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91
4K,6K,8K Series / Wet dry mod
« Last post by christiancarvin on June 05, 2021, 09:52:10 PM »
Hello!

Does anyone has tried to make a wet dry mod (that can mix with and without insert) with the pot front center back?
Please let me know about it if so :)

Thanks!
92
4K,6K,8K Series / Re: issues with vca group 6 and 8
« Last post by christiancarvin on June 04, 2021, 10:47:16 AM »
Thanks for your reply Anthony,

I've checked it: That's exactly 0 to 5V on pin 1 as I move the fader, and 5V constant on pin 2 on faders 6 and 8.
It is very tricky

93
4K,6K,8K Series / Re: issues with vca group 6 and 8
« Last post by horizonsound on June 04, 2021, 09:19:36 AM »
Should not be too difficult, the circuit is very simple.

0v = fader at maximum, and +10v = "CUT". You are not seeing any control voltages going through fader 6 & 8.

Can you measure to see if you are getting a constant 5v on pin 2 of your 20 way ribbon cable to the fader.
Pin 1 should vary between 0-5v as you move the fader with 0v at maximum, and +5v at fader minimum.

Anthony.
94
4K,6K,8K Series / Re: issues with vca group 6 and 8
« Last post by christiancarvin on June 04, 2021, 06:22:04 AM »
I've exchanged the opamps, the problem is still here. I don't have extender card for the central section. I also exchanged RA  and RB and checked R1,R2,R3,R4,R5,R6,R7,R8...still the same!

It's a tough one!
95
4K,6K,8K Series / SSL 6000E Meters on Line In / Mic In
« Last post by murphster_matt on June 04, 2021, 12:11:17 AM »
Hello Peeps!

So I am building my dream console. I currently have 16 6000E Channels all running nicely, no centre section but piped directly into my SSL Sigma summing box (2 buses with Inserts and DAW Automation!! ;D) and sounding very nice indeed.

I have some more frame bits to build a 19" centre section for my master bus racks and DAW controller and another 8 Channels & bucket on the way :)

So here is my golden question:

I only have a 4000G Service Manual and the subtle differences are confusing me a little.

It looks like my 6000E channels have no VCA to Meter option, I know I am missing the button on the centre section but I cannot figure out how I could wire such an option per channel either.

BUT MOST IMPORTANT, I can only get the meters to measure TAPE IN (Default Green Light) or Group In (Orange Light). I asked a reliable source who informed me that the E series 4000/6000 didn't have any other options and even the VCA to meters was first introduced on the G series  :'(

I can't find any schematics which can shed any light on if I had any other options, but I really would like to get the VU meters to display Line In and ideally also Mic In, since these are my main inputs. I could use Tape/Group for mixdown but then I am limited in EQ-DYN order in the monitor path.

Anyone got some experience, schematics and great ideas to help me out please  :)

All the best!

Matt (A very happy SSL owner)

96
4K,6K,8K Series / Re: issues with vca group 6 and 8
« Last post by horizonsound on June 03, 2021, 10:53:35 PM »
Ah OK, older version E20 card.

Might be the op amps associated with those channels. Channel 6 & 8 share the same chip.
If you don't have spare, switch T2, T4 and T6 with T1, T3 and T5 respectively, and see if the issues follows the chips.
Sometimes reseating the chips will fix the issue.

I suppose you don't have an extender card?

Anthony.
97
4K,6K,8K Series / Re: issues with vca group 6 and 8
« Last post by christiancarvin on June 03, 2021, 03:33:04 PM »
Thanks Anthony,

I've checked R22 and R24 and they are ok. I can't use the computer.
As you can see on the picture, there are no T15, T27, T17, T28, R60, R24... Did I miss something?






98
4K,6K,8K Series / Re: issues with vca group 6 and 8
« Last post by horizonsound on June 03, 2021, 09:03:22 AM »
Check the fusing resistors on the 82E20 card which would be R22, R60 (Ch 6) and R24, R62 (Ch8).
I've had these blow out, along with the associated transistors, T15, T27, and T17, T28.

This part of the circuit controls the voltage to the VCA bus.

If you have a computer, run !TES and see if the computer responds to the VCA faders under the Input test page.

Anthony.
99
4K,6K,8K Series / Re: issues with vca group 6 and 8
« Last post by christiancarvin on June 03, 2021, 08:31:58 AM »
I have tested capacitors and diodes on 80E20 (VCA faders and mutes card) and they are ok...
100
Sell-Buy / Re: Misc parts needed to complete project console.
« Last post by Kprellz on June 03, 2021, 03:22:43 AM »
Thanks so much guys!!!! Donít suppose anyone also has a whole bunch of MRAC pins they would sell me. eBay hasnít been much luck and canít find a place that has stock for a reasonable price. Need to redo both mracs. Got the housing from Winchester interconnec 104H
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