Panasonic LCD-201803, Техническое руководство

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<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. Just in
case, confirm the flat cable connection between A board and T-CON board.
How to enter :
While pressing "volume(-)" button of the TV unit,
press “Yellow" button of the remote control 3 times within 2 seconds.
How to exit :
Switch off the TV unit
#)The test pattern is created by the circuit in LCD Panel Module(T-CON board).
Troubleshoot for Picture Problem
17
Some patterns are
automatically changed.
The patterns are depend
on the LCD panel.
A
IC8000
( Peaks/MTK )
Resize
IP conv.
LCD Panel
LCD Panel Module
T-CON
Test
Pattern
Check the “Panel Test
Mode”
Test pattern
OK
Replace LCD Panel module
Test pattern
also NG
Replace A board
Confirm(Clean) the flat
cable connection
(between A board and T-CON
board of LCD Panel)
Flat cable
Abnormal
picture,
Bar/line/dot,
Unevenness,
Noise…