Grundig CUC 1838 Service Manual page 20

Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
CR80001
8
ENA ENA
M
SAT SAT
S3
CC80005 100k ENA
SAT
V1
100p
U
RGB
U U 24
RGB RGB
S3 CC80006
M
100p CR80004
23
U U
DVB DVB +F1
S3 CC80019
10k CR80006 U
DVB
CT80004
M
BC848B
47k
100p
CR80007
V10
28
DISEQC DISEQC +F1
S3 CC80025 10k
DISEQC
CT80008
M
BC848B
100p
CR80009
V10
42
U U
MUTE MUTE +F1
CC80007
S3 U
10k
M MUTE
100p
CT80009
CR80022
50
CL80020 V10 BC848B
+OEKO
+OEKO +OEKO +OEKO
47k
S3 CT80021
8104-982-31400 CC80024
BLM11A102S BC858B
V1
CC80021
470p
V1
10k
U
CR80024 AV1
100n
CT80022 OUT
BC848B
CC80008
V1
10k
V1
100p
U EURO
CR80023
5 AV1
U U EURO EURO
AV1 AV1
S3 V1
CC80009 U EURO
U U 6 CC80016 AV2
EURO EURO
AV2 AV2 100p
S3
V1 SDA
4 47p CC80015
SDA SDA
S3
V1 SCL
47p
2
SCL SCL
S3 V1
CC80010
RxD
CC80011
3 47p
RxD
V1
S3
TxD
1 47p
TxD
M
S3 CC80012
U POWER
62 470p OFF
U POWER
OFF
S3 CC80020 CC80031
CR80032 CR80033
M V10 +H/UP1
100p
68k 100k
2,2n
CR80034
25 CT80034 CT80033
U U
DATA2 DATA2
BC848B BC858B
S3
1k
U
CR80036
51 DATA2
M
V10
S3
1k
52
MA
S3
53
M
M M
S3
CC80014 MEGAL.
CD80064 CR80064
D_IN
V1
LL4148
20k
CC80068
100p
7
MEGA MEGA
LOGIC LOGIC
S3
100p
CT80068 M M
MEGAL.
CR80068
BC848B CR80067
D_OUT
M 100k
220 U STAND
BY
+H/UP1
54
U U STAND STAND
BY BY
S3 CC80026
M CT80041
100p
n.v.
CT80042
M
CC80022
n.v.
4,7n
U
CR70077 LAUF
26
U U
LAUF LAUF
S3
1k CR80072 U COPY
M CC80027
55 MODE
U U COPY COPY
MODE MODE
CR80071
S3 100p +H/UP1
1k
+H/UP1
U
P14 P10 CR80073
LED_G
xx
U LED 58 CC80032
G
S3 M 1k U
CR80074
100p LED_R
U LED 59 CC80033
R
P11
S3 M
1k
100p
CC80023
27
U RESET
MSP
U RESET
S3
M CT80077 MSP
CT80075 n.v.
100p
BC848B
ENT_ ENT_ 61
U U V10
MAG MAG U ENT-
+Q1 CR80076
S3
CC80034 MAG
+F1
M 22k
100p
V10
CR80078
U U 60 CT80080
IDENT IDENT V10
BC858B
CR80082 U
S3 IDENT
1k
22k
+H/UP2
M M
U EURO
AV2
CR80087
M
CT80085 +H/UP1
BC847B
CT80095
10k
U EURO
CR80089
BC847B
AV1
CR80090
390
CT80090
10k BC847B
120k
CR80097
CR80099
V1
56 CC80029 IR
V1 390
IR IR
S3 M
100p KB
CC80030
57
KB KB
S3
M BUS
63 100p BUSY
BUS
BUSY
S3
CC80013
M +H/UP1
1n
29
CD80101 CR80101
+H1 V10 MA
+Q1
LS4148
3k9
CT80105
BC858B
U RESET
CR80105
CC80209
BOX +H/UP1
+F1 MA
10k
47p
CT80108
M n.V.
BSN20
G
SDA CL80109 117 121
D S
+H/UP1
8104-982-31400
+F1
BLM11A102S
97
P6.2
G
99
P6.4
SCL
CL80110
D S 98
P6.3
8104-982-31400 CT80110
100
BLM11A102S BSN20 P6.5 0 = TV-on
CR80116 CR80114
+H/UP1
U STAND
2,2k 150
BY 101
P6.6
M
+H/UP1
M
IR CNW80121
76
P3.2
U
LAUF CNW80121
470
77
P3.3
U POWER
CNW80121
470
OFF 78
0 = TV-off
P3.4
470
+H/UP1
M
M M M
U
VGA CNW80121
79
P3.5
U
RGB CNW80132
470
80
P3.6
U
DVB CNW80132
1k
81
P3.7
1k
+H/UP1
M M M
U COPY
CNW80132
MODE 82
P3.8
CC80143
1k
U
LED_G CNW80132
n.v.
