GRUNDIG Service
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
M 19-C / M 29-C
M 19-C / M 29-C
^
%
$
&
AGND
DGND
AGND
DGND
RGND
DGND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
RGND
DGND
RGND
SGND
SGND
SGND
SGND
SGND
SGND
SGND
SGND
COIN
CDSQ
CQCK
R W C
CDEN
TUUP
DRF
RST
CDG
TUDN
R W Q
DGND
TUDN
TUUP
DGND
MGND
MGND
+ 5 V
+ 8 V
+12V
AGND
R-CH
AGND
L-CH
DGND RGND SGND
MGND
V - A
V - A
Vs
DOUT
VDD
DGND
MGND
MGND
DGND
DGND
MOT+
MOT-
CAR+
CAR-
UNLO
LOAD
STOP
ADDR
SLD+
SLD-
+12V
+12V
+ 5 V
+ 5 V
+ 5 V
+ 5 V
DGND
ROTM+
ROTM-
AD SW
ST SW
DGND
DGND
DGND
DGND
LODM+
LODM-
UL SW
LD SW
SPM-
SPM+
SLM+
SLM-
INSW
SGND
SGND
+ 5 V
VCC VCC
N.C
N.C
VIN7+
VIN7-
VO7
VO6
GND
GND
GND
VO1
VO2
N.C
VIN2-
VIN2+
MUTE
VIN6+
VIN6-
VO6
VO5
GND
GND
GND
VO4
VO3
VIN3-
VIN3+
BUFO
BUFI
Vs
F -
T -
T +
F +
PD VR LD
RGND
RGND
F
C
B
A
D
E
COM
S708
RGND
VCEN
VCEN
VCEN
VCEN
VCEN
VCEN
VCEN
VCEN
DGND
DGND
DGND
VCEN
VCEN
FIN2
FIN1
E
F
TB
TE-
TE
TESI
SCI
TH
TA
TD-
TD
JP
TO
FD
FD-
FA
FA-
FE
FE-
AGND
NC
SP
SPG
SP-
SPD
SLEQ
SLD
SL-
SL+
JP-
JP+
TGL
TOFF
TES
HFL
SLOF
C V -
C V +
RFSM
RFS-
SLC
SLI
DGND
FSC
TBC
NC
DEF
CLK
CL
DATA
CE
DRF
FSS
Vcc2
REFI
VR
LF2
PH1
BH1
LDD
LDS
Vcc1
DEFI
TAI
PDO
VVSS
ISET
VVDD
FR
VSS
EFMO
EFMI
TEST2
CLV+
CLV-
V / P
HFL
TES
TOFF
TGL
JP+
JP-
PCK
FSEQ
VDD
CONT1
CONT2
CONT3
CONT4
CONT5
EMPH
C2F
DOUT
TEST3
TEST4
NC
MUTEL
LVDD
LCHO
LVSS
RVSS
RCH0
RVDD
MUTER
XVDD
XOUT
XIN
XVSS
SBSY
EFLG
P W
SFSY
SBCK
FSX
WRQ
RWC
SQOUT
COIN
CQCK
RES
TST11
16M
4.2M
TEST5
CS
TEST1
+12V
VCEN
ANALOG SIGNAL PROCESSING
RF AMP
SERVO SIGNAL PROCESSOR
DIGITAL SIGNAL PROCESSOR
DIGITAL FILTER
D/A CONVERTOR
VCEN
RGND
V-CEN
EF-B
T-OFS
RF
FSS-A
MUTE
DGND
V - B
V - B
+ 8 V
R750
4.7k
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
IC700
LA9241M
CE713
4.7U/16
R748
4.7k
C732
102(M)
C731
104(M)
C734
2P
R749
2.7K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
IC701
LC78622E
R727
10K
R746
27K
R745
1K
C735
27P
C733
272(M)
R744
470
R747
22K
R729
33K
C738
104
R730
27K
R728
3.9K
C739
82P
R731
680
C737
104
C736
104
CE714
100U/10
D700
IN4148
C740
100P
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
IC702
LA6537
R732
1K
S701
R733
10K
C750
104
C749
104
C748
104
X701
16.9344MHZ
C751
15P
C752
