+
4.7U/35V
C847
1
R820
KR801
16.9344MHz
2.2N
C845
470
R806
4.7
R842
M
100N
C815
47N
C818
10K
R808
4.7
R846
BC548B
T806
C
10P
C868
M
220P
C859
+
33U/16V
C855
4.7K
R864
10K
R878
M
100N
C856
M
220P
C878
C
10P
C858
4.7K
R874
4.7K
R854
10K
R858
+
100U/25V
C863
+
100U/25V
C860
4.7K
R873
+
4.7U/35V
C861
+
4.7U/35V
C869
1K
R870
10K
R872
1K
R876
10K
R871
M
100N
C862
7
6
5
4
3
2
1
FC901
MOTO2
MOTO1
CROUT
CRIN
CL16
TIMING
RAB
CL
DA
END
FRONT-
PLL
PLL
DIGITAL
DEMODULATOR
EFM
SRAM
ADDRESSER
RAM
CONTROL
MOTOR
INTERFACE
PROCESSOR
MICRO-
DOBM
REGISTER
CRC CHECK
Q-CHANNEL
Q-CHANNEL
PROCCESSOR
AUDIO
FLAGS
CORRECTOR
ERROR
IREF
ISLICE
HFREF
HFIN
FACE
INTER-
EBU
FACE
INTER-
DATA
SERIAL
DATA
WCLK
SCLK
8
2
19
20
21
15441614131727323130284232233435363738394041424365
10
9
7
24
12
11
SAA7345GP
IC809
M
100N
C822
4.7
R812
+
4.7U/35V
C854
33P
C851
M
100N
C853
-
+
LM833N
IC805
100K
R845
100
R844
12K
R816
4.7
R821
M
100N
C846
+
33U/10V
C812
-
+
LM833N
IC805
4.7/W25ERD
R853
+
10U/50V
C864
12K
R815
+
10U/50V
C857
LDON
A4A3A2A1
FILTERS
6 LP
AND
A1-A6
6 AMP
NC
+
I/IV
+
LP
AMP
uP
12
9
4
3
1
6
2
5
7
1314
16
20
23
19
24
22
21
15
18 17 8
TDA1302T
IC804
+
33U/10V
C816
+
10U/16V
C817
22N
C849
1K
R814
1K
R813
M
100N
C813
M
100N
C814
M
100N
C824
5.6K
R843
-
-
+
+
10 14 5
2
1
6
7
9
12
13
16
TDA7073A
IC808
3
2
1
CN808
27P
C865
+
47U/16V
C823
1N
C821
12K
R825
390
R818
47N
C819
430
R819
1N
C820
47N
C828
430
R823
47N
C827
430
R822
12K
2.5V
2.5V
2.5V
2.5V
2.5V
5V
5V 5V 5V
2.5V
R829
1N
C825
to Control Board
CN705
Seite/Page
3 - 7
to Control Board
CN708
Seite/Page
3 - 7
22N
C832
47N
C830
220P
C840
220P
C841
220P
C836
220P
C837
220P
C838
82K
R831
10K
R832
10K
R833
10K
R834
10K
R835
10K
R836
1N
C831
S108
22N
C842
10K
R837
220P
C839
47N
C843
1N
C826
S105
12K
R830
S106
S107
+
33U/10V
C848
1K
R839
22K
R838
1K2
R716
1K8
R715
47P
C844
1K8
R714
10K
R811
1
R826
3V9
D801
2K7
R713
8.2K
R841
2
1
CN709
VSSAVSSDVDD1VDD2
SL
RA
VRL
FO
LDON
R2
R1
D4
D3
D2
D1
XIN
uP INTERFACE
OUTPUT STAGE
CONTROL PART
CLCL
CL
FUNCTION
CONTROL
PREPROCESSING
A/D
GENERATOR
VREF
XR
CL DIVIDER
XTAL
OSCILLATOR
17
5
6
7
9
10
11
8
2
23
22
24
28 20 21 15 14 3 12
25
26
27
1
16
19
13
TDA1301T
2
1
CN711
M
330N
C801
6.8K
R840
M
100N
C802
2
1
CN107
100N
C852
470
R801
IN
REF
OUT
GL7805
IC801
3
2
1
CN106
10
7
9
8
1
2
6
5
4
3
FT801
33P
C850
1
2
3
4
5
6
7
8
9
10
FT802
8
7
6
5
4
3
2
1
BCK
WS
DATA
GND
VDD
VOR
N.C.
VOL
IC07
TDA1311A(DAC-S08)
1K
R847
1K
R848
-
-
+
+
10 14
5
6
7
2
1
16
13
12
9
TDA7073A
IC807
BC338-25
T804
560P
C835
1.5N
C834
BC338-25
T805
RAB
RAB
STANDBY
STANDBY
MOT+
MOT-
SLEDGE+
SLEDGE-
FOC+
FOC-
HOME
+8V
+8V
14.4V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+14.4V
+14.4V
SIDA
SIDA
L-OUT
CD_STOP
CD_STOP
RAD+
RAD-
R-OUT
SICL
SICL
SILD
SILD
GND
GND
CT809
FC809
DAC
AUDIO BUFFER
MUTE
REVERSE +V
LASER
LDGU D1
LDGU D5
LDGU D4
LDGU D3
LDGU D2
TO MOTOR DRIVER TDA7073A IC807
451.0197.00
451.0197.00
TO POWER AMP. BOARD
451.0268.00
451.0268.00
451.0199.00
451.0266.00
451.0264.00
TO BUFFER LM833N
TO CONTROL BOARD PA1
8
7
6
5
4
3
2
1
MONITOR
VREF
STOP
PLAY/PAUSE
UP
DOWN
SKIP/SEARCH
SKIP/SEARCH
5V 5V
5V 5V
5V
8V
4V
4V
4V
4V
4V
4V
Alle Spannungen sind Näherungswerte und bei Netzbetrieb gemessen.
All voltages are approximates and meassured at mains operation.
PA 1
3 - 11
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
GRUNDIG Service
Schaltplan CD-Teil
Circuit Diagram CD Board
PA 1
3 - 12
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
GRUNDIG Service
to CD Pickup
Seite
Page
3 - 7
CT808
Seite
Page
3 - 17
Seite
Page
3 - 17
to CD Pickup
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