Grundig TVR 3705 FR Service Manual page 22

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