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
Summary of Contents for LCD-19XR7
Page 12: ...10 ...
Page 14: ...12 ...
Page 15: ...panel key board IR board power board main board pin pin pin pin pin Wiring diagram 13 ...
Page 21: ...main board ...
Page 22: ...main board ...
Page 23: ...main board ...
Page 24: ...main board ...
Page 25: ...main board ...
Page 26: ......
Page 27: ...back light board ...
Page 29: ......
Page 32: ...Jun 2007 30 CPS ...