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Author Topic: MP-2 Help!! Pics included...  (Read 4878 times)

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Offline aberg

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MP-2 Help!! Pics included...
« on: November 18, 2005, 07:08:21 PM »
I have an MP-2 which I just picked up and it isn't working. I opened it up to inspect and here's what I found. Some strange blue jumpers soldered in place, clearly after the fact. Anybody know what these might be here for?



« Last Edit: November 18, 2005, 07:32:19 PM by aberg83 »

Offline aberg

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Re: MP-2 Help!! Pics included...
« Reply #1 on: November 18, 2005, 07:32:27 PM »
bump...

Offline Chris K

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Re: MP-2 Help!! Pics included...
« Reply #2 on: November 18, 2005, 07:46:28 PM »
if i were in your position i would send these pix to sound devises service department. they may be able to help. i have never opened my mp-2 up to see inside. maybe that is on all of them but i doubt it.
My gear: JK Labs AKG DVC > M10
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Offline aberg

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Re: MP-2 Help!! Pics included...
« Reply #3 on: November 18, 2005, 07:51:33 PM »
I just sent them in an email to SD. Hopefully they can shed some light on this. I'm so tempted to cut the wires and my guess is that full functionality will be restored, however, I'm scared to try it even though I could solder them back together if it didn't work.

Offline Chris K

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Re: MP-2 Help!! Pics included...
« Reply #4 on: November 18, 2005, 07:56:01 PM »
did you ask who you bought it from what was up?
My gear: JK Labs AKG DVC > M10
              AKG 460 ck61/ck62/ck63 > DR-70D
             
A live concert to me is exciting because of all the electricity that is generated in the crowd and on stage. It's my favorite part of the business, live concerts.
-Elvis Presley

Offline aberg

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Re: MP-2 Help!! Pics included...
« Reply #5 on: November 18, 2005, 07:56:45 PM »
Yeah, we've been investigating it today.

Offline Chris K

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Re: MP-2 Help!! Pics included...
« Reply #6 on: November 18, 2005, 08:12:05 PM »
good luck. report back your findings.

holding my mp-2 now. i wouldnt even know where to start to open this thing up  :P
My gear: JK Labs AKG DVC > M10
              AKG 460 ck61/ck62/ck63 > DR-70D
             
A live concert to me is exciting because of all the electricity that is generated in the crowd and on stage. It's my favorite part of the business, live concerts.
-Elvis Presley

Offline aberg

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Re: MP-2 Help!! Pics included...
« Reply #7 on: November 18, 2005, 08:13:16 PM »
good luck. report back your findings.

holding my mp-2 now. i wouldnt even know where to start to open this thing up  :P

It's actually really easy. You just have to take all the screws out on the input side, and then just the 4 corner screws on the output side, and it can then slide open. In fact, if you wouldn't mind looking at it for me, that would be helpful.

Offline poorlyconditioned

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Re: MP-2 Help!! Pics included...
« Reply #8 on: November 18, 2005, 08:36:10 PM »
good luck. report back your findings.

holding my mp-2 now. i wouldnt even know where to start to open this thing up  :P

It's actually really easy. You just have to take all the screws out on the input side, and then just the 4 corner screws on the output side, and it can then slide open. In fact, if you wouldn't mind looking at it for me, that would be helpful.

Hey, I agree if you just bought the thing, you should be returning it.  $400 or whatever is a lot of money to be playing with, even for a slut like you :)

Oh, but while you've got it open, would you mind taking some naked photos?  Show us the transformers!

  Richard
Mics: Sennheiser MKE2002 (dummy head), Studio Projects C4, AT825 (unmodded), AT822 franken mic (x2), AT853(hc,c,sc,o), Senn. MKE2, Senn MKE40, Shure MX183/5, CA Cards, homebrew Panasonic and Transsound capsules.
Pre/ADC: Presonus Firepod & Firebox, DMIC20(x2), UA5(poorly-modded, AD8620+AD8512opamps), VX440
Recorders: Edirol R4, R09, IBM X24 laptop, NJB3(x2), HiMD(x2), MD(1).
** This individual has moved to user "illconditioned" **

Offline aberg

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Re: MP-2 Help!! Pics included...
« Reply #9 on: November 18, 2005, 08:38:46 PM »
The transformers actually aren't too impressive. They're wrapped in plastic. Just big blocks really on the board. I already put the camera away for now. Maybe I can take some shots a little later.

Offline bdasilva

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Re: MP-2 Help!! Pics included...
« Reply #10 on: November 18, 2005, 08:43:50 PM »
The short blue wire goes to ground on the "lm393"... and to a cap.(Ground side?)  The other wire soldered with the glue near each end is standered repair or engineering change type work... Though they look bad I'll bet these are not the problem. You get no lights at all?  internal or external power?
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Offline aberg

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Re: MP-2 Help!! Pics included...
« Reply #11 on: November 18, 2005, 08:44:50 PM »
I get the green power LED with internals.... but no meters and nothing from the outputs... can't try external power since I don't yet have the right cable.

Any suggestions?

Offline drewloo

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Re: MP-2 Help!! Pics included...
« Reply #12 on: November 18, 2005, 08:49:09 PM »
Here's mine: 

You can't be a real country unless you have a beer and an airline - it helps if you have some kind of a football team, or some nuclear weapons, but at the very least you need a beer.  -FZ

Offline aberg

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Re: MP-2 Help!! Pics included...
« Reply #13 on: November 18, 2005, 08:51:16 PM »
thanks... so i guess those blue jumpers aren't originally supposed to be there.

If they were part of a SD repair, then I can see that.

I wish I knew what was going on here.  ???

Offline bdasilva

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Re: MP-2 Help!! Pics included...
« Reply #14 on: November 18, 2005, 09:01:27 PM »
the long blue wire looks like a change... The shorter one is  an ugly fix when the 393(s) were changed. The numbers on the 2nd PCB most likely show that the other MP2 is on a later cut of the board and that is likely where the longer wire went.
Cad E300S set.. AT822  AKG C 414 B-XLS/ST  
Dorsey-Mod MK-012 w/ O, C, H and RED L/D Caps
Superlux S502 ORTF   LSD2
Silverpath  Cables> 
Tascam DR-680MKii    DR- 680 (X2)   Tascam DR-40     Sound Devices USBPre    SONY  PMD-M10   Zoom F8

"Buy a Taper a Drink... Prime the Pumps of live Music"


               On the "music" side of the "Music Business"

 

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