Main Board Failure Check - Haier LE43K6500TF Service Manual

9-2. Main board failure check

No picture but have
sound
Check if there is +43V at
PEC8
Yes
Check if there is +12V at
Pin35 in CN202
Yes
Change LVDS wire
test if PU6 Pin5（3.3V）、
Pin9
（12V ）
No
No
Replace the QD6
Still having
Change Panel
problems
- 52 -
Model No.:
normally
No
Yes
Check if PQ6 、
No
PD14 、 PR46
works normally
Service Manual
Replace PU6
Replace PQ6 、
PD14