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Loewe Q4100 Serviceanleitung Seite 94

Chassis
Inhaltsverzeichnis

Werbung

1
2
3
an SAT-Empfangseinheit
W1087
out L
W1086
out R
to SAT Receiver
Z
weiß,white
rot,red
a Recepteur SAT
su Predisposizione SAT
W1156
R1031
bl
15k
Q1091
R1087
Q1092
R1086
BC847B
100R
BC847B
100R
Y
R1061
R1083
R1084
15k
47k
47k
R1092
R1091
R1062
1k5
1k5
C1037
C1081
C1082
15k
47µ
47µ
47µ
C1032
470n
R1093
C1062
X
47k
Q1093
470n
R1156
R1081
R1082
BC857B
C1034
75R
330R
330R
220p
C1024
W
C1013
C1061
220p
47µ
R1013
470n
U10
100R
1
24
SDA'
R1011
2
23
SCL1
100R
3
22
R1014
100R
C1012
L1
4
21
R1
47µ
C1023
L2
5
20
R2
V
220p
C1011
L3
R3
6
19
47n
C1033
L4
7
18
R4
220p
L5
R5
8
17
9
16
10
15
U
11
14
12
13
T
U10
C1003
R1161
100n
75R
C1054
C1001
R1165
470n
C1056
U8S
U5S
0R
C1004
470n
C1007
470µ
100n
C1057
S
L1001
470n
100n
C1002
13
12
11
10
9
8
7
6
5
4
3
2
1
100µ
S-VHS
C1006
an,to,a,su W0211 Basic-Board
100µ
L1345
L1523
L1845
SAT
Signal
3µ3
L1528
3µ3
R
C1344
C1345
U8
U5
56p
56p
R1349
C1326
L1853
SCL3
C1356
C1336
100p
10n
10n
C1342
C1343
3µ3
56p
100R
C1853
56p
C1349
C1357
L1343
56p
C1325
100p
100p
3µ3
C1303
10µ
10n
C1338
Q
R1324
U5
R1336
10n
C1318
L1303
R1318
100R
100R
1n
1k
C1304
4µ7
C1339
100n
/RES
R1356
R1338
100R
100R
100p
R1316
U5
10
60
10k
R
C1329
11
KH
59
L
1n
P
R1317
12
58
10k
IIC1
13
57
R
LS
14
56
L
15
55
C1331
390p
16
I1301
54
D1344
C1321
C1322
17
MSP3400 (050)
53
C5V6
C1332
O
1p
1p
MSP3410 (051,NICAM)
18
52
390p
Multistandard-
D1342
19
51
R
Sound-Processor
SC2_O
20
50
C5V6
L
21
49
22
48
D1341
R
C5V6
SC1_O
23
47
N
L
C1309
24
46
10µ
U8A
25
45
L1301
R1377
26
44
C1307
2k2
U5
100n
C1301
C1310
10µ
10µ
C1347
C1311
C1308
Q1377
C1313
47µ
M
470n
100n
BC857
C1377
470p
C1312
R1381
3µ3
C1348
U8A
10k
C1314
I1351
1n
470p
L1351
78L08
4µ7
R1372
R1382
C1316
U8A
1
IN
OUT
3
2k2
C1382
U12
47k
100n
GND
100n
C1351
C1353
U5
47µ
C1352
330n
Q1372
L
Q1382
100n
BC857
D1382
C1315
BC857B
C1372
LL4148
10µ
W1971
C1374
C1379
C1378
R1378
4µ7
LS-L
1n
1n
470R
R1373
LS-R
C1373
K
4µ7
470R
SMute
D1391
0R
R1389
C1389
R1388
C1901
100R
10n
47k
10n
J
U5
L1902
C1902
10n
C1454
U5
2I
100n
I
3I
L1903
U12
L1451
C1452
10µ
U5
C1904
100µ
