Inhaltsverzeichnis
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Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Gesamtschaltplan / General Circuit Diagram
LNB
Alle Spannungen gemessen ohne Eingangssignale
All voltages measured without aerial signals
SAT-Tuner mit LNB-Versorgung
SAT Tuner with LNB Supply
Q304
+21V
R301
TIP30A
1R3
+V/T
R302
R31 1
R312
Q306
4K7
270K
8K2
BC847
R303
Q301
R309
1K
680R
BC857
R307
10K
R304
R308
10K
1K
C301
Q305
100uF
Q302
BC847
25V
BC857
C302
C305
100nF
10nF
R305
Q303
4K7
BC847
Q308
BC847
R306
C304
R310
R314
C307
D301
10K
4n7F
680R
100nF
3K6
BZX79B6V8
3 - 3
+29V-TUNER
TUN100
SAMSUNG
TBCE18110IGP
17 18 19 20 21 22 23 24
+5V
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
R114
R115
4K7
4K7
R109
R110
0R
470R
Q105
R1 11
L101
BC847
270R
4u7H
C103
100pF
C307
Q104
100pF
BC857
R1 12
C104
100R
10uF
16V
C102
C101
2200uF
56pF
16V
R1 13
330R
10
R313
4K7
R316
18K
Q307
R315
BC847
4k7
R317
4K7
+5V
D401
R412
R409
R458
1N4148
4K7
10K
1K
R414
270K
R415
R454
22K
R410
10K
Q402
270K
BC847
D408
1N4148
Q403
6
BC847
C408
R457
R41 1
C452
R416
1uF
180K
180K
10nF
10K
50V
Sync-Abtrennung / Sync Separator
GRUNDIG Service
STR 7100
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
+12V
R401
10K
Q401
BC857
R466
5K1
R463
R465
C461
10K
15K
39pF
C460
10uF
16V
FIL T-VID/T
R426
5K1
+12V
R423
R425
C41 1
10K
1K5
+12V
100pF
C410
C415
C445
C459
10uF
C444
R427
10nF
100uF
10nF
100pF
16V
470R
16V
C103
100pF
R428
3K3
C413
R422
R424
10nF
470R
470R
LK400
C420
C422
12pF
56pF
L403
27uH
Q407
L401
L402
BC847
R456
12uH
18uH
470R
C418
R429
R430
C419
C421
C423
C412
R431
12pF
470R
560R
56pF
100pF
68pF
1K
47pF
100nF
+12V
R417
C409
2K2
10uF
PL500
16V
DUAL-PHONO
11
HSP-242V
5
R461
100R
Q460
D407
BC847
1N4148
R460
2K2
Q404
BC847
C453
C454
R462
R459
56R
470pF
100nF
470R
3 - 4
C401
R403
220nF
Signalverarbeitung / Signal Processing
27K
IC400
C403
1nF
STV0056A
R402
R404
1
R405
R406
3K3
3.6V
1K5
51K
1M
FC R
2
PK IN R
2.4V
3.6V
3
C402
C404
C405
1.7V
2.3V
LEVEL R
1n5F
1n5F
100nF
4
S1 VID RTN
1.6V
5
2.7V
3.4V
S3 VID RTN
6
VOL R
4.8V
3.4V
7
1.6V
2.3V
S3 VID OUT
8
S1 VID OUT
1.6V
4.8V
9
2.2V
S2 VID OUT
10
4.8V
2.3V
VOL L
11
2.6V
1.4V
S2 VID RTN
12
12V
S2 OUT L
13
CLAMP IN
2.7V
2.4V
14
4.9V
S2 OUT R
15
UNCL DEEM
3.7V
4.6V
16
VIDEEM2/T
2.4V
1.3V
VIDEEM2/22KHz
17
V 12V
12V
2.3V
18
VIDEEM1/T
2.5V
2.4V
VIDEEM1
19
V GND
0V
4.8V
20
2.5V
B-BAND IN
21
4.7V
S2 RTN L
22
S2 RTN R
4.7V
4.0V
23
2.4V
2.6V
FM IN
24
S3 RTN L
4.7V
2.2V
25
4.7V
S3 RTN R
26
AGC L
4.6V
27
0V
S3 OUT L
28
S3 OUT R
0V
2.5V
C414
R528
470R
LEFT
3
R529
470R
RIGHT
2
C528
C529
1nF
1nF
1
IC601
ST24C08
1
2
3
4
FAC
+5V
STR 7100
56
0V
AGND R
55
FC L
54
PK IN L
53
LEVEL L
52
PK OUT L
51
D410
BZT52CC8V2
PK OUT R
50
I ref
49
CPUMPR/T
C427
10uF
CPUMP R
16V
48
U75 R
47
DET R
46
AMPLK R
+12V
45
A 12V
C447
100uF
16V
44
V ref
VREF/T
43
0V
A GND L
C446
10nF
42
AGC R
41
AMPLK L
40
D41 1
BZT52CC8V2
U75 L
+5V
39
DET L
C436
38
10uF
CPUMP L
16V
37
0V
GND 5V
36
C448
100uF
5V
Vdd 5V
16V
35
XTL
34
C443
J17 L
1nF
33
J17 R
32
5V
HA
31
5V
SDA
30
5V
SCL
29
I/O/22KHz
C450
C451
47pF
47pF
+5V
8
7
6
5
Steuer-Prozessor
Control Processor
IC600
R608
R607
M37471M4
220R
220R
1
P5.3
P5.2
2
P1.7 / SRDY
P0.7
3
P1.6 / CLK
P0.6
4
P1.5 / SOUT
P0.5
5
P1.4 / SIN
P0.4
6
P1.3 / T1
P0.3
7
P1.2 / T0
P0.2
8
P1.1
P0.1
9
P1.0
P0.0
10
P2.7 / IN7
P4.3
11
P2.6 / IN6
P4.2
12
P2.5 / IN5
P4.1
13
P2.4 / IN4
P4.0
14
P2.3 / IN3
P3.3 / CNTR1
15
P2.2 / IN2
P3.2 / CNTR0
16
P2.1 / IN1
P3.1 / INT1
17
P2.0 / IN0
P3.0 / INT0
18
VREF
RESET
19
XIN
P5.1 / XCOUT
20
XOUT
P5.0 / XIN
21
Vss
Vcc
R602
XT601
R601
Q600
470R
8MHz
470R
BC847
8
R603
C602
C601
470R
47pF
47pF
GRUNDIG Service
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Inhaltsverzeichnis
