Pioneer SC-71 Service Manual page 54

1
(11) Remove the nine screws. (BMZ30P040FTB)
(12) Remove the five screws. (BBZ30P080FTB)
A
[3-2] Diagnosis
B
(1) Arrange the units as shown in the photo.
Note: Allocate the units not to apply stress to
31P FFC (ADD7786).
(2) Insert the Insulation Sheet.
(3) Connect the GND point of the DIGITAL
MAIN_L ASSY to the Rear Panel Ground.
(Refer to the "Ground Points".)
C
Note: If CN8023 of 232C_SS ASSY is loosened,
attach it surely.
232C_SS ASSY
D
DIGITAL MAIN_L ASSY
Front
(4) Connect the two pair board to board extension
jig cable. (GGD1807)
(AUDIO_SS CN5501 <-> DIGITAL MAIN_L CN1801)
(AUDIO_SS CN5502 <-> DIGITAL MAIN_L CN1503)
E
(5) Connect the 23P board to board extension jig
cable. (GGD1805)
(AUDIO_SS CN2861 <-> DIGITAL MAIN_L CN1502)
F
54
1
2
: 11
Insulation Sheet
31P FFC
CN8203
DIGITAL MAIN_L ASSY
23P board to board extension
jig cable (GGD1805)
Front
SC-71
2
3
x 9
1
2
CN1801
CN1503
5
CN1502
5
CN2861
3
4
: 12
x 5
Rear Panel
3
DIGITAL MAIN_L ASSY
Rear Panel
23P + 13P board to board
extension jig cable (GGD1807)
4
4
CN5501
CN5502
AUDIO_SS ASSY
4