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transformer repair

geoffhartwell - 2010-01-28 11:17

can a transformer be repaired, if so, how is it done

reli - 2010-01-28 18:47

Just curious, what is it doing wrong?

geoffhartwell - 2010-01-29 07:59

it just dont power of the main, battery is fine, did the normal checks, and its got to be the transformer

roddyradiohier - 2010-01-29 13:43

For what unit mate?

reli - 2010-01-29 13:56

Maybe that is what's wrong with my Universum Super Sound 16000, it works & sounds great, but sometimes it gets quieter & quieter and then shuts itself off.

transwave5000 - 2010-01-29 20:03

Check the the power battery plug switch thing.
The switch can go bad.

geoffhartwell - 2010-01-30 01:38

quote:
Originally posted by roddy@RADIOHIER:
For what unit mate?


its for a sharp gf 575

geoffhartwell - 2010-01-30 01:39

quote:
Originally posted by transwave5000:
Check the the power battery plug switch thing.
The switch can go bad.


what does that look like, sorry for being thick Laugh Out Loud

eddy - 2010-01-30 02:49

It's the connector on the boombox where the power cord (230 V ) goes. In this connector is a switch that disconnects the batteries when a power cord is put in it.The switch might need some cleaning.
Try to measure the primary circuit of the transformer with an Ohmmeter if you think the transformer is bad. I don't think the transformer will be bad though
Check the fuse in the boombox too

geoffhartwell - 2010-01-30 05:55

well i did some testing on dc and tracked all the way back to the transformer and there is nothing going through the transformer

roddyradiohier - 2010-02-01 11:49

Do a resistance test on the tranny. Messure the primary winding & the secondary. Is it a multi voltage unit?

reli - 2010-02-05 13:43

quote:
Originally posted by Eddy:
It's the connector on the boombox where the power cord (230 V ) goes. In this connector is a switch that disconnects the batteries when a power cord is put in it.The switch might need some cleaning.

Still can't find the switch. The power cord plug simply has a few wires hooked up to it.

muto - 2010-02-06 09:02

quote:
Originally posted by geoffhartwell:
well i did some testing on dc and tracked all the way back to the transformer and there is nothing going through the transformer


Remember to use AC setting when checking voltage from transformer. It's DC after rectification.