Sony DVS-7200A Maintenance Manual page 34

1-2. Control Panel
1-2-5. Installation and Removal of Boards
11. KY-394 Board (BKDS-7015)
(1) Open the panel. (Refer to the section 1-2-1.)
(2) Turn off the power switch in the control panel. (Refer to the section 1-2-2.)
(3) Remove the CPU-246 board. (Refer to "5. CPU-246 Board" in this section.)
(4) Remove the six screws (PS4 x 8) and the EL display panel.
(5) Disconnect the three connectors (CN1 through CN3).
(6) Remove the ten screws (PSW3 x 8) and the retainer plate (EL).
(7) Disconnect the four connectors (CN9 through CN12) and remove the KY-394 board.
PS4 x 8
PS4 x 8
(8) Install the KY-394 board in the reverse order of the procedures (1) through (7).
1-26
EL display panel
KY-394 board
CN3
Retainer plate (EL)
PSW3 x 8
PSW3 x 8
CN1
CN2
CN12
CN11
CN10
CN9
DVS-7200AE MMP1