LG GS290 - Page 79

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4. TROUBLE SHOOTING
GS290 Operational Description Revision B
LG Electronics 81/136 LGE Property
STAR
T
Check TP1 is
2.62V?
Check
PMIC(U202)
Assemble
Check
R402,R406,R413,R41
6,R421,R422 &
LD400~LD405
Replace U202
Yes
No
No
Check All of LEDs solder
Replace main board
Yes
TP1