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Scott 370r stereo receiver suspect deffective capacitor.

Am wondering where i can find the wiring diagr so i can diagnose a problem

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Whats wrong with my stereo


How old is your HK receiver? The power supply capacitors can get old and tired, and cause the hum and shutoff. Repair is an option.

May 03, 2015 | Harmon Kardon Harman Kardon AVR1600 50W/CH...

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I have a Sony STR DE915 amp. It will not power up. I checked the internal fuse (it's OK). Power button has dislodged and may be broken. Am looking for disassembly instructions (not schematic diagr


Simple, if you are not confident in your ablility to fix the problem by dissasembling the boards then by all means, take it to a repair facility.

Apr 20, 2014 | Sony STR-DE915

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I brought a US model BDPs580 back with me from the states and connected it to an Australian outlet without changing the voltage. unfortunatly this caused a small popping sound and a small plume of smoke...


Hi.

I have made that same misfortune a while ago with a ONKYO bookshelf stereo from japan that I plugged in without setting the voltage properly, and on it, the damage was so extensive inside that it was cheaper to replace it, rather than go through having every single resistor and capacitor replaced.

Almost always, this is a FATAL condition, unless you are willing to sink lots of money into the repairs.

I would probably just get a new stereo, and be done with it.

A good, high powered stereo receiver, with all the modern features only runs around $250-$400 dollars, and depending on where you go, it can be even cheaper than that.

I hope this let's you know what the options are, and good luck to you.

Apr 26, 2011 | Audio & Video Receivers

1 Answer

Can't turn on "A" speakers and "B" speakers at same time


This is a self-protection mode protecting the receiver from low impedence / High Current on the speaker side. Given that this is an exercise stereo and it may be turned up I would recommend purchasing a second amplifier to run the second set of speakers. Obviously I would recommend one that you would be able to add and remove before and after the class.

Sep 18, 2009 | JVC RX-774V

1 Answer

Rx-4103 stereo receiver, it cuts off after you turn it on, thei sound it make is a load pop.


Sounds like you have a bad capacitor in the power supply. Testing with capacitor tester and ohmmeter will be needed to find fault

Jul 13, 2009 | Sherwood RD-6108 Receiver

1 Answer

I have a simple stereo speaker from Radio Shack. Small metal case with two wire input latches. Each box has two speakers in side. Both speakers boxes went out at the same time. I wasn't there when this...


You need to measure across the speakers themselves n ot the crossover (cap). If these are 8 ohm speakers, an ohm meter will read about 6 or so. That is because both impedence and resistance use the same measurement. With an ohm meter you are measuring resistance. The speakers are rated using impedence.

If both speakers are open (measure infinity), I would suspect a problem with the stereo that caused them to go open. With the stereo on and playing something (radio,cd , or whatever) use a DC voltmeter to measure between the speaker terminals (Red/Black). You should read essentially 0 no matter what the volume. If you read any DC more than 3/4 V, the problem is with the amp section of the stereo.

Dan

Jul 18, 2008 | Audio & Video Receivers

1 Answer

I have to reset my channels on my sendai car stereo every time i turn engine off


I would suspect that the radio is not installed correctly. There should be 12V present on one wire for retaining memory. There is a capacitor inside the radio that will retain memory for a short time (less than 5 minutes), but you should not have to reset the system after each start. If the wiring is correct, then the internal memory system may be defective and require replacement.
Dan

Mar 17, 2008 | Audio & Video Receivers

2 Answers

Receiver wont turn on


It sounds like You have a Bad output Some where and its going in to protect mode disconnect spkrs and make sure volume is Down all the way and power up,Ck your wireing for Freyed wires and shorts at the inputs and outputs good Luck ttech

Jul 09, 2007 | NAD T752 Receiver

1 Answer

Denon AVR-2106 troubles


If the surround back is turned on,on the receiver,then the 7CH stereo will activate the 2 rear,but if it's off on the receiver the 5CH on the remote will do the same. I don't know much about the unit changing from 7CH to game,rock Arena etc.that i know will happen if u press the DSP simulation found @ the 3rd. top right button on the remote.

Jan 16, 2007 | Denon AVR-2106 Receiver

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