GRUNDIG Service
Circuits imprimés et schémas électriques / Layout of the PCBs and Circuit Diagrams
CUC 7303 FR
GRUNDIG Service
Circuits imprimés et schémas électriques / Layout of the PCBs and Circuit Diagrams
CUC 7303 FR
Synoptique du chassis / General Circuit Diagram
4 - 9
4 - 10
22k
CR881
100
CR861
150k
CR2849
330
CR2848
5,6k
CR2850
4,7k
CR879
100
CR864
100k
CR880
0
CBR881
U
BATT
0
CR830
LS4148
CD830
**
CR2825
0
CR2820
10k
CR860
BC858B
CT2831
U
ENTMA
U
BATT
10k
CR2830
*
2,2k
CR835
2,2k
CR850
INL
U
SCHUTZ
2,2k
CR836
K
C671
270p/2kV
F
C2856
33n
5,6k
CR834
4,7k
CR820
1
2
ST-BAT1
0
CR865
1,8k
CR2829
680
CR2821
47k
CR2833
U
DATA PERI
U
EURO-
AV
BC858B
CT2821
LS4148
CD2829
U
ENTMA
270
CR2814
*
CR2813
LS4148
CD2827
FBAS
EURO-AV
U
VQ
+
2,2u/100V
C2816
FBAS
SC
+
100u/25V
C2810
0,1u
CC2811
6dB
0dB
0dB
1
2
3
4
5
6
7
8
TEA2114
IC2807
+
1u/100V
C2815
LINESTO
LINESTO
PLL
CLOCK PROZ.
8
5
4
3
16
14
TDA4665T(O
TDA46
C621
1n
10p(FR)
CC109
10n
CC682
47k
CR813
10k
CR826
47k
CR812
100
CR870
0
CR866
4,7k
CR829
1,8k
CR821
220
CR844
100k
CR848
47k
CR852
*
CR856
33
CR857
150k
CR863
3,9k
CR824
3,9k
CR823
10k
CR827
3,9k
CR822
390k
CR853
110k
CR854
68k
CR855
330k
CR849
220k
CR846
SSC
4,7k
CR841
10k
CR858
68k
CR862
100
CR833
100
CR873
10k
CR839
3,3k
CR868
3,3k
CR869
1k
CR807
1k
CR808
100
CR875
47k
CR876
100
CR877
150k
CR878
100
CR825
5,6u
L641
100
CR845
470k
CR101
8,2k
CR103
10k
CR104
47k
CR102
2,2k
CR107
10k
CR108
10k
CR106
1,2k/1%
CR687
390/1%
CR673
BR641
GB
BR182
430/1%
CR686
3,4k/1%
CR674
3
2
1
ST-BAT3
P
P
P
P
P
P
P
P
P
P
P
P
P
M
M
P
P
P
K
470p
C653
K
1n/400V-AC
C604
K
1n/400V_AC
C603
U
STAND
BY
2,2k
CR859
1M
CR656
XX
CC2841
+
1u/100V
C851
10k
CR832
39k
CR838
330k
CR847
47k
CR851
100
CR641
INL
1
2
ST-BAT2
+5V
IR
3
2
1
TFMS5300
IC810
TLHR4601
D816
SDA
SCL
SCL
ENA
P-
SDA
P+
0,1u
CC827
U
EURO-
AV
+
-
VREF
5,0V
U<8,5V
G
LOGIK
BWM
V
8
7
6
5
4
3
2
1
UC3842N/AN
IC630
2
56
R664
U
STAND
BY
U
NF
MUTE
18MHz
Q857
BC858B
CT106
R621
4,7
4
3
2
1
S601
1
2
3
MC7805T
IC690
LS4148
CD673
LS4148
CD654
LS4148
CD656
-(R-Y)
-(B-Y)
TUNING
PHASIS
DEEM
PLL
BELL
ACC
SWITCH
IDENT.
