5-7 Model 2400 Service Manual
Disassembly
2400-902-01 (G - Feb 2006)
Removing power components
The following procedures for removing the power supply and/or power module require that the
case cover and analog board be removed, as previously explained.
Power supply removal
Perform the following steps to remove the power supply:
1. Remove the analog board.
2. Unplug the two cables coming from the digital board.
3. Remove the four screws that secure the power supply to the bottom of the chassis.
4. Remove the power supply from the chassis.
Power module removal
Perform the following steps to remove the rear panel power module:
1. Remove the analog board.
2. Unplug the cable connecting the power module to the digital board.
3. Disconnect the power module's ground wire. This green and yellow wire connects to a
threaded stud on the chassis with a kep nut.
4. Squeeze the latches on either side of the power module while pushing the module from
the access hole.
WARNING To avoid electrical shock, which could result in injury or death, the
ground wire of the power module must be connected to chassis ground.
When installing the power module, be sure to reconnect the green and yel
-
low ground wire to the threaded stud on the chassis.
Instrument reassembly
Reassemble the instrument by reversing the previous disassembly procedures. Make sure that
all parts are properly seated and secured and that all connections are properly made. To ensure
proper operation, replace and securely fasten the shield.
WARNING To ensure continued protection against electrical shock, verify that power
line ground (green and yellow wire attached to the power module) is con
-
nected to the chassis. Also make certain that the two bottom case screws
are properly installed to secure and ground the case cover to the chassis.
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