Question about Panasonic SC-HT740 System

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F61 error code

How do i repair the audio amplifier ic ?

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Sorry to hear about your error code F61

This code refers to a High Limit Temp. condition.
This is most likely caused by the cooling fan.
If the Fan has stopped running or not running at full speed, you will recv. this error message and the temp. reaches high-end limit.
Please check the cooling fan, any possible air flow restrictions and correct running RPM.

Hope this information has helped you.
Readers, please rate your technicians information.
Thanks,
John Ray
john@johnrraycomputer.com


Posted on Jul 12, 2009

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I have problem with my home cinema Panasonic home cinema SA-HT 870. I can't turn on. when i push the buton on/off i hear zzzzzzzzzzzzzzzzzzzzzz and i see on display EROR F61 and after 3 sec system is turn off. I checked my fan on sub. and check cable speakers, but still doesn't work. Can i get help for this problem, thank you!

Posted on Oct 17, 2013

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Posted on Jan 02, 2017

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1 Answer

At power on, displays F61 code and switches off


F61 is an error code.
It will automatically shuts down your unit.
This is very common on your unit.

Try to checked if the fan is working or not.
I have repaired some unit before, this is the caused why f61 appeared.
The symptom is shutting down the unit after a few minute.
If the fan is not working it will shuts off automatically to avoid further damaged to your output I.C. from overheating.

If confirmed that the fan is working then I've suspect that your output I.C./pre-amplifier circuit is faulty.
This is quit technical and need to send to repair shop to isolate the faulty parts.
The output IC of your unit is RSN series and quite expensive.

Pls rate my help.

Thaks for using fixya...

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IT IS SAY F61 AND CUT OFF


F61 Error Code Indicates a Protection Mode....Amplifier IC is possibly bad.

Oct 29, 2010 | Audio Players & Recorders

1 Answer

F61 error message


F61 IS THE ERROR CODE FOR A FAULT IN THE AMPLIFIER STAGE OF THE UNIT, if the power fan or supply is okay then THE MOST LIKELY CULPRIT IS THE AUDIO OUTPUT IC, WHICH IS A MULTI LEGGED DEVICE SCREWED TO A PIECE OF METAL USED TO COOL IT, IN PANASONICS ITS PREFIX WILL PROBABLY BE "RSN" BUT IT COULD BE "STK", MAKE A NOTE OF THE NUMBER AND SEARCH ON LINE, DONT FORGET TO CLEAN OFF THE OLD HEATSINK COMPOUND ON THE HEATSINK AND REPLACE WITH FRESH.f61 means theres is a fault with audio output ic, usually there is dc on one of the speaker output rails, replacing the audio output ic will usually cure this but check speakers and leads for shorts before reconnecting to the unit

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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.

Dan

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Error


The audio amplifier IC are damaged.

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SHOW ''F61''


This is error code which system control detected either power irrgularities or dc voltage is detected from the speaker out put line.This fault we have noticed that both of them appears same time also.Pls change Amplifier ic TDA8920 and C1740 transistor and 27V1w zener diode.Transistor and zener diode is for voltage regulation and amp ic if the dc detect is active.Usualy change this three components same time.(this all is in power amp section)

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F61 error


Hello....
Isolate problem by disconnecting Amplifier ic (RSN),if f61 still appeares after disconnection of RSN ic ,than check voltage supply rails ,may be one of them has irregularities.
Gopali

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2 Answers

F61


Sound amplifier ic??******** this guy is talking out of his ***.
F61 relates to fan error. There are two fans, one of them is either spinning too slowly or not at all.
This fan can be purchased in any computer store. Just remove it and take it with you.

Jul 28, 2007 | Technics SC-DV290 System

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