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APPENDIX-1 Trouble Shooting
1-2-2. No Display
4 Times Blinking pr
no backlight
Check Voltage
NG
between TP1
&TP4 with
working backlight
NG
OK
Check backlight
connection &
LCM light bar
OK
Close
KDL-32W6100/KDL-43W6600/KDL-32W6103/KDL-43W6603 (IN5)
Replace
OK
U1 LED
Driver IC
Replace
NG
light bar or
Replace MB
light bar
cable
5 Times Blinking
Or no display w/
backlight
Check
NG
12V_TCON
at TP210
on the MB
OK
Replace
NG
LVDS
Cable
OK
Close
6 Times Blinking
Replace
NG
U1 LED
Driver IC
OK
Close
Replace
OK
U203 On
MB board
NG
Replace MB
Replace MB
74
SYS SET
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