Hyundai HLCD-A20W4 Service Manual page 20

20" LCD TV
2. Can't start (LED indicator yellow)
Can't start
Check keyboard
OK
Check 5V_SB
OK
2
Check I C communication
OK
Check oscillistor
NG
Repair the keyboard
NG
Check every chip power supply
NG
Replace I2C communication component
NG
Replace oscillistor
20
Hyundai HLCD-A20W4