Question about Panasonic SC-AK75 Shelf System
I conneted the Panasonic CD Stereo System SA-AK 75 to 220v. It is out of service. Is there a solution ?
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Posted on Jan 02, 2017
SOURCE: panasonic sa -ak 27
This is a common error for these Panasonic units. I work at an authorized Panasonic service center and have repaired many of these.
This error is caused by either 1 of these 2 problems, both of which will require service for replacement of parts.
1. The amplifier IC is bad and needs to be replaced.
2. There are a couple of smaller components in the amp circuit that need to be replaced. One is a zener diode and the other is a resistor.
The F61 error is caused by a bad amp circuit or power supply circuit. In most cases it is the amp circuit. More often than not, it is the zener diode and resistor that are bad. This would be preferable since the amplifier IC is very expensive and a total repair cost would be close to $200. The zener diode and resistor repair would be closer to about $100 depending on the rates of the service center.
I know this may not be the answer you were hoping to get, but it is the problem you have.
If you found this information helpful in making a decision on what to do with your stereo a FixYa! rating would be appropriate and very much appreciated, after all, it is the only reward we get for offering free help to people like yourself.
If I can be of any further help just reply to the post and I will get back to you as soon as I am able.
Good luck with your stereo, I hope you found this information to be helpful.
Posted on Sep 05, 2008
SOURCE: I have the panasonic stereo
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.
Posted on Jul 29, 2011
If a no read situation either a dirty or more likely failed optical pickup in the unit.
Posted on Nov 01, 2012
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