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Author Topic: MTR90 MKII L - Recording Clicks  (Read 4210 times)

Dave Hecht

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Re: MTR90 MKII L - Recording Clicks
« Reply #15 on: January 01, 2008, 04:26:16 AM »

Spoke with a friend of mine who used to be the Otari Tech here in LA. Cleaning the molex connectors was one of the things he mentioned. He also suggested checking for burn marks or melting around the molex connectors. Apparently, there were some issues with questionable crimps becoming resistive and heating up. Also, what lot number / serial number is your machine? He also mentioned some factory update relating to this type of issue on some lots.

Dave Hecht
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cdnaudio

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Re: MTR90 MKII L - Recording Clicks
« Reply #16 on: January 28, 2008, 12:08:15 AM »

Thanks for your help everyone... cleaning the molex connectors with Deoxit 5 made the clicks go away, and I'd swear the machine is running quieter. Couldn't be working better.

Thanks again.
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amorris

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Re: MTR90 MKII L - Recording Clicks
« Reply #17 on: January 28, 2008, 03:55:01 PM »

Nice.. Dave, any explanations as to what is happening?
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cdnaudio

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Re: MTR90 MKII L - Recording Clicks
« Reply #18 on: June 14, 2008, 11:25:24 PM »

Opening this thread up again, thanks everyone for your help last time.

My "random static recording on all tracks" problem has recurred after 6 months... I've tried cleaning and lubing the molex connectors but it hasn't worked this time. Haven't cleaned the head connections yet.

The machine has been powered up most of the 6 months it's been in use and has been running great until today.

Any other ideas besides the ones that have come up so far?

I'm going to make sure I've cleaned all the appropriate power connections in the mean time.

Thanks in advance!
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amorris

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Re: MTR90 MKII L - Recording Clicks
« Reply #19 on: June 17, 2008, 10:24:24 AM »

you need to probe around while this is happening. youll see it. then work upstream to find the source.
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cdnaudio

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Re: MTR90 MKII L - Recording Clicks
« Reply #20 on: June 17, 2008, 11:10:45 AM »

Fixed again.

I've been mixing more than recording lately and I could be wrong here, but it seems like the machine is happiest when it's working.

I cleaned all the molex connectors and the D subs that connect the heads... didn't immediately fix it.

Then I erased 4 reels of tape. Clicks were gone.

So we're good for now. If anyone has any input to add it is more than welcome.

Thanks!
Bob


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compasspnt

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Re: MTR90 MKII L - Recording Clicks
« Reply #21 on: June 20, 2008, 10:36:33 PM »

What has happened with this MTR-90 issue over the last six months?
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cdnaudio

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Re: MTR90 MKII L - Recording Clicks
« Reply #22 on: June 30, 2008, 07:21:12 AM »

Cleaning the molex connectors and letting it run for a while fixed the problem both times it came up within the 6 months.

When the machine is running, it's running perfectly. Sounds great.

I suspect the problem recurred as I hadn't been recording for a month or so, mostly mixing. Though I did clean the connectors again, the problem didn't actually go away until I erased a few reels... so best I can figure it's happier when it's working.

I suppose this could mean a capacitor problem on the horizon, I'm not sure... but the machine is working fine now.

Thanks for asking.

Bob
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