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This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022

 

4004 Tone arm wiring disconnected

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hammer_smyth
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hammer_smyth Posted: Sun, Apr 25 2021 8:55 PM

Hi,

Lone time reader and enjoyer of my Beogram 4004, which I acquired in 2010. I've had various small issues over the years and basic repair skills, but need some assistance with a wiring issue.

Two wires (blue and green) in the tone arm have come loose as you can see in the images below. I don't know where to re solder them to.

Any help much appreciated!

H

 

sonavor
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sonavor replied on Mon, Apr 26 2021 2:28 AM

Here is a blog post I made last year of a Beogram 4002 phono cartridge connector replacement.
It shows the wiring you are asking about. The Beogram 4004 is the same as the one I show in the photos.

-sonavor

hammer_smyth
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Thank you so much, this is the underside photo I needed to confirm my guess. Tough soldering assignment ahead, but thank you!

sonavor
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sonavor replied on Mon, Apr 26 2021 3:45 AM

What I do is remove the tangential arm assembly from the spindle and rails...then turned it upside down to solder.  If you are good with a soldering iron and working from a mirror then doing it in place is possible. I just don't like to risk the hot soldering iron bumping something it shouldn't :-).

Go slowly and careful should be fine though.

Do you know how those two wires came off?  It is very unusual as there is nothing pulling on those wires. 

-sonavor

hammer_smyth
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I'm going to try the slow and steady approach with a mirror...wish me luck.

I was hunting for a problem and decided to check the tone arm. I think I pulled it back too far and dislodged these wires, which are shorter than the others. So, an unforced error on my part.

H

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