4
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
TVR 37…, TVR 51…, TVR 55…
Verdrahtungsplan / Wiring Diagram TVR 51…
Front Cinch Board
1013
MACH
MACC
2
1
1002
1015
7
5
8
9
PH3
PH2
PH1
1935
SPEAKER
1931
EARPHONE-JACK
2
3
4
1
6
10
11
14/9M1
14M1
14M2
14M2
GNDM
GND5A
5A
GND5D
5D
GNDM
33A
12
13
STBY
5STBY
AEH1
CTL2
AEH2
APH
GND
ARH
CTL1
1909
VDEFL
MAINS SWITCH
12
1
7
5
8
6
9
10
11
L8
L6
L1
L2
L4
L3
# 2563.
EURO-AV
Tuner 1
TURBO/ECO-WD
PICTURETUBE
Antenna Input
Picturetube-PCB
Component side
SCREEN
AQUADAC
AQUADAC
HEATER
GNDA
VRGB
GNDA
FMPV
5VAS
CSYNC
ENVC
TRIV
HSC
HP1
FMRV
GNDA
1902
GND
APH
AEH2
AEH1
CTL2
CTL1
ARH
1900
REEL
5D
GNDM2
GNDD
14M2
PG/FG
TMO2
N.C.
TMO1
1-1
RECP
WTL
5STBY
TAE
GNDD
14/9
CREV
CAP
FG
GNDM1
TAS
INIT
LED
WTR
FTA
1905
1904
1903
1901
14
13
12
11
15
9
8
7
6
10
4
3
2
1
5
6
4
3
2
1
5
9
8
7
6
10
4
3
2
1
5
B
GNDTV
R
8V
G
4
3
2
1
5
1913
AQUADAC
HEATER
GNDA
VRGB
1
2
3
4
1969
1967
4
3
2
1
4
3
2
1
5
Signal-Chassis PAL
Component side
HDEF2
UBAT
VDEFH
3
4
5
6
2
1
HDEF1
110LOT
1925
FOCUS
1923
4
3
2
1
5
6
4
3
2
1
5
DEGC2
DEGC1
2
1
1924
MEH2
MEH1
1
2
1
2
3
7
6
4
3
2
1
5
1-1
GNDVS
FMPV
5VAS
CSYNC
ENVC
9
8
7
6
10
TRIV
HSC
HP1
FMRV
GNDVS
4
3
2
1
5
2
4
5
6
7
3
1
RECP
WTL
5STBY
TAE
GNDD
9
8
7
6
10
14/9
CREV
CAP
FG
GNDM1
4
3
2
1
5
TAS
INIT
LED
WTR
FTA
14
13
12
11
15
REEL
6
5D
GNDM2
GNDD
14M2
PG/FG
4
3
2
1
5
TMO2
N.C.
TMO1
1
2
3
PROT
BCI
VCOMP
GND9A
4
3
2
1
5
7
9A
-7V
VDR
VFB
GNDTV
HDR
4
3
2
1
5
HFB
1911
LS2
N.C.
LS1
3
2
1
N.C.
MEH1
MEH2
3
2
1
B
GNDTV
R
8V
G
PROT
BCI
VCOMP
GND9A
9A
-7V
1915
VDR
VFB
GNDTV
HDR
HFB
1916
EARPHONE-JACK
E.H.T
E.H.T
FOCUS
Vg2
Vg1
RED
GREEN
BLUE
HEATER
GNDA
AQUADAC
SCREEN
1966 (1965)
Tuner 2
SCANNER
AUDIO-CONTROL-HEAD
THREADING MOTOR
HEAD AMPLIFIER
1
2
3
4
TOP
VDEFL (Green)
HDEF2 (Blue)
HDEF1 (Red)
VDEFH (Yellow)
DEFLECTION COIL
Rear View
GNDTV
Component side
Mainsswitch-PCB
1912
2
3
4
5
1
6
10
9
8
7
11
14/9M1
14M1
14M2
14M2
GNDM
GND5A
5A
GND5D
5D
GNDM
33A
12
13
STBY
5STBY
1921
POWER - PCB
Component side
1926
LINE POWER CORD
1914
LINE OUTPUT TRANSFORMER
ERASE-HEAD
CRT CONNECTION SOCKET
GROUND LEAD ( OPTION )
BUPI ( OPTION )
Component side
1922
only for 2 TUNER CONCEPT
1963
1962
1964
7
8VSW
FASTON CONNECTOR
plugged on PCB
6
8VSW
1971
1
2
3
PH3
PH2
PH1
3
2
1
1929
CRT CONNECTION TERMINAL
GSPD20
GSPD20
GSPD20
GSPD20
KSPUx
1933
VIDEO-AUDIO-JACK
GND
GND
ACIM
3
2
1
VCI
4
GND
GND
ACIM
3
2
1
VCI
4
1918
