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SERVICE MANUAL

ACA-2664

POWER AMPLIFIER

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Summary of Contents for ACA-2664

Page 1: ...SERVICE MANUAL ACA 2664 POWER AMPLIFIER...

Page 2: ...TOTECT MUTE CONTROL TRANS REGULATOR POWER REGULATOR IC01 POWER CONTROL RL IN RR IN VR301B VR301A IC301A IC301B 2 1 POWER AMP T451 T457 T458 T461 T462 T465 IC102A IC103A IC103B POWER AMP SW101B FL OUT...

Page 3: ...C99 OPEN GND GND 2 G 3 S 1 D 2 G 3 S 1 D VCC VCC VEE VEE ACA 2664 AMP PA4 4 SCH R108 56K R105 56K IC101A 1 2 4558 IC102A 1 2 4558 R101 1K R103 1K R106 10K C102 102 C C103 563 M R104 10K R110 56K C106...

Page 4: ...50V R43 OPEN R28 1K C29 3300U 50V R29 1K R38 OPEN R32 47 R24 1K2 R31 47 C28 OPEN C32 104 C C27 OPEN C31 104 C C14 104 C L01 SHORT D15 OPEN D16 OPEN MUTE VCC VEE D06 FR154 D05 FR154 D07 FR154 D08 FR154...

Page 5: ...PA4 4 PCB X060210...

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Page 9: ...51 ELE 4 7U 50V CAPACITOR C153 ELE 10U 25V CAPACITOR C352 CAR 1000P 100V CAPACITOR C154 ELE 10U 25V CAPACITOR C353 ELE 10U 25V CAPACITOR C155 CAR 15P 500V CAPACITOR C354 ELE 10U 25V CAPACITOR C156 ELE...

Page 10: ...0 1 4W RESISTOR IC102 JRC4558 I C R169 220 1 4W RESISTOR IC103 JRC4558 I C R17 10 1 2W RESISTOR IC203 JRC4558 I C R170 0 12 3W RESISTOR IC301 JRC4558 I C R171 0 12 3W RESISTOR IC302 JRC4558 I C R172 0...

Page 11: ...5K 1 4W RESISTOR R404 10K 1 4W RESISTOR R275 30K 1 4W RESISTOR R405 47K 1 4W RESISTOR R276 56K 1 4W RESISTOR R406 10 2K 1 4W 1 RESISTOR R277 680 2W RESISTOR R407 1K 1 4W RESISTOR R278 4 7 1 2W RESIST...

Page 12: ...T10 9015C TRANSISTOR TO 92 E B C T367 9014C TRANSISTOR TO 92 E B C T11 FQP50N06 MOSFET TO 220 T451 2N5551 TRANSISTOR TO 92 E B C T12 FQP50N06 MOSFET TO 220 T452 2N5551 TRANSISTOR TO 92 E B C T13 FQP50...

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Page 14: ...on Front L R Front L R Rear L R Front L R Rear L R dB 71 Full range 40 output noise No signal input Input Terminal Open mV 3 dB 30 Work normally Distortion 0 7 1 kHz 10 kHz Low input Product specifica...

Page 15: ...etween channels Work normally 10 Gain difference between channels dB 3 Volume output max max decrese 46dB Not self excitation and parasitism V In phase Product specification Power supply voltage 11 St...

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