Pioneer SC-99 Service Manual page 54

1
Note: When diagnosing, it is not necessary to
connect Fan Cable (FAN CONNECT
ASSY: CN5931).
A
Notes on assembling
∗21: PCB binder tilt in the direction of the blue
arrow.
∗22: This cable doesn't touch the jumper wires
and screw.
B
(13) Connect the Rear Panel to the Chassis /68
Ground and GND point of the D AMP ASSY.
(Refer to the "Ground Points" for the GND
point of the D AMP ASSY.)
C
D
[3] D AMP ASSY
Remove the Rear Section.
(Refer to the "[2] Rear Section")
Remove the 24P board to board extension jig
cable (GGD1871) and the PRE BRIDGE_M ASSY.
(Refer to the step (5) and (4) of "[2-2]
Diagnosis".)
-----------------------------------------------------------------
[3-1] Remove the IR Cover 85 (MTL)
E
(1) Cut the Binder.
(2) Remove the Acetate Tape.
(3) Remove the two screws. (ABA1011)
(4) Remove the PRIMARY ASSY.
Note on assembling
∗23: After cable is bounded, pull the extra length
to the direction of the blue arrow.
F
54
1
2
FAN CONNECT ASSY
Front
D AMP ASSY
Acetate Tape
PRIMARY ASSY
Front
SC-99
2
3
∗21
∗22
CN5931
∗23
1
2
3
4
Rear Panel
13
Chassis /68
3
3
4
4