Board Replacement - Sony GY-2120WD Maintenance Manual

1-8. Boards Replacement
1-8-3. MS-54 Board Replacement
1. Turn off the power and remove the power cord.
2. Put the unit on its side down, remove the four screws
(PWH3 x 6), then remove the bottom plate. (Refer to
section 1-1-1.)
3. Remove the two screws (PWH3 x 6), then remove the
frame(R).
PWH3 x 6
PWH3 x 6
PWH3 x 6
Bottom plate
PWH3 x 6
4. Remove the two screws (B3 x 5) and four screws
(PWH3 x 6) and pull out the MA-83 board.
At that time, slide the MA-83 board toward the front
panel, then take out it in the direction indicated by the
arrow.
PWH3 x 6
PWH3 x 6
PWH3 x 6
PWH3 x 6
MA-83 board
1-26
PWH3 x 6
PWH3 x 6
Frame (R)
B3 x 5
B3 x 5
5. Remove the connector (CN1) on the MA-83 board.
Remove the three screws (PWH3 x 6) .
PWH3 x 6
PWH3 x 6
PWH3 x 6
MA-83 board
6. Disconnect the five connectors (CN1, CN2, CN4 and
CN5), and remove the DR-327 board.
CN1
DR-327 board
CN5
CN2
CN4
DR-327 board
CN1
GY-2120WD/WS