"aarpay via ElectronicsKB.com" u36611@uwe wrote in message
news:76af827026e1d@uwe...
Thanks for your reply:
I figured the frame was reference, but just wanted to make sure. Pin 14 is
NOT reading +28V. In fact, it has no voltage. Does this mean I need to
replace the FP549? If so, how much resistance (in ohms) does the FP549
have?


First you should locate FP549, and check the voltage ( with respect to
ground ) on either side of it. If there is +28v on one side, and nothing on
the other, then it is open circuit, and will need to be replaced.
Officially, it is a 500mA fuse, but is actually shown on the schematic as a
fusible resistor. It is quite common for such wire-ended circuit protectors
or 'fuses' to actually be special low value resistors which are designed to
go rapidly open circuit once their nominal power rating is exceeded. I would
expect this one to be around 1 ohm at 0.5watt - but a fusible type, not a
standard resistor. If you can obtain an official wire-ended 500mA circuit
protector, then fit that. If not, the fusible resistor. If you're lucky,
there will be no other damage. But make the checks first, before proceeding
to replacing it.

BTW, it is common convention to bottom post on newsgroups ( without wishing
to start another furious debate on the subject |:-\ ) as it makes the
thread a lot easier to follow

Arfa