11
XV-DV575
5
6
7
8
5
6
7
8
A
B
C
D
E
F
3. BASIC ITEMS FOR SERVICE
3.1 CHECK POINTS AFTER SERVICING
Check points after servicing (HTZ and system audio)
Cleaning
To keep the product quality after servicing, confirm recommended check points shown below.
See the table below for the items to be checked regarding video and audio:
Item to be checked regarding video
Item to be checked regarding audio
Block noise
Distortion
Horizontal noise
Noise
Dot noise
Volume too low
Disturbed image (video jumpiness)
Volume too high
Too dark
Volume fluctuating
Too bright
Sound interrupted
Mottled color
No.
Procedures
Check points
1
Confirm the firmware version on Service Mode.
The version of the firmware must be latest.
Update firmware to the latest one, if it is not the latest.
2
Confirm whether the customer complain has been solved. If the
customer complain occurs with the specific disc, use it for the
operation check.
The customer complain must not be reappeared.
Video, audio and operations must be normal.
3
Confirm playback error rates at the innermost and outermost
tracks by using the following disc.
DVD test disc (GGV1025)
The error rates must be less than 5.0e-4.
4
Play back a CD. (track search)
Audio and operations must be normal.
5
Play back a DVD.
(Menu operation, Title/chapter search)
Video, audio and operations must be normal.
6
Check the tuner (AM and FM) operations.
Audio and operations must be normal.
7
Check the sound from headphone output.
Sound must be normal, without noise.
8
Check the appearance of the product.
No scratches or dirt on its appearance after receiving it for service.
Before shipping out the product, be sure to clean the following positions by using the prescribed cleaning tools:
Position to be cleaned
Cleaning tools
Pickup lens
Cleaning liquid : GEM1004
Cleaning paper : GED-008
Содержание XV-DV575
Страница 18: ...18 XV DV575 1 2 3 4 A B C D E F 1 2 3 4 4 3 DVD LOADER DECODER BLOCK DIAGRAM ...
Страница 70: ...70 XV DV575 1 2 3 4 A B C D E F 1 2 3 4 10 11 POWER SUPPLY UNIT AC IN F CN1 ...
Страница 71: ...71 XV DV575 5 6 7 8 5 6 7 8 A B C D E F CN3201 B 4 5 CN1001 B 1 5 F F POWER SUPPLY UNIT XWR3018 CN2 CN3 ...
Страница 85: ...85 XV DV575 5 6 7 8 5 6 7 8 A B C D E F SIDE B SIDE B POWER SUPPLY UNIT F F CN3 ...