Question about Panasonic SA-HE100 Receiver

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Dead SA-HE 100

Lightning struck, taking out the receiver, the com adapter in the pc and a phone transformer. I've found 5 fuses on the p/s board, all check ok. I see no sign of a breaker anywhere. No obvious damage or odor. Any ideas?

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  • tinroof Feb 14, 2008

    I'm a retired NCR field tech, familiar with schematics and component level troubleshooting, whatever that's worth. A schematic would be most helpful. Anyway, there's no life in the unit. No fan, power cord ok, components show no sign of heat damage, no voltage at transformer. Male AC receptacle (where power cord plugs in)in back of cabinet is a small black box, possibly a fuse(?) Where can I get a schematic?
    Thanks

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Most likely if all fuses are good and everything checks out, the something is blown on the circuit board.
In the future it would be best to use a GFCI outlet and a protective power strip, because a power strip for lightning strikes is not fast enough, but the GFCI outlet is and the combination will save sensitive electronics.
I would recommend finding a service man on the website to fix it.

Posted on Feb 13, 2008

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Hi due to it being lightnig strike their could be that much wrong with it that you might never find the problem.
If you are going to try and repair it then your going to need a multimeter and also get hold of the schematics so you can follow them and for any part numbers you might need.
The chances are its going to be several blown resistors because the lightning strike causing power surge so i would start looking around the board where the power lead goes into the board this would be a good place to start testing

Posted on Feb 13, 2008

  • paul proctor Feb 13, 2008

    You will need to check any resistors and but the problem could be that it has took out most of the board and you could end up replacing most of the circuitry parts you will need to go through more or less everything but the schematics will help you as following this would give you good idea what it might blow and in what order you can usually get these online in pdf format but getting this would also give you a list of all the part numbers that you might need

  • paul proctor Feb 15, 2008

    So you have checked power is going through power cord this would rule out the plug socket not working if then you have no power to transformer then it must be between the power cord and the transformer the only component you will have between these to point is a fuse it should have on try using a search engine like ask.com
    and type in
    Schematics for then give make and model
    You should find a few sites that have the schematics in pdf format to download if you have trouble locating one let me know and i can look for you ok speak soon

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