AOC n941S/plus - Page 37

Service Manual AOCn941Splus
37
No Backlight of panel
Check flow chart for the
Inverter No Backlight
After Power off,check
C811/C804？Q805/Q806?
Check ON/OFFsignal
Check volta
g
e of C804-14V？
Open J812, voltage-14V
Return check Power
Check main board
After Power off,check
ZD802/ZD803/R804/C825
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 pin12/13/14/15
Check /Replace
C817-C819-C820-C821
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?