#1861028 - 08/22/23 05:53 AM
No output of recorded tracks
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NorthWestWind
Planeteer
Registered: 05/29/05
Posts: 268
Loc: Minnesota
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I have two units synced via midi cables and coaxial in and out.
I can see meter movement of tracks recorded on unit #2, but I see no meter movement of tracks recorded on unit #1. I also hear no output. I have the monitor outs (7 & 8) routed to a Mackie Big Knob's DAW Mix yet I see no meter signal on the Big Knob's input meter. This setup has worked before many times. It's been a while since I fired this up. I also notice both units show that the batteries need replacement. Is this the cause?
Any help will be appreciated, thanks.
NWW
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#1861043 - 08/22/23 03:50 PM
Re: No output of recorded tracks
[Re: NorthWestWind]
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dkfackler
Planeteer
Registered: 04/24/06
Posts: 689
Loc: Coventry, OH, planet Thulcandr...
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Unlikely, but change the batteries anyway.
Lack of meter deflection/track playback can be a classic symptom of capacitor failure.
Crackling during playback can be an early warning of cap failure If you’re handy with a solder iron, you can do the recap yourself.
~dk
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#1861071 - 08/22/23 08:56 PM
Re: No output of recorded tracks
[Re: dkfackler]
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NorthWestWind
Planeteer
Registered: 05/29/05
Posts: 268
Loc: Minnesota
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Thanks dkfackler,
I was able to get playback after doing a re-load of the current project. But yes, I have crackling during playback, so I believe I have the cap issue.
I don't think I could do the recap myself. I have other 2480's, so at this point, I'll likely use the best one.
I have three -3 cards in a unit with crackle, I'll likely move them to the best machine I have.
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#1861121 - 08/23/23 11:14 AM
Re: No output of recorded tracks
[Re: NorthWestWind]
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Catweazle
Planeteer
Registered: 06/06/20
Posts: 231
Loc: Stockholm Sweden
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As you have two VS linked, check that "COAXIAL IN" is on in VS #1 ( Master VS )
under "UTILITY" --> "PROJECT PARAMETER".
If not "on" there will be "snap, crackle and pop" when you play or record ....
If you un-link your VS's and play them one by one and still have crackles,
then there's probably the capacitors 
Cheers !
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#1861171 - 08/23/23 05:15 PM
Re: No output of recorded tracks
[Re: Catweazle]
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NorthWestWind
Planeteer
Registered: 05/29/05
Posts: 268
Loc: Minnesota
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I went through all the internal settings (like coaxial in), several times, to make sure I had it correct.
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#1861391 - 08/24/23 09:31 PM
Re: No output of recorded tracks
[Re: NorthWestWind]
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dkfackler
Planeteer
Registered: 04/24/06
Posts: 689
Loc: Coventry, OH, planet Thulcandr...
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Needing to reload a song to get playback can be symptomatic of failing caps as well. That was the case with one of mine. Recap fixed all.
dk
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#1861426 - 08/25/23 04:22 AM
Re: No output of recorded tracks
[Re: dkfackler]
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NorthWestWind
Planeteer
Registered: 05/29/05
Posts: 268
Loc: Minnesota
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I agree.
Did you do the recap yourself?
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#1861536 - 08/25/23 11:03 PM
Re: No output of recorded tracks
[Re: NorthWestWind]
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dkfackler
Planeteer
Registered: 04/24/06
Posts: 689
Loc: Coventry, OH, planet Thulcandr...
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I agree.
Did you do the recap yourself?
Yes. It’s not difficult. IIRC, there are 48 100uf6v electrolytics to replace. I used 100uf16v radial lead caps; cutting the leads and bending to 90-deg to solder onto the original PCB pads. Do one at a time and go slowly. It took a couple hours. The main board does not have to come out. I had a list of which caps(by number) on the main board to replace. It’s in the 2480 Service Notes.
~dk
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#1861620 - 08/26/23 10:08 AM
Re: No output of recorded tracks
[Re: dkfackler]
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Catweazle
Planeteer
Registered: 06/06/20
Posts: 231
Loc: Stockholm Sweden
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I agree.
Did you do the recap yourself? Yes. It’s not difficult. IIRC, there are 48 100uf6v electrolytics to replace. I used 100uf16v radial lead caps; cutting the leads and bending to 90-deg to solder onto the original PCB pads. Do one at a time and go slowly. It took a couple hours. The main board does not have to come out. I had a list of which caps(by number) on the main board to replace. It’s in the 2480 Service Notes. ~dk
Does that mean there's other caps on the main board that don't need to be replaced ??
Or is 48 the total number of caps ?
( Asking for a friend  )
Cheers !
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#1861629 - 08/26/23 11:47 AM
Re: No output of recorded tracks
[Re: Catweazle]
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dkfackler
Planeteer
Registered: 04/24/06
Posts: 689
Loc: Coventry, OH, planet Thulcandr...
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IIRC, there are a few others(three 220uf, maybe others), but I replaced only the 100uf6v values, based on the experiences of other Planeteers.
A Tip: you will see a cap removal process in which pliers are used to twist the old caps from their solder pads. I don’t recommend this as the PCB pads are fragile. Unsoldering, although much slower, is safer.
~dk
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#1861742 - 08/27/23 03:50 AM
Re: No output of recorded tracks
[Re: dkfackler]
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FalconEddy
Retired Mastering Marvel
Planeteer
Registered: 10/16/01
Posts: 10372
Loc: Litchfield, NH, USA
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IIRC, there are a few others(three 220uf, maybe others), but I replaced only the 100uf6v values, based on the experiences of other Planeteers.
A Tip: you will see a cap removal process in which pliers are used to twist the old caps from their solder pads. I don’t recommend this as the PCB pads are fragile. Unsoldering, although much slower, is safer.
~dk
GEEZUS H. K.REIST!!!
I absolutely agree 1000%. ESPECIALLY being subjected to 20 (or so) years of use.
You might cough on these PCB's and risk snapping them accidentally.   
Ok, THAT's actually a bit of an extreme statement; but you get my drift, correct???
. . Falcon
_________________________
. . . but, what do I know?
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#1864223 - 09/15/23 01:33 PM
Re: No output of recorded tracks
[Re: FalconEddy]
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MrChucky7
MrChucky7
Space Cadet
Registered: 03/03/18
Posts: 24
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I'm having the same problem but I'm not too sure if I myself would try to do this replacement. I may turn my 2480 into a paperweight, is there anyone that you may recommend to do the work? I'm willing to pay for the service. Thanks.
_________________________
Deu:28.
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#1864448 - 09/17/23 12:35 PM
Re: No output of recorded tracks
[Re: MrChucky7]
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dkfackler
Planeteer
Registered: 04/24/06
Posts: 689
Loc: Coventry, OH, planet Thulcandr...
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I imagine a local electronics repair shop could do this.
PM if you like the list of caps to swap. Each one has a unique number on the board.
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