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2-2. Disconnecting/ Connecting Flexible Card Wire
2-3. Notes on Switching Regulator
2-4. Fuse Replacement
2-2. Disconnecting/ Connecting Flexible
Card Wire
The four flexible card wires are used between the AT-100
board and CN-125A/125B boards.Be careful not to bend
these wires. This shortens the wire life.
Disconnecting
1. Turn off the power of the unit.
2. Slide portion A in the direction of the arrow and discon-
nect the flexible card wire.
Connecting
n
• Be careful not to insert the flexible card wire obliquely.
• Check that the conductive surface of the flexible card
wire is not soiled with dust.
1. Slide portion A in the direction of the arrow and insert
the flexible card wire as far as it will go into connector
with the conductive surface of the wire put down.
2. Slide portion A in the opposite direction of the arrow
and lock each connector.
A
Conductive
surface
2-2
2-3. Notes on Switching Regulator
1. Since the unit has a switching regulator, beware of
electric shock the primary side.
2. If the power supply unit is operated under no load
conditions, the power unit will be broken-down.Never
check the power supply unit independently.
2-4. Fuse Replacement
2-4-1. Fuse on AT-100 Board
The AT-100 board has the fuse which shuts off the power.
If any fault occorrs or flows the rush current in the unit, the
fuse will be burnt-out.
Remove the top panel and replace the fuse on the AT-100
board. (Refer to "2-1. Removal of Cabinet".)
When replacing the fuse, remedy the cause of troulbe.
n
• The fuse should be replaced after the power switch is
turned off and the plug of the power cord is pulled out.
• The fuse should be replaced with specified parts de-
scribed on Section 3 Spare Parts.
CNU-500
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