When I turn the unit on I get a message F61 which means, I believe, something wrong with the speaker wiring, however all speakers are disconnetcted. Is there a pratical thing I can do, like changing a fuse, to get it working again?
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Re: SC-HT75 home theater
This error means that the unit is in "protect" mode. An error condition was detected in the final stage of the amp and the unit has shutdown to prevent further damage. This is usually the output amp pac that needs to be replaced. Expect a parts replacement cost in the $75-$90 range.
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F 61 error means the failure of FAN
most probably dust in the fan made it to stop working so clean the dust
and connect the fan to an external supply of 12v(using red and black
wire) for 5 minutes and reconnect it to the unit otherwise replace the
fan with new one.
Surely this will solve the problem.
You have shorted the speaker wores and blown the output amp pac. Depending upon the model, the replacement part varies from $75-$95.I don't have a listing for the SC-HT740, but the cost range should be accurate.
This is essentially a "protect" message for these systems. It means that a problem was detected in the final output stage of the amplifier section and the system has shutdown to prevent further damage. This is usually casued by a defective output amp pac (expensive at $85+) or a defective regulator. WIthout seeing the actual machine and taking measurements inside, I can not tell you the exact problem. This unit is probably worth spending a few $$ to get a detailed repair estimate. Armed with that info, we can guide you through the actual repair.
The output amp pac has a problem. The F61 is indicating that the unit is in protect mode. This is a mode where the output section is shutdown to prevent further damage. Figure on $65-$95 for parts.
speaker cord connector problem:- remove all speaker connectors and insert it one by one each time until you find the bad one and change its connector with a new one. (you must play something and listen).if all above does not work you will have problem in power supply and need to fix.
you have a problem with speaker cords:- 1-make marks with tape or any marker pen in all speaker cords(left-right-sub- front-rear). 2-after marking remove all speaker cords. 3-insert them one by one until f61 appear. 4-the cord that connected and make the trouble is bad please change it with new one.