4 - 28
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
TVR
37…, TVR
51…, TVR
55…
Bildrohrplatte / Tube PCB TVR 37…
TO POWER PCB 1925
25mV
0,65V
7,4V
0V
1,3V
1,3V
1,3V
1,3V
178V
110V
100V
100V
(TV-part)
R-Cutoff
G-Cutoff
B-Cutoff
Uref
TO POWER PCB
DEG2
DEG1
VRGB
AQUADAG
GNDA
HEATER
GNDTV
8
B
G
R
TO SIGNAL-CHASSIS 1913
FOCUS
TO POWER PCB
L5550
ANODE
TO POWER PCB 1926
1924
G-Gain
B-Gain
SCREEN
1,4V
RGB-AMP
HEAT DETEC
DISCHARGE
TUBE
9907 E10
9905 I10
9903 H 6
9902 J 3
9901 K 3
7902 I 7
7901 H 5
7900 C 6
6906 J 5
5902 I 2
3936 I 6
3932 I 5
3931 J 6
3930 I 7
3925 G10
3922 H 4
3921 B 2
3920 H 3
3919 D 2
3918 E 3
3917 B 4
3916 G10
3915 E 9
3914 F 9
3913 C 9
3912 A 6
3911 A 6
3910 G 6
3909 E 5
3908 E 5
3907 G 3
3906 H 3
3905 D 4
3904 D 3
3903 C 4
3902 B 3
3901 G 2
2913 J 6
2908 B 6
2907 H10
2906 B 6
2905 E 4
2904 G 3
2903 D 3
2902 B 3
2901 J 4
1969 J 2
1967 A 2
1962 D13
1961 D12
4
5
1
6
7
8
9
10
11
12
13
14
15
16
2
3
H
G
F
K
E
D
C
B
A
J
I
H
G
F
K
E
D
C
B
A
J
I
4
5
1
6
7
8
9
10
11
12
13
14
15
16
2
3
1969
1
2
3
4
560k
3922
1k5
3925
1k5
3916
1k5
3915
82k
3912
82k
3911
82k
3910
1k5
3909
8k2
3908
5k6
3907
820E
3905
5k6
3904
820E
3903
5k6
3902
820E
3906
680E
3901
1k5
3913
1k5
3914
10k
3930
4k7
3931
4k7
3932
2k2
3936
9907
9901
9902
9903
9905
8
+180V
+180V
8
8
7902
BC547B
7901
BC547B
330u
5902
10u
2905
4u7
2908
4u7
2913
10n
2907
22n
2906
10p
2904
10p
2903
10p
2902
1n
2901
6906
BAV21
470E
3918
470E
3917
470E
3920
2k2
3919
2k2
3921
7
9
3
RED
GREEN
BLUE
1961
4454-S
6
8
4
5
2
10
1
TDA6103Q/N3
7900
1
2
3
4
5
6
7
8
9
1962
1967
1
2
3
4
5
Reference
AL ..............P 4-62
CO .............P 4-43
DE..............P 4-63
IO...............P 4-55
GSPD ........P 4-16
KSMD ........P 4-31
KSPD.........P 4-37
TU2............P 4-52
Tube PCB ...P 4-27
TV ..............P 4-49
VS..............P 4-59
