Question about Panasonic SA-HE200 Receiver

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SA HE200 Code F70 problem

Hi,
My name is Rob from hamburg, germany.
could you help me with the repair of my receiver?
Which component do I have to replace to have rid
of this problem once and for all.
Its been in for replacement of a fuse (F70?) three times,
the time has come to do it myself.
Look forward to your reply.
Thank you
robcox@gmx.net

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Hi,

Error F70 as you have found out is a blown 1.25Amps fuse. To my knowledge, Germany uses 220 Volts 50 Hz. Pls verify if the Panasonic is rated at 220 or 240 Volts and 50Hz or 60Hz. The frequency or voltage settings might have to be set appropriate to your local settings.

Alternately, It may be that your fuse is rated to be a fastblow type meaning that it will instantaneously burn out on certain occasion even under normal usage. A quick but dirty solution is to use a slowblow fuse. As the name implies, it is still a fuse and it will still burn out if anythings goes wrong. However, it may take a bit more time before reacting. The time difference would spell the difference between constantly changing your fuse or allow more time before it blows (if it will really ever blow). There is however of course the possibility that if and when something is really wrong inside the Panasonic, the fuse being a slowblow may hesitate a bit longer and allow more damage.

It is normal for devices such as these to have a higher initial current than the running current and fuses are rated normally on a compromise between the two.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Posted on Apr 16, 2008

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The F70 error code is not for the replacement of a fuse. It is an error code for the microprocessor having trouble communicating.

Try leaving the unit unplugged overnight and then plug it back in again. This should clear that code.

If it does not clear the code, try doing a hard reset with the unit NOT PLUGGED IN.

You would need to use a small metal pick or small flathead screwdriver and use a jumper to ground the pick/screwdriver to the chassis of the unit. Then you slowly run that pick over each pin of the micro, thus grounding every pin one after the other. This way you are sure to ground out the reset pin.The unit must not be plugged in when you do this. It will clear all memory and settings.

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I think the previous service center charged you for a fuse and all the did was a hard reset of the unit.

Let me know how you do with this solution and please do not rate it until we have had a chance to explore other options. I actually have repaired a couple of these before.

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