CONTROL
FACE
INTER-
11
12
13
14
15
16
5
6
7
8
3
4
1
2
TDA8395N2
IC110
VCC
SDA
SCL
A0 A1 A2 VSS
TEST
8
7
6
5
4
3
2
1
X24C02
IC830
ZTK33B
D683
3,6V
D663
n.v.
U
DATA
U
FBAS
U
DATA-P
U
KOIN
U
NORM1
U
VQ
BC848B
CT826
BC848B
CT101
BC848B
CT107
BC848B
CT840
L819
-051
+
470u/40V
C672
+
2,2u/63V
C663
3
2
1
KB
+
47u/16V
C811
+
47u/16V
C108
+
4.7/63V
C863
+
100u/25V
C695
+
22u/16V
C687
+
47/50V
C683
+
470u/25V
C676
+
100u/25V
C667
+
*/385V
C626
+
100u/250V
C682
+
1u/63V
C661
+
2,2u/100V
C656
BY297
D671
BY299
D682
BYT53G
D668
1N4003
D664
1N4003
D666
BA157
D662
BA157
D667
BYT53B
D661
5,6k
CR837
0,1u
C819
BR601
BR600
4
470
R669
P3
P3
4,7M
R627
FR/OIRT
3
2
1
LM317T
IC676
100p
C681
C623
1n
F
1n/FKP/1600V
C669
F
2,2n/400V_AC
C627
F
0,22u
C112
F
*/MP3/250V/AC
C601
826-97
29500-
L601
1N4007
D623
1N4007
D624
1N4007
D621
1N4007
D622
n.v.
100p
CC805
0,1u
CC831
10p
CC2823
10p
CC2822
10p
CC2821
0(OIRT)
91k(FR)
CR109
56p
CC854
15p
CC856
10n
CC838
100p
CC869
100p
CC868
2,2n
CC821
100p
CC822
1n
CC823
100p
CC837
1n
CC836
100p
CC866
2,2n
CC863
100p
CC859
100p
CC855
100p
CC852
100p
CC848
100p
CC842
100p
CC825
100p
CC865
0,1u
CC107
0,1u
CC111
1n
CC106
0,1u
CC108
1n
CC114
1n
CC113
2,2n
CC674
0,22u
CC694
0,1u
CC695
0,22u
CC673
0,1u
CC676
10n
CC653
1,2n
CC654
LS4148(FR)
CD109
T2,5A L
SI600
*
R666
0,82
R667
220
R661
18
R663
1k
R665
4,7k
R651
330
CR816
22k
CR817
270
CR811
100
CR803
C622
1n
150k
CR654
*
R653
10k
R652
U
AFC
U
RV
15
R685
2 56k
R633
BR056
0
CR867
*
R609
5
4
3
2
1
IR-BA
B
OSD
V
SYNC
H
SYNC
100uH
L108
470
R654
2
12k
R681
330k
CR840
GB
MJF18004C
T665
BC337/25
T686
2
1
N3
390k
CR116
1
2
3
5
6
7
10
*
TR601
200k
CR115
4,7n
CC115
BC848B
CT115
10k
CR114
U
PAL
U
PAL
3
2
1
MC33164
IC820
C624
1n
220p
CC807
IR
Min.
+A
37cm
OIRT
BR663
BR646
37cm
37cm
0,1u
CC818
82k
CR818
6,8u/2%
L2836
120p/2%
CC2837
33p/1%
CC2836
33n
CC2803
33n
CC2802
0,22u
CC2801
6,8k
CR2803
6,8k
CR2802
8,2k
CR2801
4,7k
CR2812
4,7k
CR2811
4,7k
CR2810
1M
CR2839
1,5n
CC2851
T2,5A
SI671
F
C2858
33n
PMBT2369
CT2850
22k
CR2853
10k
CR2852
22k
CR2858
22k
CR2856
3,9k
CR2851
10k
CR2842
xx
CR2846
10k
CR2843
xx
CR2847
10k
CR2841
BC858B
CT2845
xx
CT2840
10k
CR2832
xx
CR2836
10k
CR2834
xx
CR2837
10k
CR2831
BC858B
CT2835
xx
CT2830
10k
CR2822
xx
CR2826
10k
CR2824
xx
CR2827
10k
CR2823
BC858B
CT2825
xx
CT2820
GB
*
R683
1k
CR819
+
1u/100V
C827
+
2,2u/50V
C106
0
CR110
OIRT
F
C652
4,7n
0
CR2815
+
4,7u/63V
C818
100p
CC2850
OIRT
TEXT
10n
CC881
**
CT881
33k
CR882
U
25Hz
U
AUDIO
BR671
n.V.
