Hitachi HTD-K210, Service Manual

Page: 9 / 71

9
SYMPTOM: LOAD DISC ABNORMAL (REVISED)
Start
Check the
optical pick-up
lens
Pick-up lens do not light up at all
Replace Loading
Assy
Pick-up lens light up dimly
Check the
connectors of
the Loading Assy
& Decoder
PWB Assy
OK
Secure the
connection of the
Loading Assy &
Decoder PWB Assy
Not OK
Pick-up lens light up OK
Insert a DVD disc
and turn on the
power
What is the
reaction of the
Loading Assy?
The Loading Assy 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 Loading
Assy or Decoder
PWB Assy
Loading Assy does not work
The operation of the loading assy stops at initializing display.
Any message
shown on
screen?
Display OSD "LOADING"
Nothing on display
Chec the DVD
disc for
fingerprints, dirt etc.
Display OSD "CHECK DISK"
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
(To replace Pg 29-39 of SC No. 0015E)