15P
R736
82
CE716
10U/10
CE717
10U/10
R742
18K
R741
18K
R739
3.3K
R740
3.3K
C754
330P
C753
330P
Q703
2SC3330
Q704
2SC3330
R738
10K
R737
10K
S709
R720
1K
R721
4.7K
C747
100P
R724
10K
R723
1K
R718
18K
CE720
4.7U/16
R717
18K
C726
333(M)
CE705
1U/50
CE703
1U/50
CE710
100U/10
C728
103
C727
104
CE709
470U/10
CE711
100U/10
CE712
100U/10
C729
103
C730
103
Q700
2SA1317
R797
47
CE706
47U/16
C723
104
C722
104
CE708
100U/10
R794
120K
R792
120K
R793
120K
R795
120K
R796
180K
R791
180K
C724
102(M)
R700
22
R786
12K
R788
100K
R787
68K
C720
334(M)
R783
1
2
K
C721
224(M)
R789
2.2K
C717
333(M)
C716
330P
C718
224(M)
R782
27K
R781
1.2K
C714
473(M)
R785
12K
C713
180P
R780
3.3K
C715
153(M)
R778
33K
R759
22K
R758
39K
R756
22K
R777
10K
Q701
2SC3330
R776
15K
C708
474(M)
R779
47K
R772
47K
R773
56K
R767
220
C706
103(M)
Q702
2SC3330
R768
100K
R770
6.8K
CE704
22U/16
R755
18K
C710
472(M)
R774
36K
R775
36K
C705
102(M)
R765
100K
R764
56K
R766
680
R760
22K
CE702
100U/16
C704
104
R757
22K
R751
22K
C711
332(M)
R726
270K
R725
270K
S704
R753
22K
R754
22K
OUT2
P2
VCC2
VCC1
IN2
IN1
VZ
P1
OUT1
GND
1
2
3
4
5
6
7
8
9 10
IC703
LB1641
OUT2
P2
VCC2
VCC1
IN2
IN1
VZ
P1
OUT1
GND
1
2
3
4
5
6
7
8
9 10
IC704
LB1641
S705
S702
S703
C701
104(M)
C700
102(M)
D701
6.2V
R701
1K
R702
1K
R705
3.9
CE700
47U/16
C703
102(M)
D702
6.8V
R709
1K
R708
1K
R710
3.9
CE701
47U/16
Q708
2SC3330
Q707
2SC3330
R714
10K
R713
470
R715
10K
R716
470
C755
103
R743
82
C746
104
CE719
470U/10
R712
22K
R711
22K
S706
R752
10K
R703
10K
R704
10K
R706
10K
R707
10K
CE721
470U/10
Q705
B1240
Q706
B1240
R734
10K
R735
10K
CE707
220U/10
C725
104
C709
330P
S707
R790
Jx
R799
10K
R798
10K
R784
82
CE715
100U/10
C756
103(M)
C757
473(M)
C702
10U/16
VRD
VDD
VDD
VDD
VDD
VRD
VDD
VDD
TO H503
CONTROL
BOARD
PAGE
3 - 10/12
TO CD DRIVE
MECHANISM
TO CD DRIVE
MECHANISM
TO CD DRIVE
MECHANISM
TO CD DRIVE
MECHANISM
TO H304
MAIN BOARD
PAGE 3 - 14/16
TO H502
CONTROL
BOARD
PAGE 3 - 10/12
TO CD DRIVE
MECHANISM
IC BLOCK DIAGRAM
PAGE 3 - 36
IC BLOCK DIAGRAM
PAGE 3 - 36
IC BLOCK DIAGRAM
PAGE 3 - 37
IC BLOCK DIAGRAM
PAGE 3 - 37
IC BLOCK DIAGRAM
PAGE 3 - 37
Digital
NF rechts / AF right
NF links / AF left
Schaltplan – CD-Platte / Circuit Diagram – CD Board
3 - 34
3 - 35
