(No.MB570)1-33
3.3.7 Removing the amplifier board
(See Fig.14)
• Prior to performing the following procedures, remove the am-
plifier assembly, rear panel, power board, relay board and heat
sink.
(1) From the top side of the amplifier assembly, disconnect the
amplifier board from the connectors (CN311
, CN312) on
the main board.
(2) Take out the amplifier board.
Fig.14
3.3.8 Removing the main board
(See Fig.15)
• Prior to performing the following procedures, remove the am-
plifier assembly, rear panel, power board, relay board, heat
sink and amplifier board.
(1) From the top side of the amplifier assembly, remove the
wires from the wire clamps on the main board.
(2) Remove the six screws P attaching the main board to the
amplifier assembly.
(3) Take out the main board.
Reference:
After attaching the main board, bundle the wires by the wire
clamps.
Fig.15
Amp. board
Main board
CN312
CN311
Main board
Wire clamp
Wire clamp
PPP
P
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