -15VAMP 5550 5401 5401 120pF 120pF R537 R535 C577 C576 R538 R578 R579 C581 Q503 Q502 R534 Q505 Q504 R539 R540 R541 D517 R547 R542 R543 R544 R545 PB1 R577 R576 D518 Q520 R548 HBI1.B HBI1.A .01 500 cw V+ V- A500.B 6 5 + 7 4.7K

20、1K 68K 1K 1N914 1N914 4.7K 1K 1K 1K 4.7K 470 1K 680 560 MJE15032 Q908 MJE15033 Q909 R550 22 1W R551 22 1W R510 .22 5W R512 .22 5W R511 .22 5W R513 .22 5W 10K 47K 100K R533 2.2K 100K R504 33K R502 150K 5550 Q2 R500 2.2K CURLIM .047F C580 D508SMBD509SMB R532 150K C2 22 + R556100 R546100 R559100 R54910

21、0 TIP31C NPN Flat Q506 R503680 560 C582 560 C584 R516 .22 5W R514 .22 5W R517 .22 5W R515 .22 5W 1 CLIP #1318#1319 D16 .1F C13 K11 -24 RLY RELAY+ .1F C11 22 1W1% R129 22 1W1% R150 ST1 ST2 AMP STDOFF target QC2 OUT 1 Q510 Q511 Q512 Q513 Q514 Q515 Q516 XJW21194 Q517 XJW21193 -15VAMP +15VAMP A500.A 2 3

22、 + 1 8 4 4565 R15510K 120pF C519 1K smt 1/4w R520 100 smt 1/4w R521 R519 4.7K R151 10K R518 4.7K 120pF C518 D100 D102 D103 D101 R424 100 OP4.A C101 22 + NEG INPUT POS INPUT FAN G 5550 Q501 R523 1K 500 ms delay R44 AC Line in from switch AC Neutral to transformer AC Line to transformer 500 ms delay C

23、21 .047 250VAC H4.B H4.D H4.C H4.A AC Line out to switch F1 E2 Earth to chassis PL1 N E L Q1 R16 470K smt 1/4w R17 -15REAR +15REAR +15REAR 220F 50V C4+Q11 220K C9.047250VAC QC8 K1 C73 .047 250VAC 100 MAIN (HEAD) 2. ALL CAPACITORS IN MICORFARADS, EXCEPT AS NOTED. NOTES: UNLESS OTHERWISE SPECIFIED. 4.

24、 ADDED AS SECONDARY OPERATION. 1. ALL RESISTORS IN OHMS System Master E. PETERSEN E. PETERSEN01SEP04 A 12340 World Trade Drive San Diego, CA 92128 (858) 487-1600 fax 521-6032 REVISED BY: APPROVED: DRAWN BY:DATE: DATE: ASSY. DATE: REV: REV: NO: PCB NO: c 14FEB05 30-41520 001 001 (Head) 80-41521 (Combo) 80-41522 B800 Head / Biamp Combo HF NEG HF POS GND RGND R N/U 收音机爱好者资料库 Ra d i o Fa n s .CN