10n
L1481
C1903
44
26
YB7
10n
BLN
45
25
YB6
C1483
LL
46
24
YB5
H
100n
47
23
YB4
R1451
48
22
YB3
68R
49
21
YB2
SCLH1
50
20
YB1
SDAH
R1452
51
C1453
19
YB0
100n
G
68R
52
18
UVB7
I1451
3G
53
SDA9290
17
UVB6
54
16
UVB5
Picture-
U5
55
15
UVB4
Processor
L1486
56
14
3F
57
13
C1488
F
58
12
100n
59
C1451
11
10n
60
10
E
2E2
LL3X
R1469
U5
1k
U5
L1491
C1461
C1469
/RES
L1461
WTN
D
10µ
VS
4n7
SAC
3D3
3D2
C1493
R1472
33R
100n
29
17
RBN
R1471
3D1
30
C1463
16
SAR
100n
3C2
31
15
33R
R1468
3C1
C1472
32
C1464
14
R1467
33R
C
33p
I1461
100n
REN
33
13
33R
SDA9220
34
12
Memory-
35
11
LL3X
SCLH1
Sync-
R1463
3B3
36
10
SCAD
SDAH
Controller
3B2
37
9
33R
3B1
B
38
8
C1466
100n
39
7
27MHz
L1466
C1477
4µ7
100p
BLN
LL
R1476
C1476
U5
1n5
1k8
C1467
VS2
A
100µ
HS2
Schaltbild Signal-Board 396-86906.050, 86906.051
Schematic diagram Signal-Board 396-86906.050, 86906.051
1
2
3
4
5
AV2
W1131
W1151
Scart2
an W8302 Bedienteil
sw
2
4
6
8
10
12
14
16
18
20
to W8302 Control unit
a W8302 Bloc de commande
su W8302 Unita di comando
1
3
5
7
9
11
13
15
17
19
R1136
C1106
R1042
75R
47µ
15k
U8S
C1036
D1222
C1231
R1138
R1141
R1106
47µ
Q1231
R1041
C5V6
47n
R1233
33R
560R
10R
U5S
BC857
R1036
75R
Q1137
15k
R1206
100R
D1221
BC817
C1041
R1234
10R
R1139
C5V6
Q1146
2k7
R1131
1n
C1149
470n
Q1221
BC847B
75R
R1137
470R
BC847B
C1207
150R
Q1142
R1043
47n
C1206
BC857
R1221
R1236
R1132
100R
47µ
47R
22k
4k7
R1142
68R
C1131
R1144
R1237
10k
10k
C1026
C1111
47µ
R1152
47R
C1162
18p
R1026
C1151
1
20
100R
R1107
100R
2
19
SDA'
3
18
R1108
4
17
SCL1
100R
5
16
C1133
6
15
100n
7
14
C1156
8
13
R1176
10k
9
12
U10
R1101
10
11
R1174
10R
47R
C1161
C1101
C1181
C1059
Q1172
U10
47µ
BC847B
100n
BC847B
R1172
R1173
R1166
R1181
1
1k
68R
1k
an,to,a,su
R1171
75R
2
PIP-Modul
75R
C1173
100n
an W8403 Bedienteil
3
to W8403 Control unit
W1091
a W8403 Bloc de commande
W1181
KH
su W8403 Unita di comando
ge
C1425
C1434
L1781
C1806
C1288
R1282
R1364
270p
390p
100p
U12
47µ
100R
47R
L1432
R1281
1µ5
R1731 C1731
R1284
C1362
C1364
C1437
100R
100p
R1806
220k
22n
22n
470p
100R
C1283
R1283
R1362
L1438
C1438
Q1287
470n
0R
100R
22k
1µ5
330p
BC857
R1781
75R
Q1284
C1363
R1363
BC847
470n
220R
C1286
R1286
R1431
R1428
1n
47k
