AOC 931SW series - No Backlight of panel

Service Manual AOC 931SW+
31
No Backlight of panel
Check flow chart for the
Inverter No Backlight
After Power off,check
C816/C804/Q805/Q80
6
Check ON/OFFsignal
Check volta
g
e of J810-14V？
Open J810, voltage-14V
Return check Power
Check main board
After Power off,check
ZD802/ZD803/R804
Check IC801-3pin CT waveform?
Check aroud component
Re
p
lace IC801
Check IC801-out6/8/9/10pin?
Check Q802 waveform?
Check T801 out voltage?
Check feedback circuit
Check /Replace
C817-C819-C820-C8
21-C822
Check around component
Replace device
OK
NG
OK
OK
OK
OK
OK
OK
OK
NG
NG
NG
NG
NG
NG
NG
Check IC801 -11pin=5V
pinRT waveform?