Carvin_v3m_blocked 电路图 维修原理图.pdf

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1、2. ALL CAPACITORS IN MICROFARADS, EXCEPT AS NOTED. 4. ADDED AS SECONDARY OPERATION ARE DENOTED . 3. ALL OPEN GROUNDS ARE A ,EXEPT AS NOTED. 1. ALL RESISTORS ARE 1/4W, EXCEPT AS NOTED. NOTES UNLESS OTHERWISE SPECIFIED. 5. FLAME PROOF / FUSED PARTS. OUTPUT TRANSFORMER WITH 4 PW TUBES ON ACROSS STANDBY

2、 0.047F 400V 12AX7 TUBEFILAMENTS 350 VAC 350 VAC RTN 47uF/63V 1N4007 2200F2200F 6.3VAC J5 J6 1N4007 N/U 2200F 2200F 330PF .0033F SOAK 180P .0022 0.001F .0022 3.3K 2.2K 1.5K 400V 400V 220K SND 3.3K 100K 470K 470K .047 560 4.7K4.7K350 100K 220K 220K QC51 QC52 QC53 QC54 QC56 100K 82K 220K 27PF .047 QC1

3、6 100K GNDA 22K 185V 160V 185V 100 100 300V 300V 190V 195V 400V S6.A S6.B 220K 1/2W 1/2W STBY STBY 350V 350V QC14 GND 10PF .047 .047 SPKR SPKR 630V 500V V1.B V1.A V2.A V2.B V3.B V3.A V4.B V4.A 470K 470K 400v QC7 R12 R13 R91 C73 C11 C12 C13 R48 R20 R37 R92 R38 R47 R45 R51 R49 R46R44 C35 C39 R43 R50 C

4、70 C44 C40 R56R57R55 22K 22K 10W C29 4/5 RED BRN BLU D12 D14 D16 R54 C41 C30 C53 R18 C10 R28 R27 D10 1M R21 .01 C8 R10 C46 C17 D11 C55 C20 BLK BLK 4.7M R16 R62 C26 R63 C15 R66 R67 1% R9 C2 R2 R1 R7 R6 J3J2 N/U S1 1W1W B1 B1 B2 B3 B3 6V 6V C1 D1 D3D4 D2 0V 5.5.5. 1% C7 6V + 0.22F 0.22F + 0 + C D D D

5、D 9 CP + + * E ! ! ! + + 6 7 8 1 2 3 7 + 47 #915#916 J1 2 4 3 5 16 INPUT B2 0.001 /400V C23 220K R3 D 560p C27 220K R30 0.0022F* 400V C16 0.001uF 400V C18 E.PETERSEN E.PETERSEN C93 + 10F MODE 2 MODE 2 S5.B S5.A 1.0M R8 1F 35V C9 + MODE 1 MODE 1 S4.A S4.B R26 R65 H6B.D GND IN H6B.C H6B.B H6B.A GND IN

6、 470K 10K R95 47K BOOST D401 R444 GREEN GND OUTPUT TO CHASSIS CH 3 YEL D301 GNDGND .022F C77 C81 22F 450v + C82 22F 450v + C84 82F + K3.B K2.A 8 1 3 2 4 K1.A 8 1 3 2 4 K1.B CH 1/2CH 1/2 CH 3 CH 1/2 1.0M R59 400V .047 C14 D6 R87 47K R88 47K QC1 GND L GND H5A.A H5A.B H5b.A H5b.B H11B.A H11B.B H3A.D H3

7、A.C 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 1.5K 220K 470K R127 R128 2.2k 100K E V2 ! C88 22F 450v + E V2 E V2 100K 0.0047F C24 0.0047F C48 BRIGHT 470K 470 R137 150K P27 cw B20KR139 10K 400

8、V .047 C62 .047/630V C42 .047/630V C43 .047/630V C145 R81 47K 120P C95R146 150K BRIGHT 0.001F C94 R147 47K H?2A.B H2A.D 470K R143 470K R144 0.0033F C45 GND ARVIN C102 0.22F QC2 GND H6A.D H6A.C H6A.B H6A.A 10PF C103 L1 C106 10pF R117 470K R118 470K GND QC3 GND STANDBY SWITCH POWER TRANSFORMER D15 D17

