Pioneer SC-99 Service Manual page 61

5
(4) Connect the connector.
(5) Connect the 23P board to board extension
jig cable. (GGD1875)
(DIGITAL MAIN CN901 <-> COMPONENT CN8301)
(6) Connect the 29P board to board extension jig
cable. (GGD1856)
(DIGITAL MAIN CN603 <-> CONNECT_M CN7952)
(7) Connect the 5P board to board extension jig
cable. (GGD1857)
(DIGITAL MAIN CN602 <-> CONNECT_M CN7951)
(8) Connect the another normal HDMI Cable
from the FRONT HDMI USB ASSY.
Note: Don't connect the HDMI Cable (ADX7732)
provided with the product to prevent
damage to the HDMI connector. Instead,
use the another normal HDMI Cable to
prevent a load from being applied to the
HDMI connector.
Always connect the HDMI Cable because
the Wireless LED blinks, which causes a
shutdown, if the power is turned on without
the cable connected.
(9) Connect the 24P board to board extension jig
cable (GGD1871) to the D-AUDIO BRIDGE ASSY.
(10)Connect the 28P board to board extension
jig cable (GGD1867) and the 20P board to
board extension jig cable (GGD1868) to
the A-DAC BRIDGE ASSY.
(11) Attach the A-DAC BRIDGE ASSY to the
AUDIO ASSY.
(12) Attach the D-AUDIO BRIDGE ASSY to the
AUDIO ASSY.
(13) Connect the 24P board to board extension jig
cable (GGD1871) to the DIGITAL MAIN ASSY.
(D-AUDIO BRIDGE CN3771 <-> DIGITAL MAIN CN1502)
(14)Arrange the DAC HIGH ASSY as shown in
the photo.
(15)Insert the Insulation Sheet.
(16) Connect the 28P board to board extension
jig cable (GGD1867) and the 20P board to
board extension jig cable (GGD1868) to the
DAC HIGH ASSY.
(A-DAC BRIDGE CN3793 <-> DAC HIGH CN2003)
(A-DAC BRIDGE CN3791 <-> DAC HIGH CN2004)
(17) Connect the 30P + 30P board to board
extension jig cable. (GGD1682)
(DAC HIGH CN2001 <-> DIGITAL MAIN CN9701)
(DAC HIGH CN2002 <-> DIGITAL MAIN CN9702)
(18)Connect the DIGITAL MAIN ASSY and DAC
HIGH ASSY to the Rear Panel Ground.
(Refer to the "Ground points.")
Note
∗31: Ground this bracket (DAC HIGH ASSY) and
Rear Panel surely. (Sound of all channels is
not output if this part is not connected).
5
6
CN901
5
6
CONNECT_M ASSY
Front
5P board to board extension
jig cable (GGD1857)
29P board to board extension
jig cable (GGD1856)
24P board to board
extension jig cable (GGD1871)
20P board to board extension
jig cable (GGD1868)
28P board to board extension
jig cable (GGD1867)
A-DAC BRIDGE ASSY
20P board to board extension
jig cable (GGD1868)
28P board to board
extension jig cable
(GGD1867)
16
17
CN2003
CN2001
CN2002
Front
DAC HIGH ASSY
14
15
Insulation Sheet
30P + 30P board to board
extension jig cable (GGD1682)
SC-99
6
7
DIGITAL MAIN ASSY
CN603
CN601
CN602
JA9620
4
7
8
7
6
CN7951
CN7952
CN8301
COMPONENT ASSY
23P board to board extension
jig cable (GGD1875)
9
10
CN3791
11
CN3793 D-AUDIO BRIDGE ASSY
24P board to board
extension jig cable (GGD1871)
Rear Panel
CN2004
18
∗31
13
17
CN1502
CN9701
CN9702
DIGITAL MAIN ASSY
USB DAC ASSY
7
8
A
39P FFC
HDMI Cable
B
5
CN3771
C
12
D
18
E
F
61
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