Hitachi 32LD4550U Service Manual page 66

32"LCD TV Hitachi 32LD4550U
3. No display (LED indicator green)
No display
NG
Check the source
Reset source
OK
NG
Replace LVDS cable
Check LVDS cable
OK
NG
Return to "1"
Check 12V power supply
OK
Check main board power
OK
NG
Check U404
Replace U404
OK
NG
2
2
Repair I C communication relative circuit
Check I C communication
OK
NG
Replace panel
Check panel
65