AOC L32DK99FU Service Manual page 29

3. No display
Yes
Check the LVDS cable
Yes
Panel Vcc =12V?
Yes
Replace the Panel
No display (LED green)
Check TV is under control and power on/off
by remote control and power key?
Yes
Check the backlight is "On"?
No
Reinsert or replace the
LVDS cable
No
Replace the main board
29
No
Replace the main board
No
Check the B/L signal
is available?
Yes
Replace main board
Power board output＝24V?
Yes
Replace the power board
Replace the Panel
No
No