• Service Manuals |
  • Lg |
  • TV |
  • 42LH50YD (CHASSIS:LJ91C)

42LH50YD (CHASSIS:LJ91C) - LG TV Service Manual (repair manual). Page 41

Read LG 42LH50YD (CHASSIS:LJ91C) Service Manual online

2. No OSD Trouble Shooting
Replace Power board
N
Y
Check 12V Voltage Level
at P800 #13 Pin
Check Power connector
Y
Check 12V Voltage Level at L903
N
Replace one of 
Q900/Q901/Q902/L903
& Recheck
Y
Check P903
#16(TXAC-), #17(TXAC+), 
#32(TXBC-), #33(TXBC+)
N
Y
Check LVDS Cable
N
Replace Cable
Y
Check Voltage LCD Module
Check 12V Voltage Level
at L902
N
Replace one of L804/L902
& Recheck
Y
Maybe BCM3556(IC100)
has troubles
Page of 54
Display

Click on the first or last page to see other 42LH50YD (CHASSIS:LJ91C) service manuals if exist.

Random: