Hisense PDH4233NEU, Service Manual

Page: 33 / 52

PDP TV Service Manual
Hisense confidential
33
7.Troubleshooting
1.
2.
Abnormal display
3.
Enlarged display
No picture
P.LED
OFF
Check power connections
OSD ?
ok
no
L.Led?
off
Check LVDS
connection
flickering
Check module
driver Board
connections
blue
red
Press [power] on the remote to quit stand-by mode
No problem
OSD?
Check main board connections or
change main board
Check LVDS connection or module
connections
ok
no
Press [zoom]on the remote control to check whether it is
in zoom mode
The TV system has wrongly identified 625-lines system as
525-lines system. Change to another source (such as video,
pc) and change back to TV to correct it