Carvin-CX1252-mix-sch维修电路原理图.pdf

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1、1. ALL CAPACITORS IN MICROFARADS (EXCEPT AS NOTED). 9. CUT THIS TRACE ONLY IF H2 IS USED FOR BRIDGE R109/R110 RESPECTIVELY UNIT WARM, 120 VAC LINE. 8. ADJUST P1/P51 FOR 6mV (0.2mV) DROP ACROSS 2. ALL DIODES ARE 1N4003 (EXCEPT AS NOTED). 6. T1 IS: 15-50098 FOR FX MIXERS. NOTES: UNLESS OTHERWISE SPECI

2、FIED 5. ADDED AS SECONDARY OPERATION. RELAY THRESHOLD LABELS NOT USED LAST USED LIST MONO PHASING. Ch.2 51-100 Sys. 101-200 POWER MODULE 63V 63V Ch.1 1-50 TO THERMAL C. McEUEN 220F 1N4745A 1N4745A CH1 OUT CH2 OUT 3.07Vrms PROTECT -20 VDC 1N4745A 1N4745A -20 VDC 1N4756A 10,000F 560pF 560pF +15VDC -15

3、VDC +15VDC +15VDC -15VDC MPSW42 MPSW42 MPSW92 2N5400 0.22F MPSW42 MPSW42 MPSW92 MPSW92 2200F MPSW92 TIP31C 2200F Desig. OUTPUT OUTPUT +15VDC -15VDC TIP32C 0.22F 0.22F TIP32C TIP32C 0.22F BRIDGE SWITCH 1N4735 N/U 0.22F 10,000F +15VDC -15VDC SWITCH 1N4737 1N4734A 1N4737 1N4734A 0.56 0.56 120pF 470F 12

4、0pF 120pF 470F 120pF MR502MR502 470F MR502MR502 470F 102.B 102.A 101.A 101.B 0.05 0.05AUDIO INPUT 15N20 15N20 2.5uH 2.5uH AUDIO INPUT 15N20 15N20 0.56 H1-10 N/U 0.1F 0.1F A1.A A2.A 470 470 1.8K 150 150 150 R105 R103 R106 Z103 Z104 R107 270 R120R119 R118 R121 R117 R116 R115 R113 R114 R111 R112 Q105 J

5、175 100K 100K 7.5K 360K 360K 360K 360K 680 10F 47F 82pF 470470 1.8K 150 150 150 150 150 D110 C115 C114 C113 Q106 D109 C112 100K 680 C110 C107C105 D101D103 82pF 47F 10F 10F R108 R104 120 Q102 D102D104 D105 D106 D107 D108 C111 C106C108 10F QC11 QC12 Q103 A2.B A1.B 8P20 R109 R110 CLIP H1-8 H1-2 H1-7 CL

6、IP BLUE D111 CH 1 2.2K 4.7K 6.8K 4.7K 2.2K 8P20 P101 10F CH 2 2.2K 4.7K 6.8K 4.7K 2.2K 8P20 8P20 H1-1 3.07Vrms H1-5 H1-4 H1-3 H1-6 QC14 QC13 OPT. QC10 LAMP LAMP C116 H2.1 H2.2 H2.4 H2.3 H1-9 H3-1 H3-2 R123 39pF 39pF 39pF 39pF R124 R125 560100K Z105 C101 C102 R101 Z101 T101 C117 R126 Q101 C103 C104 C

7、109 R102 Z102 2.2K JMP3 JMP4 JMP1 JMP2 JMP* JMP* WIRE C118 C119 C120 R61R63 R66 R65 R70 R64 R67 R69 R60 R57 R58 Z51 R74 R72 R75 R68 22K 22 K51 R79 10K 100K 100K 100K R62 10K 8.2K R51 R53 R52 R55 R59 8.2K 10K 10K QC3 QC4 YEL YEL 50V 16V R24 R22 R25 R27 R20 R16 R15 R17 R21 R13 R11 R10 R19 R12 R18 R14

8、22K Q11 Q10 QC7 QC6 QC5 Q60 Q56 Q61 Q57 R77 50V R71 Q53 C57 16V C56 Q52 Q54 10K C52 C53 C54 50V 16V 25V 50V C51 22 Q55 25V 16V Q51 P51 L51 RED GRN QC8 102 101 106 101 CH1 CH2 GND QC9 JMP GRN GRN ORG R30 50V FAN DC 47 C10 C59 C60 105 QC1 QC2 BLK BLK Q58 Q59 R23 R26 R73 R76 R78 100K 10K 50V N/U N/U N/

9、U N/U N/U N/U C55 D51 D52 Z53 Z52 5K 5W 1K 1K 1K 1K V+ V- K1 100K V+ R2 R1 V+ C1 C2 C3 C4 C6 C7 R9 Z1 5K 1K Q4 Q2 1K 1K Q5 1K 5K Q3 Q6 Q7 R8 R5 R7 R3 R4 5K 5W Q1 5W 5W 5W 5W P1 L1 QC 51 51 51 - 11 - - - 61 - - V- 5K 5K 14 BK BN S1 5K C9 1060 N/U Q8 Q9 CW CW C5 D1 D2 Z3 Z2 - 52 53 C121 10pF 2 3 + 1 2

10、 3 + 1 B B A C D H Q R T Z P B B B BB G D S G D S G D S G D S + + + + 6 5 + 7 2 3 +1 2 3 +1 6 5 + 7 6 5 +7 6 5 +7 K L1 1 1 2 B + + C D R + + B Q 9 Z 8 8 7 B B T + 2 3 10pF D112 +15VDC +15VDC D113 122 24 31 5 4 C122 + 470F/16V THERMAL FAN CONTROL R56 R81 C58 330 1.5K .01F C8 R31 .01F R6 330 1.5K JMP5

11、 H4.1 H4.2 B THERMAL SWITCH R122 R54 -15 VDC 100K +15VDC12K R127 D114 100K 114 12781 104 500W STEREO 15JAN90 30-10028 80-05028 1/2W 80V 80V N/U N/U N/U N/U N/UN/U N/U N/U N/U N/U N/U N/U 31.7Vrms (250W 4) (250W 4) 31.7Vrms 28, 29,80 7. ADJUST P101 FOR XXX Vdc (0.1 Vdc) AT A102 PIN 2. N/U N/U N/U CH1

12、-1CH1-2 CH2-1CH2-2 1N4007 1N4007 G C. MCEUEN 3. ALL RESISTORS IN OHMS. 4. A1, A2, A101, AND A102 ARE MC33078 OP AMPS. O 2DEC94 1/2W 12340 WORLD TRADE DR. SAN DIEGO, CA 92128 (619) 487-1600 FAX 487-6629 REVISED BY: APPROVED: DRAWN BY:DATE: DATE: ASSY. DATE: ARVIN REV: REV: NO: PCB NO: C RadioFans.CN 收音机爱 好者资料库