2. AUDIO ABNORMAL
Audio abnormal
Replace FB711 ~ FB714.
Check the power circuit.
Replace R750, R751, R733, R734.
Replace IC702.
YES
NO
NO
YES
NO
YES
Check the signal output
of IC702 pin1, 2, 14, 15.
Check the speakers connection.
R750, R751, R733, R734 nomal?
Check IC702 pin6 voltage (4.5 V).
NO
NO
YES
NO
YES
Check the signal output
of FB711 ~ FB714.
Check the signal input
IC702 pin4, 12.
Check the IC702 VDD
pin3, 13 of power circuit.
3-4
ELECTRICAL TROUBLESHOOTING GUIDE
Содержание CM1530
Страница 11: ...1 10 MEMO ...
Страница 13: ...2 2 MEMO ...
Страница 15: ...MEMO MEMO ...
Страница 17: ...A60L A60R 3 SPEAKER SECTION CMS1530F ...
Страница 46: ...3 41 3 42 2 MAIN P C BOARD TOP VIEW ...
Страница 47: ...3 43 3 44 MAIN P C BOARD BOTTOM VIEW ...
Страница 48: ...3 45 3 46 3 DISPLAY P C BOARD 4 USB P C BOARD 5 IPOD P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 49: ...3 47 3 48 MEMO MEMO ...