9、 5mm x 20mm QC5 QC4 QC6 QC8 S13.B 120/240vac S13.A 120 120 240 240 QC20 QC21 POWER SW 1A SLOW BLOW PL1 L N E QC31 QC33 QC32 V5.A 7 2 3 9 V6.A 7 2 3 9 V8.A 7 2 3 9 V7.A 7 2 3 9 V5.B 45 V6.B 45 EL84 FILAMENTS V7.B 45 V8.B 45 350r 350r R72 R73 5W 5W 4.7K 4.7K 4.7K 4.7K R70 R71 R74 R75 350 350 R76 R77 5

10、W 5W 15-02066 WHT YEL GRN BLK 16 8 4 27P LINE OUT J4 EL84 R80 470K C56 22F/450 + ! H5A.F H5A.I H5A.D H5b.F H5b.I H5b.D S7 50w 22w 7w OUTPUT POWER R82 360K SET P27 FOR 75mA MPSW42 NPNQ5 10K R33 R140 R32 D 47K 1W R34 0.22uF C66 1uF/63v C68 100K 470K MPSW42 NPN Q2 R108 R109 R111 47K 1W R110 0.22uF/63V

11、C69 0.047uF/400V C97 100K 470K REAR V+ .047/630V C99 R116 47K QC9 QC10 QC11 QC12 QC13 1F C79 10K V1.CV2.CV3.C 4,5 9 V4.C P11Hcw 5A500K DRIVE1 F GND H1A.A H1A.C H1A.D H3A.A H3A.B H1B.A H1B.C H1B.D H3B.A H3B.B P21H cw 5A500K DRIVE2 F GND P1H cw B50K MASTER M GNDP2Hcw B50K REVERB M GND P31Hcw 5A500K DR

12、IVE3 F GND H2A.A H2A.C CP P11Ccw 5A500K DRIVE1 F GND H1A.BH1B.B GND QC22 GND IMPEDANCE 16 OHM 8 OHM 4 OHM CH1-CH2 S2.A CH3 S3.A H8A.D H8A.C H8A.A H8A.B GND H8B.A H8B.C H8B.D H8B.B H11A.A H11A.B P1.A cw C50Kx2 BOOST L GND R11 8.2K L GND C83 82F 500v + R35 270R R36 270R J8 1 2 3 45 FS44L -or- FS44 CH

13、1-2 / CH3 / REV / BOOST S2 FS44 S4 FS44 S3 FS44 S1 FS44 J7 FS-22 CH3-TIP-1 / CH1/2-RING-2 L GND GND FT G FT G R401 0R jmp R402 0R R403 1K R405 0R R406 0R JMP FS SHORTS LEDs H5A.H H5A.G H5A.J H5A.E H5b.C H5b.H H5b.G H5b.J H5b.E H5A.C H9A.A H9A.C H9A.D H9A.B H9B.A H9B.C H9B.D H9B.B 0.1F/100v C31 FROM

14、LOOP R52 33K R148 10K V3M 50wTube Head 4 x EL84 output H7.D H7.C H7.A H7.F H7.B H7.E H7.G H7.H +5V REV C100 + 1F ST7 H17.E H17.D H17.A H17.B H17.C H17.F H17.G H17.H R61 24K R167 22K D GND C REF C REF R145 6.8K R78 47K D GND select adjust REVERB UNIT C37 0.0033uF D52 LIMIT n/u D53 n/u R79 47K +5V REV

15、 OUTPUT INPUT R84 33K R85 47K R89 100K R107 24K R120 22K R113 1K R121 47K select adjust M GND SEND SEND FRONT PCB REAR PCB ST2 ST3 ST5 ST6 ST1 H11A.C H11A.D H11B.C H11B.D H7.I H7.J H17.I H17.J CHANNEL SELECT H78.D H78.C H78.A H78.F H78.B H78.E H78.G H78.H H78.I H78.J H77.D H77.C H77.A H77.F H77.B H7

