20
"
&22
"
LCD Color Monitor FSC P20W-5&P22W-5
- 39 -
No Backlight
Check the 12V input to F801
NG
OK
Check adapter and F801
Check ON/OFF signal
Check Interface board or main board
NG
OK
Check the U801 PIN12 voltage
NG
OK
Change on/off circuit
Check U801 PIN9/PIN10 PWM wave
NG
OK
Check U801
Check Q805, Q806 Drain wave
NG
Check the output of T801, T802
Replace Q805, Q806
Check connecter & lamp, feedback and protect circuit
OK
NG
Change T801, T802
OK
Summary of Contents for P20W-5
Page 9: ...20 22 LCD Color Monitor FSC P20W 5 P22W 5 9 ...
Page 10: ...20 22 LCD Color Monitor FSC P20W 5 P22W 5 10 ...
Page 12: ...20 22 LCD Color Monitor FSC P20W 5 P22W 5 12 HDMI monitor connections ...
Page 17: ...20 22 LCD Color Monitor FSC P20W 5 P22W 5 17 Optical Characteristics ...
Page 32: ...20 22 LCD Color Monitor FSC P20W 5 P22W 5 32 7 PCB Layout 7 1 Main Board ...
Page 33: ...20 22 LCD Color Monitor FSC P20W 5 P22W 5 33 7 2 Power Board ...
Page 34: ...20 22 LCD Color Monitor FSC P20W 5 P22W 5 34 7 3 Key Board ...
Page 43: ...20 22 LCD Color Monitor FSC P20W 5 P22W 5 43 10 Exploded View ...
Page 44: ...20 22 LCD Color Monitor FSC P20W 5 P22W 5 44 ...