Question about Panasonic SC-AK340 Shelf System

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SA-AK340 F61 Each time I turn the system on it get's half way through the Hello and then the F61 Appears a few second's later the system shuts down and wont start. How do I fix this?.

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Posted on Jan 02, 2017

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SOURCE: F61 error in my SA-AK25 Panasonic Audio System

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Posted on Mar 27, 2008

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jdvillanueva
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SOURCE: f61? how do i fix it

I've encountered that kind of problem.
f61 appear on the screen then shuts down the unit.
The very common defect is your fan, output ic (rsn series).
First check the fan if it is in good condition (disassembling the component is quite technical it need a lot of care).
sometimes the fan is full of dirt that's why it will not work properly which the system sense and uttered the unit to switch of avoid further damaged.
If you confirm that the fan is working properly I will suggest you to bring your unit to a qualified technician/service center because replacing the output i.c. is more technical.

Posted on Jan 02, 2011

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1 Answer

How do you clear the f61 fault? the radio shuts down after about 5 seconds and then reads f61.


F61 usually means the amp has detected a short or a severe microprocessor error.


Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance 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 'nekkid'. 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 at the speaker as another possible root cause for intermittent shutdown.

Aug 24, 2011 | Panasonic Audio Players & Recorders

3 Answers

After turning on Panasonic SA-HT 990 appears F61 on display and receiver turns it self off.


F61 usually means the amp has detected a short or a severe microprocessor error.


Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance 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 at the speaker as a root cause for intermittent shutdown.

Apr 24, 2011 | Panasonic Home Theater System System

1 Answer

EVERY TIME I POWER UP ITS SAYING F61


The below doesn't work with all Panasonic equipment but if this fails then the only fix is a replacement Laser which isn't cost effective.

U61 Fault
Corrupted or Faulty DVD in Machine.
  1. Put Machine into Standby
  2. If won't go into Standby hold 'Power' for 5-10 seconds
  3. In Standby hold 'Stop' & 'CH UP' together for 5-10 seconds until tray opens
If this fails then re-initialise the Machine as follows
  1. Put Machine into Standby as above
  2. In Standby hold 'Stop', 'CH UP' & 'Open/Close' together for 5-10 seconds.
  3. Hello displayed followed by TM AV1
  4. Put Machine into Standby
  5. 11-11 then 12-12 and finally 22-22 displayed
Switch Machine on and Retune

Apr 23, 2011 | Panasonic Audio Players & Recorders

6 Answers

AFTER A FEW SECONDS MY SYSTEM SHUT DOWN AND SHOWS ME F61 ON THE SCREEM


  1. AFTER A FEW SECONDS MY SISTEM SHUT DOWN AND SHOW ME F61 ON THE SCREEN

Oct 25, 2010 | Panasonic SC-AK300 CD Shelf System

1 Answer

When turning on the Panasonic DVD player the unit stays on for 3 seconds and reads "Hello", then reads F61 and turns off. What causes this and how can it be resolved?


The abnormalities an output or power supply circuit of POWER AMP.
In normal operation, when DCDET2 goes to "L" (Low) (Not during POWER OFF condition), F61 appears on FL Display and PCONT goes to "L" (Low).
This is due to speaker output has DC voltage or fan is not working.

May 18, 2010 | Televison & Video

1 Answer

PROBLEM F61 ON MY EQUIPMENT AND SHUT DOWN


You possibly took out the output ic by crossing speaker wires or touch one to the case when the other was in the terminal. (turn off and unplug when moving speaker wires)

Before taking it in remove all wires unplug power cord wait 30 seconds and plug just the power cord and turn on. If it still goes to f61 it's going to most likely need the output ic replaced.
$70-90 labor and about $100 for the part.

Nov 11, 2009 | Panasonic Home Theater System System

2 Answers

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)

Dec 17, 2007 | Panasonic SC-AK340 Shelf System

2 Answers

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

Dec 14, 2007 | Panasonic SC-AK300 CD Shelf System

1 Answer

My stereo turns off by itself and the indication F61 appears


1st case dry solder connection in power board and amp bpard ,resolder and unit will be working o.k

Oct 28, 2007 | Technics SC-EH780 CD Shelf System

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