Inhaltsverzeichnis
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PA 1
Schaltplan CD-Teil
Circuit Diagram CD Board
+5V
to CD Pickup
FT802
VREF
3
REVERSE +V
4
5V
5V
18
17
8
2
MONITOR
IC804
TDA1302T
12
451.0264.00
T806
C845
R839
R838
BC548B
9
+
1K
22K
2.2N
C865
C844
uP
27P
LP
AMP
15
47P
NC
I/IV
+
A1
A2
A3
A4
R837
LDGU D2
6
21
4
6 AMP
10K
A1-A6
7
LDGU D3
22
R836
3
AND
LDGU D4
9
24
6 LP
10K
FILTERS
R835
19
1
10K
8
LDGU D5
23
R834
6
LDGU D1
5
20
10K
R833
2
10K
R832
5
LDON
10K
1
LASER
16
7
14
13
10
R830
12K
C830
47N
to CD Pickup
FT801
R829
2
2.5V
+
FOC+
12K
8
16
FOC-
C828
9
13
1
-
IC808
2.5V
47N
TDA7073A
451.0268.00
6
2.5V
+
7
RAD+
12
10
RAD-
9
7
+5V
-
2.5V
10
14
5
R826
5V
1
C822
14.4V
100N
R820
1
C823
C824
47U/16V
5
100N
6
2.5V
+
SLEDGE-
6
12
SLEDGE+
5
9
7
MOT-
-
4
2.5V
IC807
MOT+
TDA7073A
3
451.0268.00
HOME
+
2
1
13
2
16
1
-
10
14
C819
47N
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
11
IC809
FLAGS
SAA7345GP
AUDIO
451.0266.00
ERROR
PROCCESSOR
CORRECTOR
12
Q-CHANNEL
24
CRC CHECK
Q-CHANNEL
HFIN
8
REGISTER
PLL
7
ISLICE
FRONT-
MICRO-
MOTOR
END
9
HFREF
PROCESSOR
CONTROL
INTERFACE
IREF
10
5
6
43
42
41
40
39
38
37
36
35
34
3
22
23
4
28
30
31
R843
13
5.6K
XR
5
D1
6
D2
XTAL
XIN
19
OSCILLATOR
7
D3
CL
DIVIDER
9
D4
VREF
16
10
R1
GENERATOR
11
R2
PREPROCESSING
8
VRL
LDON
2
17
CL
CL
CONTROL
23
FO
FUNCTION
1
22
RA
TDA1301T
451.0199.00
CL
25
R825
24
SL
26
12K
C827
47N
27
+5V
+5V
VDD2
VDD1
VSSD
VSSA
28
20
21
15
14
3
12
5V
5V
5V
R812
4.7
R813
+5V
1K
R815
12K
R816
12K
C818
47N
PA 1
DOBM
2
EBU
INTER-
FACE
DAC
3
DATA
19
SERIAL
DATA
DATA
WCLK
20
2
WS
INTER-
1
FACE
SCLK
21
BCK
TIMING
IC07
TDA1311A(DAC-S08)
32
27
17
13
14
16
44
15
5V
5V
R845
100K
4
R846
GND
KR801
4.7
16.9344MHz
+5V
R806
470
to Control Board
1
CN705
Seite/Page
2
3 - 7
+5V
Alle Spannungen sind Näherungswerte und bei Netzbetrieb gemessen.
All voltages are approximates and meassured at mains operation.
3 - 11
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
C859
220P
5
R853
M
5V
+5V
VDD
R858
4.7/W25ERD
10K
C857
IC805
8
R854
+
2
LM833N
VOR
-
4V
C861
4.7K
10U/50V
1
+
4V
7
4.7U/35V
3
N.C.
+
4V
451.0197.00
4
6
VOL
AUDIO BUFFER
+8V
R873
4.7K
8V
8
IC805
5
LM833N
+
4V
C869
7
+
4V
C864
R864
6
4.7U/35V
+
-
4V
4.7K
10U/50V
451.0197.00
R878
10K
M
C878
220P
STANDBY
SILD
SICL
RAB
R801
SIDA
470
+14.4V
TO MOTOR DRIVER TDA7073A IC807
IC801
OUT
IN
GL7805
+5V
C802
C801
REF
100N
330N
+8V
TO BUFFER LM833N
R716
R715
R714
1K2
1K8
1K8
2
to Control Board
CN708
1
Seite/Page
3 - 7
CT808
R876
Seite
1K
Page
T805
3 - 17
BC338-25
CN808
R-OUT
1
2
L-OUT
3
T804
BC338-25
R870
1K
FC901
7
MUTE
6
STANDBY
Seite
5
SILD
Page
4
SICL
3 - 7
3
RAB
2
CD_STOP
1
SIDA
CN106
3
CD_STOP
2
+14.4V
1
GND
Seite
Page
3 - 17
CN107
2
1
GND
R713
2K7
3 - 12
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Inhaltsverzeichnis
