HP LT3200 - Manual (Page 87)

82 HP High-Definition LCD TV Service Manual
TV/Video/S-video Input
No picture on the
screen
Check if the
Source is working
Check
connect
Check cable
Replace the main
board
Check signal
source
Reconnect
Replace cable
NO
YES
YES
NO
YES
NO
Check tuner
& audio
board
Replace tuner &
audio board
YES
NO