Elo TouchSystems ET17 XXL Series Service Manual page 56

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Check the data enable of
positive polarity are output
on RN301 pin 6.
OK
Check the data signal output
on I303 R.G.B data pin.
OK
Check I309,I310 all LVDS
signal pins
OK
Failure point
(1) The cable broke between P301
and LCD
(2) LCD module failure.
Failure point
(1) I303 failure
NG
(2) Printed wire broke between I303
Failure point
NG
I303 failure line.
Failure point
(1) I309,I310 failure.
NG
(2) Printed wire broke between I309,
- -
53
and RN301 pin 6.
I310 and P304.