Pioneer VSX-1018AH-K, Руководство по обслуживанию

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3. BASIC ITEMS FOR SERVICE
3.1 CHECK POINTS AFTER SERVICING
To keep the product quality after servicing, confirm recommended check points shown below.
No.
Procedure Check points
1
Confirm whether the customer complain has
been solved. If the customer complain occurs
with the particular source, such as Dolby
Digital, DTS, AAC, D
V D-A and HDMI, input it
for the operation check.
The customer complain must not be reappeared.
V ideo, Audio and operations must be normal.
2
Check the analog audio playback.
(Make the analog connections with a D
V D
player.)
Each channel audio and operations must be normal.
3
Check the digital audio playback.
(Make the digital connections with a D
V D
player.)
Each channel audio and operations must be normal.
4
Check surround playback.
(Select Surround mode and check the
multichannel operations via the DSP circuit.) Each channel audio and operations must be normal.
5
Check the video outputs.
(Connect with a D
V D player.)
V ideo and operations must be normal.
6
Check the sound from headphone output. Sound must be normal, without noise.
7
Check the appearance of the product. N o scratches or dirt on its appearance after receiving
it for service.
See the table below for the items to be checked regarding video and audio:
Items to be checked regarding video Item to be checked regarding audio
Block noise Distortion
Horizontal noise N oise
Dot noise V olume too low
Disturbed image (video jumpiness) V olume too high
Too dark V olume fluctuating
Too bright Sound interrupted
Mottled color