Motor Circuit Descriptions; And Trouble Shooting; Block Diagram - Pioneer PL-630 Service Manual

Full automatic turntable
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PL-6G30
. D.D. MOTOR
CIRCUIT
DESCRIPTIONS
AND
TROUBLE
SHOOTING
.1 BLOCK
DIAGRAM
Motor Rotation Ass'y
ee
>
PA2004
|
Sch midt trigger
EEN.
converter
aveform
rectification
FF
Position signal
Reverse rotation
formation
prevention
Frequency divider
selector |
Frequency divider
selector II
14
Forward/reverse
-
1
direction
Comparator control
:
Frequency divider
19
;
discriminator
he
i
8
X'tal/RC
|
1
al 30V
switching circuit
|
1
|
Quick-stop
Start
:
:
timing
Stop indicator
Voltage stabilizer
& * Veo 2
x me ae
I
:
:
|
!
,
4
"4
13
7
:
7
Motor Drive Ass'y
7
|
en
Be
7
a
PA2005
~ PO1003
Oscillator Ass'y
3
[1]
* Veo
40

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