Philips PET724, Руководство по обслуживанию

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5.0 TROUBLESHOOTING & SERVICE TIPS
SYMPTOM: THE DVD DRIVE DOES NOT WORK
start
Check the
optical pick up
lens?
yes
Pick up lens does not light up at all
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.
Replace DVD
drive
Pick up lens light up dim
Check the
connectors of
the DVD drive
and main
board?
OK
Secure the
connection of the
DVD drive and
main board
Not OK
Pick up lens light up OK
Insert a DVD disc
and turn on the
power
What is the
reaction of the
DVD drive?
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
Replace DVD
drive or main
board
DVD drive does not work
The operation of the DVD player stops at initializing display.
Is there any
message
shown on
display
oading?displayed
Nothing on display
Check the DVD
disc for
fingerprints, dirt,
HECK DISK?displayed
Is the DVD
disc OK?
DVD disc OK DVD disc dirty
No defect, return
set to customer
Does the
image output
stop during the
operation?
yes
no