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Tascam 238s - bad recording track

Track 1 plays things I've already recorded just fine. But now when I try to record new material on track 1, I get mostly crackling, scratching, poping noises. I read somewhere to try removing and reinserting the channel card. This didn't do anything. All other track still record and playback correctly.

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Re: Tascam 238s - bad recording track

Hi Folks, I think the problem on Tascam 238S-Decks
are bad cheap electrolyte Capacitors. Acid gets out an destroys the solder points and PCB tracks.
I found some smeary liquid an the PCB, where it is affected.

You also find bad leaking caps on the Korg workstation W/01-fd.
good luck, Jo.

Posted on Apr 17, 2010

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Re: Tascam 238s - bad recording track

Hi,You should get a copy of the schematic and a scope and meter and trace the signal flow.This is assuming that the power supply lines and switches are all ok.Usually a switch is tarnished, sprung or just simply dirty.first clean all contact fingers,switches and check ALL connectors and clean them. Transistors and chips rarely go except from age and manufacturing.It's most likely somethig simple like dirt or tarnish.Try GENTLY rocking each connector and MAYBE cleaning with tuner tonic
or alcohol. If Switching or crosspoint chips are used, measure control pins versus input and output pins. I can not stress enough logical and methodical troubleshooting technique to solve the problem Best of sucess,Mike

Posted on Dec 24, 2008

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Re: Tascam 238s - bad recording track

Sounds like record play switching problems. Spray the record play switch internally with crc 2-26 and operate 20 or so times to work in the good stuff.

Posted on Dec 09, 2007

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