Question about Audio Players & Recorders
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Posted on Jan 02, 2017
SOURCE: Panasonic SA-HT940
F61 is a problem with the output amplifier pac. It is the equivalent of "protect" mode. The output pac needs to be replaced. I'll look up the part number for you.
Posted on May 15, 2008
SOURCE: POSSIBLE FAULT CODE
Yes, it is possible. The F61 error is a failure in the power supply or the amplifier. I repair these every day and it will require good soldering and troubleshooting skills to fix this yourself.
If you would like to try, let me know, and I will give you more information. But the best thing to do is take it to a service center and let a professional technician check it out for you.
Posted on Jul 01, 2008
I have a similar unit about 18 months old...just wouldn't start and gave me the F61 code. I opened it up and found that the fan on the back was not running properly...the fan's circuit feeds back info to the cpu that it is running...when not it shuts the system down. I powered the fan externally with a 20v power source and ran it for a while off the red and black wires (the yellow wire must be the feedback)and re-installed it. All is working fine...but I'll go out and buy a new FAN.
Posted on Jan 29, 2009
I am not familiar with the particulars of your specific model, but with switch mode supplies in gereral, look for defective filter caps on the output side or a defective Zener Diode. If you can post a few photos of the power supply section, I may be able to guide you to the likely parts. Dan
Posted on Jun 08, 2009
Just try to resolder all component parts in power supply section,maybe there is a loose connection or cold solder joints that causing of abnormal voltage or missing voltage.Also check the resistor for cange value causing the voltage trap.Check also all electrolytic capacitor for leak. Hope it may help you;;
Posted on Jun 08, 2009
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Mar 10, 2011 | Audio Players & Recorders
F61 usually means the amp has detected a short.
Generally speaking, an amp protects itself from heat, shorts and overloads 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 as a root cause for intermittent shutdown.
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