Philips PET706 Service Manual page 12

5.0 TROUBLESHOOTING & SERVICE TIPS
SYMPTOM: THE DVD DRIVE DOES NOT WORK
start
Pick up lens light up OK
DVD drive does not work
Replace DVD
The operation of the DVD player stops at initializing display.
drive or main
board
oading?displayed
Nothing on display
yes
Press the DISC cover switch at the center
of the DVD player and turn on the power.
Then check whether or not the optical pick-
up lens of the DVD drive lights. CAUTION:
Visible laser radiation when open and
interlock defeated. Do not stare into Laser
beam.
yes
Check the
optical pick up
lens?
Pick up lens does not light up at all
Check the
connectors of
the DVD drive
and main
board?
Not OK
Secure the
connection of the
DVD drive and
main board
Insert a DVD disc
and turn on the
power
What is the
reaction of the
DVD drive?
Is there any
message
shown on
display
Does the
image output
stop during the
operation?
Pick up lens light up dim
OK
The DVD drive works but the initializing operation of the optical pick-up lens
does not start (the optical pick-up lens operates twice), or abnormal noise
sound
Check the DVD
disc for
HECK DISK?displayed
fingerprints, dirt,
DVD disc OK
no
Replace DVD
drive
No defect, return
set to customer
Is the DVD
DVD disc dirty
disc OK?