Inhaltsverzeichnis
Werbung
CDP 200
Schaltbild Signalverarbeitung
Circuit Diagram Signal Processing Part
1
2
3
4
5
SIGNAL PROCESSING PART
A
SIDA
SICL
11,2896MHz
SILD
B
3830
+3.5
RA
4R7
PoRes
SDA
SCL
OTD
SD
HF
SD
C
44
43
42
41
SSD
3848
3841
1
CL11
RSB
100
100
S-NSF
2
DOBM
EBU
+3.5
INTER
ATSB
3
V1
FACE
SD
Mute
D
4
V2
VERSATILE
S RAM
PINS
5
TEST2
T835
Data slicer
INTERFACE
EFM
6
TEST1
DEMOD.
3831
E
7
ISLICE
22k
HF
T895
8
HFIN
DIGITAL
3832
2829
9
HFREF
4k7
PLL
2832
2n2
2836
10
IREF
82p
F
22n
3847
11
Vdda
150k
+3.5
3833
12
13
14
15
4R7
HF
G
Innersw
Hf
3812
HF
HF
1M
CLK16
5800
LS
DMot1
CSAC33.29MHz
H
DMot2
DMot3
SD
SD
DMot4
I
J
K
Supply voltages
Explanation of abbreviations:
+A .....battery or ext. DC
% ......Tolerance of resistor is only 2%
+S .....switched +A
+uP ....3.5V (switched by low supply voltage
DC VOLTAGES MEASURED IN
shut-off circuit)
PLAY MODE - 1kHz 0dB LEVEL
L
+3.5 ...stabilized voltage of DC/DC converter
(SUPPLIED BY MAINS ADAPTOR)
+1.2 ...Referenze-voltage (only if power on)
V
EVM
+6 .....ext. DC
*) Single speed/double speed
M
1
2
3
4
5
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
6
7
8
9
10
+3.5
7830
SAA7345
40
39
38
37
36
35
34
3858
T833
33
CFLG
100
Q-CRC CHECK
FLAGS
RAB
32
RA
RA
Q-REGISTER
ERROR
CORR.
CL
31
SCL
14
AUDIO
3837
DA
30
SDA
PROC.
100
15
CLA
29
PEAK
PoRes
DET.
PORE
28
RAM
+3.5
ADRESSER
KILL
27
KILL
MOTOR
V3
26
CONTROL
25
V4
SERIEL DATA
+3.5
V5
24
TIMING
INTERFACE
MOTO2
SD
23
MOTO1
16
17
18
19
20
21
22
SD
1
2
16
3
T834
4,2336MHz
4
44,1kHz/88,2kHz*
5
SD
SD
17
6
18
16,9344MHz
CLK16
7
8
OTD
9
3853
T830
10
10k
11
SD
0V
SSD
0V
7853
BC858
S-NSF
13
SD
2ms/div
RSB
S-NSF
PoRes
SD
+3.5
6
7
8
9
10
CDP 200
11
12
13
14
15
SD
4M BIT (1M x 4) DRAM
+3.5
SD
7850
SAA7346
44
43
42
41
40
39
38
37
36
35
34
DATA
CONTROLLER
33
CFLG
MULTIPLEXER
A8
MONITOR
KILL
A0
32
SCLI
A7
31
30
WCI
A1
29
SDI
A6
CONFIG
A2
28
CLKIN
A5
27
TMS
26
A3
OTD
25
A4
SD
RCD2
VSS
24
SSD
VDD
23
I2S
3849
OUTPUT
+3.5
4R7
12
13
14
15
16
17
18
19
20
21
22
19
3844
T884
100
AD
20
13
3845
T883
2,1168MHz
100
44,1kHz
21
3846
T885
100
3859
1k
+3.5
2855
AD
SD
100n
2857
3,2V
100p
2858
11,2896MHz
T886
3305
T872
0R05
BC848
100p
7852
3,6V
3470
22k
3,3V
3477
10K
3469
10k
+3.5
11
12
13
14
15
2 - 5
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
16
17
18
19
20
+3.5
+3.5
7300
2300
TDA1305
330u
AD
2301
1
VDDA
VDDO
28
BITSTREAM - DAC
REF. SOURCE
100n
2
VSSA
WITH UPSAMPLING FILTER
VSSO
27
AD
3
TEST1
VREF
26
+
6xOVERSAMPL.
CAL.
4
BCK
VOR
25
2.ORDER
CURRENT
-
NOISESHAPER
SOURCE
2k
5
WS
FILTCR
24
6
DATA
FILTCL
23
6xOVERSAMPL.
CAL.
2k
7
CLKS1
-
VOL
22
2.ORDER
CURRENT
NOISESHAPER
SOURCE
+
8
CLKS2
ATSB
21
+3.5
9
VSSD
DSMB
20
MUTE
ATTENUATION
10
VDDD
MUSB
19
MUSB
11
TEST2
DEEM2
18
DE-EMPHASIS
12
XIN
DEEM1
17
CONTROL
TIMING
13
XOUT
CDEC
16
14
VDDX
VSSX
15
2306
100n
SD
16
17
18
19
20
21
22
2300 I15
2301 J15
2302 K15
2303 K15
2304 I20
2305 I20
2306 M18
A
2307 J21
2311 K20
2312 J20
2313 K21
2314 J21
2829 F 3
2830 B 3
2831 B 3
2832 F 2
2834 E 3
2836 F 3
2837 G 3
2838 G 3
B
2839 G 6
2840 C 3
2841 H 5
2842 H 4
2843 H 4
2850 F10
2851 F10
2852 I14
2853 E14
2854 J 9
2855 K11
C
2856 G 9
2857 K11
2858 L11
3301 I16
3305 L15
3311 K21
3312 J21
3354 L21
3406 D 3
3469 M11
D
3470 L11
3471 M21
3477 L11
3812 G 5
3829 F 2
3830 B 5
3831 E 3
3832 F 2
3833 G 3
3834 G 6
3835 G 7
E
3836 G 7
3837 D 8
3838 G 9
3839 G10
3840 C 8
3841 C 3
3842 G 6
3843 G 6
3844 J13
3845 J13
3846 J13
F
3847 F 3
3848 C 3
3849 I14
3850 E10
3852 J11
3853 I 9
3854 L13
3855 I10
3856 J10
3858 C 8
G
3859 K11
5800 H 5
5801 H 4
6350 L21
6850 I 9
7300 I17
7830 C 7
7850 F13
7851 E12
7852 L12
7853 J10
H
T830 I10
T833 C 8
T834 G10
T835 D 4
T841 L20
T872 L13
T883 J15
T884 J14
T885 J15
T886 L14
T895 E 3
I
AD
2314
2u2
J
AD
AD
2311
Right
1n
2313
Left
2u2
Mute
K
AD
+3.5
L
6350
+3.5
T841
BAS216
M
21
22
2 - 6
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