GRUNDIG Service
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
CUC 2103, 2105, 2121, 2121 M, 2121 GB
CUC 2103, 2105, 2121, 2121 M, 2121 GB
27
28
Teilschaltplan Prozessor / Circuit Diagram Processor Section
M
xx
CC46003
n.v
.
1
2
ST-UHR2
+H
M
n.v
.
n.v
.
33k
CR81009
GB
INL
M
0
CR81001
BR178
n.v
.
n.v
.
22k
R81045
BR81051
F
C46001
0,47u
0
CR82504
BR80502
BR40571
BR81081
BR81706
OEM
10k
CR81506
BR81507
0
CR81507
HOSP IDENT
3
2
1
ST-BAT1
M
CR81041
100
U
ANLA
UF
LAST
BR84503
***
CR81509
10k
R81030
U
BA
T
U
ENTMA
4,7k
CR81019
4,7k
CR85502
15k
CR81035
BR81506
5
4
3
2
1
ST-BAT3
U
ANLA
UF
LAST
R81037
2,7k
U
MSP
RESET
V
SYNC
BR81504
10k
R81226
0
CR82505
+F
270k
CR82221
CR80013
100
CR81034
10k
+H/5V
M
4,7k
CR81061
MUL
T
I
xx
CC81701
180
CR85505
0,1u
CC46014
BR84501
BR84502
NF/UHR
5
4
3
2
1
ST-UHR
M
+H
D
ATA
n.v.
M
n.v.
n.v
.
M
M
XX
CC81088
100p
CC81080
XX
CC81081
100
R81081
BR80501
0
CR81711
HOSP IDENT
n.v
.
BU
S
RESET
OEM
M
n.v
.
OEM
10n
CC81035
SCL
BR81707
CLK
0,1u
CC81091
M
22p
CC81092
ENA SA
T
U
NF
MUTE2
BC848B
CT81225
M
22k
CR80012
0,1u
C81063
M
4,7k
CR85501
2,2n
CC85501
M
H
SYNC
TV
IR OUT
TV
V
SYNC
H
SYNC
27k
R81025
M
BC848B
CT81220
BU
S
RESET
IR OUT
IR IN
-051
L81061
VCC
SDA
SCL
A0
A1
A2
VSS
TEST
8
7
6
5
4
3
2
1
M24C08
CIC82501
1
2
3
MC33164
IC80500
1
2
ST-V2
HO
TEL
RESET
4MHz
Q80001
M
+F
R81054
470
BA592
CD80501
U
MSP
RESET
3,3k
R81055
47k
CR81511
0
CR81512
4,7k
CR81083
BR81050
M
+5V
IR
3
2
1
TFMS5300
IC84501
IR
10n
CC82501
10n
CC81032
0,1u
CC81711
2,2n
CC46026
2,2u
CC80502
1n
CC81033
0,1u
CC81062
39p
CC80001
0,1u
CC81066
100p
CC81026
100p
CC81028
10n
CC81021
39p
CC80002
1n
CC81007
100p
CC81038
***
CC81037
10n
CC81036
+
10u/50V
C81061
10n
CC81034
100p
CC81016
10n
CC81043
10n
CC81041
1n
CC81008
4,7n
CC46027
XX
CC81082
+
47u/16V
C84501
L+
P-
P+
L-
TLHR4601
D85511
U
LA
UF
TUN ST
OP
P-
CLK
D
ATA
AG
C
SD
A
+H
SCL
SD
A
P+
L+
L-
G
OSD
R
OSD
B
OSD
FBAS TEXT
M
SCL1
+H
M
M
1n
CC81023
M
M
M
M
M
M
M
M
V LIN
M
M
M
M
M
M
M
M
M
M
M
M
DiSEqC
M
M
M
100
CR81023
M
10k
CR81031
BR81701
M
U
D
ATA OSD
U
EUR
O-
A
V_1
U
ST
AND BY
M
M
M
22k
CR81040
10k
CR81087
4,7k
CR82502
+
10u/50V
C81064
22k
CR81047
5,6k
CR46022
DiSEqC
M
4,7k
CR81006
0
CR80001
10k
CR80501
1k
CR81043
100
CR81021
100
R81082
10k
CR81036
4,7k
CR81027
4,7k
CR81029
330
CR81008
5
4
3
2
1
ST-HOSP1
BR81503
4,7k
CR81022
100
R81080
R81026
100
1k
CR81007
22k
CR81050
15k
CR46026
D
ATA
1k
CR81032
10k
CR81056
4,7k
CR82501
82p
CC46004
M
1
2
ST
-M-LED
K
10n
C84001
1,2k
CR83501
2,2k
CR83502
4,7k
CR83503
1k
CR85504
8,2k
CR83504
10u
L81064
+F
+H
+F
+F
22k
CR81054
270
CR84501
+H
R81039
100
U
ENTMA
U
BA
T
100
R81090
U
NORM2
U
NORM1
U
NORM3
180
CR85506
22p
CC46023
+F
KSIG
HEF4066
12
13
14
1
2
3
4
5
6
7
8
9
10
11
IC81710
M
+H
M
SD
A
SCL
SD
A1
U
EUR
O-
A
V_1
PRG. COPY
PRG. COPY
+H
M
OEM
M
DiSEqC
M
M
1k
R46003
1u
CC80503
HOSP IDENT
+H
KB
CLK
IR
6
5
4
3
2
1
9
8
7
ST-IR-KB
U
LED
HO
TEL
RESET
10k
CR81016
M
0
CR85513
OEM
12V_GER
R
G
1
2
3
L-119EGW
D85507
BC858B
CT85502
0
CR85511
xx
CR85503
+F
n.v.
