Repair Flow Chart
8
0
220V3 LCD
4.
Power no output troubleshooting
No
No
Yes
Yes
Yes
Yes
No
No
Yes
No
Yes
Check IC602 whether the C pin and
output normally
Check the IC602 related signal
Check D711 whether the output keep +17V.
The power cord is good.
Replace the power board
Replace the power cord
Detach power board from the monitor and
if the +17V of the power board output
normally
If the +17V of power board output normally
Check the D711, input signal and
open-short
Change interface board
Check connector whether .it is tilted
5. Inverter & LED driver no work troubleshooting
No
Yes
No
Yes
Check PIN 6 of CN701 whether the
voltage is +3.3V
Check PIN 7&8 of CN701 whether the
voltage is +5V
Check the interface and power
board
Check the power board
Replace the power board
Summary of Contents for 220V3AB/00
Page 6: ...6 220V3 LCD Troubleshooting ...
Page 7: ...220V3 LCD 7 Troubleshooting ...
Page 18: ......
Page 19: ...18 220V3 LCD FAQs Frequently Asked Questions ...
Page 20: ...220V3 LCD 19 FAQs Frequently Asked Questions ...
Page 39: ...38 220V3 LCD Wiring Diagram ...
Page 40: ...220V3 LCD 39 Block Diagram ...
Page 44: ...220V3 LCD 43 S calar Diagram C B A ...
Page 47: ...220V3 LCD 46 Power Diagram C B A 220V3A 220V3 ...
Page 49: ...Control Diagram C B A 48 220V3 LCD ...
Page 75: ...Exp lode d View 74 220V3 LCD ...