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I have a panasonic stereo sa - ak220 and you turn it on and comes up with F61 and a humming noise through the speakers

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  • Anonymous Apr 01, 2009

    Panasonic SA-AK22 music system will not power up. When power button is pushed it does not come on. The ac in light is is the only thing on when plugged in.

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Remove cover and make sure the fan is ok...not clogged. Also, you could have a bad audio output IC or cold solder joints on the output IC. Use a volt meter to see if voltage is present on the speaker lines. If it is then your output IC is bad.

barneyluc

Posted on Oct 01, 2008

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F61 usually means the amp has detected a short.


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.


Check for loose speaker connections as a root cause for intermittent shutdown.

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F61 is an Error Code,more specifically a Fault in the Power Amp,the Stereo will need to be sent into Panasonic for Repairs.

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HELLO

As far as I can know, F61 means your output IC is dead. Contact a service centre in your locality for repair!

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Hello

F 61 error means the failure of FAN
most probably dust in the fan made it to stop working so clean the dust and connect the fan to an external supply of 12v(using red and black wire) for 5 minutes and reconnect it to the unit otherwise replace the fan with new one.
Surely this will solve the problem.


Kind regards
Andrea

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Humming through speakes when on auxillary


Most humming in North America is either 60Hz or a harmonic of 60Hz. The number one cause of humming is a poor common. On co-axial cables this is the outside connection where as the signal is the male post in the centre. Corrosion, oxidation, poor contact are all possible things to check.

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Hi, i had the same problem with a panasonic player, when you see the code F61 in the screen it is because the audio output IC is defective,change that and the set will work perfectly. hope it work.

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