Pioneer PL-707 Service Manual page 12

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® TIMING CHART 2
Operational sequence for a single cycle between power ON and auto-
matic stop (full-automatic operation, 17cm record disc).
Elevation
Playback
Auto-return
Lead in
| |
| Playback
1
1
'
ON
Complete
ON
Complete
ON
Start
Complete
Start
plete
!
|
Power
ON
|
|
P06003(IC1)
argh
terminal name
No
Platter motor rotation
Vec
(Q3 OUT)
%
Platter motor stop output
=
|
|
8
Repeat switch input
i
®
%)
%
epee,
eegget
hn es
H
H
—.
_
H
'iter
a
=
ite
tiem
Seen
eae
a
es ao
aa
a
ee
re
al
ieee
(Light)
L(Light)
30cm display output
H
#
H
25cm display output
ne
ORs ome
L (Light) Si
ers
oe
ae
G
17cm dipslay output
Pineal
op
eae
ee
L{ bight)
rea
eae
t (Light)
t
{
*
-
*
{
LCSW ON}
+
Lisw Sn
ease
uCsw ON)
>
4
_—_——__+
eS
+
at
eae
Geese
Le
a
ee
L(45:pm)
:
L.(45rpm).
(45pm).
en
a
Speed selector switch input
Speed selector switch output | @
wn
;
a
EES PERRET:
SAE
33rpm display
L (Light) jenna — LE (Light)
(Light)
'
45rpm display
u(Light)—t
;
L (Light)
.
i
en
ae
———
oS
or
:
t
I
i
!
|
i
:
|
i
!
'
i
i
A
:
i
i
not
'
Lowering
|
;
t
i
i
i
|
Arm |
i
Start
Arm rest
position
|
|
;
|
'
End sensor |
Arm rest
;
i
;
add
:
!
i
\
|
i
i |
| |
|
'
i
i
i
POWER
DOWN
POWER
UP
POWER
DOWN
DOWN
DOWN
UP
uP
DOWN
DOWN
UP
ouP
DOWN
DOWN
:
UP
UP
DOWN
BOW
ON
Complete
ON
Complete
ON
Start
Complete
Start Complete
Start Complete
Start
Com-
Start Complete
Start
Complete
Start
Complete
plete
413
20

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