Pioneer SC-71 Service Manual page 50

1
[2-2] Diagnosis
(1) Arrange the units as shown in the photo.
(2) Insert the two Insulation Sheets.
A
(3) Connect the Rear Panel and GND point of
the VIDEO_SS ASSY to the Chassis /71
Ground.
(Refer to the "Ground Points")
Note: Allocate the units not to apply stress to
31P FFC (ADD7786).
B
(4) Connect the 4P PH Housing ASSY extension
C
jig cable. (GGD1809)
(B-DIODE_SS CN7502 <-> AUDIO_SS PF04PG-S20)
(5) Connect the 15P FFC extension jig cable.
(GGD1680)
(V-REG_SS CN7905 <-> AUDIO_SS CN2503)
(6) Connect the 16P FFC extension jig cable.
(GGD1854)
(IR BUFFER_SS CN6801 <-> AUDIO_SS CN3052)
D
(7) Connect the 27P board to board extension jig
cable. (GGD1799)
(DIGITAL MAIN_L CN901 <-> 232C_SS CN8203)
(8) Connect the 29P board to board extension jig
cable. (GGD1856)
(DIGITAL MAIN_L CN603 <-> V-REG_SS CN7906)
(9) 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
E
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 iPod iPhone iPad LED blinks, which
causes a shutdown, if the power is turned
on without the cable connected.
F
50
1
2
Rear Panel
31P FFC
Insulation Sheet
VIDEO_SS ASSY
Front
V-REG_SS ASSY
15P FFC extension
jig cable (GGD1680)
extension jig cable (GGD1809)
Front
27P board to board extension
jig cable (GGD1799)
29P board to board extension
jig cable (GGD1856)
2
3
AUDIO_SS ASSY
2
2
232C_SS ASSY
CN2503
5
5
4
CN7905
CN7502
4P PH Housing ASSY
DIGITAL MAIN_L ASSY
CN901
CN603
7
8
CN8203
7
SC-71
3
4
3
1
Chassis /71
D-AMP_SS ASSY
3
AUDIO_SS ASSY
PF04PG-S20
6
CN3052
B-DIODE_SS ASSY
6
CN6801
IR BUFFER_SS ASSY
16P FFC extension jig
cable (GGD1854)
V-REG_SS ASSY
9
HDMI Cable
8
JA9620
CN7906
232C_SS ASSY
4