R1288
75R
100R
R1291
R1369
C1367
10R
100R
R1292
22n
47R
R1297 C1298
C1369
100R
1k
22n
C1280
R1294
47µ
R1427
220k
R1367
47µ
0R
Q1297
0R
R1728
R1293
BC857
10k
22k
C1426
C1431
C1293
Q1294
C1368
R1368
100n
680n
Q1728
470n
BC847
470n
220R
BC857B
C1296
R1296
47k
1n
C1427
C1421
5p6
390p
U5
20,25MHz
C1417
C1422
C1423
10µ
R1418
C1424
5p6
0R
270p
270p
C1416
U5SB
47n
C1433
R1417
3µ3
C1771
C1403
470p
10n
0R
C1401
10µ
100n
C1772
10
60
47µ
C1404
1n
11
59
6M
C1781
100n
4N
VS
12
58
13
57
C1782
14
56
SCLH1
R1411
15
55
SDAH
1k
16
54
4M
1n
BLN
C1411
17
53
I1401
4n7
18
VPC3210A
52
4L
LL
19
Comb Filter
51
Video Processor
L7
20
50
L6
21
49
R1412
33R
L5
22
48
L4
23
47
L3
24
46
C1408
L2
25
C1406
45
10n
10n
26
44
TWE
TRAS
C1407
C1409
47µ
47µ
AT10
U5
AT7
D1409
D1408 L1408
AT6
R1413
U5
4I
10µ
AT5
LL4148 LL4148
100R
AT4
C1482
100n
U5
L1526
I1481
RAM
10µ
SDA9251
C1528
47µ
L1508
10µ
10
60
C1502
C1514
11
59
100n
100n
12
C1503
58
100n
UV4
13
57
R1523
L1514
4G
UV5
14
56
150R
C1487
UV6
15
55
C1517
100n
100n
UV7
16
54
U
I1501
R1517
17
53
UGND
SDA9280
10k
L1513
Y0
18
52
I1486
Display-
RAM
4F
10µ
SDA9251
Y1
19
C1513
51
V
Processor
100n
L1512
Y2
20
50
VGND
10µ
Y3
21
49
C1511
Y4
22
C1512
48
100n
Y5
23
47
100n
Y
Y6
24
46
YGND
Y7
25
45
C1504
C1505
100n
100n
26
44
C1492
C1506
R1519
100n
100n
6k8
C1519
4D
1n5
I1491
RAM
SDA9251
R1502
R1503
R1464
R1501
68R
68R
68R
68R
R1466
SCA
33R
4
5
6
7
8
W1111
Scart1
R1021
15k
2
4
6
8
10
12
14
16
18
20
1
3
5
7
9
11
13
15
17
19
AV1
U8S
R1118
R1120
R1103
R1023
R1097
R1098
33R
560R
10R
100R
75R
75R
C1104
Q1117
C1021
47n
R1096
BC817
C1129
470n
R1119
Q1126
1n
75R
BC847B
R1116
470R
R1024
R1099
75R
R1117
Q1123
100R
75R
150R
BC857
C1022
R1112
R1111
R1123
470n
68R
47R
75R
R1125
10k
R1203
R1231
R1212
U10A
75R
47R
47k
R1204
C1212
R1211
47k
1n
C1204
R1232
47k
47R
U10A
R1252
R1210
47n
U10A
47R
47k
1
20
R1109
C1251
R1207
2
19
10k
1n
SDA'
U10A
100R
3
18
C1262
R1208
100n
4
17
R1230
U10A
SCL1
U10
47k
100R
5
16
R1266
R262
R1271
33k
C1208
68R
R1253
6
15
R1264
10k
C1267
C1227
47k
R1202
47n
10n
47R
Q1262
7
14
47n
BC847B
1k
8
13
R1268
R1267
R1169
10k
9
12
C1203
10k
10k
U10
47n
R1201
10
11
U10
10R
R1168
C1205
C1241
U10A
R1274
R1242
47R
