Sony DVS-7200A Maintenance Manual page 37

14. KY-320, 321, 367 or 411 Board (BKDS-7025/7026)
(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-263 board. (Refer to "6. CPU-263 Board" in this section.)
(4) Disconnect the nine connectors (CN1 through CN5, CN9 through CN11 and CN13).
(5) Remove the eight screws and the KY-320, 321, 367 or 411 board.
CN2
PSW3 x 8
PSW3 x 8
(6) Install the KY-320, 321, 367 or 411 board in the reverse order of the procedures (1) through (5).
n
When replacing the KY-320, 321, 367 or 411 board, be sure to select the switch S1.
(For selection details, refer to the section 5-1-5 in the installation manual.)
DVS-7200AE MMP1
PSW
3 x 8
CN13
PSW3 x 8
CN3
CN4
CN1
PSW3 x 8
KY-320 board
PSW3 x 8
1-2. Control Panel
1-2-5. Installation and Removal of Boards
CN11
CN5
CN10
CN9
1-29