TEXT
n.v.
C664
4,7n
220p
CC808
ZD18V/2%
CD651
CL
35
VDD
VSS
VSS1
P0.3
P0.4
P3.4
P2.1
P2.2
P1.7
P2.3
P3.6
VSS
XTAL1
XTAL2
P1.0
P1.1
P1.2
P1.3
P1.4
VS
P3.5
HS
P2.0
P1.5
LCIN
LCOUNT
CVBS
B3
B1
UHF
15CL
FIL
25CL
FIL
FIL
P1.6
P0.2
P0.1
P0.0
P3.7
RESET
P0.5
P0.7
FBKG
B
G
R
P4.0
VDD
P3.2
VDDA
IREF
P3.1
P3.0
P3.3
P0.6
51
52
48
49
50
47
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
28
29
25
26
27
19
20
21
22
23
24
18
17
16
15
12
13
14
11
10
1
2
3
4
5
6
7
8
9
SDA5252(TEXT)
SDA5222
IC850
0,1u
CC826
12V_GER.
12V_GER.
12V_GER.
+
2,2u/100V
C2817
10n
CC2845
10n
CC2835
10n
CC2825
15p
CC2820
0,1u
CC820
22k
CR100
**
CR105
4,7k
CR883
37cm
37cm
37cm
37cm
4
33k
BYT54M
10
0,56
1k
0,56
F
470p/FKP/1600V
F
33n/630V
1N4003
1N4003
P
P
P
BYT54M
P
P
P
4,7k
OIRT
+
2,2u/100V
C115
3
2
1
B
+B‘
+M
+M
+H
+H
+H
+H
+H
+H
+H
+H
+H
+H
+H
+H
+H
+H
+H
+H
+H
+H
+H
+H
+H
P
P
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
+A
+A
+12V
+33V
+33V
+8V
+B
G‘
+H/1
+H/1
+H/1
+H/1
+H/1
+H/1
+H/1
+H/1
+H/1
+E
+E
27kV ROEHRE
STANDART
ENTF. BEI 20/21" TEXT
NO EXISTE EN
MANCA CON
N’EXISTE PAS POUR
DELETED WITH
SOLAM. EN CASO DE‘ APPAR. A 12V
SOLO CON PER APPAR. A 12V
SEUL. POUR 12V APPAREIL
ONLY FOR 12V SETS
C669
L646
D646
D647
R647
C647
R666
R667
R665
D666
D664
R663
T665
R661
27kV ROEHRE
NUR BEI 12V GERAETE
10k OIRT
(6)
+112 Volt bei 37cm ORION
+105 Volt bei 37cm PHILIPS
20"/21"
Comme alternative
C.I. du microprocesseur
29305-119.28/29 (Page 4-18)
RESET
1
823.96
+124 Volt bei 15"-21"
4,3V
3,3V
8V
5,8V
1,6V
0,8V
1,4V
1,4V
30
SECAM
2
6
4
5
3
1
160V
+5V
PTC
(4)
(9)
(12)
(15)
(18)
+8V
10
9
8
7
6
5
KB/IR/BA
4
3
2
1
+16,5V
+12V
230V
NETZ
Alternatively Processing Board
29305-119.28/29 (Page 4-18)