Pioneer SC-LX85 Service Manual page 61

1
Note :
(1) Even if the unit shown in the photos and illustrations in this manual may differ from your product, the
procedures described here are common.
A
(2) For performing the diagnosis shown below, the following jigs for service is required.
• 39P FFC (GGD1681)
• 15P FFC (GGD1680)
• 30P + 30P board to board extension jig cable (GGD1682)
• 28P + 14P board to board extension jig cable (GGD1763)
• 23P + 23P board to board extension jig cable (GGD1761)
• 20P + 20P board to board extension jig cable (GGD1677)
• 20P + 14P board to board extension jig cable (GGD1759)
• 15P + 7P board to board extension jig cable (GGD1762)
• 5P PH Housing Assy (GGD1594)
B
(3) Before starting the diagnosis, wait for three minutes until the electricity of the unit is discharged.
Disassembly
[1] Front Section
Remove the Bonnet 85 by removing the 16
screws.
Notes on assembling as to the Bonnet 85
Tighten screw from the location ∗1 on the
C
picture.
-----------------------------------------------------------------
[1-1] Front Section
(1) Release the 15P FCC (ADD7745) from the
two PCB binders.
(2) Disconnect the three connectors.
(3) Release the two cables from the Cord
Clamper /HL.
(4) Remove the fore screws. (BBZ30P060FCC)
D
(5) Remove the 15P FCC (ADD7745) from the
MIC HP GUARD ASSY.
Note: 15P FCC (ADD7745) is affixed with the
double side tape (10 x 110mm).
Notes on assembling
∗1: PCB binder tilt in the direction of the blue
arrow.
∗2: 15P FFC (ADD7745) don't touch cable from
E
Power Transformer.
∗3: Don't touch cables to Diode.
F
52
1
2
Cord Clamper /HL
3
4
2
JA8003
CN8101
Front
FRONT HDMI USB ASSY
USB RECT ASSY
SC-57
2
3
∗1
∗2
15P FCC
MIC HP GUARD ASSY
5
2
4
4
CN3472
∗2
2
∗3
Diode
Front
3
4
∗1
1
1
4
∗1
MIC HP ASSY
4