Cassetten-Steuerungs-Platte, Detektor-Platte, Dolby-Led-Platte - Grundig PA 5 - Turnit Serviceanleitung

PA 5 - Turnit

Cassetten-Steuerungs-Platte, Detektor-Platte, Dolby-LED-Platte

Tape Logic Board, Detector Board, Dolby LED Board
1
C433
R471
2
REC-L
+
P102
3
3K6
2u2/100V
p. 3-16
4
REC-R
C437
5
2.8V
+
7
P408 4u7/63V
C425
3
K
2.8V
A
220p/5%
8
0V
A
C428
14
K 2.8V
A
220p/5%
10
C436
+
2.8V
4u7/63V
C434
R472
+
3K6 2u2/100V
1N4148 1N4148 1N4148 1N4148
7.5V (IN)
+12V
7.5V (OUT)
D425 D426 D427 D428
11.0V (STOP)
6.8V (IN)
7.5V (OUT)
11.0V (STOP)
R452
1K2
T411
T409
BC640
BC548_B
R454
1K
T412
R455
BC639 BC639
1K
7.5V (IN)
0V (OUT)
0V (STOP)
0V (IN)
7.5V (OUT)
0V (STOP)
P411
1
2
S1001 P412
2 3
1
2
3 1 4
59401-031.00
DETECTOR BOARD
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
T417
BC548_C
R465
+12v
220p/5%
4K7
K
2.8V
IC405 A
C426
6 5 4
A A
ALC IN1 16
9.3V
10u/50V
REC1
2
2.8V
+
A
C432
NONALC IN1 15 9.3V
REC.
MUTE
ALC DET
1
ALC/
NONALC
NONALC IN2
A
REC2
TA8135P
ALC IN2
8305-408-135
9 11 12 13
C427
A
2.8V K
T402
220p/5% A
BC548_C
R466
4K7
T416
R420 BC548_B
+5V (PLAY)
A A
R463
0V (REC)
33
22K
34
A
+12v
IC404
M37471-M4-458SP
8305-207-477
R459
T415
BC548_B
22K
9 10 23 19 20 32 28 30 33 12 31 17 16
F401
4.00MHz
7.5V (IN) R410
6.8V (OUT) +5V
11.0V (STOP) 22K
R462
R451
22K
1K2
T413
T408
BC640
BC548_B
T414
+5V
+5V
1N4148
R460
T425
BC558_B
10K
100u/25V
0u1/10%
0V (PLAY)
+12V (REC)
D430
DOLBY B LED BOARD
P103
p. 3-16
PA 5 - Turnit
TAPE LOGIC BOARD
+12v
CR
T419
SOLENOID 2
BC558_B
DRIVER
T421
R423
BC548_B
3K3
SOLENOID 1
DRIVER
R426
3K3
41 40 39 38 37 36 35 1 42
13
7
6
26
27
8
29
18 21 22 25 4 24 5 3 2 11 14 15
R444
15K
+5V
R432
R431
15K
10K
R429
10K
R457
47K
+5V
0u1/10%
F
R447 C415
8 1
100K
Vcc A0
D413
7 2
TEST A1
IC403
6 3
SCL A2
5 4
C412 SDA Vss
+
X24C04P
+5V 8305-602-400
C413
F
P513 P104
p. 3-9 p. 3-16
3 - 17 GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
+5V
P401
12
REC-R
11
REC-F
10
CR
9
TAPE
8
BC548_B FF/REW DETECT
T422 7
PLAY DETECT
6
P2
5
P1
4
REEL-F
3
REEL-R
+12v
2
1
T407
R421
BC548_B
BC327-25
T404
680
+5V
D424 D417
1N4148 1N4148
+12v
T406
R424
BC548_B
BC327-25
T405
680
D414 D415
1N4148 1N4148
+12v MOTOR DRIVER
T403
R412
BC640
R428 820
1
2
T423 1K
BC639 3
4
+5V
R404 D402 R402
BC548_B
T401
R406 47K 1N4148
PD
47K
IC401
8305-205-703
7805CT
18V
+5V
OUT IN
C
IC402
8305-204-341
LM340
+12V OUT IN
C
R490
220
P2
P1
HALL HALL
IC IC
TAPE DRIVER
MECHANISM
P402
A
B
MOTOR
+
-
SI501
2 1
470 T800mA
14VAC
P403
1
Transf.
2
p. 3-14
21/01/98
3 - 18