Sansui SR-2020 - Manual Operation

4-2. OPERATION OF MANUAL MECHANISM
FR-3060
1. MANUAL OPERATION
1)
2)
3)
4)
Operate the turntable by setting the cuing
lever to the START - CUT position.
Set the MANUAL LIFTER LEVER to the
UP position, then set the tonearm to a
suitable position picking up from the arm
rest.
Then set the MANUAL LIFTER LEVER
to the DOWN position. The machine begins
performance when the stylus-reaches on
the surface of disk.
The tonearm returns automatically by the
function of the reed switch when the stylus
proceed as far the finishing groove after the
end of performance. Therefore the MANU-
AL operation is made within the lead-in
groove to the lead-out groove. If you want
to stop in the middle of performance, set
the MANUAL LIFTER LEVER to the UP
position, then the stylus lifts up from the
surface of disk.
2. MANUAL MOVEMENT
1)
2)
7-6
The MANUAL plate moves as shown in
Fig. 4-2, when the tonearm is located at a
suitable position.
> manual
\ 7 plate (B)
PU plate (A)
magnet (B)
Fig. 4-2
Keeping the MANUAL plate on the po-
sition, set the cuing lever on the START -
CUT position, the START/RETURN plate
turns in a quarter revolution.
4
start/return plate
Fig. 4-3
3)
As the START/RETURN plate passes by
the magnet (B) without touching it, there-
fore, the manual operation is capable at
any position between the lead-in groove
and the finishing groove.
3. CAUTION ON REPAIRMENT OF THE
MANUAL MECHANISM
1)
2)
3)
The MANUAL plate (B) must not get off
from the PU plate (A) when the tonearm
is pulled in the outmost direction (right
side direction).
(correct)
manual plate {B)
PU plate {A}
Fig. 4-4
The clearance between the MANUAL plate
and the START/RETURN plate should be
about 2mm when the tonearm moved about
3mm inside (left side) from the arm rest.
manual plate (B)
h
PU
plate
(A)
start/return
plate
Fig. 4-5
The MANUAL plate must touch on the PU
plate when the stylus came down on the
first point of the modulated groove nearest
to the lead-in groove of 30cm disk.
manual plate (8)
PU plate (A)
Fig. 4-6
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