Basic Items For Service; Check Points After Servicing - Pioneer DVH-335UB/XNRC Service Manual

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3. BASIC ITEMS FOR SERVICE

3.1 CHECK POINTS AFTER SERVICING

To keep the product quality after servicing, please confirm following check points.
No.
1
2 DVD
3 DVD
4 CD
5 FM/AM tuner
6
7
For check items concerning image and voice, please refer to the followings:
5
6
Procedures
Confirm whether the customer complain has
been solved.
If the customer complain occurs with the
specific media, use it for the operation check.
Measure playback error rates at the
innermost and outermost tracks by using the
test mode with the following disc.
DVD test disc (TDV-582)
Play back a DVD.
(Menu operation; Title/chapter search)
Play back a CD.
(Track search)
Check FM/AM tuner action.
(Seek, Preset)
Switch band to check both FM and AM.
Check whether no disc is inside the product. The media used for the operating check must
Appearance check
Check items concerning image
Block-noise
Crosscut noise
Dot noise
Distorted image (Image skip)
Low brightness
Too bright
Color fading
Partial discoloration
DVH-335UB/XNRC
6
7
Item to be confirmed
The customer complain must not be
reappeared.
Display, video, audio and operations must be
normal.
Deterioration of mecha-drive can be
checked.
The error rate must be less than the
threshold value.
(Refer to the chapter of DIAGNOSIS for the
threshold value.)
Display, video, audio and operations must be
normal.
Display, audio and operations must be
normal.
Display, audio and operations must be
normal.
be ejected.
No scratches or dirt on its appearance after
receiving it for service.
Check items concerning voice
Distortion
Noise
Low volume
High volume
Changes in level
Pause of sound
7
8
A
B
C
D
E
F
15
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