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DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1
3-1. Replacing Boards
14. Disconnect the harnesses from the two
connectors (CN10 and CN50) on the MB-810
board.
15. Remove the connector box assembly. (Refer
to step 1 of Section 3-3-1.)
16. Remove the six screws. And then loosen the
connector connected to the MB-811 board to
remove the MB-810 board.
n
Being careful not to fold the flexible card
wire, remove the card wire from the hole of
the MB-810 board.
17. Reinstall the MB-810 board by reversing the
removing steps.
n
When reinstalling the DC fan, see Section
“3-5-1. Upper DC Fan.”
MB-811 Board
1. Remove the MB-810 board. (Refer to Section
3-1-2.)
2. Disconnect the harness from the connector
(CN51) on the MB-811 board.
3. Remove the two harness retainers.
4. Disconnect the harness from the connector
(CN102) on the PS-533 board.
5. Remove the two screws to remove the PS-
533 board.
6. Remove the 40-pin fitting assembly. (Refer to
Section “3-1-4. Replacing the CI-20 and CI-
21 Boards”.)
7. Remove the lower DC fan. (Refer to Section
“3-5-2. Lower DC Fan”.)
8. Remove the six screws to remove the MB-
811 board.
9. Reinstall the MB-811 board by reversing the
removing steps.
MB-811 board
MB-810 board
MB-810 board
CN10
CN50
hole
Flexible card wire
M 2x4
M 2x4
Harness
retainer
MB-811 board
CN51
M 2x4
M 2x4
M 2x4
PS-533 board
CN102