Dual C 839 RC Service Manual page 13

Fig. 4 Motor electronic
RECORD (HF-GENERATOR1 I 1
PITCH K2
PITCH K I
—03
riR
4500
100 k
IC 4500
MC 14066 BCP
R 4505 R 4506
6
2,5k 13k
L-01
5
FH2 .. . 1 3 12
i
R
4501
100 k
Ä
12V
10
r
-
45 4503
470
R
4504
510
I C
=4504
+
22p
12V
Tis 1- ,
IC 4501
TCA 955
16
GENERATOR Q 11
TONMOTOR Q 10
TONMOTOR la 9
4502
47 k
— —._ —
I 145033502 25011500
339
,2n 0,1p 7p
6
C 4506
47 n
1
R
4507
1 k
P1 - -c-.
12V
111+
C 4508
2,2 p
4512
470 k
1 (4
R 4511
4,7 k
T 4500
EIC 548 C
D 4500
1 N 4148
2510 r
4,7 ML
4513
2,7k
T 4501
80 548 C
C
4507
2,2 p1
R 4509
1 M
co r.
CO LO
CC CC CC CC CC
1
2,2 p
T 4502
BC 327
T 4504 1T4506
8C327)
BC 327
1:1
4515
1 k
4516
1k
MUTING I 3
MUTING 14 =
12V Q6
PAUSE MAGNET — Q2
PLAY MAGNET —03
0V 01
•
T 4505
1T4507
BC 337 BC 337
4514
2,7 k
12V
D 4505
1 N 4148
R 4521
47 k
T 4508
BC 337
1' 4509
BC 548 C
MUSICCASSETTE I 2
=
WINDUNG MOTOR 08
WINDUNG MOTOR 07
D 4506
1 N 4148
T 4510
OK
337
0 0 0
T 4511
BC 548 C
T 4512
BC 548 C
T 4513
BC 548 C
R 4522
1k
D 4507
BZX 83
C 3 V 3
IR 4523 I R 4526
1 470
1 2,7 k
R 4524
2,5k
R 4525
5,6k
0 k
T 4515
BC 327
T 4518
BD 370
R 4534
33
T 4514
BD 371
:9 (..*
C4512
0,33 p
R R
fl R4530
2
529(1560
10k 2,7kT
T 4516
BC 548 C
T 4517
BC 337
R 4531
3,3
D 450E
1 N 41
D 4509
1 N 41
R 4532 8 R 4533
15
I 1,2 k
T 4520
BC 337
T 4521
BC 327
4535
560
T 4522
BC 337
T 452
BC 54
Voltages measured on mode <3 t>
<K1 I»
0, 5 W