Table des Matières
Publicité
Circuits imprimés et schémas électriques / Circuit Diagrams and Layout of PCBs
Synoptique du chassis / General Circuit Diagram
LNB
Alle Spannungen gemessen ohne Eingangssignale
Toutes les tension sont mesurées sans signal d'entrée
All voltages measured without aerial signals
SAT-Tuner mit LNB-Versorgung
Tuner-SAT avec alimentation LNB
SAT Tuner with LNB Supply
Q304
+21V
R301
TIP30A
1R3
+V/T
R31 1
R312
R302
Q306
4K7
270K
8K2
BC847
R303
R309
Q301
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
C308
D301
10K
4n7F
680R
100nF
3K6
BZX79B6V8
3 - 3
+29V-TUNER
TUN100
SAMSUNG
TBCE18110IGP
+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
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
180K
180K
1uF
10nF
10K
50V
Sync-Abtrennung / Séparateur-synchro / Sync Separator
STR 2300 FR
Circuits imprimés et schémas électriques / 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
10uF
C444
C459
R427
10nF
100uF
10nF
100pF
16V
470R
16V
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
R431
C412
C414
47pF
100nF
12pF
470R
560R
56pF
100pF
68pF
1K
+12V
R417
C409
2K2
10uF
16V
11
5
R461
100R
Q460
D407
BC847
1N4148
R460
2K2
Q404
BC847
R459
C453
C454
R462
56R
470pF
100nF
470R
GRUNDIG Service
3 - 4
Signalverarbeitung
Traitement du signal
C401
R403
220nF
27K
Signal Processing
IC400
C403
1nF
STV0056A
R402
R404
R405
R406
1
1K5
3K3
FC R
3.6V
0V
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
4.8V
3.4V
VOL R
7
S3 VID OUT
1.6V
2.3V
8
1.6V
4.8V
S1 VID OUT
9
2.2V
S2 VID OUT
10
VOL L
4.8V
2.3V
11
2.6V
1.4V
S2 VID RTN
12
12V
S2 OUT L
13
CLAMP IN
2.7V
2.4V
14
4.9V
0V
S2 OUT R
15
3.7V
4.6V
UNCL DEEM
16
VIDEEM2/T
VIDEEM2/22KHz
2.4V
1.3V
17
12V
2.3V
V 12V
18
VIDEEM1/T
2.5V
2.4V
VIDEEM1
19
V GND
0V
4.8V
20
2.5V
0V
B-BAND IN
21
4.7V
5V
S2 RTN L
22
S2 RTN R
4.7V
4.0V
23
FM IN
2.4V
2.6V
24
4.7V
2.2V
S3 RTN L
25
S3 RTN R
4.7V
5V
26
AGC L
4.6V
5V
27
0V
5V
S3 OUT L
28
S3 OUT R
0V
2.5V
+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
47pF
STR 2300 FR
56
R407
AGND R
51K
55
FC L
54
C406
PK IN L
1n5F
53
LEVEL L
52
PK OUT L
51
D410
BZT52CC8V2
PK OUT R
50
I ref
49
C427
CPUMPR/T
10uF
CPUMP R
48
16V
U75 R
47
DET R
46
AMPLK R
+12V
45
A 12V
C447
100uF
16V
44
V ref
VREF/T
43
A GND L
C446
10nF
42
AGC R
41
AMPLK L
40
D411
BZT52CC8V2
U75 L
+5V
39
DET L
C436
38
10uF
CPUMP L
16V
37
GND 5V
36
C448
100uF
Vdd 5V
16V
35
XTL
34
C443
J17 L
1nF
33
J17 R
32
C440
HA
10nF
31
SDA
30
SCL
R450
29
39K
I/O/22KHz
R448
2
C450
C451
R449
2
47pF
47pF
Steuer-Prozessor
Processeur de
commande
PL602
Control Processor
IC600
1 2 3 4
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
27
16
P2.1 / IN1
P3.1 / INT1
17
26
P2.0 / IN0
P3.0 / INT0
18
25
VREF
RESET
+5V
19
24
XIN
P5.1 / XCOUT
20
23
XOUT
P5.0 / XIN
21
22
Vss
Vcc
R601
470R
R605
D60
10K
1N41
C606
10uF
C601
47pF
16V
GRUNDIG Service
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Table des Matières
