Acer V193W - Page 57

- 57 -
5 Power Board no work troubleshooting:
No Backlight
V-inverter ok? No
Check
D703/D704
OK?
No
Yes
Replace D703/D704No
Check F601,
Q601, R615 OK?
Yes
Replace F601,
Q601, R615.
No
Reaplce IC601
Yes
+5V ok?
Yes
Check CN701 pin2
(BL-ON) is Hi?
Yes
Check CN701 pin1
(BRT-ADJ) exist?
Yes
Check I/F BD
Yes
Replace IC801 No
Yes
Replace Q808,
Q810, T801, T802.
No
Check Panel
Yes
No
No
Check
D701/D702
OK?
Replace D701/D702
No
Check Q808, Q810,
T801, T802 OK?
Check IC801
OK?