Read LG 32LG500H (CHASSIS:LA66A) Service Manual online
- 20 -
Does minute discharge
At Module?
Is the LVDS
cable normal?
Is the IC1111 output
normal?
Check the LCD Module
Yes
No
YES
Yes
Reconnect the LVDS
cable in P600.
No
Is the IC506 (FLI8662)
Output normal?
Replace the main
board
No
Yes
Is the LED change when
Push remote-control?
Replace the IR board
No
NO
Replace the
Power board.
Is output the normality
Low/High voltage except
stand-by 5V?
NO
2. No Raster
(1) Symptom
1) No OSD and image occur at screen.
2) It maintains the condition where the front LED is Blue
2) It maintains the condition where the front LED is Blue
(2) Procedure check
3. In case of occurring strange screen into specific mode
(1) Symptom
The screen does not become the display from specific input mode.
(RF, AV, Component, RGB, DVI).
(2) Check following
- Check the all input mode should become normality display.
- Check the Video(Main)/Data(Sub), Video(Main)/Video(Sub) should become normality display from the PIP mode or DW mode.
- Check the Video(Main)/Data(Sub), Video(Main)/Video(Sub) should become normality display from the PIP mode or DW mode.
(Re-Check it Swap)
(3) In case of becomes unusual display from RF mode
Is normal the Tuner?
Is normal the
FIL8662?
Check the tuner cable.
* Isn’t cable has broken?
* Is the cable connected
well from MPI card to tuner?
* Isn’t cable has broken?
* Is the cable connected
well from MPI card to tuner?
Cable inserts well.
Yes
No
No
Replace Tuner
No
Is normal the Input voltage, IIC
Communication and CVBS output?
Communication and CVBS output?
Yes
Is normal the Input voltage, IIC
Communication and HV sync?
Communication and HV sync?
No
Replace IC or Main Board
No
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