Grundig STR 8150 Serviceanleitung Seite 21

STR 8150
C511
100nF
Modulator
+5V
MOD500
+5VSW
74055FT
1
C513
VIDEO IN
2
47uF 16V
AUDIO IN
3
MOD +5V
4
BOOST +5V/
nc/GND
5
BOOST +5V
6 C514
SCL
47uF 16V
7
SDA
8
EN
9
TUNING +V
10
GND C526 C527
47uF 47uF
16V 16V
C517
470pF
+5V
C501
R501
21
100nF
100R
20 R503
75R
19 R420
100R
18
R502
17
75R
16
Q405
15
BC847
C541
14
100nF
13 R419
470R
R505 12
47K
11
10
R504 C502 9
D501
1nF
47K
8
BZX79C5V6
7
6
5
47uF 4 R508
R506
C503
1K 470R
16V 3 C505
2 C506 47uF
16V
47uF
1 R509
R507
47uF
16V
C504
1K 470R
16V
SK503
C507 C508 C509 C510
EURO-AV VCR
470pF 470pF 1nF 1nF
Alle Spannungen gemessen ohne Eingangssignale
All voltages measured without aerial signals
0V 0V
7 1V/cm, 2ms/cm 8 1V/cm, 50ns/cm 9
GRUNDIG Service
Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of the PCBs
9A 9B 9C
R510
21
100R +12V
20
19 Q406
18 BC847
C542
R512
R511
17 100nF
75R 75R
16
15
14 DEC-VIDO
R421 R455
13
470R 100R
12
1 1
10
9
8
GREEN
R515 7
1K BLUE
6
5
C515
4 R517
47uF 16V
470R
3 DEC-AOL
R516
1K
2 C516
1 47uF
R518
16V
470R
DEC-AOR
C518
470pF SK502
C519 C520
EURO-AV DECODER
1nF 1nF
+5V
Q503
SK501
C540
BC847
100nF
EURO-AV TV
21
20 R519
19 75R
18
9
17 R533
75R
16
15
14
C525
R534
13
R520
10uF
75R
100R
12 16V
GREEN
11
10
BLUE
9
R521
100R R522 470R
8
7
6
5 R527
R525 R526
10K 10K 10K
4 R523
470R
3
2
C521
1
47uF 16V
R524
470R
C522
C523 C524
47uF 16V
1nF 1nF
0V
0V
500mV/cm, 20µs/cm 9A 500mV/cm, 20µs/cm 9B 500mV/cm, 20µs/cm
BB PAL
STR 8150
+5V
R561
470R D561
1N4148
Q505
BC847
R565 R562
PL500
470R 4K7
5
4 Q561
BC847
R528
470R
LEFT 3
R529
470R
R538
10K
RIGHT 2 C528 C529 C561
R563
1nF 1nF 1nF
4K7
50V 50V 50V
1
+5V
R614 R616 R617 R620 R621 R622 R623
4K7 4K7 4K7 4K7 4K7 4K7 4K7
C620
1nF
GND
FAC
C621 100nF
+5V
XT601
8MHz
R601
Q600
470R
BC847 R602
470R
R604
4K7
LK603
C602 C601
0R
R603
47pF 47pF
470R
8
0V
0V
9C 500mV/cm, 20µs/cm
normal
3 - 5 GRUNDIG Service
Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of the PCBs
OSD
+5V
+12V
LK501 L502
R535
15uH
10K
1
R541 2
22K
3
Q506
BC847
C532 C533 4
33pF 33pF
5
6
R542 R543 7
22K 47K
8
Q504
R532 9
BC847
75R
10
C530
10uF D505 D508
R546
C531
R536 R537 16V BZX79C4V7 1N4148
10nF 100R
10K 10K
+5V
IC601
ST24C32
1 8
Steuer-Prozessor
2 7
Control Processor
3 6
4 5
R624 R625 R626
4K7 4K7 4K7
+5V
R627 R628 R611 R612 R613 R629
4K7 4K7 4K7 4K7 4K7 4K7
IC600
GND 1 42
HSYNC P5.2/R
2 41
VSYNC P5.3/G
3 40
P0.0/PWM0 P5.4/B
4 39
P0.1/PWM1 P5.5/OUT1
5 38
P0.2/PWM2 P2.0S/CLK
6 37
P0.3/PWM3 P2.1/SOUT
7 36
P0.4/PWM4 P2.2/SIN
8 35
P0.5/PWM5 P1.0/OUT2
9 34 R608 220R
P0.6/INT2/A-D4
P1.1/SCL1
10 33
P0.7/INT1 P1.2/SCL2
11 32 R607 220R
P2.3/TIM3 P1.3/SDA1
12 31
P2.4/TIM2 P1.4/SDA2
13 30
P2.5 P1.5/A-D1/INT3
14 29
P2.6 P1.6/A-D2
15 28
P2.7 P1.7/A-D3
16 27
D-A P3.0/A-D5
17 26
P3.2 P3.1/A-D6
18 25
CNVss RESET +5V
19 24 R630 4K7
XIN OSC1/P3.3
20 23 R631 4K7
XOUT OSC2/P3.4
21 22
R605
Vss Vcc IC602 D601
10K
KA7542 1N4148
IN OUT
1 3
C622
100nF 16V
2 GND
C605
3
10uF
C610
C606 16V
100nF
10uF
16V
IC501
M35011
C534
MITSUBISHI
10nF
20
OSC1 Vdd
1
19
OSC2 VSYNC
18
CS HSYNC
17
SCK OSCIN
16
SDA OSCOUT
15
AC P3
14
Vdd P2
2 13
16:9
CVIDEO P1 XT501
12
17.73442MHz
LECHA P0
11
CVIN Vss
C535 C536
12pF
12pF
-> PL100
S./p. 3-12
PL603
1
2
GNDS
3
4
5
6
7
8
9
7
PL602
SDATA
1
SCK
2
3
4
5
CS
6
7
8
9
-> PL103
S./p. 3-11
UP-KEY
DOWN-KEY
STANDBY-KEY
FAVOURITE
3 - 6