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

 

Avant 32 internal pinout / Signals

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Twisty
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Twisty Posted: Mon, Jan 12 2015 2:15 AM

Hello Beoworld.

I've just got an Avant 32 VCR mkIII and I am trying to remove the CRT from it and generally trim it down a bit so I can use it as a rotating stand with speakers for my flat panel TV.

There are some things which can only be configured through the menu interface on the TV (e.g. bass, treble, loudness). So i'm trying to work out if I can get get either the menu overlay out as a component / RGB signal from somewhere on the main PCB? I was wondering if I could connect directly into the deflection header!?

Appreciate any help

Twisty
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Twisty replied on Tue, Jan 13 2015 12:32 AM

Ok... I've done some poking and now I realise that the system will only power on when intact, I don't suppose it is easy to spoof the umpteen OK signals which are no dowbt required?

So my backup plan is just to get the speakers and amp working standalone.

Looking at the power amp it appears to work as follows.

The supply comes in on twinflex +40V DC (-20V +20v).

Am I right in thinking the connection to the mainboard is as follows?

Pin 1 - 7V power on, 0V mute

Pin 2 - GND

Pin 3 - Audio Signal

Pin 4 - Gnd

Then obviously the speaker is driven active bi-amp style.

If that is right then hopefully it shouldn't be too hard to make this into a speaker unit.

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