
you connect.
Service Manual
Model No.: LE50D3505
No sound but have picture
Verify if the speakers are
broken
No
Yes
Change the speakers
Verify if the main board has the
right input ,according to the source
TV/COMPONENT/AV/VGA/HDMI etc.
Yes
Verify if UA1 has the right
output
Yes
Check CN17 input is right
No
No
Check the corresponding audio
input circuit you connect.
Verify if UA1 has the right power in
No
Change UA1
Still having problems
Change Mainboard
40
Содержание LE50D3505
Страница 10: ...Service Manual Model No LE50D3505 2 2 External pictures four faces Front Side Up Side 9 ...
Страница 11: ...Service Manual Model No LE50D3505 Right Side Back Side 10 ...
Страница 18: ...Service Manual Model No LE50D3505 17 ...
Страница 24: ...Service Manual Model No LE50D3505 Chapter 7 Electrical Parts 7 1 Circuit Diagram ...
Страница 25: ......
Страница 26: ......
Страница 27: ......
Страница 28: ......
Страница 29: ......
Страница 30: ......
Страница 31: ...Service Manual Model No LE50D3505 7 2 Wiring Connection Diagram 30 ...
Страница 37: ...Service Manual Model No LE50D3505 9 2 Mainboard IC Introduction Top view 36 1 2 3 4 5 6 7 8 ...
Страница 38: ...Service Manual Model No LE50D3505 Bottom view 37 ...