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GRUNDIG Service
STR 622 TWIN
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
GRUNDIG Service
STR 622 TWIN
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
3 - 5
3 - 6
U
RGB
TV
U
AV
OUT3
U
AV
IN1
U
AV
OUT2
U
AV
IN2
3,3
CR1415
1k
CR1029
CR1027
1,5k
CR1028
5,1k
CR1026
1k
CR1033
47k/1%
CR1071
36k
CR1051
27k
CR1042
560k
CR1044
560k
CR1046
560k
CR1061
560k
CR1059
27k
CR1057
180k
CR1056
4,7k
CR1052
10k
CR1073
82k
CR1054
10k
CR1072
24k
CR1074
43k
CR1076
1,2M
CR1077
1,2M
CR1086
43k
CR1083
24k
CR1081
10k
CR1078
10k
CR1079
330
CR1277
1k
CR1278
47
CR1280
1k
CR1279
10k
CR1270
2,2k
CR1276
1k
CR1208
10
CR1205
100
CR1204
75
CR1209
470
CR1223
10k
CR1245
8,2k
CR1246
470
CR1233
470
CR1232
1k
CR1225
75
CR1231
470
CR1221
100
CR1227
75
CR1229
10
CR1228
10k
CR1215
470
CR1201
75
CR1211
470
CR1213
470
CR1212
8,2k
CR1216
470
CR1203
470
CR1255
470
CR1262
75
CR1269
100
CR1273
470
CR1268
10
CR1275
470
CR1263
10k
CR1251
82k
CR1252
4,7k
CR1254
470
CR1281
1k
CR1414
10k
CR1284
470
CR1417
220
CR1358
5,6k
CR1354
5,1k
CR1356
1k
CR1342
220
CR1338
100k
CR1359
10k
CR1418
10k
CR1419
10k
CR1180
10k
CR1045
10
CR1062
1k
CR1040
47k
CR1343
82k
CR1283
2,7k
CR1344
6,8k
CR1336
47
CR1087
1,5k
CR1337
470
CR1800
100k
CR1821
47k
CR1403
xx
820k
CR1443
xx
1,2M
CR1459
xx
6,8k
CR1460
xx
6,8k
CR1458
xx
100k
CR1455
xx
1M
CR1454
xx
2,2k
CR1450
15k
CR1266
47k
CR1265
100
CR1267
1k
CR1413
470
CR1401
470
CR1409
47k
CR1402
10k
CR1282
470
CR1416
xx
CR1049
xx
CR1058
100
CR1302
100
CR1300
BZX84C4V7
CD1246
33p
CC1346
100n
CC1354
100n
CC1356
220p
CC1339
CC1345
33p
100n
CC1415
15p
CC1029
0,1u
CC1412
100p
CC1026
8,2n
CC1030
2,7n
CC1042
15p
CC1041
100n
CC1044
100n
CC1046
100n
CC1061
100n
CC1059
22p
CC1054
1,8n
CC1073
100n
CC1053
15p
CC1056
2,7n
CC1057
8,2n
CC1052
390p
CC1072
220n
CC1074
1,5n
CC1076
100n
CC1077
100n
CC1086
1,5n
CC1083
220n
CC1081
390p
CC1078
1,8n
CC1079
470p
CC1233
470p
CC1221
470p
CC1231
470p
CC1223
470p
CC1213
470p
CC1211
470p
CC1201
470p
CC1203
470p
CC1262
470p
CC1264
100n
CC1062
100n
CC1047
xx
2,2n
CC1460
6,8n
CC1336
xx
3,3n
CC1458
xx
0,1u
CC1457
xx
33n
CC1456
xx
150p
CC1454
470p
CC1410
470p
CC1411
1,5n
CC1051
BC857B
CT1073
BC858B
CT1071
BC858B
CT1281
BC857B
CT1078
BC858B
CT1250
BC858B
CT1276
LS4148
CD1053
LS4148
CD1054
LS4148
CD1056
CD1038
CD1039
CD1041
LL4148
CD1344
LS4148
CD1282
LS4148
CD1283
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
12
11
10
xx
SDA5642
CIC1450
47u
L1047
10u
L1287
10u
L1286
+
47u/16V
C1284
+
0,47u
C1342
+
220u/16V
C1064
+
47u/16V
C1028
+
10u
C1043
+
10u
C1058
+
470u/16V
C1228
+
100u/10V
C1231
+
4,7u/63V
C1232
+
4,7u/63V
C1222
+
4,7u/63V
C1224
+
4,7u/63V
C1234
+
4,7u/63V
C1212
+
4,7u/63V
C1204
+
4,7u/63V
