Question about Denon AVR-3806 Receiver

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Startup Turns off back to standby mode after about 5 seconds when turning on from standby mode. Tom

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Re: startup

Going into protect due to either blown channel or probably a 15v regulator might be down which I have seen many times also. causing unit to go into protect.

Posted on Jan 31, 2008

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All of a sudden stopped working and won't turn back on. been 12hrs. when power is pressed, it turns on for 2 seconds and then standby lights blink again and it turns off

This could be caused by a direct short circuit on the speaker outputs. Try disconnecting all the speaker connections at the back of the receiver and then power back on. You can also try a factory reset by holding the surround mode + clear button for 3 seconds.

Feb 14, 2016 | Marantz SR7005 Receiver

1 Answer

How do i reset the hk3770

Place the receiver on Standby mode so that the Power Indicator turns amber. Press and hold the front-panel Tun mode Button for at least 5 seconds until the receiver goes on and a reset message appears in the display.

Mar 01, 2015 | Harman Kardon Harman/Kardon HK 3770 stereo...

1 Answer

I have done some research about my denon arv-1601 reciever, narrowed it down to a ressistor problem, it turns on for 4 seconds and turns off and goes into standby mode. Any Suggestions?

Usually it is bad power supply problem or bad channel problem. Look for any burned parts, it helps you locate the problem. Burnt resistors in one channel- you need to replace output transistors (better to replace all transistors in that channel) and bunch other surrounding parts. If you do not see any burned parts, check all voltages coming from power supply +15 -15 +5 etc then check dc at every channel output (not at speaker terminals but at control pins on the amp/main pcb), should be +-10mV

Sep 05, 2011 | Denon AVR-1601 Receiver

2 Answers

I want to turn off the store demo mode of my samsung mm-c430d, can anyone please help me? Thanks

in STBY mode, hold "STOP" buuton for 5 seconds, unit will reset to factory mode.

Mar 14, 2011 | Audio & Video Receivers

1 Answer

After turning ON the power/standby switch, the unit(receiver) display comes ON (green light) then after approx.4-5 seconds the display goes OFF and the unit defaults back to the standby mode (red light). I...

Is the red light flashing at first?
The unit may be going into protect mode. Lets hope it has done the job and the receiver has protected itself from failure.
Protect mode can result from speaker wires touching each other or the Amps2_bing.gif metal case. Check that first.
It can also be caused by unstable ohm loads if too many speakers2_bing.gif are connected to any of the outputs especially zone 2.
If you can remove all speaker wires and turn the unit back on. If it stays on, turn the volume down on the main zone and zone 2 if connected. Then reconnect speaker wires.

Nov 16, 2009 | Denon AVR-485 Receiver

1 Answer

Enters standby after being on for only a few seconds.

Sounds like either the volume is turned up too loud, or you have a short. Have you tried disconnecting all the speaker leads from the rear, and then powering it on? Usually if it turns on for a short time and then shuts off, it is throwing itself into protection mode.

Sep 07, 2009 | Yamaha RX-V363 Receiver

1 Answer

Same Problem As Well

microcontroller needs to be changed

Jul 07, 2009 | Harman Kardon AVR 7300 Receiver

1 Answer

Goes into standby mode

press the off/on buttun and keep it pressed in while pressing the standby button... it should fix it

Nov 26, 2007 | Harman Kardon AVR 320 Receiver

1 Answer

Yamaha RX-V595A tuns off automatically

This was happening to mine also, all of a sudden. This solution came from the owners manual. Sure enough, the impedance selector was stuck in the middle , between 4 and 8 ohms....I also, made sure the speaker wires were not touching each other at the splice. Problem fixed.

The unit fails to turn on when 
STANDBY/ON is pressed, or set in 
the standby mode suddenly soon 
after the power has been turned on. 
The power cord is not plugged in or the 
plug is not completely inserted. 
on the rear panel is not fully set to the 
upper or lower end. 
Firmly plug in the power cord. 
Set the switch fully to the upper or 
lower end when the unit is in the 
standby mode. 

Oct 27, 2007 | Yamaha RX-V595A Receiver

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