C1202
47n
470p
75R
Q1166
R1180
68R
R1243
R1167
47n
R1276
U10
10R
47R
68R
47R
Q1273
C1274
C1242
C1180
100n
C1182
BC847B
L1241
1n5
47µ
R1279
S
R1164
47n
10µ
U10
U10A
10k
75R
R1008
R1272
R1273
C1272
C1009
10R
75R
100n
1k
1n5
C1008
47µ
L1779
R1854
47k
U5
L1801
D1783
U5SB
R1857
C5V6
4µ7
R1858
U5
1k8
R1849
1k
2
1
/R
4k7
I1856
C1802
C1801
C1858
C1856
47µ
10n
4n7
C1849
R1723
R1722
C1857
100n
4µ7
10k
10k
100n
Q1723
C1854
BC847B
1n
R1724
R1729
15k
100R
D1726
LL4148
C1729
100µ
10
C1727
C1812
11
470µ
10n
12
13
14
15
U5
L1774
/R
16
C1774
D1774
C1851
100n
1k
17
I1801
47p
U5
/RES
DA0
18
CCU3000i
R1775
DA1
19
4k7
Central-
C1775
Control-Unit
DA2
20
4n7
DA3
21
40
28
C1779
DA4
22
1n
41
27
DA5
23
VBL
42
26
DA6
24
R1742
33n
43
I1771
25
DA7
25
100R
44
TPU3040
24
C1743
A0
26
33n
100p
1
Teletext-
23
R1743
Processor-Unit
SMode
2
22
R1772
100k
3
21
27R
TWE
SDAH
4
20
TRAS
SCLH2
5
19
TCAS
R1773
27R
6
18
I1871
EPROM
27C010
C1871
10n
R1876
1
26
4k7
2
25
3
24
TCAS
UEB
4
23
U5SB
R1744
R1808
5
22
AT8
1k
U5
R1626
4k7
10k
9
18
R1619
C1010
AT1
D1619
Q1628
10
17
AT2
10k
22n
BC847B
LL4148
11
16
AT0
RAM
C1616 D1618
12
15
AT3
R1616
R1623
Q1619
D1628
13
14
100n
LL4148
AT9
100k
220k
BC847B
LL4148
L1796
R1628
C1797
C1619
Q1626
U5
100k
100n
BC847B
47µ
C1624
R1618
100n
100k
R1611
U5
CUTOFF
560R
2R
C1509
100µ
R1612
SCLH1 SDAH
2G
R1567
U5
560R
R1564
R1606
R1613
2k7
2B
100R
Q1606
100R
R1568
560R
BC847B
C1553
C1508
2FB
1
28
10k
18p
R1607
U5
100n
2R
C1611
2
27
Q1567
1k
C1561
R1605
BC857
L1553
C1556
2G
C1612
47n
3
26
HUE
C1605
W1601
R1554
10n
100R
18p
1u5
47n
C1613
C1571
CRT
0R
47n
2B
4
25
R1576
FB
7
R1551 C1552
47n
7F4
100R
C1554
R1556
5
24
220n
R
6
150R
100p
G
5
100p
150R
7F2
C1581
C1609
U
6
23
R1586
B
4
L1543
R1544
7F1
7F3
100R
18p
V
7
22
220n
C1607
3
R1541
7E1
C1591
C1608
2
1u5
33R
Y
8
21
C1546
R1596
18p
150R
R1546
1
47n
7E3
100R
18p
C1762
9
20
220n
120R
C1543
47n
R
10
19
7E2
R1604
C1544
C1542
18p
C1602
100p
C1763
C1568
D1603
100p
18p
G
11
18
C1536
LL4148
C1601
47n
C1764
L1601
L1533
1µ5
47n
12
17
100n
330n
C1567
47n
13
16
U12
R1534
C1638
R1622
R1531
R1536
7D
100n
D1622
1k
82R
0R
14
15
82R
BCL
C1533
C1617
D1634
C20
R1631
C1534
C1532
15p
47k
47p
LL4148
100p
