Dual 1229 Q - Operational Issues and Tonearm Behavior; Switch Lock and Lift Malfunctions

Fig.25
4b.
4
1$
Trouble
Last
record of
stack
keeps
repeating
Cause
Defective spindle
Remedy
Replace
spindle
Trouble
Records do not drop
Cause
Cam
rocker has too little travel
Remedy
Adjust eccentric so that
when the
three
supports in the automatic spindle are held
in and
the main cam is at neutral,
pres—
sing the
change screw moves the support
about 0.2 mm (1/64").
Trouble
Switch locks into "stop" position
when tone —
arm
im
at rest.
Cause
Too much
clearance between tab on switch
arm (188) and start lever (248)
Remedy
Adjust
tab on switch arm so that
it clears
start lever by
0.1 — 0.2 mm or 1/64" when
main cam in neutral
position
Trouble
Tonearm
will
not lift
away
from the
tonearm
rest
with mode
selector
in
"multi" posi—
tion
Cause
Equalizing arm
(210)
maladjusted.
Balance
plate (243)
at the
main lever
(184)
does
not
contact with
the
lifting bolt
Remedy
Adjust
equalizing arm on
the
eccentric piece
of the protecting plate so that with
the
main lever pushed down, the
balance plate
rests by a minimum of 0.6 — 0.8 mm on the
lift
bolt.
In the
"single"
position, the
lift bolt must slide along the balance pla—
te without
hindrance.
Fig.26
Fig.
27
15