Sony CCU-D50 Service Manual page 26

1-15-7. PR-270/270A Board 4,
1. Pull out the front frame assembly. (Refer to steps 1 to
6 of Section 1-15-2.)
2. Lift up the four lead pins on the PR-270/270A board to
unfasten of the harnesses as shown in the figure.
3. Lift up the PR board sheet, and disconnect the flexible
card wires from the connectors CN1, CN3 and CNS,
and the harness from the connectors CN2, CN4, CN17
and CN18 on the PR-270/270A board,
Be careful not to bend the flexible card wires.
This shortens the wire life.
PR board sheet
Lead pins
PR-270/270A board
Ccu-D50/D50P SMV1E
1-15. Removing and Reinstalling the Boards
Remove the eleven screws and two fixing screws.
Remove the PR-270/270A board in the arrow direction
while lifting up the PR board sheet.
PR-270/270A board
5. Reinstall the board in the reverse order of removal.
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