Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
M 7-C / M 17-C / M 27-C
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
M 7-C / M 17-C / M 27-C
GRUNDIG Service
GRUNDIG Service
Schaltplan CD-Wechsler / Circuit Diagram CD Changer (CDC Board)
DISC DRIVE
TRAY MOTOR
CARROUSEL MOTOR
CPU
POWER SUPPLY
ALPC
CDM12.1
CPU
DAC AUDIO
SERVO DRIVERS
HF AMPLIFIER
DECODER
LOADER CONTROL
-2B
-2A
INNER SWITCH
SWITCH_INFO
x871 -> x899
x851 -> x870
x800 -> x850
Int Loader
Audio-part
Servo-decoder:
Component numbers:
PORE
+5C
D1
D5
D4
D3
D2
LDON
OE_LATCH
SHR_CL
STR_OUTP
DATA
SICL
SILD
-
-
-
-
-
+10V
+5V
GND
-
-
-
-
-
-
-
-
-
-
-
-
-
-
GND
GND
-
4
5
6
1
7
8
9
10
11
12
13
14
15
16
17
18
2
19
20
21
22
3
L
K
J
O
I
H
G
F
E
D
C
B
A
N
M
4
5
6
1
7
8
9
10
11
12
13
14
15
16
17
18
2
19
20
21
22
3
100n
2856
100n
2831
1n
2850
2809
100n
2846
22n
2844
1n2
2841
1n2
100n
2828
100n
2827
100p
2814
560p
2810
1n5
2807
330p
2804
180p
2802
180p
2800
220p
2801
220p
2805
220p
2806
47p
2823
100n
2825
22n
2824
2n2
2822
100n
2837
2840
100n
100n
2852
22n
2821
330p
2819
180p
2820
180p
2817
18p
2815
47p
2812
47p
2813
100n
2843
2842
10N
2847
100n
2845
10n
220p
2811
220p
2808
100n
2830
220p
2803
2835
100n
100n
2872
100n
2838
100n
2839
2874
22n
2875
22n
100n
2873
GNDA
GNDA
GNDA
GNDA
GNDA
15k
3891
100E
3892
100E
3893
470R
3889
470R
3890
10k
3833
470R
3873
3848
8k2
3845
10k
3842
10k
10k
3896
470R
3847
56k
3804
120k
3802
120k
3800
10k
3834
1k 3836
2k2 3835
10k
3808
10k
3807
10k
3806
10k
3805
10k
3801
22k 3826
2k2
3825
1M
3830
5k6 3841
150k
3839
330E
3822
330E
3820
1k8
3823
1k8
3821
3k3
3824
390R
3819
330k
3812
15k
3811
39k
3814
100E
3816
1k 3817
1k
3815
100R 3818
1k
3810
3843
8k2
3844
470R
3849
8k2
3850
470R
3846
8k2
47k
3813
3897
100R
100R
3869
10k
3803
390k
3827
10k
3875
220k
3876
1k
3837
1k
3838
150k
3840
10k
3878
10k
3879
330R
3880
100R
3829
10k
3881
47k
3882
100k
3883
3k9
3884
100k
3885
47k
3886
10k
3874
10k
3877
10k
3872
10k
3871
10k
3888
220R
3832
560R
3870
47u/10V
2832
47u/10V
2848
47u/10V
2826
470u/10V
2851
10u
2860
10u
2861
2818
47u/10V
2816
47u/10V
47u/10V
2836
470u/16V
2876
1805
6
1805
4
1805
2
1805
7
1805
5
1805
9
1805
8
1805
1
1805
10
1805
11
1805
3
1805
12
7851
TDA1311
1
3
6
8
5
4
2
VDD
GND
DATA
WS
BCK
VOR
VOL
CONTROL
TIMING
AND
LEFT I/O
RIGHT I/O
I/V
I/V
+5
+5
+5
+5A
+5
+5
+10
+10
+5
+5
+5
+5
+5
+10
+5A
+10
+5A
+5
3853
3R3
3851
3R3
3895
3R3
3894
3R3
3887
220R
3852
3R3
2829
10u/10V
5
7871
TDA7073A
2
16
13
1
14
1
1
5
7807 -2A
TDA7073
1
2
16
13
14
1
1
5
7806 -2B
TDA7073
2
16
13
1
14
1
1
1878
1877
1875
1876
6873
1N4148
6872
1N4148
6871
1N4148
6874
1N4148
10
7
TDA7073A
7806 -2A
6
9
12
1
1
10
TDA7073A
7807 -2B
6
9
12
7
1
1
10
7
TDA7073A
7871
6
9
12
1
1
BZX79C5V1
6875
5
1800
1800
6
12
1800
11
1800
1800
10
1800
9
1800
8
1800
7
BC548
7808
BC548
7805
BC548
7804
BF240
7801
BC548
7802
BC548
7874
BC328
7809
BC558
7803
CAR SWITCH
1882
CDM SWITCH
1881
O/C SWITCH
1880
7872
HEF4094BT
3
2
8
15
4
5
6
7
14
13
12
11
9
10
1
16
3
1D
C2
EN3
C1/
SRG8
GND
VCC
2D
SAA7378
7800
60
61
25
24
50
21
22
3
4
5
7
45
31
27
15
17
10
18
14
43
64
44
33
34
55
8
9
53
26
37
57
35
48
52
51
13
36
54
28
58
38
20
23
29
62
63
42
41
40
30
47
59
2
19
11
6
32
39
49
56
1
12
16
46
SERIAL
OUTPUT
VDDA2
SUBCODE
CONTROL
MICRO
GEN
END
DECODER
TIMING
VREF
FRONT
INTERFACE
PROCESSOR
VDDA1
PROCESSOR
VRL
R1
R2
VRH
VSSA1
D3
D4
IREFT
HFIN
HFREF
STATUS
SELPLL
CL4
ISLICE
INTERFACE
INTERFACE
CORRECTOR
VDD2P
PEAK
DETECT
KILL
VDD1P
AUDIO
PROCESSOR
VERSATILE
INTERFACE
PLL
EFM
SRAM
RAM
&
DEMOD
VDD3C
EBU
DIGITAL
ADDRESSER
INTERFACE
CONTROL
DATA
MICROPROCESSOR
TEST
ERROR
FLAGS
MOTOR
STAGE
VSSA2
SUB
RCK
NC1
RA
VSSA3
C2FAIL
SBSY
SFSY
SCLK
WCLK
DATA
MISC
CFLG
DOBM
LDON
RESET
IREF
D1
D2
SL
MOT2
MOT1
VSS3
VSS2
VSS4
VSS1
FO
CL11
CROUT
CRIN
KILL
V5
V4
V3
V2
SILD
V1
RAB
SDA
TEST3
SCL
TEST2
TEST1
CL16
ADC
8.46MHz
1810
1
2
3
100n
2855
GNDA
2.5V
2.5V
2.5V
2.5V
2.5V
0.25V
5V
5V
5V
5V
>800mVpp
10V
10V
5
5
5
5
5
5
5
5
2.5V
0.25V
4.4V
5V
5V
10V
5.1V
10V
HF-OUT
6
5
4
3
2
1
2.5V
eyepattern
0,5us/DIV
3 - 31
3 - 32
to 1806 CDC Interface
page 3 - 28