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Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams TVR 37…, TVR 51…, TVR 55… Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams TVR 37…, TVR 51…, TVR 55…
4 - 43 GRUNDIG Service
4 - 44 GRUNDIG Service
Signal-Chassis – Bedieneinheit / Keyboard Control Unit (KSMD - CO)
5,3V
5,3V
5,2V
1,2V
1,5V
2,7V
2,7V
2,8V
0,7V
0,2V
TMP87SX39N
1,3V
2,4V2,2V
5,3V
4,8V
0V
PAL SECAM-L MESECAM
CSI
MES
LL
L
H
HH
5,3V
4,8V
5,3V
2,7V
1,9V
5V
0V
0V
0,2V
2,6V
0V
4,9V
4,9V
0,2V
4,9V
4,9V
5,2V
5,3V
5,3V
5,3V
0,3V
0V
2,7V
3,4V
3,4V
0V
0V
0V
0V
5V
5,1V
4,9V
4,7V
0V
0V
0V
4,8V
4,8V
4,5V
2,3V
0V
GREEN
RED
3,3V
0,5V
0,35V
0,7V
5,2V
ITR
ITL
STBL2
STBL1
delete for
VERSION 2 or 3
for VERSION
delete for
VERSION 2 or 3
for VERSION
STBY/ON
delete for
0E for
VERSION 2 or 3
VERSION 2 or 3
delete for
for VERSION 2 or 3
for VERSION
TLHR4605 (RED)
VERSION 2 or 3
2 or 3
2 or 3
2 or 3
for VERS.3
delete
(V. 1)
EJECT
STBY
Pr-Up
Vol-
REC
Vol+
WIND
STOP
REW
PLAY
Pr-Down
PLAY
(V. 2)
(V. 1)
(V. 1)
STOP/EJECT
(V. 2)
for VERS. 3
not used
not used
delete
for NTSCPB
from TV
for VERS. 2 and MSTD only
for SEC-
D
for TU2 and MSTD or
for TU2 and MSTD only
TU2 and MSTD only
8k2 for PDC
for VPS+TU2 or PDC+TU2 only
*
SDA5649/5650 for VPS/PDC + time download
*
for PDC only
33n for PDC
for PDC only
delete for PDC
470k for PDC
not used
SDA5642 for VPS only
from VS
for MSTD only
fo
r
for RGB-SC
A
not used
to TV
for NTSCPB
to VS,TV
to VS
from DE
from TV
to DE
to DE
to/from TV,TXT
to TV,TXT
from DE
to TV
for MSTD only
for NTSCPB
10k for NTSCPB
GOLDCAP
for TU2 and SEC-DK or
for VPS-TXT or PDC-TXT only
for TU2 and
MSTD only
delete for PDC
for TU2 and SEC-DK only
to/from TU2
to TU2
only
or MSTD
o
TIMER
REC
4561 7 8 9 101112131415161723
H
G
F
K
E
D
C
B
A
J
I
4561 7 8 9 101112131415161723
BC847B
7860
7861
BC847B
LSG3351-HO
6863
TLHR4205
6868
TLHR4205
6869
GNDD
GNDVPS
GNDDE
GNDDE
GNDDE
GNDDE GNDDE
GNDD
GNDVPS
GNDVPSGNDVPSGNDVPSGNDVPS GNDVPSGNDVPS
G
GNDD
GND
D
GNDD
GNDD
GNDD GNDD
GNDDE
GNDD
GNDD
GNDD GNDDGNDD
GNDD
GNDD
GNDD GNDD
GNDTV GNDTV
GNDVPS
GNDVPS
GNDDE
5DS 5STBY
5STBY
5STBY
5DS5STBY
5STBY
5STBY 5STBY
5STBY
5STBY 5STBY 5STBY