R1617
R1639
100p
C1636 R1634 C1621
10R
82k
D1638
1k
4µ7
LL4148
100n
C1562
L1561
47µ
10µ
I1521
L7808
L1521
4µ7
R1764
3
OUT
IN
1
75R
U8
U12
GND
C1521
C1523
R1763
47µ
330n
C1522
100n
75R
R1762
75R
6
7
8
9
Z
0
R1825
100R
1V/Div DC
10 us/Div
Y
R1815
100R
C1816 C1826
1n
1n
L1966
R
X
L1967
G
L1968
B
C1968
0
R1972
U5
47n
1V/Div DC
L1971
10k
C1966
10µ
500 ns/Div
47n
C1971
W
47µ
C1973
C1974
220n
220n
I1971
PAL-Encoder
TDA8501
C1976
V
22n
C1975
0
C1977
220n
47µ
1V/Div DC
R1976
20 ns/Div
1k
C1995
U
R1983
47n
1k2
R1981
U5
1k2
L1981
R1984 Q1983
10µ
1k8
BC847
C1981
R1982
C1982
Q1981
1k8
22n
BC847
T
47µ
L1995
0
10T
1V/Div DC
R1985
R1986
20 ns/Div
D1992
75R
C1990
75R
270p
LL4148
C1985
C1889
W1951
270p
C1987
S
56p
sw
L1987
Q1993
SDA'
1µ5
33p
BC847B
SCL2
U5SB
SCL1
U5
RSIG
R1957
R1987
R1989
R1990
L1887
75R
75R
10R
4µ7
1k8
R1956
C1887
56p
R1993
SDAH
C1988
100R
10R
56p
C1885
R1954
SCLH1
R
0
R1994
10R
R1953
220k
SCLH2
10R
Q1856
1V/Div DC
SCL1
R1952
100 ns/Div
10R
BC847
R1856
R1951
SDA
10k
10R
C1931
Q
C1933
10n
R1848
10n
W1933
0R
L1931
U5SB
4µ7
U5SB
R1838
330R
RSIG
8P
C1838
R1922
100p
SB-LED
rot
0
1k5
C1922
P
R1925
SAT-LED
10n
C1925
gruen
330R
1V/Div DC
R1811
10n
UEB-TA4
100 ns/Div
C1811
100R
L1837
/RES
3n3
U12
4µ7
C1836
R1861
R1846
Q1864
100n
Ta2
R1809
BC847
10k
C1846
60
100R
2k2
D1866
R1843
3n3
Ta1
O
59
RCSW
C1865
C1843
100R
LL4148
R1892
220p
3n3
58
Ta0
C1841
U5SB
R1841
57
IR-OUT
4k7
100R
3n3
IRS
56
R1867
R1864
R1865
0
55
SB
R1882
1k5
10k
10k
2k2
54
SDA
8N
N
1V/Div DC
R1837
53
SCL3
250 ns/Div
R1884
52
SCL2
4k7
51
SCL1
8H
4k7
50
DEFL
R1886
4k7
49
A17
SCL3
U5
U12
R1824
R1912
R1823
M
48
A16
R1832
47k
10k
4k7
R1911
4k7
AVON1
150k
47
R1831
Q1824
Q1911
46
AVON2
3k3
BC847B
BC847
45
Geo1
R1829
0
44
Geo2
Q1908
1k
BC847
UEB
1V/Div DC
L
R1807
R1907
50 ns/Div
U5
Q1827
27k
R1917
1k2
BC857B
120k
R1827
C1888
10n
33k
L1888
R1916
4µ7
R1826
C1879
220R
56k
10n
K
R1873
R1919
2k2
U5
10k
D1917
R1664
R1663
R1822
LL4148
R1874
22k
22k
3k3
2k2
R1821
R1816 Q1918
1k
47k
0
L1871
U5
BC847
Q1664
R1818
U5SB
4µ7
BC847B
33k
R1918
Q1818
1V/Div DC
U12
150k
BC857
C1872
500 ns/Div
Q1816
J
C1665
47µ
4n7
BC847B
R1819
R1817
4k7
56k
R1667
9I
U5
R1946
R1947
L1941
220R
