Grundig CUC 7305, Service Manual

Page: 44 / 58

GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams CUC 7305
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of the PCBs and Circuit Diagrams CUC 7305
4 - 15 4 - 16
0V
1 500mV/cm, 5µs/cm
0V
5V/cm, 500ms/cm
2
0V
3 5V/cm, 5µs/cm
0V
4 100V/cm, 5µs/cm
in Betrieb
in operation
0V
5 500mV/cm, 5µs/cm
6V
100mV/cm, 20µs/cm 6
1,5V
100mV/cm, 20µs/cm 7
1,5V
100mV/cm, 20µs/cm 8
4V
500mV/cm, 20µs/cm
9
4V
500mV/cm, 20µs/cm
10
2V
200mV/cm, 1µs/cm
11
0V
500mV/cm, 250ns/cm 12
0V
2V/cm, 20µs/cm 13
0V
1V/cm, 10ms/cm 14
0V
1V/cm, 20µs/cm 15
0V
1V/cm, 20µs/cm 16
0V
1V/cm, 20µs/cm 17
0V
1V/cm, 50µs/cm 18
0V
1V/cm, 20µs/cm 19
0V
1V/cm, 5ms/cm
20
0V
1V/cm, 5ms/cm 21
0V
5V/cm, 20µs/cm 22
0V
200V/cm, 20µs/cm 23
0V
10V/cm, 5ms/cm 24
0V
2V/cm, 5ms/cm 25
0V
2V/cm, 20µs/cm 26
0V
50V/cm, 20µs/cm
27
0V
1V/cm, 10µs/cm 28
0V
500mV/cm, 10µs/cm 29
0V
2V/cm, 200µs/cm 30
0V
Oszillogramme Chassis
3,3n
CC383
100n
CC381
CR382
47
CR381
220
3
2
1
ST-CH
3
2
1
ST-KH
1
2
LS
2,7k
CR328
4,7
CR331
8,2
L381 -014
1k
CR541
SB
10/7W
R532
+
1000u/35V
C446
+
22u/350V
C543
+
470u/10V
C331
*
X
R554
BYV16
D543
1N4936
D444
BR546
390p
C444
KP2
F
0,22u
C542
F
0,22u
C541
F
/MKC4SV21
C532
0,1u
CC331
0,1u
CC328
*
R542
1,2k
R546
1,5k
R553
10/1W
R543
100n
CC382
L
I
G
C
F
H
B
A
GND
HS
F
G2
U
U
0,75W
29201-
TR550
5
4
3
2
1
ST-BR-HZ
220u
L543
7233
6
5
4
3
1
320
37cm
37cm
37cm
BR205
KH
0 0
1
R203
100n
CC3382
-014
L3381
L
R
10
11
1
2
3
KH335
220
CR3381
47
CR3382
100n
CC3381
L
R
10
11
1
2
3
V2BK003
KH3335
3,3n
CC3383
w.w.
*
R442
1
R2203
M
M
M
M
M
M
M
M
M
M
M
M
M M
M
M
M
M
M
M
M
+C
+C
UF
+A
HS
+D
UG2
+B
+B
KH
KH
KH KH
KH
KH
KH
KH
G‘
BR-PLATTE
090300
2,7/2W 2,7/2W
12k
CUC7305
47p 47p 47p
BYV37 BYV37 BYV37 BYV37 BYV37 BYV37
-653.02
ca. 200V/17-21"
ca. 130V/14"
0,91 0,91 0,91 0,91
*
1,2u 1,2u 1,2u 0,68u 0,68u 0,68u 0,68u 0,68u
1,5
7,3n
1,5 1,5 0,33 0,33 0,33 0,33 0,33
ST-KH/CH
8311-200-016
21754-907.0100
-838.51 -838.51 -850.51
0,22u
270
-031.57
9n
0,22/2W 1,5/1W
9n
-031.57
270
21" EFS83X191
21" SAMSUNG
-031.54C -031.54C -031.54C -031.54C
EAX93X02
VIDEO-COLOR
VIDEO-COLOR
-850.51
7,5n
1,5k/4W
8311-200-010 8311-200-010
0,1u
8311-200-012
SN / 27,5kV
150u 150u
155X01/27,5kV
20"
21" SN PHI
20" SAMSUNG 20" SAMSUNG 17" 14" PHILIPS 14" ORION
ON 20" SAMSUNG
UR 20" SAMSUNG
N 20" SAMSUNG
H 20" SAMSUNG
0" SAMSUNG
8311-200-010
8,3n 8,3n
0,56 0,56
12k 15k 15k 15k 15k 15k 15k 15k
BYT56M BYT56M
29201-519.97 29201-519.97
6,8k 6,8k
0,47u/100V 0,47u/100V
838.51 838.51
820/2W 820/2W
1,5 1,5
1,1k 1,1k
2,2u/100V 2,2u/100V 2,2u/100V 2,2u/100V 2,2u/100V 2,2u/100V
10k 10k 10k 10k 10k 10k
2,2/2W
820 820 820 820 820 820
4,7/1W 3,3/1W 7,5/1W
A LA PLACA-ZOCALO TRC
A LA PLACA-ZOCALO TRC
ALLA PIASTRA CINESC.
ALLA PIASTRA CINESC.
VERS C.I. TUBE CATHOD
VERS C.I. TUBE CATHOD
TO CART BASE
TO CART BASE
ZUR BILDROHRPLATTE
0,51 0,51 0,51 0,51 0,51 0,51 1 1
*
LS4148 LS4148 LS4148 LS4148 LS4148 LS4148
100k
100k
100k
100k 100k 100k
100k
100k 100k
100k
100k 100k
100k
100k
100k
100k
100k
110k 110k
15k 15k
100k 0 0
390
100u 100u 100u
270 270 270 270 270
360/2% 360/2% 360/2% 360/2% 360/2%
0,15u 0,15u 0,15u 0,15u 0,15u
1,8 1,8 1,8
-114.95 -114.95 -114.95 -114.95 -114.95
0,33u/MKP4 0,33u/MKP4 0,33u/MKP4 0,33u/MKP4 0,33u/MKP4
2,2k 2,2k 2,2k
1k 1k 1k
29201-513.97 29201-513.97 29201-513.97
8311-200-010
10k 10k 10k 10k
47u 47u 47u
0 0 0
0,15u 0,22u
29201-513.97
1,8 1,8 1,8
-115.95
2,2k 1,5k
1k
1
1,1k 1,1k
1
3,9k
29201-512.97 29201-514.97
-653.01
8311-200-020 8311-200-020
10k 13k 13k
6,8n 7,8n
0,26u/MKP4 0,42u/MKP4 0,42u/MKP4
820 OHM/2W 820 OHM/2W 1,5k/4W
1
2
3
4
5
6
7
8
27
470u/35V
/25V
circuits are allowed to be put out of operation
only for a short time.
or the picture tube the integrated protective
To avoid consequential damages to the chassis
the precise adjustment of the +A power supply.
and thus the developing X-radiation depends on
The high tension for the picture tube
duerfen nur kurzzeitig ausser Betrieb
ist abhaengig von der exakten Einstellung
der NetzteilspA.
am Chassis oder an der Bildroehre zu vermeiden.
gesetzt werden, um Folgeschaeden
Schutzschaltungen im Geraet
und die damit auftretende Roentgenstrahlung
Die Hochspannung fuer die Bildroehre
F
F
SEITE / PAGE 4 - 17
SEITE / PAGE 4 - 17