4 - 46
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
TVR 37…, TVR 51…, TVR 55…
Signal-Chassis - Bedieneinheit / Keyboard Control Unit (KSPD – CO)
5,3V
5,3V
5,2V
1,2V
1,5V
2,7V
2,7V
2,8V
2,3V
RED
GREEN
not used
VERSION 2
delete for
STBY/ON
delete for VERS. 2
for VERS. 2 only
deleted for VERS. 2
for VERS. 2 only
TIMER
REC
(VERS.1)
EJECT
WIND
PLAY
STOP
REW
(VERS.1)
REC
Vol+
Vol-
Pr-Up
(VERS.2)
(VERS.2)
Pr-Down
TIMER
REC
STBY/ON
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
PLAY
REW
STOP/EJECT
WIND
Pr-Down
Vol-
REC
Vol+
to/from TV,TXT
to TV,TXT
from D
Pr-Up
(VERS.2)
(VERS.1)
(VERS.2)
(VERS.2)
(VERS.2)
(VERS.2)
(VERS.2)
(VERS.2)
(VERS.1)
(VERS.1)
(VERS.1)
(VERS.1)
(VERS.1)
(VERS.1)
(VERS.1)
STBY
(VERS.2)
(VERS.1)
for VPS-TXT or PDC-TXT only
for VERS. 2
delete
VERS. 2
delete for PDC
820E
to/from TU2
to TU2
for
STBY
4
5
6
1
7
8
2
3
H
G
F
K
E
D
C
B
A
J
I
4
5
6
1
7
8
2
3
10n
2845
2n2
2841
2844
100n
2842
100n
2843
2863
100n
100p
2837
100p
2838
2840
5STBY
5STBY
5STBY
5DS
5DS
5STBY
5DS
5DS
5STBY
5STBY
5STBY
5STBY
5STBY
5STBY
5STBY
5S
5ST
10k
3893
10k
3894
100E
3878
100E
3879
0E
3862
220E
3868
220E
3869
100E
3860
100E
3861
220E
3856
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
220E
3835
10k
3866
10k
3865
10k
3867
3k3
3833
3k3
3834
10k
3877
100E
3853
220E
3848
220E
3849
3852
GNDVPS
G
GNDDE
GNDDE
GNDD
GNDVPS
GNDVPS
GNDVPS
GNDVPS
GNDVPS
GNDVPS
GNDVPS
GNDDE
G
GNDD
GNDD
GNDVPS
GNDVPS
GNDDE
SDA
SCL
VP
IPO
SCL2
SDA2
5
19
6
AKP
20
1502
16V
47u
2815
6u8
5840
5841
6862
LSG3331-JO
6863
TLHR4205
6868
TLHR4205
6869
TLHR4205
6860
TLHR4205
6861
TLHR4205
78
TFM
IR-Re
2
78
TFM
IR-Re
1
2
7860
BC84
1881
1877
1873
1880
1876
1872
1879
1871
1870
1874
1860
1859
1858
1854
1878
1856
1857
1853
1851
1850
1861
7813
8
5
6
7
ST24C08B1
1
2
3
4
SDA5642-5
7840
9
10
11
12
13
14
1
2
3
4
5
6
7
8
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
VERSION 1