[Jukebox-list] Seeburg 100 C "clicking noise"?

[Jay Hennigan]

Thomas Teeter wrote:

> He & I have tried to identify a problem with a clicking noise coming from
> the motor mechanism area, but I cannot pinpoint the exact location.  What I
> have been able to determine is the clicking only happens while a record is
> playing (on either side), but stops while the record is returning to its
> slot, even though the motor side mechanism is still turning.  This leads me
> to believe the noise is originating from the left side of the record, which
> does stop turning when the record is returned to the slot.
> I can temporarily stop the clicking by "ever so slightly" rotating the
> entire mechanism, but when the next records begins the clicking starts
> again.  I fear this noise is a sign that damage is occurring and wish to
> solve the problem.

It sounds like the clutch is either sticky or mis-adjusted.  This is 
behind the mech, adjacent to the record rack.  There is a pin that runs 
through the middle of the vertical clutch shaft.  While playing a 
record, this pin should be clear of the upper and lower clutch 
assemblies.  During scan and transfer, the pin couples the motor to the 
appropriate mechanism for either moving the carriage or transferring the 
record.  The pin is probably dragging against one or the other causing 
the clicking.

It is probably very gummed up from 50-plus years of old lubricants.  To 
fix it correctly involves removing, degreasing, and re-lubricating the 
mech.

> In addition, there a few slots which do not work in the pin bank.

The correct fix here is disassembly and cleaning.  Do this in a clean 
area over an old white sheet or similar as it is easy to lose the small 
contact washers, springs, and pins.

Has the amplifier been serviced recently?  If not, the next question 
will be about hum, distorted sound, and the expensive smell of burning 
transformer.

--
Jay Hennigan - CCIE #7880 - Network Engineering - jay at impulse.net
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