8mm Forum: Elf RT1 - Amplifier maintenance question / advice

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Topic: Elf RT1 - Amplifier maintenance question / advice

Can Sanalan
Expert Film Handler

Posts: 130
From: London, United Kingdom
Registered: Jul 2017

posted November 01, 2017 05:06 PM

Hello,

My 16mm Elf RT1 has the infamous crackling volume issue and on searching I can came across a website that instructs on how to fix it:

http://www.reeldeals.com.au/eiki/eiki.htm

"First, remove the flywheel by unscrewing its retaining screw – (it may be necessary to grasp the sound drum from the front of the machine if the screw is tight) Then unplug the 3.5mm plug to the solar cell and the 9-pin power connector plug."

My question is after I've removed the flywheel I can't tell what or where the "3.5mm plug...and the 9-pin power connector" are located.
Could anybody shed light or describe where and what exactly should I be looking for please? Unfortunately there's no clear photos on the site.

Also as a lubricant for the volume pot I'm thinking of using DeOxit D5, as that was what's been advised on other forums for such work.

Thank you

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Jose Artiles
Master Film Handler

Posts: 357
From: Spain
Registered: Oct 2005

posted November 01, 2017 06:08 PM

Hi! you can locate the 3.5mm plug marked on this photo

The 9 pin power conector is jut the conection at the end of the grey cable that the amplifier have,you must pull very very carefull to disconect it just like plug and play.

--------------------
As Steven Spielberg says....
Nothing beats old school projection. Digital is just an imitation.

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Can Sanalan
Expert Film Handler

Posts: 130
From: London, United Kingdom
Registered: Jul 2017

posted November 02, 2017 04:37 AM

Thank you Jose for your quick reply.
Seems like it's literally just behind the flywheel, staring me in the face.

I'll have a look when I get back home tonight.

Thanks again

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Maurice Leakey
Film God

Posts: 5895
From: Bristol. United Kingdom
Registered: Oct 2007

posted November 02, 2017 05:12 AM

Can
£25 for a can of De-Oxit D5 from UK Amazon, or, you can try a free method of fixing the crackling volume control.
Just operate the knob a number of times, backwards and forwards, with the speaker connected (so that you can judge when the noise goes).
The movement of the slider over the carbon track should self lubricate and clear the crackle.
Try it before you start to take out the amplifier.

--------------------
Maurice

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Can Sanalan
Expert Film Handler

Posts: 130
From: London, United Kingdom
Registered: Jul 2017

posted November 03, 2017 08:05 PM

Thank you Maurice for your advice.

I'll try what you suggested first before I get too deep into taking apart the Elf.

Cheers,
C.

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