Inhaltsverzeichnis
Werbung
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
CD-Wechsler / CD Changer (CDC Board)
1
2
3
4
1805 10
-
+10V
A
2876
1805 12
-
470u/16V
POWER SUPPLY
+5V
+5
3870
1805 11
-
GND
1805 1
-
OE_LATCH
B
3896
3888
3871
1805 8
-
STR_OUTP
C
1805 7
-
SHR_CL
D
CPU
1805 3
-
+5
+5
GND
3872
3877
3874
E
SWITCH_INFO
1805 9
-
1805 4
-
SILD
F
-
1805
5
DATA
-
1805
6
SICL
G
CDM12.1
DISC DRIVE
1800
9
3800
-
D2
120k
H
3802
1800
-
10
D3
120k
1800
-
12
3804
D4
I
56k
J
1800
-
11
D5
1800
-
8
D1
K
47p
47p
100p
2812
2813
2814
+5
18p
2815
L
1800
-
7
+5C
2816
47u/10V
7801
M
BF240
3810
1k
1800
-
5
GND
3891
3811
15k
15k
3812
N
330k
3813
47k
ALPC
1800
-
6
LDON
O
1
2
3
4
2 - 11
5
6
7
8
9
10V
+10
3887
LOADER CONTROL
5.1V
2872
100n
7872
6875
BZX79C5V1
HEF4094BT
16
15
EN3
VCC
1
C2
SRG8
3
C1/
2
4
1D
2D
3
5
6
INNER SWITCH
6874
7
1N4148
14
1881
6872
13
1N4148
12
CDM SWITCH
1880
11
6871
9
1N4148
O/C SWITCH
10
GND
1882
6873
8
1N4148
CAR SWITCH
3878
3875
3876
+5
10k
220k
7874
BC548
3894
5V
+5
3R3
2826
3801
SAA7378
10k
2800
2801
180p
220p
3803
10k
3827
2802
2803
390k
180p
220p
3805
10k
2804
2805
330p
220p
3806
10k
2825
2806
100n
2822
3825
220p
2k2
2n2
2823
3807
10k
2807
2808
1n5
220p
2824
22n
1
3808
10k
HF-OUT
2810
2811
eyepattern
560p
220p
2.5V
0,5us/DIV
2850
>800mVpp
1n
3897
HF AMPLIFIER
3814
3815
3816
3823
2821
22n
7805
7803
7804
BC548
BC558
BC548
3820
3892
3822
3893
3829
100R
330E
100E
330E
100E
7802
BC548
3824
2819
2820
3817
330p
180p
2817
180p
3821
3818
2818
3819
47u/10V
CPU
5
6
7
8
9
GRUNDIG Service
M 100-CDC
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
10
11
12
13
14
+10
3851
10V
3R3
7871
-2A
2873
TDA7073A
100n
5
1877
3879
16
10k
2
1
5V
3880
2874
22n
1
3881
1878
13
10k
1
3882
5V
CARROUSEL MOTOR
14
7871
-2B
TDA7073A
1875
3883
9
100k
1
6
5V
3884
2829
2875
10u/10V
22n
7
1876
3885
12
100k
1
3886
5V
TRAY MOTOR
10
DECODER
3890
470R
3873
470R
3889
470R
2827
2828
100n
100n
47u/10V
7800
VSSA1
VDDA1
VDDA2
VSSA2
VSS1
VDD1P
VSS2
VDD2P
VSS3
3
D1
MICROPROCESSOR
4
D2
OUTPUT
INTERFACE
STAGE
5
D3
&
CONTROL
7
D4
ADC
10
IREFT
6
VRL
8
R1
SUBCODE
PROCESSOR
9
R2
PEAK
DETECT
DIGITAL
PLL
11
VRH
VREF
GEN
SERIAL
EFM
DATA
3826
14
ISLICE
AUDIO
DEMOD
INTERFACE
PROCESSOR
15
HFIN
FRONT
17
HFREF
END
47p
18
IREF
ERROR
SRAM
CORRECTOR
FLAGS
RAM
ADDRESSER
58
STATUS
EBU
DECODER
INTERFACE
MICRO
PROCESSOR
INTERFACE
57
RESET
+5A
13
SELPLL
VERSATILE
MOTOR
TIMING
TEST
KILL
50
CL4
INTERFACE
CONTROL
VSS4
+5
3831
22k
22k
3
4
3830
3828
1M
5800
SAGA-7CHA-01
1810
+5
+5
+5
8.46MHz
1
6
1
3
2853
7809
BC328
2
3835
47n
2833
2834
22p
22p
3834
3836
7808
BC548
2848
47u/10V
GND
10
11
12
13
14
2 - 12
15
16
17
18
19
SERVO DRIVERS
5
3839
150k
6
3840
150k
4
3842
10k
2841
1n2
+5
3
3845
3895
10k
2844
5V
1n2
2831
2832
100n
47u/10V
+5A
2
3848
3849
8k2
8k2
2846
+5A
VDD3C
22n
RA
26
27
3837
FO
SL
28
LDON
64
SBSY
35
2835
3838
2836
36
SFSY
100n
47u/10V
SUB
38
RCK
37
SCLK
48
WCLK
46
DATA
45
MISC
44
3832
470u/10V
CFLG
61
GNDA
C2FAIL
60
LEFT INPUT REGISTER
3809
DOBM
31
100R
LEFT OUTPUT REGISTER
2849
LEFT BIT SWITCHES
47p
NC1
55
MOT2
34
BCK
1
CONTROL
MOT1
33
2
WS
AND
3
DATA
TIMING
VSSA3
2854
47u/25V
RIGHT BIT SWITCHES
RIGHT OUTPUT REGISTER
RIGHT INPUT REGISTER
3899
Component numbers:
3865
10K
IDENTIFICATION RESISTOR
Servo-decoder:
Audio-part
Interface + Loader
DIG.OUT
15
16
17
18
19
M 100-CDC
20
21
22
+10
3852
3R3
7807 -2A
10V
2837
TDA7073
100n
5
16
5
1
0.25V
2
2838
100n
2840
3841
100n
1
13
5
0.25V
1
2839
100n
14
7806 -2A
TDA7073A
9
5
3843
2.5V
6
1
8k2
2842
3844
10N
7
12
5
2.5V
1
+10
10
3853
3R3
7806 -2B
10V
2843
TDA7073
5
100n
16
5
3846
1
2.5V
2
8k2
2845
3847
10n
1
13
5
2.5V
1
14
7807 -2B
TDA7073A
9
5
2.5V
6
1
3850
2847
2809
100n
100n
7
12
5
2.5V
1
10
+5
3869
4.4V
DAC AUDIO
2851
2852
100n
7852
TDA1545AT/N2
GNDA
5
VDD
6
IOL
IBL
32 (5-BIT)
CALIBRATED
CURRENT
11-BIT
SOURCES
PASSIVE
1 CALIBRATED
DIVIDER
REFERENCE
38
SPARE SOURCE
7
IREF
1
1 CALIBRATED
SOURCE
11-BIT
SPARE SOURCE
PASSIVE
32 (5-BIT)
DIVIDER
CALIBRATED
RREF 11k
CURRENT
SOURCES
IBR
8
IOR
VSS
4
GNDA
2830
x800 -> x850
100n
x851 -> x870
2855
GNDA
x871 -> x899
100n
GNDA
20
21
22
GRUNDIG Service
Werbung
Inhaltsverzeichnis
