Seeburg LS 1 - Pickup Balance Adjustment

SERVICE MANUAL
20. 22
SELECT.O.MATIC
MECHANISM
AD'USTMENTS
,.PICKUP
12"
.
PICKUP
BALANCE
ADJUSTMENT
This Adjustment
results
in
proper
balancing
of the
Pickup Arm
and
Ctadle
Assembly and
assures maximum
recotd and
needle life.
Page
E
NOTE: Belorc
mdking
,bis |diustmenl:
l
Check
Ctadle Pivots
for biods.
There
should
be
no play
but the
Arm and
Cradle
should
rrove
freelY on
the
Pivots,
2. Check
Pickup
lead
to
be sute
it
hangs
freely
below
Cradle
and does
oot
touch
the carriage
or at
aoy
place
aloog
the base
r:asting.
Place
mechaoism
io PLAY
positioo
with
a
record
clamped
on
Flywheel
aod
turn
off
power.
Remove
both
Needle
Pressure Springs.
Adjust
the
position of
the
pickup arm
counter-veight
so the arm
is
"in
balance"
at the
record cut-off
groove aod at a
point 1" in
from the outer
edge
of
the
record,
Check the
balance by holding
the
pick-
up 1,/8 iflch
to
1,/4
inch from
the record,
releasiag carefully, and
observing
the
DIRECTION in which it
moves.
Ignore
the slow movement
to*'ard or away
ftom
the record sutface.
There should
be no
ifi or out mo'gement
(toward
or
away
from
the
record
center). In or out
moverDent
indicates
that the
pickup arm is
not
"io
balance"
ac
the
point
of
check
aod
requires adiustment
of the
couater-
veight
position.
Replace oeedle prcssure
springs
and
check
"Pickup
13"
adjustment.