Pioneer VSX-1128-K Service Manual page 42

1
A
[3] D-MAIN Assy
Remove the cabinet by removing the 10 screws.
(1) Remove the five screws.
(BBT30P100FTB)
(2) Remove the nine screws.
(BSZ30P040FTB)
B
(3) Remove the acetate tape
(4) Disconnect the HDMI cable.
(JA9620)
(5) Cut the two binders.
(6) Remove the one screw.
(BBZ30P080FTC)
C
(7) Disconnect the two connectors and four B to B
connectors.
(CN607, CN901, CN1504, CN1801, CN9202,
CN9601)
Note: Some connections of the housing wires or
connectors may be tight. When disconnecting
those wires or connectors, be careful not to
damage them.
D
(8) Connect the three extension jig cables.
(9) Arrange the D-MAIN Assy in the photo below.
(10) Insert any insulation sheet.
(11) Connect the HDMI cable (marketing product)
from the FHDMI Assy if Front HDMI input
needs to be checked.
Note:
Do not connect the HDMI cable provided with the
product to prevent damage to the HDMI connector.
Instead, use the another HDMI cable (marketing
E
product) to prevent a load from being applied to
the HDMI connector.
D-MAIN Assy works normally even though no
connection of HDMI cable. But when checking
Front HDMI input, that HDMI connection is required.
Diagnosis
F
42
1
2
1
3
Acetate tape
CPU Assy
6
11
HDMI cable
(marketing product)
CN901
CN607
CN302
CN303
8
Borad to board extension
jig cable (GGD1848)
VSX-1128-K
2
3
2
×9
1
1
• Rear view
BRI-1 Assy
4
JA9620
5
7
CN607
7
7
CN901
CN9601
CPU Assy
8 Borad to board extension
jig cable (GGD1799)
D-MAIN Assy
CN1504
9
BRI-1 Assy
8
Conversion jig
(GGD1804 + GGD1802)
3
4
Back chassis
1
1
5
7
CN1504 CN1801
CN9202
7 7
D-MAIN Assy
Insulation sheet
10
CN1801
CN2114 CN2110
4