Question about Denon AVR-1706 Receiver

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Avr1706 The unit will not power up.

I have unplugged it and plugged it back in with no luck. There are no lights showing at all. Is there a fuse that I should look for.

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Check power cord first-apply spray contact cleaner in on-off switch and press it many times.

Posted on Jul 12, 2008

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1 Answer

Harman Kardon 146 receiver not turning on.


Possible blown fuse inside unit, unplug and remove the top cover
fuse should be near the power board and transformer. replace with exact fuse, "Never remove covers with the unit plugged in" Always wait 4 or 5 minutes after unplugging to remove the cover.Replace cover before plugging unit back in.

Oct 06, 2014 | Harmon Kardon Harman Kardon Avr 146 5.1...

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How do I check/replace fuses for an Onkyo TX NR609? Also, after unplugging the unit, is there a step to release any voltage or is it safe just to touch the fuses? There was a storm, and ever since my


Unplug the Unit and wait a couple of minutes, there should be no power on the fuse terminals. Most newer devices have bleeder resistors on the filter capacitors which are the only devices that
hold a charge. Also look, without touching! for bulged capacitors and burned components. If the unit does not power up after replacing the fuses you may have some blown diodes or rectifiers.

Oct 03, 2014 | Audio & Video Receivers

1 Answer

What could be the cause of the receiver act like it's not plugged in? No lights or anything.


Is the outlet live? Does something else plugged into the same outlet work?

Does the receiver have a master power switch on the back that may have been switched off by accident.

Some - not all receivers have user replaceable fuses. If you do not see a fuse holder on the receiver near where the power cord attaches then you may need to open the chassis to see if there are replaceable fuses on the power supply board inside. Follow where the power cord connects to the chassis. It will lead to a board with a transformer that changes high voltage to the low voltage that the receiver needs to operate.

IF there are user replaceable fuses inside they will be on the power supply board.

PLEASE make sure that the unit is unplugged and has been for some time as the transformers sometimes stores residual voltage that will harm you. Don't do this unless you know what you are doing inside the unit. I recommend novices just take it to the repair center.

Also - IF you replace with the wrong fuse type and rating you can cause further damage to your unit.

Good luck and be careful.

May 26, 2014 | Sherwood RD-6108 Receiver

1 Answer

How do I reset a technics sa-gx350 receiver unit


Don't know that you can actually reset this unit like the new digital receivers. It does have protection circuitry that will shut the unit down in case speaker wires are shorted or if speaker impedance is less than the indicated rated impedance of the amp. do the following:
1. Turn off power and unplug from wall.
2. Check all connections and correct if needed.
3. Turn back on after 1-2 minutes.
If unit is still in protect mode you may want to unplug everything from the unit and then power back up to see if the problem is internal or external. If it powers up correctly then the problem is external. Power back down and plug in one external item at a time and power back up between connecting each item to see which item causes the receiver to go into protection mode.
If problem seems to be internal I'd recommend taking to an electronics repair shop if you aren't comfortable with taking apart to check fuses, terminations, etc. There may be a 5-amp fuse in the power plug head also.

Oct 21, 2013 | Audio & Video Receivers

1 Answer

I have an fisher RS636 when i cut it on it stay's on for 8-9 seconds and cuts off. 1 glass 125v/5amp fuse blowd which i changed. i am attempting to fix it myself does anyone have an idea were i start?...


Unplug the unit. Start in the power supply. Unplug any cabling going to the PS Board to minimize erroneous measurements. I am hoping you are technical since you are going to screw around with the electronics so let's get to it. Perform a diode check and capacitive check on main filters to make sure the bridge rectification is good. Next, analyze whatever V (TDA, STK, etc) output module may be on the power supply board (PS).

Should everything look good, keep the cabling off the PS Board but make sure the grounding leads are still tied to it. Replace the fuse with same E and I ratings. Plug in the power supply. Fuse blows? If so, you missed the problem on the PS... go back and run diagnostics (continuity on discretes). If it didn't blow, hook up the cabling the way it was and turn it back on. Fuse blow? More than likely it will be your output transistors. Perform tests while unit is unplugged (diode function).

Good luck and don't get bitten!

Apr 14, 2011 | Fisher RS909

1 Answer

My str-k502p stopped showing the lights on the front. everytime i plug it in it makes the clicking sound like its on but nothing shows up. when i try pressing the power button all that happens is the...


Check fuses on unit .Fuses should be on right side of amp .If all fuses are okay.If a fuse needs replacement .Replace with same type and always make sure unit is unplugged .Its possible unit needs repair

Jul 20, 2009 | Sony Audio & Video Receivers

1 Answer

Reciever won't power up


HI, this amp may need to be reset. also, i would check the voltage selector on the back side to make sure the switch is set to 110-120v. once this is done, you will need to reset the microcomputer. here is the procedure.


The microcomputer may malfunction (unit cannot be operated,
or shows an erroneous display) if the power cord is unplugged
while the power is ON, or due to some other external factor. If
this happens, execute the following procedure to reset the
microcomputer and return the unit to its normal operating
condition.

Procedure- Unplug the power cord from the wall outlet, then
plug it back in while holding down the POWER key.

ok, after this reset, if your receiver isn't operational, it may have serious damage to its power board.

Mar 07, 2009 | Kenwood VR-605 Receiver

1 Answer

I have a QSC EX 2500. Recently, the unit blows a fuse immediatly when powered on. The fuse is located on a circuit board at the inside back left (near the speaker connections). This circuit board has...


it's not a problem it just show u thay ur speaker is unable to bear the load of it . just unplug the switch of the speaker before turn on ur computer and when ur computer turn on plug ur speaker again...

Dec 03, 2008 | Audio & Video Receivers

1 Answer

Unit wont turn on


.Hi jepenny

The board you are looking at is the standby cct and power switching PCB. It sounds like that is working, so you have probably lost power to the transformer primary or the transformer is open circuit. Check for blown fuses and replace with exact same type and rating.

Be sure to unplug at the wall before touching any internals!!

If you can find no blown fuses, the power transformer may have failed. Good luck, get back to me here is you need any more advice. Thanks for using "FixYa"

regards
Graeme

Feb 17, 2008 | Harman Kardon AVR 25 MKII

2 Answers

My unit has power, but it won't turn on at all.


This means that something is seriously wrong with the unit(blown amp, shorts, opens, etc.) however, you can reset the unit by unplugging the unit, holding the A and B channel buttons on the face of the unit and plugging in the reciever. the display should flash at 1 second intervals. if it doesn't stop flashing on its own then unplug and replug and you should be good to go! good luck.

Jul 31, 2007 | Denon AVR-2800 Receiver

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