LG 32LB9RT - Page 17

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4. In case of becomes unusual display from RF mode(Main)
A
Is normal video output
of the Tuner?
(Check TU200_Pin14)
Is normal the I2C communication ?
(Check Pin5, Pin4)
Is normal the Input voltage ?
(Check L308)
Is normal the Input voltage ?
(Check Pin8, Pin6)
Is normal video
output
of CXA2069Q?
(Check R324, In case of S-Video
check R324, R328)
Is the Tuner Cable
connected well?
Change the TunerCheck the powerCable inserts well.
Is normal the
I2C communication ?
(Check R309, R310)
Change the IC(IC300)
Check the power
( Check L1004)
Change the IC(IC700)
Is the LVDS Cable
connected well?
Cable inserts well
NO NO NO
YE S
NO YE S YES
YE S YE S
YE S
NO
NO NO
NO