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SYMPTOM: NO PICTURE/LED IS BLUE ABNORMAL
No Picture / LED is blue
Check if backlight is normal
Yes
Check if connector
of CON3 is normal
Yes
Yes
Replace LCD panel
SYMPTOM: NO TV PICTURE ABNORMAL
No TV Picture
Check if voltage
of U38 pin17 is 5V
Yes
Replace U38 HF
* Refer to DC voltages page
** Refer to Waveforms page
No
Check if voltage of power
PCB CON5 is normal*
Yes
Replace LCD panel
No
No
No
No
Check the power and
control signal of CON1
in main PCB is normal**
Replace CON3
Replace Main PCB
Replace Main PCB
38
No
Replace Main PCB
Yes
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