AOC G2460PQU Service Manual page 51

Service Manual
No Backlight of panel
Check voltage of C804-16V
OK
Check ON/OFFsignal
OK
Check IC801—11pin=5V
OK
Check IC801-3pin waveform?
OK
Check IC801-pin6-8-9-10-PWM?
OK
Check Q805, Q806-Gate/Drain
OK
Check PT801-out waveform
OK
Check the lamps of panel
&connector, feedback circuit
NG
NG
Check main board
NG
NG
Check aroud C809\Q802
NG
NG
NG
Check flow chart for the
Inverter No Backlight
Open C804 voltage-16V
NG
OK
After Power off, check
C804/C811/Q805/Q806
After Power off, check
R802\C806\C809
Replace IC801
replaceIC801
Check ZD802/ZD803
R803/R804
Replace device
Replace PT801
51
G2460PQU
Return check Power