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Re: technics dvd stereo sound processor sh-dv290
The F61 is essentially a "protect mode" mesage. A problem was detected and the unit shuts down. This translates into either the amp pac being defective ($approx $95 for part) or a defective regulator circuit (less $$). In either case, the repair is not the simplest to do. Check around for a Panasonic authorized service center and call to get an estimate. This is a relatively common fault, so you should be able to get a ballpark repair cost.
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The F61 error on Technics audio equipment will depend on the type of unit. However, it could be a problem with the power amplifier IC or with the cooling fan. (If it's the fan, you might be able to clear the error by pressing and holding the power button until the fan starts to spin.)
Please add a comment with the model number of your audio equipment for more information.
"F61" is an error code for short and/or overload detected by the processor upon self check.
First thing you have to try to eliminate this kind of symptoms is by disconnecting all of the inputs and speakers connected from the unit then turn it on without them. Let me know if the symptoms still persist...
Is the aux imput for tape or cd only? Or is it a dedicated phono imput?
If it is for tape or CD only it won't work has the cartridge from the deck needs a magnetic pre-amp.
If the amp doesn't have a phono imput you can get a pre-amp for cartridges from your local electrical shop. This will plug into your deck and then into the socket of the amp.
If the aux on your amp is a phono socket, assuming the record deck is working, then the pre-amp (inside your amp) for the cartridge has failed. It generally is located near the imput socket, chances are it will be single IC. It's a fair bet the IC will have failed, they tend to be static sensitive types prone to fail at the drop of a hat!
F61 is the "shorthand" for protection mode for Technics units. Either the regulator IC or the output AMP-PAC IC has failed. Expect a parts cost between $40 -$100 for the repair depending upon which IC has failed.
bad / old wore out parts in the power supply. Some parts actually need an electrical flow throgh them to maintain stability. If there is no power through some parts like capacitors they tend to go bad. More then likely bad caps.