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I have a Panasonic SA-PM147 compact stereo system. It is faulting as follows: After turning on the cd player or radio, the unit soon turns itself off. The louder the volume, the sooner it turns off, and just before switching itself off it comes up with a message saying F61, which I assume means fault 61. This unit has had little use since I bought it and has never been played particularly loud. It is not often used because it is in or holiday home which we don't use much. What is the problem? and how difficult and expensive is ot to fix the problem? I actually own two of these stereos. I bought one for home and one for my holiday home as stated. Kind regards Steve steve.hope@innovationz.co.nz

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5 Suggested Answers

SOURCE: I have a panasonic SA.AK640

El IC amplificador de audio esta dañado .

Posted on Apr 04, 2008


robotek
  • 1512 Answers

SOURCE: Panasonic stereo SA-PM28 displays fault

Hi dearnley1

The error code your unit is presenting relates to either a speaker cabling fault or a fault speaker. Sometimes, it is neither, and may be a fault inside the unit. Needless to say the unit is in protection moe to prevent more damage occurring. Check you speaker wiring for any short circuits or frayed wires. If all appears to be ok, disconnect the wires from the unit and see if it turns on and stays on then. If it still presents f61 with speakers and cable disconnected, then I am afraid that you may need to take the unit to a Kenwood service center near to you for an inspection . Good luck

regards
Graeme

Posted on Apr 06, 2008

SOURCE: f61 code coming up on

You gotta change the audio amplifier IC because maybe are on short circuit

Posted on Oct 02, 2008

  • 4 Answers

SOURCE: much loved old J.V.C. unit

try turning it upside down and pluging in and out while turning it on.

Posted on Dec 19, 2008

dunnbiker
  • 8546 Answers

SOURCE: i have a panasonic dvd

Did the fan replacement follow the onset of an F61, too? Or did the F61 come on after the 'repair'? If theformer, I'd ask the techto take another swing at it; if the latter, I'd ask the tech what he did to wake up the new problem.


Generally speaking, an amp protects itself from heat, shorts and overloads by refusing to turn on or stay on.


Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Posted on Feb 19, 2011

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Hi dearnley1

The error code your unit is presenting relates to either a speaker cabling fault or a fault speaker. Sometimes, it is neither, and may be a fault inside the unit. Needless to say the unit is in protection moe to prevent more damage occurring. Check you speaker wiring for any short circuits or frayed wires. If all appears to be ok, disconnect the wires from the unit and see if it turns on and stays on then. If it still presents f61 with speakers and cable disconnected, then I am afraid that you may need to take the unit to a Kenwood service center near to you for an inspection . Good luck

regards
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