
6-5
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Check the PHD signal is ouput on J301 pin6.
OK
NG
Failure point
1) IC401 failure.
2) Printed wire broke between
U401 and J301 pin6.
3) R437 or C346 failure.
Check the data signal output on J301 and J302
R, G, B data pin.
OK
NG
Failure point
1) IC401 failure.
2) Printed wire broke between
IC401 data line and J301,
J302.
Failure point
1) The cable broke between J301, J302 and
Panel connect Board.
2) Connect Board fail.
3) LCD module failure .