6. POWER AMP PART CHECK
POWER AMP PART CHECK
Refer to SMPS troubleshooting.
NO
Check
CN105 Pin2: +12 V
Pin13,15: 29 V.
YES
YES
Check IC700, IC701
Pin30,31,38,39,42,43,50,51 input voltage.
YES
Check each line resistor output voltage.
NO
Check each IC603
Pin64:+12 V input.
Check IC701, IC702
Pin28,29,36,37,43,44,52,53.
Replace the coil.
NO
Check output
line coil.
Check PWM Modulator input
IC700 Pin4,5,10,11 / IC701 Pin4, 5.
YES
YES
YES
YES
OK
3-24
AUDIO ELECTRICAL TROUBLESHOOTIHG GUIDE
Содержание RAS376BF
Страница 11: ...1 10 MEMO ...
Страница 13: ...2 2 MEMO ...
Страница 17: ...2 8 A60 4 SPEAKER SECTION 4 1 FRONT SPEAKER RAS376BF ...
Страница 18: ...2 9 A90 4 2 PASSIVE SUBWOOFER RAS376BW ...
Страница 19: ...2 10 MEMO ...
Страница 51: ...3 32 MEMO ...
Страница 52: ...3 33 3 34 6PIN CDM 345 CN301 CN303 CN302 CN105 CN401 CN501 CN304 CN104 CN502 CN902 CN903 CN901 WIRING DIAGRAM ...
Страница 63: ...3 55 3 56 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW Rev 2 2 ...
Страница 64: ...3 57 3 58 MAIN P C BOARD BOTTOM VIEW EAX63554401 Rev 2 2 ...
Страница 66: ...3 61 3 62 4 USB P C BOARD MEMO ...
Страница 67: ...3 63 3 64 MEMO MEMO ...