Acer X193HQ - Troubleshooting and Maintenance; Troubleshooting; No Power & LED Off

- 45 -
4. Power no work troubleshooting
Does IP Board 5V /12V
Output normally?
Check IF board
Check IC601
whether the Vcc and
output normally?
Check Q601
whether Gate input
normally?
D701/D702
whether output keep
12.5V/5V
normally?
Replace IP board
Is the power cord good?
Replace the power
cord
Check IC601
related signal
Check Q601
related signal
Check D701/D702
input Signal
and open short
No
Yes
Yes
Yes
No
No
No
Yes
Yes
No
Power Board Functions