8
VSX-1022-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
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
RS-232C update jig (Jig + 10P FFC)
GGF1642
(Marketing product)
MAI
N
microcomputer firmware update
(RS-232C
↔
Rear panel)
RS-232C cable (9-pin to 9-pin, straight cable)
9P extension jig cable
GGD1739
Diagnosis (AMP5 Assy
↔
AUDIO Assy)
13P extension jig cable
GGD1740
Diagnosis (AMP7 Assy
↔
AUDIO Assy)
3P extension jig cable
GGD1741
Diagnosis (AMP7 Assy
↔
MAI
N
Assy)
Diagnosis (D-MAI
N
Assy
↔
CPU Assy)
Board to board extension jig cable
GGD1770
Diagnosis (D-MAI
N
Assy
↔
CPU Assy)
Board to board extension jig cable
GGD1
8
00
Diagnosis (FRO
N
T Assy
↔
CPU Assy)
25P extension jig FFC
GGD1
8
01
Diagnosis (D-MAI
N
Assy
↔
BRG-A Assy)
Board to board extension jig cable
GGD1756
Lubricants and Glues List
Name
Part No.
Remarks
Silicon grease
GEM1057
Refer to "9.2 EXTERIOR SECTIO
N
".
Silicon adhesive
GYA1011
(KE40RT
V
-
W
)
Refer to "9.2 EXTERIOR SECTIO
N
".
Summary of Contents for VSX-1022-K
Page 11: ...11 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 15: ...15 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F S HP ASSY C MAIN ASSY B AMP7 ASSY P F USB ASSY ...
Page 17: ...17 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F S HP ASSY C MAIN ASSY Y B AMP5 ASSY P F USB ASSY ...
Page 23: ...23 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 25: ...25 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F IC9204 DM860A UPD78F1167AGF ...
Page 26: ...26 VSX 1022 K 1 2 3 4 A B C D E F 1 2 3 4 4 8 CPU BLOCK DIAGRAM E CPU ASSY ...
Page 27: ...27 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 28: ...28 VSX 1022 K 1 2 3 4 A B C D E F 1 2 3 4 4 9 VIDEO BLOCK DIAGRAM F VIDEO ASSY ...
Page 29: ...29 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 31: ...31 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 71: ...71 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 129: ...129 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 139: ...139 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F C SIDE B CN3 CN2 CN1 CP3 CP1 ...