Sony BKNW-116 Maintenance Manual page 47

5. Unscrew the two screws and remove the fan
shield plate.
6. Unscrew the three screws.
n
Pay attention to avoid catching on the harness.
Installation
. . . . . When installing the IF-715 board of
suffix -11.
Install in the reverse order of removal. However,
for connection of harnesses of fans 1 to 6, refer to
installation procedure 8 in "2-3. Replacement of
Power Supply Unit" and connect it properly.
. . . . . When installing the IF-715 board of
suffix -12 and higher
1. Short the shorting land SL1 on the IF-715
board (A side) with solder.
2. Place the IF-715 board on the SW cover with
paying attention to avoid catching on the
harness.
3. Fix the IF-715 board with three screws.
4. Attach the fan shield plate with two screws
and fix the IF-715 board and fan bracket.
5. Connect the harnesses which were discon-
nected in removal step.
However, for connecting the harnesses of
fans 1 to 6, refer to installation procedure 8 in
"2-3. Replacement of Power Supply Unit"
and connect it properly.
6. Disconnect the harnesses from CN1 and CN3
on the CN-1753 board, connect them to
CN101 and CN102 on the IF-715 board.
7. Attach the upper lid (Refer to Section 1-6).
BKNW-116
PWH3 x 5
PWH3 x 5
PWH3 x 5
PWH3 x 5
2-4-1. IF-715 Board
PWH3 x 5
Fan shield plate
PWH3 x 5
IF-715 board
IF-715 board
SL1
PWH3 x 5
Fan shield plate
PWH3 x 5
Harnesses
IF-715 board
CN-1753 board
CN1
CN3
CN101
CN102
2-27 (E)