1
8
3.3.no sound (TV input)
Check if PIN2, 9,10 and
14 voltage of NV1 is
normal?
Check power supply
Check PIN5 and
PIN11 output wave of
NV1
Check PIN24 wave of
N3
Check PIN11 wave of
TUN1
Check TUN1 and its
periphery
Check NV1 and its
periphery
Check NS2 and its
periphery
Check N3 and its
periphery
no
yes
no
yes
yes
yes
no
no
Содержание LCD-19XR7
Страница 12: ...10 ...
Страница 14: ...12 ...
Страница 15: ...panel key board IR board power board main board pin pin pin pin pin Wiring diagram 13 ...
Страница 21: ...main board ...
Страница 22: ...main board ...
Страница 23: ...main board ...
Страница 24: ...main board ...
Страница 25: ...main board ...
Страница 26: ......
Страница 27: ...back light board ...
Страница 29: ......
Страница 32: ...Jun 2007 30 CPS ...