180
CR85512
100
R81033
M
100p
CC81048
M
MESS LED
CR81222
27k
10k
CR81020
6
5
4
3
2
1
7
ST-MAIL-TV
+F
IR IN
BR81702
R81042
100
U
BA
TNT
OFF
BR81705
BR81704
M
10u
L81062
R81028
100
100p
CC81049
100
CR81048
RESET
P2.5
P4.4
P4.6
P3.4
JTCK
MCFM
TEST0
A
VDD3
A
VDD2
A
VDD1
WSCR
WSCF
CVBS1
CVBS2
JTRSTO
GND
GNDA
JTMS
P0.1
JTDO
P4.2
P4.3
P5.0
TXCF
PXFM
P0.2
P2.0
P3.5
P2.4
P3.7
P4.5
P5.1
P0.0
OSCIN
OSCOUT
P4.0
P4.1
P2.2
P2.1
P0.4
P0.3
P4.7
P2.3
P0.5
P3.6
P0.7
VDD
P0.6
CVBSO
HCYNC
VSYNC
R
G
B
FB
37
36
35
32
56
55
54
53
52
51
50
49
48
47
46
45 44
43
42
41
40
39
38
34
33
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
ST92195
IC81500
100
CR81049
M
100
CR81053
100p
CC81053
M
100
CR81052
100p
CC81052
10n
CC81059
M
100
CR81059
0
CR80503
22k
CR81003
100
R81060
MESS LED
4,7n
CC81093
22k
CR81024
5,6k
CR81093
M
22k
CR81051
ROBO
ROBO
ROBO
0
CR82506
0
CR82507
M
STEREO
MONO
n.v
.
100
CR81045
10k
CR81044
M
U
ECO
U
PO
WER
OFF
+F
+M
U POWER
OFF
+M
+M/1
+F
+F
+A
+5V/A
+5V/A
+5V/ASIS
+5V/ASIS
+5V/D
G
M
M
+H
+H
+H
+H
+H
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
+H/5V
NUR BEI EXT. NETZSCHALTERPLATTE/BEDIENEINHEIT
SEUL. POUR
ONLY WITH
SOLO CON
SOLO CON
CLOCK
W
.W
. ST
-UHR1
NUR BEI
CLOCK-MODUL
SEUL. POUR
SOLO CON
SOLO CON
ONLY WITH
w.w. PROZESSORPL. 29305-219.1600/....
ww
.TLDR4100
24
23
19
20
21
22
22
OPTION uP6
5
4
3
2
1
ST-BAT2-4
OPTION uP9a
OPTION uP9b
OPTION uP10
OPTION uP8
OPTION uP4
OPTION uP3
OPTION uP2
OPTION uP1
OPTION uP5
OPTION uP7
OPTION
OPTION
OPTION
OPTION
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
***
10
30
18
TSOP1236
ENTF. BEI EXT. NETZSCHALTERPLATTE
ENTF. BEI EXT. NETZSCHALTERPLATTE
NO EXISTE EN
NO EXISTE EN
MANCA CON
MANCA CON
N’EXISTE PAS POUR
N’EXISTE PAS POUR
DELETED WITH
DELETED WITH
AL MOD. SAT.
AL MOD. SAT.
VERS MOD. SAT.
TO SAT.-MODULE
ZUM SAT-BAUSTEIN
PROZESSOR
B
210102
21937-907.01
B
SEITE / PAGE 41
SEITE / PAGE 38
C
SERVICE MANUAL
SEITE / PAGE 3-36
SEITE / PAGE 38
SEITE / PAGE 38
IC81500
Pin 1
4,7V
Pin 2
5 V
Pin 3
0 V
Pin 4
0 V
Pin 5
0 V
Pin 6
0 V
Pin 7
0 V
Pin 8
0 V
Pin 9
5 V
Pin 10
0 V
Pin 11
0 V
Pin 12
4,9V
Pin 13
4,9V
Pin 14
5 V
Pin 15
0,4V
Pin 16
0,7V
Pin 17
0,7V
Pin 18
0 V
Pin 19
4,9V
Pin 20
4,9V
Pin 21
4,9V
Pin 22
0 V
Pin 23
0 V
Pin 24
0 V
Pin 25
4,9V
Pin 26
4,9V
Pin 27
0 V
Pin 28
0 V
Pin 29
0 V
Pin 30
0 V
Pin 31
5 V
Pin 32
0 V
Pin 33
2,4V
Pin 34
1,3V
Pin 35
0 V
Pin 36
0 V
Pin 37
0 V
Pin 38
0 V
Pin 39
4,9V
Pin 40
0,9V
Pin 41
1,8V
Pin 42
2,2V
Pin 43
3,1V
Pin 44
4,9V
Pin 45
4,9V
Pin 46
0 V
Pin 47
3,8V
Pin 48
2,5V
Pin 49
4,6V
Pin 50
0 V
Pin 51
0 V
Pin 52
4,9V
Pin 53
0,1V
Pin 54
0 V
Pin 55
0 V
Pin 56
1,9V
Bei den in den Schaltplänen angegebenen Messwerten handelt es
sich um Näherungswerte!
The measured values given in the circuit diagrams are approximates!
*** oder OPTION – siehe Seite 29
*** or OPTION – see page 29