Carvin_00104c11mar92 电路图 维修原理图.pdf

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1、Quad X-Amp 24JUN91 John L. Murphy 3. ALL DIODES ARE 1N4003 EXCEPT AS NOTED. C15 C16 C17 R42 R38 R44 R43 A1.A 2 !- 3 + 1 C13 + .01 1K 1M 120pF 330pF 4.7K 0.22 220 S1 BRIGHT R40 4.7K 1155 INDUSTRIAL AVE. APPROVED: NO: DATE: DATE: PCB NO: ASSY. REV: REV: (619) 747-1710 FAX 747-9065 DRAWN BY: REVISED BY

2、:DATE: ESCONDIDO, CA 92029 ARVINC (OFF) C11 R34R33 A2.A 2!- 3 + 1 330pF 3.3K2.7K C10 .068 C9 .068 R32 1K R31 1K C50K P1 CLOAKING R36 1.5K R35 2.2K C18 C58 R54 A8.B 6 !- 5 +7 100K .01 180pF Q4 R53 10K C19 R55 100K .01 Q5 C22 10 R51 10K R50 10K R52 10K C23 A8.A 2 !- 3 + 1 56pF R58 33K C24 10 Q3 C21 10

3、 R48 1K R57 1K R56 33K Q10 C20 .01 R47 470K2N5550 R45 470K R46 470K V+ A3.B 6 !- 5 + 7 C5 P2 C50Kx2 cw 180pF R20 2.2K A1.B 6 !- 5 +7 C1 82pF A3.A 2 !- 3 + 1 cw R25 150K R2 300K R30 10K D9 D7 D8 R23 R22 R24 R26 R28 R29 C6 C7C8 D11 D10 .047 220K 4.7K 100K 1K REDGRN R27 10K 1N4743A 1M 2.2M 0.10.1 V-V-

4、R21 1M V+ R39 100K S2 BOOST (OFF) R41 C14 + 10F470 R37 100K C12 .068 C26 C27 6 !- 5 +7 6 !- 5 +7 2 !- 3 + 1 R64 R61 R63 R62 SND SG RTN GND R67 R65R66 C28 P3 150 150 .0022 2.2K68 .0033 100K .0022 4.7K 47 B100K REVERB REVERB TANK INOUT C25 R60 .0033 470K R59 10K RVB SND RVB RTN R RVB RTN L EFF SND EFF

5、 RTN R EFF RTN L C35 C34 R85 A5.A 2 !- 3 + 1 100K .01 27pF Q6 R84 47K R80 47K R81 47K C38 C37 R97 A5.B 6 !- 5 +7 100K .01 27pF Q8 R96 47K R92 47K R93 47K C45 10 R87 R88 C40C41 33K 0.1 4.7K 0.1 C43 R89 R90 A6.A 2 !- 3 +1 2.2K 2.2K .0022 C42 0.22 C51 10 R99 R100 C46C47 33K 0.1 4.7K 0.1 C49 R101 R102 A

6、6.B 6 !- 5 + 7 2.2K 2.2K .0022 C48 0.22 A10.A 2 !- 3 +1 C54 P4 A100Kcw 56pF R104 33K A9.A 2 !- 3 +1 C55 cw 56pF R105 33K S3 C44 10 C50 10 R91 100K R103 100K A11.A 2 !- 3 + 1 C52 P5 A100K cw 56pF R77 33K STEREO L R76 33K C53 A11.B 6 !- 5 + 7 180pF R79 10K R78 10K STEREO R 12 3 MONO BAL C56 A12.A 2 !-

7、 3 +1 180pF R108 10K R107 10K C57 10 R106 10K (OFF) H6-7 TO AMP IN SILENT RECORDING PHONES H6-2 H6-4 H2-8 H2-7 A4.A 2 !- 3 +1 R3 220K R4 220K D1 C3 10 D2 YEL R7 1K R5 33K -20dBv D3 YEL R10 1K -10dBv D4 GRN R12 1K 0dBv D5 GRN R16 1K R14 1K +10dBv D6 RED +20dBv J2 SIG (REAR INPUT) CO-AX CABLE FXL FXR

8、RVL RVR (POWERED MODELS) C36 R86 100K .01 Q7 R82 10K R83 10K FXL C39 R98 100K .01 Q9 R94 10K R95 10K FXR EQ EQN FXN FX FX FXN NOTES: UNLESS OTHERWISE INDICATED 1. ALL CAPACITORS ARE IN MICROFARADS. H2-4 H2-3 H2-2 H2-6 H2-5 H6-1 H4-7 H7-1 H7-3 H4-1 H4-2 EQ OUT EQ IN CH 2&3 INCH OUT CH 1&4 IN 80-00104

9、 30-00104 H4-4 C1 C1 H4-3 C2 C2 H4-5 C3 C3 H4-6 C4 C4 GND HOLDPASS NOISE GATE C33 C32 R75 A12.B 6 !- 5 +7 100K .01 56pF Q1 R74 15K R72 33K R73 33K H2-1 RV RVR RVL A14.B 6 !- 5 +7 MONO OUT - R116 15K cw cw cw cw 1-5 1-11 1-4 S4 LAST USED R C A D H J S U P Q H4-8 GND A Schematic: 84-00104 H6-8 JMP1 H9

10、-1 H9-2 H9-3 H9-4 H1-1 V+ H1-4 GND A H1-3 V- H1-2 GND B R114 10 R115 10 V+V- C59 + 10 C60 + 10 V+V- H7-4 V+ H7-5 V- H7-2 GND A H7-6 GND B H7-7 STD BY (POWERED MODELS ONLY) J1 GNDSIG INPUT RVB OUT 2 1 3 2 1 3 H6-3 H6-5 R49 10K A10.B 6 !- 5 + 7 C61 R111 A9.B 6 !- 5 +7 C62 R113 STEREO OUT R110 R112 CAB

11、INET VOICING 10K 10K 10K 10K 180pF 180pF 1-62 1,2,4,6-10 C. McEUEN R109 100K QC1 R118R117 1010 V+V- A7.B A7.A A2.B (ON) (OFF) SYSTEM MASTER #2 of 2 A7-8A7-4 TOTO 5. V- TIES TO OP AMP PINS 4 EXCEPT AS NOTED. 4. V+ TIES TO OP AMP PINS 8 EXCEPT AS NOTED. 6. OPEN GND SYMBOL I S GND A (LOW NOISE). 7. SOL

12、ID GND SYMBOL I S GND B (HIGH NOISE). 2. ALL OPAMPS ARE 4558 TYPES. R119 470 C2 R1 10K .22 R70 R71 47K 47K x2 Not Used A4.B 6 !- 5 +7 A13.A 2 !- 3 +1 A13.B 6 !- 5 +7 A14.A 2 !- 3 +1 R6 150 R8 330 R9 910 R11 3.3K R13 47K R15 47K V+ C4 .22 R17 R18R19R68 R69 N/U N/U N/U N/U N/U 1-10 1-14 1-3 System Master.Analog R120 470 1-120 B V- 13V C 11MAR92 收音机爱好者资料库 Ra d i o Fa n s .CN