Inhaltsverzeichnis
Werbung
CD 21 / CD 22
Decoderteil / Decoder Part
1
2
3
4
A
B
NOT USED
40
C
TO POWER SUPPLY
CIRCUIT
41
ACTIVITY
IN PLAY MODE
42
TO IC 7000
ON SERVO CIRCUIT
D
43
E
eyepattern
2.5V
65
F
0,5us/DIV
65
2100
3100
G
HF
2k2
FROM R3048 ON
2n2
SERVO CIRCUIT
2101
3101
47pF
2102
2103
H
+5
22n
100nF
3115
7
8
9 10
6
11
VDDA
I
2116
2115
PLL FRONT-END
22uF/40V
22nF
12
VSSA
EFM
DIGITAL PLL
DEMODULATOR
J
RAM
SRAM
ADDRESSER
ERROR
CORRECTOR
33
CFLG
FLAGS
K
VERSATILE PINS
MOTOR
INTERFACE
CONTROL
22
23
3
4
24
25
26
L
3146
+5V STOP MODE
2142
0V PLAY MODE
M
HIGH PULSES PAUSE,NEXT,PREVIOUS
47pF
67
OTD
FROM R3015 ON
SERVO CIRCUIT
N
O
1
2
3
4
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
5
6
7
8
9
PC2
11
SDAT1
PC7
16
KILLI
PD5
26
DISENA
3717
PB4
41
SILD
1k
3716
PA6
31
NRST
1k
PD0
20
SICL
41
PD1
22
SIDA
PD2
23
42
40
PD3
24
PD4
25
PA5
32
CD6RES
3719
PB7
38
1k
3720
PB6
39
43
1k
PC0
9
3718
PB3
42
1k
3108
2105
3715
100pF
7100
5
28
32
30
31
29
SAA7345
NC
KILL
27
MICROPROCESSOR
KILL
TEST
INTERFACE
AUDIO
PROCESSOR
MISC
18
73
71
PEAK
3109
DETECT
19
DATA
SERIAL
220R
DATA
3110
20
WCLK
INTERFACE
220R
Q-CHANNEL
3111
CRC CHECK
21
SCLK
220R
Q-CHANNEL
REGISTER
72
3112
1
CL11
100R
EBU
OSCILLATOR
TIMING
17
INTERFACE
CL16
2109
22pF
2
13
14
16
15
44
43
+5
3116
3114
KILLR
1M
3113
1101
5100
16.93MHz
2u2H
3117
2111
2110
2118
2112
2114
2113
22uF/40V
1n
47p
100n
47pF
47p
81
1uS/DIV
5
6
7
8
9
CD 21 / CD 22
10
11
12
13
14
+5
+5
+5
+5
3713
2701
2703
22nF
22nF
7700
3
2
48
50
52 47 49 51 53
4
6
29
27
MC68HC11ER20B3
I/O PORT
PE0
46
PA0
37
PA3
34
PB0
45
PB1
44
CPU
PB2
43
PA2
35
PC1
10
PC4
13
PC3
12
PC5
ROM
RAM
14
PC6
15
PA4
33
PA1
TIMING
36
1
28
21
56
19
18
17
7
8
5
55
54
40
30
3503
3700
+5
22k
220k
+5
+5
1050
12 MHz
3501
3500
7500
BC558B
6500
3502
3V9
KILLL
DACDA
DACWC
TO
CL
DAC
DACCL
CIRCUIT
LSB
MSB
DA
page 2-11
0.5uS/DIV
LEFT CHANNEL
CL11
WS
STOP
5V
12
START
5V
1uS/DIV
PLAY
KILLR
PULSE DENSITY CONTROL
+5
+5
3147
2.7V
3141
3143
12
100k
3142
2.7V
33k
2140
3140
47n
10
11
12
13
14
2 - 9
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
15
16
17
18
19
CONN.1403 TO CONN. 1001
ON DISPLAY CIRCUIT
LOW PULSES
WITH IR COMMANDS
+5
+5
+5
+5
3706
3723
3701
3709
3710
3727
1k
3725
1k
3726
1k
84
85
+5
3607
3606
12k
+10
7600 A
22nF
3604
2
TCA0372
2602
5V CLOSING
8
0V OPENING
83
8k2
1
2.5V REST
7
2.5V
4
3602
3601
2601
22n
+5
-10
+5V OPENING
82
-5V CLOSING
0V REST
84
LOW WHEN READING TOC
24
85
+5V IN REST
72
0V WHEN OPENING OR CLOSING
LSB
73
RIGHT CHANNEL
71
3144
100k
7600
5
TCA0372(B)
3
0.6V
6
3145
2141
100n
15
16
17
18
19
Bauteil X Y
Component
20
1050
H 12
1070
N 19
1070
N 19
1070
E 19
A
1070
E 19
1071
G 19
1071
G 19
1071
F 19
1071
F 19
1073
M 19
1073
M 19
1101
M 6
B
1403
C 19
1403
D 19
1403
D 19
1403
D 19
1403
-
1
+5
1403
C 19
+5
1403
D 19
1403
-
2
GND
1403
C 19
C
-
1403
C 19
1403
8
RC5
2100
G 2
1403
-
4
2101
G 4
SDAT0
2102
H 5
1403
-
7
2103
H 3
DISRES
2105
H 7
-
2109
K
9
1403
6
SDIS
2110
M 8
D
2111
M 8
1403
-
3
2112
M 7
SCK
2113
M 6
1403
-
5
ACK
2114
M 6
2115
I
3
1070
-
2
SLEDGE SW
2116
I
2
1070
-
1
2118
M 5
GND
E
2140
O 13
2141
O 16
2142
M 4
2600
H 19
2601
H 19
2602
G 19
2701
B 13
F
2703
B 14
-
1071
1
TRAY
2730
I 16
SWITCH
3100
G 3
3101
G 3
1071
-
2
GND
3107
H 6
3108
H 7
3109
J
9
1071
-
3
3110
J
9
GND
G
3111
K
9
3112
K
9
1071
-
4
TRAY MOTOR
3113
L
8
3114
L
6
3603
3115
H 2
82
3116
L
6
3117
L
7
2600
H
3140
O 12
100n
3141
N 12
3142
N 13
3143
N 14
3144
N 15
3145
O 16
3146
L
4
3147
N 14
I
3500
H 10
3501
H 11
3502
I 11
3503
G 11
3601
H 18
3602
H 17
3603
H 19
J
3604
G 16
3606
F 18
3607
F 17
3700
G 12
3701
B 18
3702
A 10
3703
A 10
3706
B 15
K
3709
B 18
3710
B 19
3711
B 10
3712
A 11
3713
B 11
3714
A 11
3715
H 6
L
3716
D 8
3717
C 8
3718
F
9
3719
E
9
3720
F
9
3721
I 13
1073
2
3722
I 15
GND
3723
B 16
M
3725
D 16
3726
D 18
1073
1
3727
C 16
DIG OUT
5100
M 6
ERR
6500
I 10
7100
H 8
1070
4
7500
H 11
GND
N
7600
N 15
7600
G 18
1070
3
7700
B 14
TURNTABLE
7730
I 17
MOTOR
9010
B
9
9011
B 10
O
20
2 - 10
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Inhaltsverzeichnis
