MAINTENANCE
3-14
Service Manual
Check # 3
All Power Supplies
Start
Measure resistance between the power supply
chassis and the conductors on the plug of the power
cord. Do not use the ground conductor on the plug as a
measuring point.
Meter indicates
an open ?
To
page 3-15
Check # 4
There is an internal short in the power supply.
Visually and with a meter, inspect the unit for
pinched, broken, and loose wires and wires with
damaged insulation contacting the chassis. Also
check for loose hardware such as screws, nuts and
bolts.
No
Problem found
and repaired ?
Yes
Continue checking out unit until
problem is found. Then repeat
check.
No
Yes
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