Read LG 22LK336C (CHASSIS:LD0EB) Service Manual online
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TROUBLE SHOOTING
Check stand-by Voltage.
C7538 : +3.5 V_ST
Replace IC7503.
Check X201 clock.
24 MHz
Replace X201.
Check 7509(RL_ON).
RL_ON : 3.3 V
Replace Mstar(IC101) or Main board.
Check LED Driver
P10000(LGD), P10001(NONLGD)
P10000, P10001 3 Pin : 24 V
P10000, P10001 4 Pin : 24 V
Replace IC10000.
Check IC402/3/7 Output Voltage.
IC7502 : 12 V
IC7507 : 5.0 V
IC403 : 1.1 V
IC407 : 1.5 V
Q403 : 3.3 V
Replace IC7502/7, IC403/7, Q403.
Re-download software.
Check Adapter power.
JK7500 : 24 V
Replace Adapter.
Check LVDS Power Voltage.
Q7506 : 12 V(26")
Replace Q7506.
Check Mstar LVDS Output.
Replace Mstar(IC101) or Main Board.
Change Module.
ok
ok
ok
ok
ok
ok
ok
No
No
No
No
No
No
No
No
No
ok
1. Power-up boot check
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