Power: Tv Does Not Turn On - HP PL4260N Service Manual

Power: TV Does Not Turn On

TV won't power on
Is the LED indi-
cator light on?
YES
Blue Always
purple
YES
OSD avai-
lable?
NO
YES
Replace main
board
NO
Replace the
panel
NO
Red
Check the signal
Source
YES
Replace the
main board
OK
HP High-Definition Plasma TV Service Manual PL4260N, PL5060N
Check the
power source
NO
Check the
power cord
Try to power on with
the remote control
and power button
NO
Neither works
Replace the
main board
Power on
again
NO
Replace PSU
YES
Make sure the
power source is
live
YES
Replace the
power cord
NO
Only one
Check/
works
replace failed
one
Both
work
YES
OK
43