Service manual

31
PG-A20X
TROUBLE SHOOTING TABLE
YES
YES
NO
Checking the basic
performance
Is the POWER LED on or
flickering in red or green?
Go to "Checking the
power unit"
Go to "Checking the lamp
light-up"
NO
Is the set turned on by the
set’s or remote controller’s
power key?
Go to "Checking the
microcomputer
peripherals".
NO
Go to "Checking the RGB
sync".
Go to "Checking the RGB
signal"
Go to "Checking the
video system".
End
NO
Is the cooling fan
running? Is the lamp on?
Is the user menu
displayed?
YES
YES