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Level 3 Repair
8-3-1-2 LCD WORKING
Power Switch On
LCD Backlight
On?
Yes
C616(VLCD_3.
0V) = 3.0V?
C615(VLCD_1.
8V) = 1.8V?
Yes
F600, F601, F
602, F603, F6
04, F605 Corr
ectly mounted?
Yes
Replace UCP300
LCD FPCB
NO
connector is
correctly conn
Replace LCD
NO
NO
F600, F601, F602,
F603, F604, F605
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
NO
ecting?
Yes
C618
NO
LED+_23V=
23V?
Yes
Check U401
Replace
8-6
correctly connect
U601
NO
6pin >
"1.8V"?
Yes
Replace U601
Check UCP300
(open, short, etc)
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