Testing The Central Module Power Supply - North Star DIMENSION Service Manual

TROUBLESHOOTING
Testing the Central Module Power Supply
Power Supply The DIMENSION central module power supply produces the
Voltages following DC voltages:
* +5.OVDC @ > 8.5 amps and < 48.0 amps
* +12.OVDC @ > 2. 2 amps and < 11.0 amps
* -12.OVDC @ > 0.0 amps and < 1.0 amps
If you need to check these three voltages , read this entire
section and refer to the following procedure.
Power Supply This is the test procedure for testing a Ulveco power supply
Testing using a resistance load box. No power supply parts other
than the parts mentioned in the troubleshooting chart should
be replaced.
Equipment
The following equipment is necessary for testing the power
Needed supply.
* Resistance load box (See diagram on page 2-62)
* Digital voltmeter
Procedure: Testing the Power Supply
1.
Check to insure that J42 and J48 have shorting plugs attached.
,- 2. Plug the load box cable into the power supply at connectors J45, J44,
E8 and E6.
DIMENSION Service Manual 2-57