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My cd stereo system won't work model SC-AK640 F61 is displayed, i have checked the speaker cords connection, that is fine. Is the problem with the power supply, if so how can i fix it?

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It's a panasonic ,that legend is for the ICs audio amplifiers damaged.

Posted on Apr 13, 2008

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Hi! I buyed a Stereo Panasonix SA-CH74 Model 14 years ago. It was a great thing. But I noticed a problem with it. After one or two years F61 error begun appearing on display and stereo switched off....


F61 usually means the amp has detected a short or a severe microprocessor error.

Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance 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 'nekkid'. 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 at the speaker as another possible root cause for intermittent shutdown.

Aug 11, 2011 | Audio & Video Receivers

1 Answer

Why my panasonic sterio model sa-ak640 says f16 then turns off


F61 usually means the amp has detected a short or a severe microprocessor error.

Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance 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 at the speaker as another possible root cause for intermittent shutdown.

Jul 03, 2011 | Audio & Video Receivers

3 Answers

Panasonic Dvd stereo system model number SA-VK960 power supply is defective. is it possible to repair?


Your Panasonic SA-VX uses a Switch Mode Power Supply ( SMPS ). Do not ever attempt to fix it yourself unless you are well versed in electronics. ou can damage the system seriously. Seek professional help.

Mar 10, 2011 | Audio & Video Receivers

2 Answers

Hi. I have a panasonic SA-PT860 dvd theatre system. Everytime you turn the on/off button it states that I have an F61 fault. I have looked in the manual and it says to check speaker connections. I have...


- Is your system playing in spite of this error?

Assuming that this is the model complete with "receiver" and speakers+sub and you use these and the original connections. You could try and measure your ohm level on each speaker to control if there is a bad/blown speaker. The Ohm level should be the same on each speaker - roughly.
- Hope this will get you somewhere!

Jan 28, 2011 | Audio & Video Receivers

1 Answer

I HAVE A PANASONIC CD STEREO SYSTEM AND THE DISPLAY SHOW: F61; WHATS THE MEANING???


F61 is an error code.
It will automatically shuts down your unit.
This is very common on your unit.

Try to checked if the fan is working or not.
I have repaired some unit before, this is the caused why f61 appeared.
The symptom is shutting down the unit after a few minute.
If the fan is not working it will shuts off automatically to avoid further damaged to your output I.C. from overheating.

If confirmed that the fan is working then I've suspect that your output I.C. is shorted.
This is quit technical and need to send to repair shop to isolate the faulty parts.
The output IC of your unit is RSN series and quite expensive.

Pls rate my help.

Thaks for using fixya...

Jan 17, 2011 | Audio & Video Receivers

1 Answer

I got a panasonic stereo for my birthday about 3 years ago. I had a party over the summer and we had the stereo sitting outside playing cds. Then all of a sudden the stereo shut off and then everytime i...


Hi,
f61 is a protection code. it means theres is a fault with audio output ic, usually there is dc on one of the speaker output rails, replacing the audio output ic will usually cure this but check speakers and leads for shorts before reconnecting to the unit.


Thank You

Sep 07, 2010 | Audio & Video Receivers

1 Answer

F61 code coming up on Panasonic CD Stereo system SA-AK640


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

Oct 02, 2008 | Audio & Video Receivers

1 Answer

I have a panasonic cd stereo system SA-AK640 that will not operate properly and is showing the error code F61


This is an indication that the output amp pac(s) have a problem. Expect a parts cost in the range of $25-$45. Add in the local labor rate for the full repair cost.
Dan

Apr 16, 2008 | Audio & Video Receivers

1 Answer

Panasonic stereo SA-PM28 displays fault code F61 then switches off


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

Apr 06, 2008 | Audio & Video Receivers

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