Troubleshoot of Picture Problem
3
<LCD Panel Test Mode>
:
When abnormal picture is displayed, troubleshoot by the test pattern in LCD module.
If the picture is no problem, A board must be defective.
If the picture is also abnormal, LCD panel module must be defective.
How to enter :
While pressing "volume(-)" button of the TV unit,
press "option" button of the remote control 3 times within 2 seconds.
How to exit :
Disconnect AC plug
A
IC8001
(RTK2644)
Resize
IP conv.
LCD Panel
LCD Panel Module
T-CON
Test
Pattern
#) The test pattern is created by the circuit
in LCD Panel Module(T-CON board).
No
Yes
Is the picture of all
Input Source NG ?
Check by LCD
Panel Test Mode
Check the input circuit / IC8001
NG
LCD Panel
IC 8001
OK