Board - Sony BVW-55 Maintenance Manual

1-1. Board Extension
1-1-2. RP-107 Board
Required Tool
Extension harness (SR66-EQ3):
Extension harness (DR1):
Extension harness (DR2):
Extension
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Be sure to turn off the power when removing and installing the board. To turn off the power, be sure to
disconnect the cable connected at the DC IN connector or the battery, in addition to turning off the power
switch.
1. Remove the RP-107 board.
(1) Remove the upper frame. (For the removal, refer to "1-6. Removal/Installation of Cabinet" of the
maintenance manual Part1.)
(2) Loosen the three screws (APWH2.6 x 5) and remove the RP shield plate.
(3) Disconnect the harness from CN102 on the RP-107 board.
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This harness is fixed to the DM-121 board using the clamp. It is not necessary to disconnect the
harness from CN102 when the harness has removed from the clamp.
(4) Unscrew the two screws (BPWH2.6 x 5).
(5) Lift the RP-107 board together with the acoustic isolation plate approx.1 cm and disconnect the
RP-107 board from the connectors on the mother board.
(6) Disconnect the harnesses from the seven connectors on the RP-107 board.
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It is recommended to disconnect in the order presented by 1 to 7 in the figure.
(7) Lift the RP-107 board together with acoustic isolation plate and remove them.
(8) Unscrew the two screws and remove the RP-107 board from the acoustic isolation plate.
2. Remove the harnesses from the three connectors (a, b, c) on the drum assembly using a thin
stick with a no sharp point.
CPWH2.6 x 5
RP shield plate
Drum assembly
1-2
1-958-196-14
1-959-894-11
1-959-895-11
APWH2.6 x 5
RP-107 board
CN7
CN6
CN102
7
5
4
3
6
BPWH2.6 x 5
Acoustic isolation plate
CN4
CN3
CN2
CN1
CN5
1
2
a
b
c
BPWH2.6 x 5
BVW-55 P2