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SA-AK57 BANG!! F61 error

Hey I get a huge BANG!! out of my SA-AK57 then it shuts off with an F61 error. It happens only when the unit is first turned on, after the bang happens i can turn it up as loud as i want cause i know it won't happen again, untill the unit rests for a while. sometimes i get a slightly softer bang and it doesn't turn off....i think one day its just gonna not work i need help. thanx

dan

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  • sannitig Feb 20, 2008

    I did not try it but u may be right.....I'm wondering if it is even worth fixing....i mean the speakers are great but to replace a whole amp?? hmmm.....

  • sergio2125 Sep 06, 2008

    i have a SA AK 600 when i turn it on a F61 message appears.¿whats that mean?.THANKS

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  • 47 Answers

The primary amplifier ic is on it's way out.
you will need to replace that and the regulators for it too.

Posted on Feb 18, 2008

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AFTER A FEW SECONDS MY SYSTEM SHUT DOWN AND SHOWS ME F61 ON THE SCREEM


  1. AFTER A FEW SECONDS MY SISTEM SHUT DOWN AND SHOW ME F61 ON THE SCREEN

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Mar 15, 2008 | Audio Shelf Systems

1 Answer

Panasonic SA-AK57 problem


Hi,
This sounds like a power disconnection problem.
you have a large amount of components, on the motherboard that charge up with being used. ( namely fets/capacitors et,c ) when your system is powering off the instant disconnection of mains power, can cause a Bang or Pop to the speakers.
I,d suggest trying swapping the speakers over from right to left and vice versa. see if the errors still there.
Also try turning the volume right the way down, before switching off. is the bang quieter ?
Check the mains cable ( plug end ) see if theres a broken or loose wire at the plu ( causing an arc ) finally check that the plug ( cable grip ) plastic tang that holds the cable, has,nt been overtightened and damaged the cable underneath it.
I hope any of this helps you to a self diagnostic rectification of the problem listed. Also try without speakers is a suggestion.
Mike @ Compurepair.

Feb 24, 2008 | Audio Shelf Systems

2 Answers

F61 error


I had the same problem, and I had to replace the fan on the unit. The fan would not turn on at all, so the computer would tell the unit to turn itself off. After the fan was replaced (which is relatively simple) it works like new.

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CODE F61


F61 tells you its a power source problem according to the manual. to all F61 error it is very likley that the str470-050a reg legs desolderd and have broken away from the main body of the regulator giving you the f61 and shut down.

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