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3-2
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1
3-1. Replacing Boards
MB-810 Board
1. Open the inside panel.
2. Disconnect the three flexible card wires from
the connectors (CN121, CN122, and CN123)
on the TC-101 board.
3. Pull the plug-in boards (DCP board assembly
and DVP board assembly) out.
(Refer to the Maintenance Manual Part 1,
Section 1-9.)
4. Remove the outside panel.
5. Remove the CCD unit. (Refer to Section
“3-2-1. Replacing the CCD unit”.)
6. Pull the SV-210 board out.
7. Disconnect the harness from the connector
(CN55) on the MB-811 board.
8. Remove the precision screw, and then
remove the board guide (R2) and the DC fan.
9. Disconnect the harnesses from the connector
(CN60) on the MB-810 board and from the
connector (CN33 and CN40) on the MB-811
board.
10. Untie the harnesses from the clamp of the
board guide (F), and then remove the two
precision screws to remove the board guide
(F).
11. Disconnect the harness from the connector
(CN101) on the PS-533 board.
12. Remove the two precision screws to remove
the board guide (R1).
13. Remove the precision screw to remove the
board guide (R3).
3-1-2. Replacing the MB-810 and MB-811 Boards
MB-811 board
PS-533 board
CN40
CN33
CN60
Board guide (F)
Board guide (R3)
MB-810
board
Board
guide
(R1)
Board guide (R2)
DC fan
CN101
CN55
Precision
P 2.6x5
Precision
P 2.6x5
Precision
P 2.6x5
Precision
P 2.6x5