GRUNDIG Service
4 - 45
TVR 37…, TVR 51…, TVR 55…
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
0,9V
0,3V
0,35V
4,2V
5V
5V
2,6V
0,3V
0,8V
0,8V
0,8V
2,6V
5,2V
2,7V
1,2V
not used
for SEC-DK
from TV
from TV
for RGB-SCART only
or RGB-SCART only
from IO
to TV
from AL
to TV
to TV
only
for NTSCPB
for NTSCPB
to TV
to TU2
to TV
from TV
to TV
to TV
to TV
to TV
from TV
to TV
to TV
to TV,TXT
to TV
to TV
from TV
from TV
LDCAP
to TV
to TV
to TU2
to TU2
delete for /08
or MSTD only
3870 A18
3837 A 9
3836 A 9
3835 B 8
3834 E 8
3833 E 8
3832 D11
3831 I11
3830 J10
3829 J11
3826 F16
3869 I 5
3825 J17
3824 J16
3823 I17
3822 H16
3821 I17
3820 H19
3819 H22
3818 H22
3817 G21
3816 I16
3868 I 6
3815 A 2
3814 G18
3813 G15
3812 C 1
3811 F21
3810 F20
3809 F17
3808 F17
3807 E20
3806 E20
3867 E 7
3805 E18
3804 E20
3803 E21
3802 D20
3801 C11
3800 A16
2898 J15
2870 A22
2863 E 3
2845 D 3
3866 E 6
2844 B 1
2843 C 1
2842 D 2
2841 D 3
2840 B 3
2838 E 8
2837 E 7
2817 A10
2816 A 9
2815 B 8
3865 E 6
2814 C10
2813 C10
2812 C11
2811 C10
2810 C10
2809 F21
2808 F21
2807 F18
2806 F20
2805 F20
3864 E 4
2804 F19
2803 C17
2802 A17
2801 A15
1908 J 1
1861 G 3
1860 G 2
1859 G 1
1858 H 4
1857 G 4
3863 E 4
1856 H 2
1855 G 4
1854 H 4
1853 H 1
1852 H 3
1851 G 3
1850 G 1
1804 A16
1803 B11
1802 C17
3862 K 8
1801 K12
1502 G16
1502 E 2
3872 A19
3859 K10
3858 J 9
3857 J 9
3856 J 7
3855 K 9
3854 J 9
3853 J 7
3852 A 3
3851 A 2
3850 B 2
3873 A19
3871 A19
3847 C 1
3846 B 1
3845 D 1
3844 C 2
3843 D 2
3842 C 3
3841 C 7
3840 D 8
3839 A20
3838 A11
7870 B19
7870 A20
7870 B20
7870 A23
7861 K10
7860 K 9
7840 B 6
7820 H22
7813 E 5
7812 B 8
7805 A10
7801 C13
6869 I 5
6868 I 6
6863 K 7
6830 J10
6805 H19
6804 F19
6803 F18
6802 A17
6801 A12
5841 A 3
5840 A 2
5801 A13
4803 K 8
4802 J 8
4801 K 9
4800 K 9
4084 F17
4082 A 1
4081 A 1
3899 J15
3894 I 6
3893 I 7
3892 H15
3891 A16
3879 J 5
3878 J 6
3877 H 8
3876 E10
3875 A22
3874 A21
17
18
19
20
21
22
23
H
G
F
K
E
D
C
B
A
J
I
17
18
19
20
21
22
23
7820
BC847B
GNDD
DDE
GNDTV
GNDTV
GNDTV
GNDTV
GNDD
GNDD
GNDD
GNDD
NDD
GNDD
GNDD
GNDD
GNDTV
GNDD
GNDTV
GNDTV
GNDD
5DS
+8V
5STBY
5STBY
5STBY
5STBY
5STBY
5STBY
+8V
100E
3820
10k
3823
100E
3814
1k8
3807
150k
0E
4084
100k
3803
10k
3809
10k
3825
100k
3804
47k
3806
100k
3802
10k
3810
100k
3805
1k
3873
1k
3875
2k2
3871
15k
3872
2k2
3870
100E
3821
10k
3819
33k
3818
10k
3817
150k
100k
3811
1k5
3874
1k5
3839
100p
2807
27p
2803
100n
2804
100n
2809
100n
2806
4n7
2870
HFB/SC
BLOSD
BOSD
GOSD
ROSD
SFPOSD
BRI
SHP/COIN
HUE
CONTR
VOL
PROT
IFID
MONI
STBY
RGBON
IMNT1
MNT2
PSS1
PSS2
8SC
SB1_2
AGC1
IFPOSD
50V
2805
2u2
5,5V
220m
16V
2808
47u
1N4148
6804
BAT85
6802
1N4148
6805
2
5
4
3
12
LM339N
7870
6803
1
6
7
7870
LM339N
14
8
9
7870
LM339N
13
10
11
7870
LM339N
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