9
XW-NAC3-K
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
Item to be checked regarding video
Item to be checked regarding audio
Disturbed image
Distortion
Too dark
N
oise
Too bright
V
olume too low
Mottled color
V
olume too high
V
olume fluctuating
Sound interrupted
No.
Procedures
Check points
1
2
3
4
5
6
Confirm whether the customer complain has been solved.
The customer complain must not be reappeared.
Audio and operations must be normal.
Check the iPod a and b playback.
V
ideo and sound must be normal, without noise.
Playback operations must be controlled with the remote control
unit of the main unit.
Check the Bluetooth audio playback.
Sound and operations must be normal, without noise.
Check the AUX (AUX input) playback.
Sound and operations must be normal, without noise.
Check the appearance of the product.
N
o scratches or dirt on its appearance after receiving it for
service.
Check the Internet radio,
N
etwork audio and USB playback.
Sound and operations must be normal, without noise.
Items to be checked after servicing
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.
Note:
For confirmation of Items
N
o. 2 to
N
o. 5 after disassembling and repairing a product, play back music louder than usual,
in order to check that
V
OCAL audio and bass reproduction are normal.
(These are for final confirmation that antivibration parts for the cabinet have properly assembled.)
www. xiaoyu163. com
QQ 376315150
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TEL 13942296513
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
