Hitachi PDV-701S, Руководство по обслуживанию

Страница: 19 / 36

19
SYMPTOM: THE DVD DRIVE DOES NOT WORK
start
Chec 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
Loading?displayed
Nothing on display
Chec the DVD
disc for
fingerprints, dirt.
CHECK 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
SYMPTOM: NO IMAGE OR SOUND COMES OUT FROM THE EXTERNAL OUTPUT
replace DVD drive
start
Check
operation of
the DVD drive.
Does the DVD
drive work?
yes
no
Replace the main
board or the
connector