Carvin_eq 电路图 维修原理图.pdf

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1、C. McEUEN R1 C1 2 3 +1 R2 C2 C15 R23 C13 A4.A 2 3 +1 A4.B 6 5 +7 R24 R25 R28 C14 C16 + C17 + R26 R27 10K H7-1 82pF 10K 10F 68K 82pF 10K 82pF 10K 10K 10 10 .01F .01F H7-4H7-2H7-5 1155 INDUSTRIAL AVE. APPROVED: NO: DATE: DATE: PCB NO: ASSY. REV: REV: (619) 747-1710 FAX 747-9065 DRAWN BY: REVISED BY:DA

2、TE: ESCONDIDO, CA 92029 ARVINC A1.A H7-3 EQ OUT 10F V+ TO IC1-4 PIN 8 V TO IC1-4 PIN 4 NOTES: UNLESS OTHERWISE INDICATED H7-6H7-7 R3 C4 C3 R4 P1 10K A1.B 6 5 +7 R5 R7 C6 C5 R8 P2 10K A2.A 2 3 +1 R9 R11 C8 C7 R12 P3 10K A2.B 6 5 +7 R13 R15 C10 C9 R16 P4 10KA3.A 2 3 +1 R17 R19 C12 C11 R20 P5 10K A3.B

3、6 5 +7 R21 R6 R10R14R18R22 1. ALL RESISTORS IN OHMS, .25W. 3. ALL OP AMPS ARE TYPE 4558. C18C19 2. ALL CAPACITORS IN F. 30-00105 80-00105 PCB 30-00105 Quad X-Amp EQH7-8 N/UN/U QC1 D1 R29 POWER R30 D2 Not Used .22.22 .22.2215K 3.9K 27K 8.2K 9.1K 2.7K 18K 10K .022 .022 .01 .017.5K 7.5K R31 R32 470 100

4、K 15K 18K 7.5K 15K 13K 15K .0033 .0033 27K 12K 3.9K 2.2K 1K Not Used .01.01 LAST USED LIST SYM A C D H P 1-2 1-5 1-4 1-19 R1-32 H2-10 H2-9 H2-8H2-7H2-5H2-6H2-4 H2-1 H2-3 H2-2 4. H2 LOCATES THE RIBBON SPLITTING THE CIRCUIT BOARD. EQ IN 75Hz + 150Hz + + + + 2,7 20NOV91 Quad X-Amp GRAPHIC EQUALIZERSchematic: 84-00105 A 1K Hz3K Hz 6K Hz C J. KENNEDY 25AUG92 收音机爱好者资料库 Ra d i o Fa n s .CN