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6. In case of no sound
(1) Symptom
¯
LED is green
¯
Screen display but sound is not output
(2) Check following
Is the SPK cable
normal?
Is the SPK cable
connected well?
Cable inserts well.
No
No
Replace IC400
No
Replace IC401
No
Replace SPK cable
Yes
Yes
Is the RF/ AV/
Component/ RGB/
HDMI sound normal?
No
Does IC400
Operates ?
Does IC401
Operates ?
Replace IC402
No
Does IC402
Operates ?
Replace
VSC B/D
Yes
Yes
Содержание 42PX4DV
Страница 16: ... 16 1 2 Sony Power Board Structure 1 2 3 T502 Vs Trans T702 Va Trans T101 St by Trans T103 Low Voltage Trans ...
Страница 24: ... 24 PRINTED CIRCUIT BOARD MAIN TOP ...
Страница 25: ... 25 MAIN BOTTOM ...
Страница 26: ... 26 DIGITAL TOP SIDE A V TOP BOTTOM ...
Страница 27: ... 27 DIGITAL BOTTOM CONTROL TOP CONTROL BOTTOM ...
Страница 29: ...MEMO 29 ...
Страница 39: ......
Страница 40: ......
Страница 41: ......
Страница 42: ......
Страница 43: ...Apr 2005 Printed in Korea P NO 3828VD0221A ...