Dual 1010 - Trouble shooting; Tonearm returns to its rest position after playing each record; Record is not played to the end

Trouble shooting
Symptom
Cause
Remedy
Tonearm returns to its rest
position after playing each record
Tonearm continues to run in
shut-off grooves after playing
record
Record is not played to the end
Change cycle keeps repeating
Last record keeps repeating
Acoustic feedback
Engagement between
change lever (153) and cam
follower (143) is too great
a) Shut-off groove missing or
defective
b) Shut-off mechanism
triggered too late
Shut-off mechanism
triggered too soon
Start lever (216) does not
have sufficient overtravel
Engagement between change
lever (153) and cam follower
(143) is too little
a) Parts of the chassis
(for example, junction board)
touching the mounting board
b) Connecting leads pulled too
tight
1]
a)
b)
b)
Re-adjust change lever (153) so that with record
on and spindle locked there is about '/¢," clearance
between change lever and the quide post of the
cam follower lever (143). With no record loaded,
engagement should be about 1/39" to obtain
shut-off.
Use another record.
Correct the shut-off point by means of eccentric
screw (R 3, fig. 6) so that actuation occurs at a
record diameter of 41“ to 5“. Check with special
record such as Deutsche Grammophon Gesellschaft
No. 329013.
Correct the shut-off point by means of eccentric
screw (R 3, fig. 6) so that actuation occurs at a
record diameter of 41/“ to 5“. Check with special
record such as Deutsche Grammophon Gesellschaft
No. 329013.
Bend angle tabs on Manual automatic selector
lever (211). Check by operating “Start“ button
and turning main cam back until the short pin
raises the start lever (216). In this position, adjust
to obtain clearance of about '/¢4" between the
tabs of the start lever and the manual/automatic
selector lever.
Re-adjust change lever (153) so that with record
on and spindle locked there is about '/,," clearance
between change lever and the guide post of the
cam follower lever (143). With no record loaded,
engagement should be about 1/3)“ to obtain
shut-off.
a) Correct cut-out according to installation
instructions. Re-locate leads.
Loosen or lengthen cables.