HP (Hewlett-Packard) LT4700 Flat Panel Television User Manual


 
HP High-Definition LCD TV Service Manual 81
YPbPr Input
No picture on the
screen
Check the
Source; is it
working?
Check
connect
Check wires
(green, blue,
red)
Replace the main
board
Check the Source
device
Reconnect
Replace wires
NO
YES
YES
NO
YES
NO