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No. 2D730-148E*O
CAUTION:
When replacing the AC/DC tray of the SSA-770A, check the revision number of the AC/DC
tray supplied for replacement
and follow the appropriate
procedure according to the
revision number.
1.
When the new AC/DC tray is BSM31-2013E
(no revision)
The AC/DC tray is not compatible and must not be used to replace the existing tray.
2.
If AC/DC tray BSM31-2013E-G
or BSM31-2013E-I
is supplied
(1)
Wind the cables around the core as described below.
(a)
(b)
Wind the FAN/RELAY signal cables (two lines) between the AC/DC tray and
transformer
tray ONE time around the core (TWO turns).
*
When the cable is passed through the core the first time it is counted as
one turn. Therefore, winding of the cable one time corresponds to TWO
turns.
Wind the LED signal cable (which is connected to the top of the AC/DC tray)
between the AC/DC tray and the transformer
tray ONE time around the core
(TWO turns).
*
When the cable is passed through the core the first time it is counted as
one turn. Therefore, winding of the cable one time corresponds to TWO
turns.
(2)
The metal sheet for EMC compliance should not be installed.
%
%
0
0
0
0
1) (b) Core for the LED signal cable
Wind the cable ONE time around
the core (TWO turns).
(1) (a) Core for the FAN/RELAY
signal cable
Wind the cable ONE time around
the core (TWO turns).
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