Replacing The Ci-20 And Ci-21 Boards - Sony Digital Betacam DVW-707 Maintenance Manual

3-1-4. Replacing the CI-20 and CI-21
Boards
Removal
1. Open the inside panel.
2. Remove the two precision screws (P 2.6x5),
and then disconnect and pull the 40-pin
bracket assembly out from the MB-811
board.
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Taking care not to damage the flexile card
wire, remove the 40-pin bracket assembly.
3. Disconnect the flexible card wire from the
connector of the 40-pin fitting assembly.
4. Remove the three screws (M 2x4) to remove
the CI-21 board from the bracket.
5. Loosen the precision screw (with a drop-safe
washer, P 2.6x5) to remove the connector
cover assembly.
6. Remove the three screws (P 2x4.5) to
remove the spacer.
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1
40-pin fitting assembly (CN2)
MB-811
board
M 2x4
Connector cover assembly
Precision P 2.6x5
(with a drop-safe)
3-1. Replacing Boards
Precision P 2.6x5
Flexible card
wire
Precision
P 2.6x5
40-pin bracket assembly
Bracket
CI-21 board
P 2x4.5
Spacer
3-5