16、7.E H77.G H77.H H77.I H77.J DSP THRU HOLES ANTI-SPIN QC17 QC18 20 VAC 15-10604C BRN BRN 330R H4A.D H4A.B H4A.A H4A.C H4B.D H4B.B H4B.A H4B.C C CP FT G GND S11.A S12.A H33A.A H33A.C H33A.D H33A.B R 5V ! 400V 200V R112 D40 BLUE SQ 68 R161 D33 RED SQ 22 D35 RED SQ R129 D42 BLUE SQ 68 R123 D44 BLUE SQ 6

17、8 R160 22 D30 RED SQ D31 RED SQ H33B.D H33B.C H33B.A H33B.B LED V3 GRILL BACKLIGHTING ST32ST31 P21Ccw 5A500K DRIVE2 R404 1K LEDs RED BLUE R 5V5VDC R90 270R 30-33050 80-33050 FT G 5VDC R 5V R40 270R P1C cw B50K MASTER M GND P2Ccw B50K REVERB P31C cw 5A500K DRIVE3 F GND P23C cw 5A500K MID 2 P13C cw 5A

18、500K MID 1 P12C cw B1M BASS1 P22C cw B1M BASS2 P15Ccw B1M VOL 1 F GND P25C cw B1M VOL 2 F GND P16C cw 5A500K PRES1 P26Ccw 5A500K PRES2 P14C cw B1M TREB1 P24C cw B1M TREB2 P36C cw 5A500K PRES3 P35C cw B1M VOL 3 F GND P32C cw B1M BASS3 P33C cw 25A25K MID 3 P34C cw B1M TREB3 ST8 N:137 N:127 N:154 N:144

19、 N:143 N:133 N:141 N:155 N:142 921:N941:N 11 N:81 N:93 N:11 N:17 N:18 N:4 N:15 N:16 N:14 N:135N:13 N:23 N:24 N:25 N:103 N:27 N:28N:159 N:194 N:50 N:188 N:161 N:171 N:188 N:161N:171 COMBO CONTROL POTS: N:83 N:70 N:83 N:70 N:100N:100 N:102 N:102 N:114 N:100 N:114 GND D5 K3.A 8 1 3 2 4 K2.B CH1-2 outin

20、 adj Q55 317+adj C51 + 22u R25 1K R23 330R C59 0.047 Adj Vout Q15 REV+5V +12VDC C52 + 22u R39 1K R31 330R C65 0.047 5VDC +12VDC w/Sink +12VDC R41 0R R42 0R SMT QC15 GND FRONT S3.B S2.B S11.B S12.B BLK YEL ORG WHT 16DEC10 CH 1-2 S10.B CH 3 S15.B GND SW CH3 CH 3 S15.A CH 1-2 S10.A R114 100K OP1.A OP1.

21、B L GND R115 0R R122 270R R 5V 5550 Q4 SW CH3 SW CH2 SW CH22HC WS3HC WS 5VDC CHANNEL SELECT input in phase invert input input bot drives tubesin phase with input inphase with input top drives tubes out of phase with input C98 1uF/400v + REAR V+ R106 4.7K 400V L GND ! 400V R19 100K R149 100K 5550 Q8

22、R135 1K 5550 Q9 D18 +BYP FT G R136 4.7K 1.0M R138 HEAD COMBO R126 22K 220K R151 220K R152 220K R153 H10B.D H10B.A H10B.B H10B.C +5V REV +BYP H10A.D H10A.A H10A.B H10A.C REV+5V BYP+ GND M GND D GND 220K R154 325V 295V 265V 392V385V R53 10K R64 47K ST4 30deg. R170 150R M GND D GND opt. P1.B cw C50Kx2

23、CH 1 BLU D101 R125 330R CH 2 RED D201 5550 Q1 R124 1K 5550 Q7 5550 Q3 R103 330R SW CH3R131 1K SW CH2 5VDC BYP+ REV+5V R 5V 5401 Q11 5401 Q10 5VDC R94 1K R93 2.2K CH2 REL CH3 REL 5VDC 5VDC R150 4.7K CH2 REL CH2 REL CH3 REL R102 0R R101 0R 07MAR11 C C or D (blocked) (blocked) 收音机爱好者资料库 Ra d i o Fa n s .CN Blocked channel 2 EQX & Tone Blocked channel 1 EQX & Tone Blocked Channel 3