Table of Contents
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27" LCD TV
2. Can not start (LED indicator yellow)
Check keyboard
OK
Check 5V_SB
OK
Check 3.3V_SB
OK
Check PWR_ON signal
OK
Check PFC circuit
OK
Check main board
power supply
All manuals and user guides at all-guides.com
NG
Repair the keyboard
NG
Return to "5.1"
NG
Replace U700
Check Q700, Q701, Q702, Q703
NG
Check U300,U501
Check I
Check Panel inverter board
NG
Replace IC901 or Q901
NG
2
C communication
Hyundai HLCD-A27W4
Replace Q700 or Q701 or
NG
Q702 or Q703
Replace U300,U501
NG
Replace panel
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