Basic Items For Service; Check Points After Servicing - Pioneer VSX-820-K Service Manual

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3. BASIC ITEMS FOR SERVICE

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3.1 CHECK POINTS AFTER SERVICING

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Items to be checked after servicing / VSX, SC
To keep the product quality after servicing, confirm recommended check points shown below.
No.
Confirm whether the customer complain has been solved.
If the customer complain occurs with the particular source,
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such as Dolby Digital, DTS, AAC, DVD-A and HDMI, input it for
the operation check.
Check the analog audio playback.
2
(Make the analog connections with a DVD player.)
B
Check the digital audio playback.
3
(Make the digital connections with a DVD player.)
Check surround playback.
4
(Select Surround mode and check the multichannel operations
via the DSP circuit.)
Check the video outputs.
5
(Connect with a DVD player.)
Check the tuner (AM and FM) operations.
6
Check the sound from headphone output.
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Check the appearance of the product.
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L 13942296513
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See the table below for the items to be checked regarding video and audio.
Item to be checked regarding video
Block noise
Horizontal noise
Flicker
Disturbed image (video jumpiness)
Too dark
Too bright
E
Mottled color
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The customer complain must not be reappeared.
Video, Audio and operations must be normal.
Each channel audio and operations must be normal.
Each channel audio and operations must be normal.
Each channel audio and operations must be normal.
Video and operations must be normal.
Audio and operations must be normal.
Sound must be normal, without noise.
No scratches or dirt on its appearance after receiving it for
service.
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3 6 7 1 3
Item to be checked regarding audio
Distortion
Noise
Volume too low
Volume too high
Volume fluctuating
Sound interrupted
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VSX-820-K
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4
2 9 9 4 2 8
Check points
1 5 0 5 8 2 9 9 4
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9 9
2 8 9 9