Dual CS 650 RC Service Manual

Fig.
13
I I
IJ
r 17
Fitting a
1/2 inch cartridge
If a
cartridge
with
1/2 inch
standard
mount is to be fitted, the
conversion
kit 39 Number 262
186 is necessary.
The proper me-
thod
of fitting
is shown in
fig. 13.
Also the
decorative cover
should be
removed from
the
counter-
weight 40 and
should be fitted with
the compensatory
weight to
be found in the
conversion kit
39.
Any
alteration can
only be carried out
with the aid of
a Dual -
Skate -O -Meter and
a test record
and should only
be done by an
author ized
service
station.
Anti skating Device
To compensate for
skating force use the
knurled ring 76. The
asymmetric cam
plate displaces the skating
lever 183 from the
tonearm
pivoting point. The
anti-skating force is transmitted to
the segment
185 and to the tonearm
73 by tension spring 187.
Optimum
adjustment is carried out at
the factorys for styli
having a
tip radius of
1511m
(conical), 5/6
and
18/22
bim
lelligti-
03 I).
Any alteration can
only be carried out
with the aid of a Dual -
Skate -O -Meter and a
test record and should only be
done by an
authorized service station.
Cue
Control
By moving the lever 203
forward (
)
lift cam 204 rotates.
The
slide bar
190 transmits the lifting m —
ovement to the lift pin, that
raises the
tonearm. As a result, the cue control permits raise
up
the tonearm at
any desired point.
The lever is released by moving the cue control lever rear wards
( I.
As a result of the action of compression spring
181 the lift
pin is
brought back to its normal position and the tonearm
loweres slowly Lowering of the tonearm is damped by
silicone
oi I in the
lift tube.
The lift can
be varied by turning
the sleeve 60. The distance
between the record and the needle should be 5 - 7 mm.
Replacement of
Cue Control Plate
Replace cue control
plate 163 as
follows:
1. Clamp unit in the repair
jig. and lock tonearm. Turn unit
in
head
position.
2.
Remove safety washer 179.
Lift off main lever 178 and
bearing
support 177.
3. Remove
safety washer 191. Lift off
positioning bar 190 and
rotary bearing 189 and
turn towards motor
141.
4. Remove both machine
screws 195, remove lift plate
compl.
163.
For installation
proceed in the reverse
order.
Muting Switch
To prevent disturbing
noises during automatic
Operation
of the
tonearm the unit
is fitted with a muting switch.
Control of the
switch springs
for both channels is effected by the camwheel.
With the unit in neutral state the short circuit of the
pick -up
leads is
eliminated.
Adjust
mimt
In zero position of the cam there should
be a clearance of ap-
proximately 0.5 mm between the contacts of the muting switch.
This clearance should be adjusted by bending the muting switch
contacts. The contacts should be sprayed with a suitable cleaning
agent.
9

Dual CS 650 RC Specifications

General

Brand	Dual
Model	CS 650 RC
Category	Turntable
Language	English