83
P3.9
TxD
CNW80144 1k
88
P3.10
1k
+H/UP1 CNW80144
1k
M
RxD
CNW80144
89
P3.11
U
LED_R 1k CNW80144
90
P3.12
U AV1
CNW80161
1k
OUT
91
P3.13
1k
+H/UP1
M M M
U
SLICER CNW80161
92
P3.15
U
CNW80161
IDENT 1k
93
P5.14
U
DATA2 CNW80161
1k
94
P5.15
1k
M M M
U
22k
CONTR.
5
P2.8 0 = TV-OK
ENA
22k CNW80171
SAT
6
P2.9
U
22k
MUTE CNW80171
7
P2.10
22k
DISEQC CNW80171
8
P2.11
CNW80171
+H/UP1
M M M M
BUS 1k
BUSY 9
P2.12
ENT-
U 1k
CNW80181
MAG 10
P2.13
MEGAL.
1k
CNW80181
D_OUT
11
P2.14
MEGAL.
1k CNW80181
D_IN
12
P2.15
CNW80181
CR80186
n.V.
CR80187
124 125 126 127
M M M M
n.V.
KB CNW80191
+2,5/2
U EURO
CNW80191
22k
AV1
U
EURO
CNW80191
22k
AV2
P13 U/NOTUSED
22k
CR80188
n.V. CR80192
18k CR80193 M
M M M M M M
18k
DIGI 100 Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
CR80266
V1 MA
CIC80241/37
M
U
RESET 0
MA
CR80219
M
CR80213
CR80212
n.v.
M
n.v.
M 3,3k
CR80211
82 M CC80213
Q80205
ST-JTAG
6MHz
CR80210
+H/UP1
10k
CR80209
M
120 108 109 2 4 3 1 95 96 10k
CIC80000
MQFP128
SDA6000
86 87 20 21 122 123 118 119 115 116 110 111 32 31 42 41 53
+2,5/1
M MA M
GRUNDIG Service 30
CC80232
+H/UP1 M ST-PRG1
n.v.
8
M
VCC
5
SDA CIC80230 7
6 TEST
SCL n.v.
A0 A1 A2 VSS
1 2 3 4
P12
M
102 103 112 113 114 105 104 128 75 74
D0
55
D0
59 D1
D1
A16
65 D2
D2
D3
71
D3
D4
70
D4
A16
D5
64
D5
A17
58 D6
D6
A18
54 D7
D7
A19
D8
57
D8
A20
D9
63
D9
CS3
D10
67
D10
72 D11
D11
66 D12
D12
D13
62
D13
+F1
D14
56
D14
D15
51
D15
37 A0
A0
36 A1 +H/UP2
A1
A2 (+3,3V/Mem.)
35
A2
(+3,3V/UP)
A3 +H/UP1
34
A3
33 A4
A4
27 A5
A5
26 A6
A6
A7
24
A7
A8
23
A8
25 A9
A9
28 A10
A10
29 A11
A11
A12
30
A12
A13
38
A13
39 A14
A14/RAS
40 A15
A15/CAS
22 A16
A16/P4.0
A17 +2,5/1
19
A17/P4.1
A18
18
A18/P4.2 (Analog)
17 A19
A19/P4.3
16 A20
A20/P4.4
15 CS3
CS3/P4.5
+2,5/2
8104-982-31600
BLM11B121SB_MUR
CL80256 MEMCLK
43
MEMCLK (Digital)
44 CSSDRAM
CSSDRAM
45 CLKEN
CLKEN
+H/UP1
46 CSROM
CSROM
47 RD
RD
UDOM
48
UDOM
LDOM
49
LDOM
50 WR
WR
73
RESET
M
52 61 60 69 68 107 106 14 13 85 84
+H/UP1
CD80259
1
BAT42
M
M
+H/UP1
DIGI 100
A
CC80250
M
0,1u
1
2
CR80260
3
4k7
4
5
6
7
8
9
+H/UP1
10
P4.0
ST-TEST3
ST-TEST1
1
P4.0
2
P4.1
3
P4.2
4
P4.3
5
P4.4
P4.5
P-CS3
M
+F1
(+5V F.)
STL45/4C
M
CR80238
0
L80237 (+3,3V Stb) B
+H1
PERLE
M M M M
CC80243
M
+H1
8 0,1u
CIC80240
1 4
KF25BD
VOUT NC
2,5V-REGULATOR
2 3 5 6 7
M
M
L80248
PERLE
M M
L80253
PERLE
M M M M
M
CC80268
CR80268
1k
10n
+H/UP1
CR80257
2,2k
FEATURE-MODUL
CIC80250
29504-203.2100
2
-203.2300
V6340/O
-203.2800
-203.4100
3
-203.4300
-203.4600
M
M
210501
GRUNDIG Service