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VSX-1128-K
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3. BASIC ITEMS FOR SERVICE
3.1 CHECK POINTS AFTER SERVICING
3.2 JIGS LIST
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.
No.
Item to be checked regarding video
Item to be checked regarding audio
Procedures
Check points
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.
The customer complain must not be reappeared.
Video, Audio and operations must be normal.
2
Check the analog audio playback.
(Make the analog connections with a DVD player.)
Each channel audio and operations must be normal.
3
Check the digital audio playback.
(Make the digital connections with a DVD player.)
Each channel audio and operations must be normal.
4
Check surround playback.
(Select Surround mode and check the multichannel operations
via the DSP circuit.)
Each channel audio and operations must be normal.
5
Check the video outputs.
(Connect with a DVD player.)
Video and operations must be normal.
6
Check the tuner (AM and FM) operations.
Audio and operations must be normal.
7
Check the sound from headphone output.
Sound must be normal, without noise.
8
Check the appearance of the product.
Block noise
Distortion
Horizontal noise
Noise
Flicker
Volume too low
Disturbed image (video jumpiness)
Volume too high
Too dark
Volume fluctuating
Too bright
Sound interrupted
Mottled color
No scratches or dirt on its appearance after receiving it for
service.
Jigs List
Jig Name
Part No.
Remarks
13P extension jig cable
GGD1740
Diagnosis (AMP7 Assy
↔
AUDIO Assy)
3P extension jig cable
GGD1741
Diagnosis (AMP7 Assy
↔
CPU Assy)
Diagnosis (D-MAIN Assy
↔
CPU Assy)
Board to board extension jig cable
GGD1799
Diagnosis (D-MAIN Assy
↔
CPU Assy)
Board to board extension jig cable
GGD1848
Diagnosis (D-MAIN Assy
↔
BRI-1 Assy)
Conversion jig
G GGD1802
Diagnosis (FRONT
↔
D-MAIN Assy)
HDMI cable
(Marketing product)
Lubricants and Glues List
Name
Part No.
Remarks
Silicon grease
GEM1057
Refer to "9.2 EXTERIOR SECTION".
Silicon adhesive
GYA1011
(KE40RTV-W)
Refer to "9.2 EXTERIOR SECTION".