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Re: MC-202 problems

by David Chang-6 :: Rate this Message:

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Yes I have tried this, but the hum always appears.  Also, previously when I
was not using batteries and only a PSU, the hum was never there.  This is
definitely a new problem that was not present before.
David

On Sun, Jun 28, 2009 at 2:04 AM, lucidsound <lucidsound@...> wrote:

> Are you using batteries or an external PSU?  With hum problems it's always
> a good idea to run the synth on batteries to check the power supply isn't at
> fault.
>
> HTH
>
> Lucid.
>
> ----- Original Message ----- From: "David Chang" <changmaster@...>
> To: <analogue@...>
> Sent: Sunday, June 28, 2009 3:46 AM
> Subject: [AH] MC-202 problems
>
>
>
>  Hey AH,
>> It seems that my MC-202 is experiencing problems.  I fired up the unit
>> this
>> afternoon and after pressing the power button there is a hum that seems to
>> appear (never did before).  It seems to go away after I press several
>> notes
>> on the mini keyboard.  The problem also seems to correct itself after I
>> switch the ENV settings to GATE.  Wondering if any of you have experienced
>> any similar problems?  I'm thinking the CEM3340 or Roland VCA chip may be
>> faulty.  Any ideas on how to determine the cause of the problem and how I
>> can fix this?
>>
>> Thanks
>> D
>>
>>
>

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