Pioneer PL-44F Service Manual page 16

5
4
I
I
t ^ l
O I
NOTE: :#":H
F U N C T I O N A s s ' y
i
I
I C o N T R O L A s s ' y
X w M - 1 3 3
A
t2
v R I
vR 2
vR 3
P C P - O 7 5
P C P - O 6 9
P C P - 0 6 7
D 2 8 2 - 0 6 i
D 3 R D 3 . 6 E B
D 4 , 5 , 7 1 5 2 4 7 3
a
v R 3
2t- B
I
I
P U
coR0
D 6 t S r 8 8 5
D t ? , i 3 V D t 2 2 2
I C 3 B A 6 r O 9
I C 4 8 A 6 2 0 8
I C 5 P O 2 0 0 3
I C 6 M 8 8 4 0 0 1 B
Q r , 4 , 5 , 7 , I , t O , r 1
2 S C t 8 r 5
Q 2
2 5 C 9 4 5
Q 3
z S C l 9 5 9
Q 9 2 S C r 8 1 5
R39
I t
t 5
/50
!-
L O A O I N G
I N
s 6 : o E c K
SYNCHRO
5 7 : S P E E o
| ' 1 " r . u . . o *
l
t3ro",
.ro"
I
ti""
.rruo.o*
l ' l . " r o ,
I'lo"ro.- o., ,r,
D 9 , t 1
G L - 9 P R 2
D r o
G L . 9 N G 1 2
v R 2 : S P E E o A O J ( 3 3 r p m )
v R 3 : S P E E 0 A o J ( 4 5 r p o )
P X M - i l 6
ARM MOTOR
ilo
s 8
U P
P S H - O O 4
I
I
L-
p s e ' o c c 1 -
L"-t"b:" _j
P H I O l R
L-t't-t]rr-:i
s r - 5
P s G - 0 3 8
s 6 , 7
P S G - O 3 9
1 . R E S I S T O R S :
lndicated in a,%W,'/aW,t5% tolerance un16 otheMi$
M : M ' , , ( F ) : : l % , ( G ) : x 2 % , l K l : 1 1 0 % ( M l ; t 2 0 % t ,
2 . C A P A C I T O R S :
Indicated in capacity (!F)/voltage {V) unless otheMis n
Indication without voltage is 50V except elctrolytic
3 . V O L T A G E
I
r DC voltage (V) at no input signal
4 . O T H E R S :
@ : Adiusting point.
The I mark found on some component pans indic
portance of the $tety factor oI the part. Therefore, whe
be sre to use pafts of identical designation.
X marked capacitors and resistoF have parts numbe6
This is the basic shematic diagram, but the actual circu
due to improvements in design.
2 7 0
L E D A s s ' y
PHOTO
S 6
: O E C K S Y N C H R O
O N - O F F
s 7
: S P E E D 3 3 / 3 r p m - 4 5 r p m
5 8 : U P
O N - O F F
5 9
; R E S E T
O N - O F F
T R A N S I S T O R A s s ' y ( 1 / 2 1
S I I
:
C L O S E D
O N - O F F
S I 2 :
O P E N
O N - O F F
S i 3 :
M U T I N G
O N - o F F
s t 4 :
P o w E R ( S T A N D - B Y ) O n r - O r r
The underlined indicates the switch position.
MUTING Ass'y
L c l a t n l o e E m l
C L O S E
O N - O F F
T S T O P
O N - O F F
E L E V A T I O N
O N - O F F
A T
O N - O F F
I A L A R M S E T
O N - O F F
4
6
5
- l
I
| , . s
C o N T R O L
I
O P E N S W
c L o s E D s w
U P S W
4
REST SW
5
A R M C W
6
ARM CCW
7
LOAo CW
I
LOAo CCW
9
SYNCHRO
t o
P H O N O
1 2 E V U P
L E D
tf,
M A N U A L
t 4
G N O
2 A
x r t
2 5
O/C KEY
2 4
S / S K E Y
2 3
E V K E Y
2 2
REP KEY
2 l
MAI{ KEY
2 0
S P E E O
t 9
E N O I N
t 8
o t s K t N
t 7
I N T
_
t 6
R S T
t 5
REP LEO
t - 1 2 | | l l s T
i'ii"
I-