Carvin_00108c20apr92 电路图 维修原理图.pdf

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1、Quad X-Amp John L. Murphy 1155 INDUSTRIAL AVE. APPROVED: NO: DATE: DATE: PCB NO: ASSY. REV: REV: (619) 747-1710 FAX 747-9065 DRAWN BY: REVISED BY:DATE: ESCONDIDO, CA 92029 ARVINC 30-00108 80-00108 14AUG91 3 2 1 11 10 7 4 8 9 6 5 T1 240VAC 120VAC 100VAC, 0.025A 100VAC, 0.025A 13VAC, 0.75A 13VAC, 0.75

2、A 0 (C.T.) 6.3VAC, 1.5A 6.3VAC, 1.5A 0 (C.T.) D1 1N4007 D2 1N4007 C4 + 2200 C5 + 2200 R4 1 R5 1 H2-7 V+ (+15VDC) H2-1 GND A H2-8 V- (-15VDC) H2-5 V+ (+130VDC) H2-3 GND B H2-4 H+ (6.3 VAC+) H2-6 H- (6.3VAC-) C1 + 22 R1 1K C2 + 22 C3 560pf L E N 120/240VAC 50/60Hz 15-00101 J7 S1 Power QC1 QC2 F1 0.5A

3、H2-2 GND A H1-4 GND A H1-3 V- (-15VDC) H1-2 GND B H1-1 V+ (+15VDC) QC3 FOR 240VAC, CONNECT S1 TO QC3 FOR 120VAC, CONNECT S1 TO QC2 (Connected for 120VAC operation as shown) 1. ALL CAPACITORS ARE IN MICROFARADS, EXCEPT AS NOTED. 2. GND A (DESIGNATED BY THE OPEN SYMBOL) IS THE LOW NOISE AUDIO GROUND.

4、3. GND B (DESIGNATED BY THE CLOSED SYMBOL) IS THE HIGH NOISE UTILITY GROUND. QC6 RED QC4 YEL QC3 QC5 QC7 QC2 QC1 GRN YEL RED BRN BRN 30-00108 Rack Power SupplySchematic: 84-00108 25V 25V Q1 Q2 R2 R3 C6 C7 Z2 Z1 D7D8 D9 D10 D4 D3 D5 D6 47 47 63V 63V TIP31C TIP32C MR502 MR502 MR502 MR502 1N40031N4003 1N4003 1N4003 LAST USED LIST SYM. C D F H JMP Q QC R 10 2 2 7 2Z NOTES: UNLESS OTHERWISE SPECIFIED. 1N4745A 1N4745A 4.7K 4.7K 160V 160V F2 J1 N/U F3 J2 N/U F6 J5 N/U F7 J6 N/U F4 N/U J3 F5 N/U J. KENNEDY20APR92 C D 7 7 R6 1K J4 6 C8 + 22 160V 8 收音机爱好者资料库 Ra d i o Fa n s .CN