Inhaltsverzeichnis
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Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Gesamtschaltplan / General Circuit Diagram
Alle Spannungen gemessen ohne Eingangssignale
All voltages measured without aerial signals
SAT-Tuner mit LNB-Versorgung
SAT Tuner with LNB Supply
+21V
Q304
R301
TIP30A
1R3
+V/T
R31 1
R312
R302
Q306
4K7
270K
8K2
BC847
R303
R309
Q301
1K
BC857
680R
R307
10K
R304
R308
10K
1K
C301
Q305
100uF
Q302
BC847
25V
BC857
C302
C305
100nF
10nF
R305
Q303
4K7
BC847
Q308
BC847
C304
R310
R314
R306
D301
10K
4n7F
680R
3K6
BZX79B6V8
3 - 3
+29V-TUNER
TUN100
LNB
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
R112
C104
100R
10uF
16V
C102
C100
C101
2200uF
47pF
56pF
16V
R113
330R
10
R313
4K7
R316
18K
Q307
R315
BC847
4k7
R317
4K7
+5V
D401
R412
R409
1N4148
4K7
10K
R414
270K
R415
R454
22K
R410
Q402
10K
270K
BC847
D408
1N4148
Q403
6
BC847
C408
R457
R41 1
C452
R416
1uF
180K
180K
10nF
10K
50V
Sync-Abtrennung / Sync Separator
R1
STR 1300
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
C411
10K
1K5
+12V
100pF
C410
C415
C445
C459
10uF
C444
R427
10nF
100uF
10nF
100pF
16V
470R
16V
R428
3K3
C413
R422
R424
10nF
470R
470R
LK400
C422
C420
56pF
12pF
L403
27uH
Q407
L401
L402
BC847
R456
12uH
18uH
470R
R429
R430
C412
C418
C419
C421
C423
R431
12pF
470R
560R
56pF
100pF
68pF
1K
47pF
+12V
R458
R417
C409
1K
2K2
10uF
16V
11
5
R461
100R
Q460
D407
BC847
1N4148
R460
2K2
Q404
BC847
C453
R462
R459
C454
470pF
100nF
470R
56R
IR2
RPM671CBRS
LED2
LED3
GREEN
RED
5MM
5MM
1
+5V
2
R3
270R
RED LED
3
R2
270R
GREEN LED
4
IR
5
UP
1
3
2
6
DOWN
7
8
9
GND
10
CONN101
SW1
SW2
C1
47uF
100R
10V
Bedienteil / Control Unit
GRUNDIG Service
3 - 4
C401
R403
220nF
Signalverarbeitung / Signal Processing
27K
IC400
C403
1nF
STV0056A
R402
1
R404
R405
R406
3.6V
1K5
3K3
FC R
51K
1M
2
2.4V
3.6V
PK IN R
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
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
4.7V
4.0V
S2 RTN R
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
100nF
+5V
IC601
ST24C08
1
8
2
7
3
6
4
5
R608
R607
220R
220R
FAC
+5V
R602
XT601
Q600
470R
8MHz
BC847
8
R603
C602
470R
33pF
STR 1300
56
0V
AGND R
55
FC L
54
PK IN L
53
LEVEL L
52
PK OUT L
51
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
12V
A 12V
100uF
C447
16V
44
V ref
VREF/T
43
0V
A GND L
C446
10nF
42
AGC R
41
AMPLK L
40
U75 L
+5V
39
DET L
C436
38
10uF
CPUMP L
37
16V
0V
GND 5V
36
C448
100uF
5V
Vdd 5V
35
16V
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
Steuer-Prozessor
Control Processor
PL602
IC600
1 2
M37471M4
1
42
P5.3
P5.2
2
41
P1.7 / SRDY
P0.7
3
40
P1.6 / CLK
P0.6
4
39
P1.5 / SOUT
P0.5
5
38
P1.4 / SIN
P0.4
6
37
P1.3 / T1
P0.3
7
36
P1.2 / T0
P0.2
8
35
P1.1
P0.1
9
34
P1.0
P0.0
10
33
P2.7 / IN7
P4.3
11
32
P2.6 / IN6
P4.2
12
31
P2.5 / IN5
P4.1
13
30
P2.4 / IN4
P4.0
14
29
P2.3 / IN3
P3.3 / CNTR1
15
28
P2.2 / IN2
P3.2 / CNTR0
16
27
P2.1 / IN1
P3.1 / INT1
17
26
P2.0 / IN0
P3.0 / INT0
18
25
VREF
RESET
19
24
XIN
P5.1 / XCOUT
20
23
XOUT
P5.0 / XIN
21
22
Vss
Vcc
R601
470R
R605
10K
C606
10uF
C601
33pF
16V
GRUNDIG Service
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Inhaltsverzeichnis
