Basic Items For Service; Check Points After Servicing - Pioneer VSX-518-K Service Manual

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3. BASIC ITEMS FOR SERVICE

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3.1 CHECK POINTS AFTER SERVICING

A
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, such as Dolby
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Digital, DTS, AAC, DVD-A and HDMI, input it
for the operation check.
Check the analog audio playback.
(Make the analog connections with a DVD
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player.)
Check the digital audio playback.
B
(Make the digital connections with a DVD
3
player.)
Check surround playback.
(Select Surround mode and check the
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multichannel operations via the DSP circuit.)
Check the video outputs.
(Connect with a DVD player.)
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Check the sound from headphone output.
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Check the appearance of the product.
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C
See the table below for the items to be checked regarding video and audio:
Items to be checked regarding video
Block noise
TE
L 13942296513
Horizontal noise
Dot noise
Disturbed image (video jumpiness)
Too dark
Too bright
Mottled color
D
CLEANING
Before shipping out the product, be sure to clean the following positions by using the prescribed cleaning tools:
Position to be cleaned
E
Fans
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Procedure
Cleaning tools
Cleaning paper : GED-008
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Check points
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.
Sound must be normal, without noise.
No scratches or dirt on its appearance after receiving
it for service.
Item to be checked regarding audio
Q Q
Distortion
3 6 7 1 3
Noise
Volume too low
Volume too high
Volume fluctuating
Sound interrupted
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