The Mellotron Group

Zen and the Art of Mellotron Maintenance eh?

So much for Lent.

Mark

PS Thanks for the kind comments on "And Beyond", there were 5 or 6
layers and it was phased, reverbed filtered and reversed!

On 2/26/12, lsf5275@aol.com <lsf5275@aol.com> wrote:
> With Mellotrons, as with Harley Davidsons, start with the simplest
> possibility and work your way up. Most of the problems are resolved at
> 'simple."
> Glad you found and fixed it.
>
> Frank
>
>
> In a message dated 2/25/2012 7:34:31 P.M. Eastern Standard Time,
> tron400@yahoo.com writes:
>
>
>
>
> Looks like it was one of the spring hooks that holds the head block in
> place. One of them was not in its hole.
>
> Bernie
>
> --- In _newmellotrongroup@yahoogroups.com_
> (mailto:newmellotrongroup@yahoogroups.com) ,  "tron400" <tron400@...> wrote:
>>
>> Wouldn't you know, it's  not acting up at the moment. I'll have to leave
> it running for a  while.
>>
>> Jerry put a new cable in when he refurbished it. The  old one had the
> screeching cable rot.
>>
>> BTW, anyone have an  empty frame laying around?
>>
>> Bernie
>>
>> --- In _newmellotrongroup@yahoogroups.com_
> (mailto:newmellotrongroup@yahoogroups.com) ,  lsf5275@ wrote:
>> >
>> > Good call Bruce... I didn't see your  post or I wouldn't have repeated
> the
>> > information.
>> >
>> > Frank
>> >
>> >
>> > In a message  dated 2/25/2012 1:30:16 A.M. Eastern Standard Time,
>> > pocotron@  writes:
>> >
>> >
>> >
>> >
>> >
>> > Hey Bernie-
>> > The headblock must remain electrically  isolated from the chassis to
>> > avoid this.
>> > Last time  this happened to me I had a missing headblock roller
> (previous
>> >  owner's fault, which I fixed). Therefore, the headblock was rubbing
> the
>> > chassis, which changed the hum when different tracks were  selected. A
> bad
>> > cable can also cause this problem, but it is  usually screechy(not good
> for
>> > tapes). Check the w-clips that  hold down the headblock, their
> centering
>> > washers may be off-set  or worn through, and may be causing the short.
> You may
>> > have to  remove the headblock to fix this one.
>> > The track selector  mechanism can also cause this short. However, if
>> > this is the  machine that Jerry Korb refurbished, he probably already
> fixed
>> >  this.
>> >
>> > Hope this helps, best of luck. More  sugar!
>> >
>> > -Bruce Daily
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>>  > From: john barrick <barrickjohn262@>
>> > To: _newmellotrongroup@yahoogroups.com_
> (mailto:newmellotrongroup@yahoogroups.com)
>> > Sent: Friday, February 24, 2012 1:55 PM
>> > Subject:  Re: [newmellotrongroup] Grounding Issue?
>> >
>> >
>>  >
>> >
>> >
>> > Try putting it in the C  position and then wiggle the cable a bit while
>> > playing a note.  That may reproduce it.
>> >
>> > On Fri, Feb 24, 2012 at 2:53  PM, john barrick <_barrickjohn262@_
>> > (mailto:barrickjohn262@)  > wrote:
>> >
>> > Maybe the cable going from the head  block to the preamp?
>> >
>> >
>> >
>> >  On Fri, Feb 24, 2012 at 2:45 PM, tron400 <_tron400@_
>> >  (mailto:tron400@) > wrote:
>> >
>> >
>> >
>> >
>> >
>> > #500 has had an intermittant hum for  a while now. I thought that maybe
> it
>> > was related to the volume  pedal jack, but I noticed yesterday that the
>> > volume of the hum  changes when I move the track selector. Track C
> doesn't seem
>> > to  have any hum, but Tracks A and B do. Any idea what the cause might
> be?
>>  >
>> > Bernie
>> > -
>> >
>> >
>>  >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> > john barrick
>> >
>>  >
>> > *Leo got it right the first time*
>> > *then he  added a second pickup and got it righter*
>>  >
>>
>
>
>
>
>