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2)In case of abnormal display on the screen in specific mode Symptom
1)The screen does not display the picture from specific input mode (RF,DTV, AV, Component, RGB, HDMI).
Check the followings
In case of abnormal display on the screen when RF mode.
right reserved. |
- 19 -
No
Is the tuner OK?
Yes
Block A
Is the RF cable
connected with TV set?
No
Connect the RF cable.
Yes
Is the input voltage and CVBS output
for the tuner OK?
No
Replace the tuner.
Is IC100(FLI106X0H) OK?
No |
| No |
| |
Is the IIC communication waveform | Replace IC100(FLI106X0H) | |||
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| between the tuner and IC100 OK? |
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In the case of abnormal display on the screen when USB mode.
Is USB 5V Power OK?
Yes
Is USD DP/DM waveform OK?
No
No
Replace IC902
LGE Internal Use Only
Same as Block A