5STBY 5STBY
5STBY
5STBY
5STBY
5STBY5DS 5STBY 5STBY
0E
4803
0E
4801
0E
4802
100E
3853
100E
3854
220E
3856
6k8
3857
220E
3858
820E
3862
0E
4800
330E
3855
10k
3892
3891
10k
3876
6k8
3859
100E
3864
100E
3863
100E
3840
100E
3841
0E
4082
0E
4081
6k8
3842
3k3
3847
3k3
3846
1M
3845
5k6
3812
1M
3844
100E
3850
1M
3815
100k
3851
1M
3843
10k
382
3
4k7
3832
0E
4084
100E
3831
4k7
3830
10k
382
5
100k
3801
10k
3829
220E
3835
10k
3836
10k
3866
10k
3865
10k
3867
3k3
3833
3k3
3834
100
E
3821
150k
3808
39k
3800
4k7
3813
2k2
3816
100E
3822
4k7
3824
4k7
3826
10k
3877
68k
3899
3852
100E
3878
100E
3879
220E
3868
220E
3869
10k
3894
10k
3893
1908
1
2
3
4
5
6
7
1861
1854
1850 1860 1857
185518511859
1853 1856 1852
1858
10n
2845
2n2
2841
2844
100n
2842
100n
2843
27p
2803
100n
2810
2863
100n
100n
2816
10n
2817
2813
22p
2812
100p
2837
100p
2838
2840
10n
2898
1804
SEC_DET
SB1_1
SDA
SCL
VP IPOR
DATD1
DATD2
CLKD1
CSI
MES
AFC1
SAT
SCL2
SDA2
5
19
6
AKP
20
1502
AKP
21
1502
7
5,5V
220m
2802
16V
47u
2815
16V
47u
2801
25V
2811
4u7
6830
1N4148
BAT85
6801
B
6u8
5801
6u8
5840
5841
7812
TFMS5360
IR-Receiver
1
32
1803
32,768kHz
7813
8
5
6
7
ST24C08B1
1
2
3
4
SDA5642-5
7840
9
10
11
12
13
14 1
2
3
4
5
678
SYNC-
DATA-
CLOCK-PLL
SLICER
AQUISITION
DATA-
INTERFACE
I2C-BUS
TIMING
VCS
FBAS
IREF
VCO
INUL
PD1
UDD
TI
DAVN EHB
SCL
SDA
CSO
USS
7801
27
26
2524
42
43
58
59
60
61
62
63
2
3
4
5
6
7
8
9
10
11
48
49
50
51
52
53
54
55
56
57
12
13
14
15
16
17
18
19
20
21
22
23
28
29
30
31
33
34
35
36
37
38
39
40
41
47
44
64
32145 46
P62
P60
P61
P74(SCK1)
P53(AIN1)
P50(PWM8)
P13(DVO)
P14(PPG)
P15(TC2)
P16
P17
P54(AIN2)
P04
P05
P47(PWM7)
P63
P21(XTIN)
P72(SCL1/SI1)
P51(PWM9)
P73(SDA1/SO1)
P34(SCL/SI)
P22(XTOUT)
P40(PWM0)
P43(PWM3)
P44(PWM4)
P45(PWM5)
P32(INT4)
P36(SCK)
P33(TC4)
P70(HD)
P71(VD)
P64(R)
OSC2
OSC1
VDD
VSS
RESET
P35(SDA/SO)
P52(AIN0)
P31(TC3)
P20(INT5/STOP)
P30(INT3/RXIN)
P00
P01
P02
P03
P06
P07
P10(INT0)
P55(AIN3)
P41(PWM1)
P46(PWM6)
P11(INT1)
P12(INT2/TC1)
P42(PWM2)
P65(G)
P66(B)
P67(Y/BL)
P57(AIN5)
P56(AIN4)
T C O
7805
DTC124EK
1802
07
1
2
3
4
6
1801
8MHz
2
3
1
XTAO
GND
XTAI
2814
7,5-50p
10k
3838
4k7
3837
VERSION 1
16


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