Circuit Diagram Signal Processing Part And Audio Part - Grundig CDP75 Bedienungsanleitung

CDP 75 / CDP 110
Schaltbild Signalverarbeitung und NF

Circuit Diagram Signal Processing Part and Audio Part

1 2 3 4
SIGNAL PROCESSING/AUDIO PART
A
B
+3.5 +3.5
C
T894
RA
+L
3,2V
PoRes
SDA
D SCL
Mute
A SD HF SD
+uP +uP
7830
3,5V
SAA7345
44 43
E
DMot1 CL11 3827 3841 11,3MHz 1,8V
1 CL11
0R05 1k
EBU
2 DOBM
+3.5
INTER
FACE
3 V1
SD
F 3,5V
4 V2
Innersw
S RAM
5 TEST2
HF
2834 EFM
6 TEST1
HF
DEMOD.
47n
3831 1,8V
7 ISLICE
G 22k
1,8V
T895 8 HFIN
3832 2829 2835 1,8V
9 HFREF
HF 1k
2n2 47p
2836 1,8V
10 IREF
+L
+L
HF
22n
H
+3.5 3847
+3
11 Vdda
150k
GNDHF
+3.5 3833
3,5V
GNDSD 12 13
22R
HF
SD HF
I CLK16 T821
3812
HF 1M
5800
CSAC33.87MHz
J
SD HF HF
K
UBS
RC
L
DC VOLTAGES MEASURED IN
PLAY MODE-1kHz 0db LEVEL
(SUPPLIED BY MAINS ADAPTOR)
M
V
EVM
1 2 3 4
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
5 6 7 8 9
+3.5
T885
DATA SDAT
1
SD
42 41 40 39 38 37 36 35 34
SCLK SCLK
2
CFLG 33
2,1MHz
T883
Q-CRC CHECK
FLAGS
0,3V RA
RAB 32
Q-REGISTER ERROR
CORR. WCLK T884 LRCK
3
3V SCL
CL 31
44,1MHz
AUDIO
3837
DA 3V SDA
30
100
PROC.
VERSATILE
CL11 MCLK
4
PINS 2844 SD
CLA 29
11,3MHz
INTERFACE PEAK
47n
DET. PORE 28 PoRes
RAM 3,8V
ADRESSER KILL 27 kill
3,4V
KILL
MOTOR V3 26
CONTROL
DIGITAL
T887
V4 25
PLL
SERIEL DATA
T888
V5 24
TIMING INTERFACE
MOTO2
23
MOTO1
Mute 3,6V
14 15 16 17 18 19 20 21 22
3,5V 1,8V 1,2V 1,8V 1,8V 2V
3854
+3.5
47k
kill
SD
A
HF HF
19 21 20
5 6 7 8 9
CDP 75 / CDP 110
10 11 12 13 14
3323
3k3
3321
2k7
7300 CS4331 7363
0V
BC848B
3315
3305 1k
AOUT 2313
DELTA-SIGMA 5
DAC LP 560
MODULATOR 1,5V 0,8V
LEFT 4u7
A
A
DE- VDD
7
EMPHASIS
3,3V
3301
+3.5
15R
VOLTAGE
REFERENCE
GND
6
ANALOG
A A
3306
AOUT 2314
DELTA-SIGMA 8
DAC LP 560
MODULATOR
RIGHT 1,5V
4u7
A
0V
+uP +A
Muting 7350
0V
BC858C muting
control 6,3V
3,7V
3324
3k3
6,3V
3322
2k7
T832
3355
6,3V
22k
3354 3,4V
150k
7351
3,6V
7852 BC848
0V
BC848
3316
3,5V
7364
1k
BC848B
+3.5
0,8V
3,6V
A
7370
BC858
3420 3421
UBS 2,9V
10k 10k
A
TDA1308
8 5
1 4
10 11 12 13 14
2 - 5 GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
15 16 17 18 19
2321
1n
7312
1,8V
3325 2323
5 TDA1308
3k3
3365 3369
1,8V 2325 0V
2u2 7
18R 18R
1,8V
6
220u
4
0V 0V
7365
A
BC817
A A
A A
+3.5
3300
EVU 50kC
A
A A
1,8V
3366 3370
2326 0V
2
2322 2324 18R 18R
1,8V 1,8V
1
220u
TDA1308
3
1n 0V 0V
7312
2u2 7366
8
BC817
A
3,6V A
+3.5
A
3326
3k3
muting
Supply voltages:
Explanation of abbreviations:
+A .....battery or ext. DC
+S .....switched +A
+uP ....3.5V (switched by low supply voltage
% ......Tolerance of resistor is only 2%
shut-off circuit)
+3.5 ...stabilized voltage of DC/DC converter
+1.2 ...Referenze voltage (only if power on)
+6 .....ext. DC
15 16 17 18 19
20 21
1350 E21
2304 F12
2305 F12
2311 E13
2312 G13
2313 D12
2314 F12
A
2319 D15
2320 I15
2321 C15
2322 H15
2323 C16
2324 H16
2325 D18
2326 H18
2329 D17
2330 G17
2351 H12
2386 F17
B
2392 F21
2501 J12
2829 H 3
2830 D 3
2831 D 3
2834 G 3
2835 H 3
2836 H 3
2837 I 3
2839 J 3
2841 J 5
C
2842 J 4
2843 J 4
2844 F 8
2856 J 7
2955 D 3
3300 E16
+3.5
0V
3301 E13
3305 D13
3306 F13
3315 D14
ESD
D 3316 I14
BC817
7367 3317 D14
3318 I14
3319 C14
3320 H14
3321 C15
3322 H15
3323 B15
3324 H15
T890
3325 C15
3326 H15
E
3327 D17
3328 F17
1350
3329 D18
T825
1 3330 G18
2 3331 D18
3 3332 H18
4 3333 D18
5
3334 H18
3351 H11
3352 H12
Headphone
3353 H12
T824 T882 T826 F
3354 H11
3355 H12
3361 E17
3362 F17
3363 E16
3364 G16
3365 D19
3366 H19
3367 D19
3368 H19
A ESD
G 3369 D19
3370 H20
3371 D19
3372 H20
3406 F 2
3420 J11
3421 J12
0V
3495 D21
+uP 3812 I 4
3827 E 2
3,7V
3828 E 2
BC817 H
3830 C 4
7368 3831 G 3
3832 H 2
A 3833 H 3
3,3V
3834 I 6
3835 I 6
3836 I 7
3837 F 8
3840 E 8
3841 E 3
ESD
3842 I 5
I
3847 H 3
3848 J 5
3854 I 9
3955 C 3
5800 I 4
5801 I 4
6390 D21
6490 H21
7300 D10
7312 H17
J 7312 C17
7350 G12
7351 I11
7363 D14
7364 I14
7365 D19
7366 H19
7367 D20
7368 H20
7370 I12
7830 E 7
K
7852 I10
T821 I 3
T824 F20
T825 E20
T826 F21
T832 H11
T835 I 5
T882 F20
T883 E 9
T884 F 9
T885 D 9
L
T887 G 8
T888 H 8
T890 E21
T894 C 2
T895 G 3
M
20 21
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