Question about Edirol V4 Video Mixer With Effectsships Free

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The potentiometer has probably failed... You can TRY putting a bit of CRC226 which is available at HomeDepot in the electrical dept. into the slot and working it. Use only that product as there are other CRC products there. About $2.70 in a small blue aerosol can. Use the spout, spray into the center and move handle. repeat a few times. If that doesn't' work, replace the pot.

Posted on Apr 01, 2011


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Posted on Jan 02, 2017


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We would like to buy the Edirol V8 video switcher for live internet broadcast. I need to know if this is the correct product for us. We have 3 cameras and a projector going into the switcher and then it...

Dear crane_editor,
For broadcasting the video signal coming from the V-8 over the internet you need to have a computer that is equipped with a composite or S-Video input card. Additionally you might need an audio input as well with the possibility to delay the audio to have a live stream with lipsync audio and video.
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Input has shorted. Cant figure out how to take this amp apart.

There are USUALLY 4 screws in dress washers on the top... AND hidden are two for the handle that also grab the amp. Sometimes there are caps over the ends of the handle thaat have to be snapped off... they can be a pain to get off. I believe the amp portion slides out the back... Thhere is twwo wires under the amp that go through a hole to go to the speaker... be careful they are short and they MAY have a ferrite donut around them... It is usually a fight to get them free and even worse when reassemblling to get them back on... AND they put hot melt glue on the connector in the amp... You have to carefully release that...I have a BX1200 and have had it apart once for repair... Input shorted? You mean the input power or the input audio jack... if the latter, let me guess... somebody tripped over the guitar cable... happens all the time... that is why we loop the cable through the handle to avoid breaking the inout connectors.
I am not sure how you analyzed the input audio connector is shorted... these jacks are JUNK and easily broken. If the input POWER is shorted, or appears to be shorted, it may be deeper than the power supply... USUALLY one of the amp chips is shorted.

Here is the service manual for the BX1200 which should be similar... they may have paralleled another LM3886 to get the 180 watts.

Scroll down to the "Get Manual" link and click on it to download.

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The output is coming out of the wrong side of the headphones (i.e., suppose to present sounds on left, comes out on right headphone)

You will need to reinstall the drivers

If that doesn't will need software that allows you to invert the sound.

Please rate if this helps!

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Edirol Midi Keyboard Controller PC-50 Many notes no longer sounding. Can't get into keyboard to check contacts

Well, you have to get into the keyboard. There will be screws or latches that hold the case together.

SOMETIMES screws are hidden beneath stuck on rubber feet.

SOMETIMES plastic latches are where there are slots... have to be careful as they can break if you don't open them right.

WORST are latches along the sides that you have to pry open... knowing where they are is key.

You will probably find that the keys consist of conductive rubber "pills" that are in silicone rubber domes that the keys press against finger-like circuit traces on a board under the keys.

Clean BOTH the pills and the traces with 99% isoprophyl alcohol and a Q-tip.

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