Read LG 26LE6500 (CHASSIS:LL01A) Service Manual online
1. Power-up boot check
Check Adater power.
JK7500 : 24V
Replace Adapter
Check X1002 clock
32.76 KHz
Replace X1002
Check IC1002 PIN 36(RL_ON).
RL_ON : 3.3V
Replace Micom(IC1002) or Main board
Check Inverter Control & Error Out
P7501 12 pin : High
P7501 14 pin : low
Check Module
Check IC7502/1/6/7/4 Output Voltage
IC7502 : 12V
IC7501 : 1.26V
IC7506 : 3.3V
IC7507 : 5.0V
IC7504 : 1.5V
IC7507 : 5.0V
IC7504 : 1.5V
Replace IC7502/1/6/7/4
Re-download Micom software.
Check Micom Voltage
IC1002 pin 48 : +3.5V_ST
Replace IC7503
Check LVDS Power Voltage
Q7507 : 12V(26”)/ 5V(22”/29”)
Replace Q409
Check Mstar LVDS Output
Replace Mstar(IC101) or Main Board
Change Module
ok
ok
ok
ok
ok
ok
ok
ok
No
No
No
No
No
No
No
No
No
Check X7300 Clock
24 MHz
Replace X7300
ok
No
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