C1202
+
4,7u/63V
C1214
+
100u/10V
C1211
+
470u/16V
C1268
+
4,7u/63V
C1263
+
4,7u/63V
C1261
+
220u/16V
C1063
+
470u/16V
C1208
+
220u/25V
C1048
+
100u/16V
C1287
+
4,7u/63V
C1351
+
1u
C1339
+
47u/16V
C1282
+
330u/10V
C1286
+
47u/16V
C1283
+
10u/50V
C1400
+
10u/50V
C1409
SDA
SCL
SDA
SCL
V_TV
OUT
EXO
SYNC
AR_TV
OUT
AL_TV
OUT
AR_DEC
OUT
AL_DEC
OUT
V_DEC
OUT
V_TV
OUT
AR_TV
OUT
AL_TV
OUT
V_DEC
IN
V_DEC
OUT
AL_DEC
OUT
AR_DEC
OUT
AR_DEC
IN
AL_DEC
IN
V_DEC
IN
AL_VCR
OUT
AL_DEC
IN
AR_DEC
IN
V_VCR
OUT
AR_VCR
IN
AL_VCR
IN
V_VCR
IN
AR_VCR
OUT
AR_VCR
IN
V_VCR
IN
V_VCR
OUT
AL_VCR
IN
MOD
VIDEO
AL_VCR
OUT
AR_VCR
OUT
MOD
VIDEO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
TV
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
VCR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
DEC
IN
OUT
GND
9
8
6
5
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
F202004
F1029
BC848B
CT1350
BC848
CT1400
BC848B
CT1407
BC848B
CT1254
BC848B
CT1210
BC848B
CT1270
BC848B
CT1277
BC848B
CT1230
BC848B
CT1260
BC848B
CT1365
BC848B
CT1280
BC848
CT1405
BC848
CT1406
17,734MHz
Q1345
+
-
CIC1330
MP60
MP63
MP64
MP65
MP66
MP67 MP68
MP69
MP70
MP71
MP72
MP73
MP74
MP75
MP76
MP77
MP78
MP79
MP80
MP81
MP82
MP83
MP84
MP85
MP86
MP87
MP88
MP89
MP90
MP91
MP92
MP93
MP94
MP95
MP96
MP97
MP98
MP99
MP100
MP101
U
MOD
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
HEF4053
CIC1400
V
GND
VIDEEM1
UNCL DEEM
VIDEEM2
GND 5V
CLAMP IN
I REF
FC R
PK IN R
LEVEL R
LEVEL L
PK IN L
FC L
S1 VID RTN
S1 VID OUT
VOL R
VOL L
S3 OUT L
S3 OUT R
S3 VID OUT
S3 VID RTN
S3 RTN R
S3 RTN L
S2 OUT R
S2 OUT L
S2 VID
OUT
S2 VID RTN
S2 RTN L
S2 RTN R
V 12V
PK OUT L
CPUMP L
DET L
A GND L
AGC L
J17L
A 12V
V REF
PK OUT R
AMPLK R
CPUMP R
U75 R
U75 L
AMPLK L
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
21
22
24
25
26
27
28
34
37
38
39
40
41
43
44
45
46
48
49
50
51
52
53
54
55
STV0056A
IC1100
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
29502-025.45
MODULATOR
F
1u
1336
AMPIN
PDOUT
SEPC
SYNCIN
CVCR
SECAM
XTALIN1
XTALOUT1
XTALIN2
XTALOUT2
SYNCDET
CVOUT
CVIN
2
3
5
6
11
16
18
19
20
21
23
24
29
LC74763
CIC1331
CHINCH
CHINCH
BZX84C4V7
CD1216
n.V.
AL
AL
AL
AL
AL
AL
AL
AL
AL
AL
+5V_OSD
+5V_OSD
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
AR
AR
AR
AR
AR
AR
AR
AR
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
MG
MG
MB
MB
+12V/4
+12V/4
MR
MR
+33V
+12V/1
+12V/1
+12V/1
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+5V/D
+5V
+5V
+5V
+5V
170697
4,7V
2,4V
2,9V
2,7V
2,4V
2,4V
9
10
VIDEO
AUDIO
AUDIO
$06
2,5V
3,8V
3,5V
2,3V
1,6V
2,4V
3,1-3,6V
1,6V
2,4V
3,6V
3,2V
4,8V
4,8V
4,8V
5V
3,3V
2,7V
4,7V
4,7V
4,9V
5V
3,2V
2,7V
4,7V
4,7V
3-3,6V
1,4V
5V
2,5V
2,4V
4,3V
2,6V
2,4V
1,3V
5V
2,4V
8
8A
$21
TV
RECHTS
LINKS
LM358M