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∗
>> >
>>
>
>
>
>
>