<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
19
Some patterns are
automatically changed.
The patterns are depend
on the LCD panel.
A
IC8000
(
Peaks/MTK
)
Resize
IP conv.
LCD Panel
LCD/OLED 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
(#1)
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…
Ａ
Ａ
Ａ
Ａ
A
Ａ
Color
abnormal
(#1) In case of below model, please copy the data from original to spare part of A board (refer next page)
Glass Bezel Design :TX-65/55FX74#/75#/78#, TH/TC-65/55FX800
OLED model : all FZ series
v. line
h. line
Dot or
mura
many
lines
Summary of Contents for OLED-201806
Page 4: ...1 Board Layout 4 ...
Page 12: ...12 2 Signal Processing 2 1 Signal Flow ...
Page 17: ...17 2 2 Troubleshoot of Picture Problem ...
Page 22: ...22 3 Power Supply 3 1 Power Board Structure ...
Page 50: ...50 3 3 SOS Protection Circuit and Troubleshoot of Power Problem ...
Page 72: ...4 Handling and Rear Cover Disassemble and Assemble 72 ...
Page 78: ...5 Information of OLED model Basically same as last year model EZ series 78 ...
