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Procedure
1.
Remove the DR-683 board and radiation plate integrated block.
(1) Remove the JS BU harness retaining sheet.
(2) Disconnect the two flexible wiring boards from the connectors (CN900 and CN903) on the DR-683 board.
(3) Disconnect the four flexible wiring boards from the four connectors on the sub base assembly.
(4) Remove the BU thread guard 2.
(5) Remove the four screws (PSW2 x 6).
(6) Remove the six special head screws (M2.6), then remove the DR-683 board and radiation plate integrated
block.
Note
Do not separate the DR-683 board and radiation plate.
DR-683 board and
radiation plate integrated block
CN903
DR-683
board
Flexible wiring boards
Flexible wiring board
ODS-D280U/ODS-D280F
PSW2 x 6
Special head
screw M2
Special head
screw M2
Connectors
JS BU harness retaining sheet
Flexible wiring boards
PSW2 x 6
BU thread guard 2
CN900
Connectors
Flexible wiring board
4-66
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