Q1667
C1666
2k2
2k2
BC847B
U5
R1665
R1941
D1749
SCLH2
10R
1k
470p
EAROM
LL4148
SCLH1
I
SDAH
R1756
R1666
R1752
R1557
C1754
C1943
390R
3k3
8I
390R
3k3
470p
I1941
56p
R1751
C1748
R1747
X24325P
0
100k
10R
10p
C1942
C1941
47µ
10n
R1754
Q1751
1V/Div DC
R1748
Q1756
10k
BC847B
10k
R1851
20 us/Div
C1899
BC847B
R1899
0R
W1701
H
1n
100R
/ON
C1726
L1726
10n
UMute
4µ7
C1688
R1688
1n
V+
22k
C1669
R1661
Q1666
R1669
1n
10k
BC847B
VPROT
R1689
C1689
100R
G
22k
1n
V-
C1741
R1687
1n
0
VFLB
100R
R1657
R1662
R1691
0R
C1686
1V/Div DC
1k
1k
R1686
10n
10 us/Div
EW
C1653
100n
100R
F
U12
C1672
R1653
9F
R1678
10p
0R
D1678
HFLB
C1683
LL4148
100R
1n
FP
34
22
R1677
15k
R1679
35
21
R1683
R1696
100R
0R
120k
36
C1644
20
100n
H
E
R1697
37
C1646
19
C1652
100n
100n
0
0R
38
I1641
18
R1676
120k
SDA9360
39
17
R1668
L1668
R1698
1V/Div DC
C1674
Deflection-
56R
0R
10 us/Div
40
16
Controller
IBEAM
100p
C1659
41
15
1n5
R1659
C1647
C1643
R1674
R1684
42
14
R1671
100n
100n
3k9
18k
D
1k8
43
13
4k7
44
12
U12
C1658
D1671
100p
C1642
C4V7
VPROT
10n
L1651
C1641
U5
10µ
C
C1651
0
4µ7
R1641
4µ7
68R
L1641
1V/Div DC
U5
5 us/Div
10µ
FP
D1623
C33
Benennung:
LOEWE.
Q4000
B
D1624
C1662
4p7
LL4148
* = nicht bestueckt
Signal-Board
Signal board
Platine signal
Piastra segnale
R1462
150497E
100R
Code-Teile-Nr.:
0
554/391-86906.050/051
A
1V/Div DC
20 ns/Div
9
0
0
2E1
1V/Div DC
4G
1V/Div DC
7E3
1000 ns/Div
20 us/Div
0
0
2I
500mV/Div DC
4I
1V/Div DC
7F1
20 ns/Div
10 us/Div
0
0
3B1
1V/Div DC
4L
1V/Div DC
7F2
50 ms/Div
10 us/Div
0
0
3B3
4M
7F3
1V/Div DC
1V/Div DC
50 us/Div
20 us/Div
0
0
3C1
1V/Div DC
4N
1V/Div DC
7F4
5 ms/Div
20 us/Div
0
0
3C2
5C1
7O1
1V/Div DC
1V/Div DC
5 ms/Div
2 us/Div
0
0
3D1
1V/Div DC
5C2
1V/Div DC
7O2
20 ns/Div
20 us/Div
0
0
3D2
5C3
8H
1V/Div DC
1V/Div DC
10 us/Div
50 us/Div
0
0
3D3
500mV/Div DC
5N
1V/Div DC
8I
20 us/Div
50 ms/Div
0
0
3F
5O2
8N
500mV/Div DC
1V/Div DC
500 ns/Div
50 us/Div
0
0
3G
5O3
8P
500mV/Div DC
1V/Div DC
20 us/Div
20 ms/Div
0
0
3I
500mV/Div DC
6M
1V/Div DC
9F
10 us/Div
10 us/Div
0
0
4D
1V/Div DC
7E1
1V/Div DC
9I
10 us/Div
10 us/Div
Oszillogramme
0
Oscillograms
4F
2V/Div DC
7E2
10 us/Div

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