Basic Items For Service; Check Points After Servicing; Jigs List - Pioneer VSX-5231 Service Manual

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3. BASIC ITEMS FOR SERVICE

3.1 CHECK POINTS AFTER SERVICING

A Items to be checked after servicing
To keep the product quality after servicing, confirm recommended check points shown below.
No.
1 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.
2 Check the analog audio playback.
(Make the analog connections with a DVD player.)
3 Check the digital audio playback.
(Make the digital connections with a DVD player.)
B
4 Check surround playback.
(Select Surround mode and check the multichannel operations
via the DSP circuit.)
5 Check the video outputs.
(Connect with a DVD player.)
6 Check the tuner (AM and FM) operations.
7 Check the sound from headphone output.
8 Check the appearance of the product.
C
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
Mottled color
D

3.2 JIGS LIST

Jigs List
Jig Name
RS-232C update jig (Jig + 10P FFC)
RS-232C cable (9-pin to 9-pin, straight cable)
RS-232C update jig
E
USB cable (USB A-Type ↔ USB B-Type)
Board to board extension jig cable
Board to board extension jig cable
Board to board extension jig cable
Lubricants and Glues List
Name
F
Silicon grease
Silicon adhesive
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Procedures
Part No.
GGF1642
(Marketing product)
GGF1646
(Marketing product)
GGD1846
GGD1847
GGD1848
Part No.
GEM1057
GYA1011
(KE40RTV-W)
VSX-523-K
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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.
Audio 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
Distortion
Noise
Volume too low
Volume too high
Volume fluctuating
Sound interrupted
MAIN microcomputer firmware update
(RS-232C ↔ Rear panel)
HDMI & CEC (SUB) microcomputer firmware update
(USB ↔ Rear panel)
Diagnosis (D-MAIN Assy ↔ CPU Assy)
Diagnosis (D-MAIN Assy ↔ CPU Assy)
Diagnosis (D-MAIN Assy ↔ CONCT Assy)
Remarks
Refer to "9.2 EXTERIOR SECTION".
Refer to "9.2 EXTERIOR SECTION".
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Remarks
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