Panasonic Home Theater System System Logo
Posted on Mar 27, 2011
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I get and F61 error message on my panasonic surround sound. I reconnected all the speakers and reset the unit but still get the error

  • Nicole Pearce
    Nicole Pearce Nov 25, 2021

    Panasonic sc-ua3 lights up and cuts out , i tried troubleshooting and it comes up f61 any help please

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  • Master 8,546 Answers
  • Posted on Mar 27, 2011
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How does it manage without speakers?

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


Generally speaking, an amp protects 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.

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  • Posted on Jan 17, 2021
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Panasonic sc-ua3 system F61 error was appears at max volume (party mode). I found the service manual on the web and my problem is abnormal voltage output at digital amplifier on left channel. If a abnormal voltage is detected, power supply is changed in standby mode. My case is a audio amplifiers TAS5624A failure. Measured voltage at output IC increase to 10 V for 2 sec only on left channel, after the protection system change back the unit in standby mode (normal protection to avoid speakers failure in this case). Speakers are ok. Now i'm waititing for a new IC, on allied express is around 1 dollar. It is a signal from control unit to power supply 0V means damage and standby, 3V ok in my case. Power supply deliver 32V in normal operation and 14V in standby.
I get and F61 error message on my panasonic - 1_17_2021_4_51_43_pm.jpg

  • Adrian Tulin Feb 22, 2021

    Tas5624A replaced, works fine

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  • Posted on Nov 03, 2018
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I have a panasonic hometheater it always shows f61 error after the use of 30mins to 40mins but it was by solved by the help of this site. Actually its fan was not working and due to overheating it shows the error f61 but now its fine and well working

  • Yoga
    Yoga Jun 17, 2023

    How do you fix the fan?

  • Yoga
    Yoga Jun 17, 2023

    How do you fix the fan?

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  • Posted on Oct 13, 2018
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  • Posted on Oct 07, 2018
Mahilal Narangoda
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I had an experience of F61 of my SA-VK50 because of loosing connector side PCB from Bottom PCB. Just tighted and problem solved. -Mahilal-

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An F61 error occurs on a Panasonic home theater system when the speaker cable wire connections are wrong. This situation is likely to happen if you just purchased your unit or moved the system and try to reconnect the speakers again. Polarity is key in a successful setup. The positive and negative ends of the cable wires must match the input of the main unit. Retrace your speaker wire connections to clear error F61.
Step 1 Attach the speaker labels to the speaker wires for easier identification, if they're not already labeled. At minimum, labels for front left (L), front right (R) and center speakers should be included in the packaging contents that came with your system.
Step 2 Verify that the white ends of each speaker cable are connected to the corresponding "+" positive inputs for each speaker.
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Step 4 Push the plastic ends of the speaker wires on each speaker to verify that each is locked into place.
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Step 9 Connect the remaining ends of the "Surround (R)" and "Surround (L)" speakers to the wireless system.
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F61 IS THE ERROR CODE FOR A FAULT IN THE AMPLIFIER STAGE OF THE UNIT, if the power fan or supply is okay then THE MOST LIKELY CULPRIT IS THE AUDIO OUTPUT IC, WHICH IS A MULTI LEGGED DEVICE SCREWED TO A PIECE OF METAL USED TO COOL IT, IN PANASONICS ITS PREFIX WILL PROBABLY BE "RSN" BUT IT COULD BE "STK", MAKE A NOTE OF THE NUMBER AND SEARCH ON LINE, DONT FORGET TO CLEAN OFF THE OLD HEATSINK COMPOUND ON THE HEATSINK AND REPLACE WITH FRESH.f61 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
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Output IC is defective.Not much to do except have the main unit serviced.Output IC is rather costly.Before taking it for service, disconnect all speakers and power on.In F61 comes up IC is definetly bad.If unit works reconnect 1 speaker at a time(with power off) and retest each time.Repair bad speaker .
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