Pioneer SC-99 Service Manual page 56

1
[3-2] Diagnosis
(1) Temporarily attach the IR Cover 85 (MTL) to
the Rear Panel, using the three screws.
A
(ABA1011)
IR Cover 85 (MTL)
B
(2) Connect the two connectors and then attach
the PRE BRIDGE_M ASSY.
(3) Connect the two connectors and then attach
the FRONT BRIDGE ASSY.
(4) Connect the two 24P board to board
extension jig cables. (GGD1871)
C
(IR INTERFACE_M CN3801 <-> IR BUFFER_M
CN6802)
(IR INTERFACE_M CN3802 <-> IR BUFFER_M
CN6803)
D
(5) Attach the PRIMARY ASSY, using the two
screws. (ABA1011)
E
F
56
1
2
1
1
24P board to board extension
jig cable (GGD1871)
4
x 2
FRONT BRIDGE ASSY
Front
SC-99
2
3
Rear Panel
IR BUFFER_M ASSY
PRE BRIDGE_M ASSY
CN6803
CN6802
x 2
3
IR INTERFACE_M ASSY
CN3802 CN3801
D AMP ASSY
3
4
1
2
x 2
Rear Panel
5
5
PRIMARY ASSY
Chassis /68
4