• Service Manuals |
  • Lg |
  • TV |
  • 19LV2500-UG (CHASSIS:LA01R)

19LV2500-UG (CHASSIS:LA01R) - LG TV Service Manual (repair manual). Page 36

Read LG 19LV2500-UG (CHASSIS:LA01R) Service Manual online

Trouble shooting guide
1. Power-up boot check
Check X201 clock
24 MHz
Replace X201
Replace Q7506
Check Mstar LVDS Output
Replace Mstar(IC101) or Main Board
ok
ok
ok
ok
ok
ok
No
No
No
No
ok
Check Adater power.
JK7500 : 24V 
Replace Adapter
No
Check Standby Voltage
C7538 : +3.5V_ST
Replace IC7503
Check R7505(RL_ON).
RL_ON : 3.3V
Replace Mstar(IC101) or Main Board
Re-download software.
No
No
Check IC7502/7, IC403/7 Output Voltage
IC7502 : 12V
IC7507 : 5.0V
IC403 : 1.1V
IC407 : 1.5V
Q403 : 3.3V
No
Replace IC7502/7, IC403/7, Q403
Check LVDS Power Voltage
Q7506 : 5V(22”/19”)
Check Inverter Control
P10001
Change LED driver IC(IC10000)
Change Module
ok
No
Page of 46
Display

Click on the first or last page to see other 19LV2500-UG (CHASSIS:LA01R) service manuals if exist.

Random: