Oscillogrammes - Grundig str 622 twin Servicehandbuch

Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
Teilschaltplan VCR / Part of the Circuit VCR
+33V
TEILSCHALTUNG STR 622 VCR
PART OF THE CIRCUIT
+5V
CIRCUIT PAR TIEL
CR2006 PARTE DEL CIRCUITO
M
PARTE DE CIRCUITO
MP59
100k
100n
M
C2002
CC2006
M +
1000u/6,3V CT2012
9 8
BC848B
1k
5 4
+5V
CR1818
12
SAT-TUNER2
2 13
CR2015
29504-201.88 MP58
$C6
220
14
3 15 M
1 CC2113
P7 BFS20
CT2013
1 6 7 11 10 MP57
CR2013
MP56
CC2004
MP53 MP54 MP55
M
100n
5
CR2001
M M
2,2k
CR2018
3,3
1u/100V CC2003
M
CC2110
+
M
C2004 MP48 100n
100n
22u/50V
D2659
+
1N4002
C2005
1N4002 M
D2660
A
Seite / Page 3-3
Oszillogramme / Oscillogrammes
CS OSD
0V
SCL
0V
SDA
0V
0V
1 1V/cm, 100ns/cm 2 5V/cm, 20ms/cm
500mV/cm, 20ms/cm (SDA)
0V 0V
9 1V/cm, 20ns/cm
10 1V/cm, 20µs/cm
3 - 7
Net- Net-
connection connection AR
AR CO3 CO4
AL
Net-
connection
AR
CO5
A V
22p
33 42 56 47
470 CC2016
L2019 10n
23
FM
2,4V
IN
CR2012 L2016 22u
CC2019
47u
M
M M M M
L2116
5,6u
5A
47u
20
2,5V
B-BAND-IN
+
C2011
22p
100n 36
47u V DD
4,9V
+5V
5V
3,3k L2021
CC2013
29 32 31 30 35
M
M M
V
+5V
7
+12V
M V
0V
3 2V/cm, 2ms/cm 4 1V/cm, 20µs/cm
IR-Signal
0V
12 100V/cm, 20µs/cm
11 2V/cm, 10µs/cm
GRUNDIG Service
STR 622 TWIN Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams
+12V
AR
AL
AR AR AR
100n
A
CC2047
C2048
+ AL
A
220u/25V
48 49 46 51 44 45 34 26 43
IC2100
STV0056A
VCR
$46
19 18 100p 15 16 37 13 50 3
8A
M
CC2026
8
5,1k
CR2026 CR2047
V A
+12V/3
1k
1,8n
24 5 6 8 9 11 CT2071
BC858B
1 F2029 12
CC2073
IN F202004 OUT
GND
CC2072
23 22 21 20 19 18 17 16 15 14 13
CT2073
V 390p
BC857B
V
V
5
0V
0V
5A
0V
5 2V/cm, 20ms/cm 6 2V/cm, 20µs/cm
1V/cm, 20ms/cm
5A
0V
3 - 8
+12V
AL
100n
AL AL AL
V +12V/3
CC2062
C2063
+
V
220u/16V
C2064
+
V
39 40 38 41 52 220u/16V 17 22 21 11
S2 VID
S2 OUT L
S2 OUT R
S3 RTN L
S3 RTN R
S3 VID RTN
S3 VID OUT
S3 OUT L
S3 OUT R
2 1 53 54 55 4 8 6 10
1,8n
AL AL
AR AR CC2079
CC2078
AL
390p CT2078
BC857B
+12V/2
+12V/2
AR AL
0V
0V
8
7 1V/cm, 25ns/cm
8A
STR 622 TWIN
9
3,2V
OUT
12
5V
14
4,9V
24
4,7V
25
4,7V
5
2,7V
7
3,3V
27
5V
28
10
0V
10A
0V
2V/cm, 10ms/cm
1V/cm, 10ms/cm
GRUNDIG Service