Tatung V23CLTT, Service Manual

Page: 21 / 63

20
(2) Picture abnormal
No
Replace V901
(LCD panel)
Yes
No
End
Yes
Yes
Yes
No
Change Inverter
and check picture
No
No
No
Yes
Yes
Yes
No
Yes
Change main
board (PWB-0610),
and check picture.
Change Power
Module, and check
picture
No
After welding,
then check the
picture.
Are the cables
attached
firmly at the
LCD Panel
Connect the
cables firmly
with the at
interface
Clean
EEPROM, and
then check the
picture is
否
Check side SMD of
I019&I020 is welded
correctly?
The Ver. Or Hor.
Sync. does not
hold
in any source