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I want to repair input channel..how do i repair

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  • Master
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Get a flat screen tv,get rid of the crt,they use way too much electricity and are an elephant to repair,its gonna cost alot to repair and unless you are a tv tech,you cant do it

Posted on Apr 10, 2015

  • 3 more comments 
  • john Apr 10, 2015

    Is not a tv...is a audio system....peavey power miixer....input channel not function

  • john Apr 10, 2015

    Hello...anybody?

  •  johnny rebel
    johnny rebel Apr 10, 2015

    well,when you post it here,,,Question about Standard (CRT) Televisions,,,how are we supposed to give an accurate answer?

  •  johnny rebel
    johnny rebel Apr 10, 2015

    get your user manual here,http://www.manualslib.com/brand/peavey/m...

  • john Apr 10, 2015

    Sory...ok tq mr

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  • Televison & ... Master
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If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Posted on Apr 10, 2015

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Posted on Jan 02, 2017

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1) Check speaker polarity carefully
2) Ensure that speakers are securely connected.
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If that does not alter or fix the problem your right channel may have developed an internal fault. Repair or have it repaired.

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Kustom KSC 4080 Just bought - channel 1 is dead, for both 1/4-inch and XLR inputs. By the way, the nut securing the 1/4-inch jack is gone (any wild possibility that creates a grounding issue that cuts out...


The missing nut is not likely to kill the channel. You just bought this so exercise your warranty... unless it is used in which case you bought someone else's problem. Somebody probably blew out the channel by zapping it with high voltage that destroyed the input circuit of the channel. Often there are bypass capcitors right at the input which short out. If this is boiught used, take to a repair shop and if new, exercise your warranty. I suspect they removed the nut from the connector to mark the dead channel.

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There is an internal f ailure and the unit will require servicing. To get by until you can get it fixed, you can get line transformers that will allow the mics to be used on the higher channels.

If you have inadvertently plugged a source into the :insert" jacks of these bad channels by mistake, that may have blown the input op-amps.

A lot of dis-assembly of the board must be done to get to the parts to repair.

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The slider or the amps for channel 1 may have a problem.

Sliders do wear out.

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Got asilimar problemwit a behringer europower pmh 3000.
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i have a 2000ish 32 inch trinitron Wega and i have had the EXACT same problems as you have, except mine was blacking out more and more frequently, but yes if u changes the channel or hit return onto the same channel you're watchin the picture wil come back, but not very long, about the longest it'll show a steady picture is 1/2 hr, but it's usualy going black within every 10-15 mins or so.

I took it to a Sony approved/recommened repair shop and aftet having a look i was told it would cost $200 cd including taxes to replace a 'vacuum tube' or something like that, i wish i could be more specific anout the part. I'm still considering whether or not to go through with the repair. I might just buy a working/used newer Tube Flascreen with HD for another couple hundred dollars. If there was a newer 2003+ 32 or 36" Sony that has a good track record I would love to hear suggestions. I don' trust flat panels, way too mny horror stories, and for every 1 i hear about there's probably 10-20 more.I'll give them another 5 years or so to get their acts together.

On the other had, if i do decide to get my 32" wega fixed i will post the results and the exact pt numbers of the pts used i the repair. Your problem is exactly the same as mine, to the letter. I'm a mechanic by trade, but i have a good feeling they're not going to give me correct pt # until i have payed them to fix it. Or else i'd order the part and install it myself.

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Doe you get sound in from the headphones? If so, then the issue might be the volume fader for that specific channel.

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Oh, and I kinda like the pun.

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