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All lights operate on front panel but no output to the speakers

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  • cbridge Dec 19, 2008

    My Sony receiver STRDE197 in in autoprotect mode. When I cut on the receiver it immediately goes into auto protect

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  • 142 Answers

Hello, your unit is in "protect" mode. The protection circuit is activated to protect your speakers from a shorted output IC or output transistors. If there wasn't a protection circuit then the shorted output would send it's operating voltage straight to your speakers and the speakers would literally fry.

barneyluc

Posted on Oct 10, 2008

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Posted on Jan 02, 2017

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1 Answer

Yamaha Receiver RX-V371 broken speaker wiring connection on the back, what are different solutions?


That unit give you the option for a second set of speakers ?

If so , connect to Output 2 ( or B) on the speakers connections and select Spkr 2 ( or B) from the front panel

Dec 16, 2014 | Yamaha Audio Players & Recorders

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No Sound in Right Front Speaker- Denon AVR-1508


hi there,

have you check the system settings for each of the speaker..? should be set and balance all output of the speaker

`jack

May 24, 2008 | Audio Players & Recorders

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Subwoofer


go to audio set up and configure the system for 5.1 or higher sound output.then only all the speakers ll work

Jan 03, 2008 | Yamaha RX-V640 6.1 Channels Receiver

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MY BOGEN BR 360 RECEIVER WORKS ON ONLY ONE CHANNEL


Are you shure the speaker is good? Switch them around, If it still doesn,t work the problem is with the reciever,The output transister is probally fried,

Dec 06, 2012 | Audio Players & Recorders

1 Answer

No sound regardless of input. front panel lights up and functions as per inputs however also noticed pwr supply fan and internal heat sink fan do NOT turn on. Any debugging tips appreciated! Thank You...


The power supply has to be on to some extent or it wouldn't light up.

http://www.retrevo.com/support/Harman-Kardon-AVR-335-Receivers-manual/id/386bh133/t/2/

Does it tune FM? That would indicate some life.

No sound? Is it Muted or a tape Monitor selected inadvertently?

Page 53: Reset the processor...

Processor Reset

In the rare case where the unit's operation or the displays seem abnormal, the cause may involve the erratic

operation of the system's memory or microprocessor.


To correct this problem, first unplug the unit from the AC wall outlet and wait at least three minutes. After the

pause, reconnect the AC power cord and check the unit's operation. If the system still malfunctions, a system

reset may clear the problem.


To clear the AVR 335's entire system memory including tuner presets, output level settings, delay times and

speaker configuration data, press and hold the Tone Mode Button (5) buttons for three seconds. The unit

will turn on automatically.


NOTE: Resetting the processor will erase any configuration settings you have made for speakers, output

levels, surround modes and digital input assignments, as well as the tuner presets. The unit will be returned

to the factory presets, and all settings for these items must be reentered.


If the system is still operating incorrectly, there may have been an electronic discharge or severe AC line

interference that has corrupted the memory or microprocessor.


If these steps do not solve the problem, consult an authorized Harman Kardon service center.

Jan 28, 2011 | Harman Kardon AVR 335 Receiver

1 Answer

I need to set up 4 pair of speakers, two zones. all ceiling mounted.


Okay! all ceiling mounted speakers. I don't know about 4 pair of speakers.Here is the load down:
First pair of ceiling speakers would be left and right front from speaker A or Main output behind your receiver.
Second ONE,but a pair would be connect to the center channel output as your center speaker.
Another pair would be connect to the surround sound left and right(NOT surround BACK left/right.)
Now,you have 5 channel setup at this point,you still need to purchase a power subwoofer to the SUB PRE-OUTPUT behind your Denon receiver.

For Zone two,you would need to connect your other pair of speakers to surround BACK left and right output.
Go to your Denon MENU button,depending on which model you have,some of them will have an on-screen display feature(you would need to have a composite video cable connect from the video output behind your receiver to the TV video input in order to use the on screen menu.)If not,you would have to it view on the front panel of the A/V receiver.
You need to read the detail on how to setup the video and audio as well as distance and DB for the receiver through the menu button.
I will be frank with you,if you are an amateur,Denon is NOT easy to be setup on the first time.
solutiondoct

Nov 06, 2008 | Denon Audio Players & Recorders

1 Answer

No sound with the front speakers


Sound to headphones comes from the pre-amp stage of most units otherwise they wouldnt be able to handle the power output . 150 watts into your ears ouch lol .
So it sounds like your slave amp has gone down on one channel . a slave amp is the final output stage and the power stage to the speakers . to make sure it is the amp change your speakers over if the sound then works from the speakers that had been dead then its the amp and requires an engineer to check it out with the prospect of a new output IC or final stage / capacitor replacement

unskilled persons should not attempt to repair electronic equipment as it is unsafe to do so , and may cost you far more in the long run ?. Regards Vortash

Aug 26, 2008 | Denon AVR-1802 Receiver

1 Answer

No output from outputs to speakers.


Usually the outputs are not fused, but you can go thur speaker white noise test and see if that works first. If it does, then outputs are probably fine, IF not then the output transistors are most likely bad. Let me know and we can try some other things thur live chat if you would like. Good luck Guru Jay

Oct 29, 2007 | Yamaha HTR-5650 Receiver

2 Answers

No output


If the board is not cracked , check voltages at the audio output relays. on the input audio terminals side of the relays ,if you have voltage you may Have bad output Ic's

Jun 29, 2007 | Yamaha RX-V690 Receiver

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