Basic Items For Service; Check Points After Servicing - Pioneer CX-3250 Service Manual

5

3. BASIC ITEMS FOR SERVICE

3.1 CHECK POINTS AFTER SERVICING

To keep the product quality after servicing, please confirm following check points.
No. Procedures
1 Confirm whether the customer complain has
been solved.
If the customer complain occurs with the
specific media, use it for the operation
check.
2 DVD Measure playback error rates at the
innermost and outermost tracks by using the
test mode with the following disc.
DVD test disc (GGV1025)
3 DVD Play back a DVD.
(Menu operation; Title/chapter search)
4 CD Play back a CD.
(Track search)
5 FM/AM tuner Check FM/AM tuner action.
(Seek, Preset)
Switch band to check both FM and AM.
6 GPS positioning Connect GPS antenna to the product, and
check whether the current location is correct.
7 Gyro action On "3D Calibration Status", check whether
the gyro sensor works well by moving the
front face of the product from left to right and
up and down.
8 Map display Check functions of map scale change and
Touch-panel map scroll.
operation
Remote-control
operation
9 Delete data added during the operating
check.
Check whether no media (CD etc.) is inside
the product.
10 Appearance check
See the table below for the items to be checked regarding video and audio:
Item to be checked regarding video
Block-noise
Horizontal noise
Dot noise
Disturbed image (video jumpiness)
Too dark
Too bright
Mottled color
5
6
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.
Current location must be correct.
Display and operations must be normal.
Gyro-sensing, display and operations must
be normal.
Display and operations must be normal.
Make sure to delete data added during the
operating check.
The media used for the operating check
must be ejected.
No scratches or dirt on its appearance after
receiving it for service.
Item to be checked regarding audio
Distortion
Noise
Volume too low
Volume too high
Volume fluctuating
Sound interrupted
AVIC-X930BT/XNUC
6
7
7
8
A
B
C
D
E
F
23
8