Carvin_80_77101c4apr02 电路图 维修原理图.pdf

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1、2. ALL CAPACITORS IN MICROFARADS, EXCEPT AS NOTED. 3. ALL DIODES ARE TYPE 1N4003, EXCEPT AS NOTED. 4. ALL OPEN GROUNDS ARE A ,EXEPT AS NOTED. 1. ALL RESISTORS ARE 1/4W, EXCEPT AS NOTED. NOTES UNLESS OTHERWISE SPECIFIED. 5. ADDED AS SECONDARY OPERATION. ALL TUBE GUITAR AMP OUTPUT TRANSFORMER 1.5K 220

2、K 4.7K 1W4.7K 1W 12AX7 TUBE FILAMENTS FILAMENTS C. McEUEN VOLUME 0.022F 100V 330PF 1000V 5A500K 25A25K 47/63V 1N40071N4007 1N40071N4007 1N4007 N/U 330PF .0022 SOAK 400V .0047 100K 220K 5A500K 100K 910 400V 400V 100K 100K .047 560 350 100K .047 .047 220K 220K 56K 56K BASS TREB QC22 QC1 QC3 R5 R15 R4

3、R16 R6 C4 C5 C6 C16 C9 C10 C11 C3 R25 R7 R19 R21 R28 R26 R20R22 R23 R27 R29 R30 C24 C20 C23 C22 R35R36R34 22K 3.3K 10W 100K YEL GRN MID 4/5 RED BRN BLU R31 82K P1 P3 P4 P5 R2 R3 1uF 1u 1K 1MEG 8 4 D3 D4D5 D6D7 P2 B1MEG cw cw cw R39 + + + 0 B C C C C 9 B R32 100K cw GRN GRN BLK BLK QC2WHT EL84 TUBE 4

4、 5 .0022 C8 600V .022 C25 R33 100K 15-02066 27PF C19 P7 20K BIAS ADJ cw 16 360VDC 355V 335V -17 VDC 230V 230V 325V BRN BRN 30-77101 21JUL94 30-77101 cw REVERB P6 100K R24 82K 56pC21 6.3VAC QC8 R37 100 R38 100 260VAC MASTER 0VAC 0VAC cw QC9 TEST PT. SET BIAS FOR: 2-EL84S = 40MA TEST ACROSS QC2 AND QC

5、9 MOVE QC2 TO QC9 BEFORE ADJUSTING .01 400V C7 400V .0022 C17 47K R12 C 400V .047 C14 47K R14 .0022 C15 2.2MEG R10 R9 470K 82PF C12 470K R8 .022 C18 R18 68K R13 1MEG 470F 25V 220 R11 C13 + .01 C1 R17 22K QC24 2.2M R1 D1 POWER 1N4003D9 1N4003D8 0.22F 63V C31 560PFC32 220K R40 C33 100K R41 0.047F 400V

6、 C34 .01 C35 560PF 500V C36 82F 400V C29 + 33F 400V C28 + 33F 400V C27 + 33F 400V C26 + 2200F 6.3V C37 + C2 1uF + GEORGE DREYER 12340 World Trade Drive San Diego, CA 92128 (858) 487-1600 FAX 521-6032 REVISED BY: APPROVED: DRAWN BY: DATE: DATE: ASSY. DATE: ARVIN REV: REV: NO: PCB NO: C GND V4.B V5.B

7、V5.A7 2 3 9 V4.A 7 2 3 9 V1.CV2.CV3.C QC13 QC12QC14 QC15 V3.B V3.A V2.A V2.B V1.B V1.A QC16 sh2sh3sh4 4 MOUNTING SCREW HOLES TAP N/U TAP N/U J2 8SPEAKER J1 INPUT H1.A H1.B H1.C H1.D 10PF C30 use grn 4 tap for 8 ohm speaker 4 tube output transformer with two tubes H2A.A H2A.B H2A.C H2A.I H2A.J H2A.E

8、H2A.H H2A.F H2A.G H2A.D S1.A S1.B H2B.A H2B.B H2B.C H2B.I H2B.J H2B.E H2B.H H2B.F H2B.G H2B.D FB /OUTPUT FB /OUTPUT QC5 QC6 QC7 QC10 B2 B1 B3 org/wht blk/wht org switch QC17 switch 120 120 PL1 AC JACK B80-77101 11FEB02 0 R42 220 1N4003D2 1N4003 D10 R43 100 R44 100 .1 C38 .1 C39 .1 C40 100k 0.033F 100V C41 R45 560p Changes from proto B to C E1 220K 0 100K N/U N/U C VINTAGE 16 收音机爱好者资料库 Ra d i o Fa n s .CN