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Author Topic: Filter mode knob doesn't work  (Read 34798 times)

sslneve

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Filter mode knob doesn't work
« on: October 21, 2013, 04:50:58 am »
Hello folks,
My minibrute was doing all good, but yesterday suddenly the Filter mode knob (LP/BP/HP/NOTCH) behaviors not working.
LP/BP/HP position, there will be no sound.
only Notch filter mode the sound would be.
Please help me. I tried fresh firmware update (1.0.21 -> 1.0.21) but it was no good.
thanks in advance.

stevism

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Re: Filter mode knob doesn't work
« Reply #1 on: October 21, 2013, 11:54:56 pm »
take a picture of your front panel and upload it.

it sounds like you have a problem with your patch, NOT with your hardware.

but you never know

teetwas

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Re: Filter mode knob doesn't work
« Reply #2 on: January 25, 2014, 05:40:57 am »
I am having the same problem. Anybody else have something like this happening?

sslneve

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Re: Filter mode knob doesn't work
« Reply #3 on: February 01, 2014, 04:19:09 pm »
Bump
Anyone has resolved this issue? please help me.
Mine is still not working :(

stevism

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Re: Filter mode knob doesn't work
« Reply #4 on: February 02, 2014, 03:19:00 am »
take a picture and upload it...it's 99% likely that it's user error.

this is not an issue that has been widely reported...and when stuff like it has been mentioned it turns out to be a simple fix based on the patch , etc.

just take a pic and upload it...

sslneve

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Re: Filter mode knob doesn't work
« Reply #5 on: February 02, 2014, 07:04:19 pm »
http://www.mediafire.com/download/u0za2cqaazpe396/5030.jpg

Please right-click to save the pic.

This is the patch I've tried.

It would sound perfectly at 'Notch' filter position, but on LP-BP-HP mode, it produces nothing.

Two envelope LEDs are flashing, so I found that my internal keyboards cable connection is OK.

please help..
« Last Edit: February 05, 2014, 03:41:47 pm by sslneve »

sslneve

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Re: Filter mode knob doesn't work
« Reply #6 on: February 06, 2014, 11:14:46 am »
help?

T3k

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Re: Filter mode knob doesn't work
« Reply #7 on: February 06, 2014, 03:22:42 pm »
sslneve,

I tried your patch. (Sounds great!)

Filter mode knob works as expected and changes the sound.

If you were to start with a totally simple patch - the saw with no filter envelope, 50% cutoff, 50% res - and change the filter mode, do you hear anything on LP, DP, HP? Or is only notch working on all patches?

When you say you get nothing, is it total silence? Can you hear the amp clicking, any of the oscillators?

The mode knob is not not something that firmware should affect - I believe the modes are analog, hardwired to the selector knob.

I think if you've tried everything and only Notch produces sound, you need to get a support ticket started.

sslneve

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Re: Filter mode knob doesn't work
« Reply #8 on: February 06, 2014, 06:07:07 pm »
sslneve,

I tried your patch. (Sounds great!)

Filter mode knob works as expected and changes the sound.

If you were to start with a totally simple patch - the saw with no filter envelope, 50% cutoff, 50% res - and change the filter mode, do you hear anything on LP, DP, HP? Or is only notch working on all patches?

When you say you get nothing, is it total silence? Can you hear the amp clicking, any of the oscillators?

The mode knob is not not something that firmware should affect - I believe the modes are analog, hardwired to the selector knob.

I think if you've tried everything and only Notch produces sound, you need to get a support ticket started.
Thank you for kind support!
I've tried your basic patch. The result was same. No sound on LP-BP-HP position.
And I found that it is not total silence. The led on my analog mixer was lit a little bit (very small signal) when I heard nothing with my ears.
I think this is an obvious hardware issue.
I'm aware of the keyboard problem (which can be solved by re-connect internal cable), but this issue makes me very frustrated..
Actually I can't contact any authorized technician on my location..
More ideas on this? I really wanna sort this out..
So desperate..

T3k

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Re: Filter mode knob doesn't work
« Reply #9 on: February 06, 2014, 10:08:09 pm »
If you've already opened the MiniBrute up and tightened cables, I'm not sure if there's anything else user-servicable.

The filter mode knob has 4 detents (the click where the filter modes made contact) and dead space between them, so you can't select 2 modes at the same time.

When the mode knob is forced into dead space between filter types, the audio path is normally bypassed. I can hear faint clicking, but no real audio.

Is it possible your mode knob is somehow damaged or shorted? Can you look at the PCB near the mode knob for anything visually damaged? (Like a keyboard weight that got into the circuit area, or corrosion?)

Someone with a soldering iron and a clue please chime in!

T3k

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Re: Filter mode knob doesn't work
« Reply #10 on: February 06, 2014, 10:15:40 pm »
4th from top right - anyone know if that is that a trimpot next to mode?

http://medias.audiofanzine.com/images/normal/arturia-minibrute-354027.jpg

sslneve

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Re: Filter mode knob doesn't work
« Reply #11 on: February 06, 2014, 11:56:47 pm »
If you've already opened the MiniBrute up and tightened cables, I'm not sure if there's anything else user-servicable.

The filter mode knob has 4 detents (the click where the filter modes made contact) and dead space between them, so you can't select 2 modes at the same time.

When the mode knob is forced into dead space between filter types, the audio path is normally bypassed. I can hear faint clicking, but no real audio.

Is it possible your mode knob is somehow damaged or shorted? Can you look at the PCB near the mode knob for anything visually damaged? (Like a keyboard weight that got into the circuit area, or corrosion?)

Someone with a soldering iron and a clue please chime in!
T3k, thanks again.
I confirmed that Filter knob itself is totally detented and cannot be on 'dead' position naturally..
I didn't drop the unit to the ground, and of course there was no shock or impact.
Strange thing is, my Minibrute was so fresh and rock solid at first..
Maybe I have to open the bottom and look into the circuit board which you pointed. What a disaster..
Feeling so much pain..

sslneve

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Re: Filter mode knob doesn't work
« Reply #12 on: February 07, 2014, 07:53:54 pm »
Arturia support team, please?

stevism

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Re: Filter mode knob doesn't work
« Reply #13 on: February 07, 2014, 09:33:52 pm »
hey sorry i didn't reply sooner.

yeah there's nothing wrong with that patch...

just another case of faulty minibrute. and i haven't heard great things about sending arturia units in for repairs recently....doesn't look good / idk what to say.

open a ticket with them and goodluck

Ged Denton

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Re: Filter mode knob doesn't work
« Reply #14 on: June 01, 2014, 10:44:50 pm »
sslneve - i have exactly the same problem. If you do get to the bottom of it, please share. Good luck!
I opened a ticket and am waaaaaiiitiiiiing.


 

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