Pioneer SC-LX85 - Basic Items for Service; Check Points after Servicing

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3. BASIC ITEMS FOR SERVICE
3.1 CHECK POINTS AFTER SERVICING
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Block noise Distortion
Horizontal noise Noise
Flicker Volume too low
Disturbed image (video jumpiness) Volume too high
Too dark Volume fluctuating
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Mottled color
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Confirm whether the customer complain has been solved.
If the customer complain occurs with the particular source,
such as Dolby Digital, DTS, AAC, DVD-A and HDMI, input it for
the operation check.
The customer complain must not be reappeared.
Video, Audio and operations must be normal.
Check the analog audio playback.
(Make the analog connections with a DVD player.)
Each channel audio and operations must be normal.
Check the digital audio playback.
(Make the digital connections with a DVD player.)
Each channel audio and operations must be nor
mal.
Check surround playback.
(Select Surround mode and check the multichannel operations
via the DSP circuit.)
Each channel audio and operations must be normal.
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Check the video outputs
.
(Connect with a DVD player.)
Video and operations must be normal.
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Chec
k the
appearance of the product. No scratches or dirt on its appearance after receiving it for
service.
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.
Cleaning
Before shipping out the product, be sure to clean the following positions by using the prescribed cleaning tools.
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Refer to “9.4 CHASSIS SECTION”.Cleaning paper 00-DEGsnaF 8