Pioneer VSX-LX50, Руководство по обслуживанию

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VSX-LX50
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3. BASIC ITEMS FOR SERVICE
3.1 CHECK POINTS AFTER SERVICING
To keep the product q uality a f ter servicing, con f irm recommended check points sho w n belo w .
N o .
P rocedure C heck points
1
Con f irm w hether the customer complain has
been solved. If the customer complain occurs
w ith the particular source, such as D olby
D igital, D TS, AAC, DVD -A and H D M I , input it
f or 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 w ith a DVD
player. )
E ach channel audio and operations must be normal.
3
Check the digital audio playback.
( Make the digital connections w ith a DVD
player. )
E ach channel audio and operations must be normal.
4
Check surround playback.
( Select Surround mode and check the
multichannel operations via the D SP circuit. )
E ach channel audio and operations must be normal.
5
Check the video outputs.
( Connect w ith a DVD player. )
V ideo and operations must be normal.
6
Check the sound f rom headphone output. Sound must be normal, w ithout noise.
7
Check the appearance o f the product. N o scratches or dirt on its appearance a f ter receiving
it f or service.
See the table belo w f or the items to be checked regarding video and audio :
I tems to be checked regarding video I tem to be checked regarding audio
Block noise D istortion
Hori z ontal noise N oise
D ot noise V olume too lo w
D isturbed image ( video jumpiness ) V olume too high
Too dark V olume f luctuating
Too bright Sound interrupted
Mottled color