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
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am o combina muzicala marca panasonic modelul sa-ak240 si imi da o error f61,dupa ce o aprind la nici un minut imi da error f61 apoi se stinge.din ce cauza ma puteti email@example.com astept un raspuns
There is a particular procedure for rebuilding these units that must be followed to insure proper alignment. This procedure is available to authorized service centers only (as far as I know). Your only alternative is to purchase the service manual that contains this procedure from Panasonic.
The optics assembly is not detecting the disk. Sometimes this is due to the lens being dirty. These units are not the easiest to work on with out either experience or the manual. I would suggest that you invest in a service call to have the optics checked.
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.
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.
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.