Pioneer pl-530 Service Manual page 39

2. With microswitch A ON,
begins to rotate and cam
also begins to rotate.
(See Fig. 16 for electrical
micro switches A and B.)
3. Plate B, coupled to cam
rotation to plate C (Fig. 2).
Fig. 1
Timing-motor (TM)
A turns. The platter
relationships of
A, transfers cam A
10.1 AUTO LEAD.IN
1. When START button is pressed, wire A pulls
plate A and sets microswitch A to ON (F.ig. 1).
START button
6. Since cam A rotation continues, plate D moves
tonearm to specified position and plate D stops
(Fig. a).
F i g.4
7. As cam A rotation continues further, plate C
rotation continues and plate E disengages
from plate F pin (Step 5), freeing the tonearm
(F i g .5 ) .
F i s .5
8. Slanted section of plate C lowers tonearm stylus
onto record (Fig. 6).
,'
I
I
l
.l
:r
I
-
-
-
-
t-
G
Plate B
Fi g .2
4. When plate C rotates due to cam A rotation,
friction plate operates to cause plate D to also
rotate,
5. Plate E on plate D engages with pin of plaie F
(Fig. 3).
o Plate F is directly coupled to tonearm.
Plate E
/'xd
Stylus down
F is. 9
Fis. 6