34
VSX-523-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
[3] D-MAIN Assy
[3-1] Disassembly
[3-2] Diagnosis of D-MAIN Assy and MAIN Assy
Remove the cabinet by removing the 10 screws.
(1) Remove the one screw.
(BBT30P100FTB)
(2) Remove the five screws.
(BSZ30P040FTB)
(3) Remove the two screws.
(BBZ30P0
8
0FTC)
(4) Disconnect the three B to B connectors and
one
connector.
(C
N
201, 204, 2003, CP200
8
)
(5) Remove the D-MAI
N
Assy.
Back chassis
2
1
×
5
• Rear view
OPTCO Assy
D-MAI
N
Assy
D-MAI
N
Assy
CO
N
CT Assy
CPU Assy
CPU Assy
3
3
5
4
4
4
4
C
N
201
C
N
201
C
N
201
C
N
109
C
N
203A
C
N
204
C
N
204
CP200
8
C
N
2003
C
N
2003
(1) Connect the three extension jig cables.
(2) Arrange the D-MAI
N
Assy in the photo below.
(3) Insert any insulation sheet.
Insulation sheet
3
1
Borad to board extension
jig cable (GGD1
8
47)
2
1
Borad to board extension
jig cable (GGD1
8
4
8
)
1
Borad to board extension
jig cable (GGD1
8
46)
Diagnosis
jomi
