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2-4. Replacement of Board
2-4-1. IF-715 Board
2-4. Replacement of Board
This section explains the method of board replacement.
It is not necessary to adjust after replacing the any board.
c
Turn off the power and wait till a heat up device cools when replacing HDDs or its
peripheral parts.
2-4-1. IF-715 Board
n
The method of parts replacement differs accord-
ing to a number of power-cooling-fan.
In the case of two power-cooling-fan
Removal
1. Turn off the power and wait for more than 30
seconds.
2. Remove the upper lid. (Refer to Section 1-6.)
3. Disconnect all harnesses on the IF-715 board.
1 Free the six harnesses of fans 1 to 6 from
clampers and remove them.
2 Disconnect the POWER IN harness.
3 Disconnect the 12 harnesses which are
connected to the HDD units.
Free these harnesses from clampers.
4 Disconnect the harness which is connect-
ed to the FP-104 board.
5 When the board No. suffix of the IF-715
board is -12 and higher, disconnect the
two harnesses of power-cooling-fan.
4. When the board No. suffix of the IF-715
board is -11, disconnect the harness (4P)
from the connector on the CN-1753 board.
2-26 (E)
4Harness to
FP-104 board
IF-715 board
3Clampers
5Harnesses of power-cooling-fan
3Harnesses to HDD units
2POWER IN harness
1Harnesses of fans
Harness (4P)
1Clampers
CN-1753 board
BKNW-116
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