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GV 26 EURO, GV 6000 EURO, GV 6300 EURO
Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
GV 26 EURO, GV 6000 EURO, GV 6300 EURO
Circuits imprimés et schémas électriques / Layout of PCBs and Circuit Diagrams
GRUNDIG Service
4 - 27
GRUNDIG Service
4 - 28
Circuit principal / Family Board – IN/OUT (IO)
31
13
IO(39620)
OSCILLOGRAMS
..
for 2scart only
...V MEASURED IN PLAYBACK MODE
...V MEASURED IN RECORD MODE
pin10
pin10
blanking
blanking
VIN2
VIN2
VOUT2
VOUT2
AIN2
AIN2
AIN2
AOUT2
AOUT2
VFR
VFR
AFR
AFR
SCL
SCL
SCL
DATD2
DATD2
OCLK/H_2
OCLK/H_2
DATD1
DATD1
CLKD1
CLKD1
OCS/OFP
OCS/OFP
SDA
SDA
SDA
VIN1
VIN1
VIN1
VIN1
MON
MON
MON
VOUT1
VOUT1
8SC2
8SC2
INT
INT
FSC
FSC
VIDOUT
VIDOUT
VIDOUT
VFV
VFV
VFV
red
red
green
green
blue
blue
CSYNC
CSYNC
ODAT/SACO
ODAT/SACO
VBS
VBS
VBS
VPSVID
VREC
VREC
VREC
VOSD
VOSD
OFP
IS2
IS2
POR
POR
IPBV
IPBV
SCCONI
SCCONI
AMLP
AMLP
AMLP
AMLP
H_2
AFV
AFV
AFV
AIN1
AIN1
AIN1
IS1
IS1
DEC
DEC
AMLR
AMLR
to
1scart
only for
2,3V
1,1V
-0,6V
5V
4,3V
0V
0V
5,1V
5,2V
0V
5,1V
1,8V
0V
1,7V
0V
0V
0,6V
0,5V
0V
0,4V
for 1scart only
C
A
for PDC only
for VPS only
TXT
delete for
to VS, SE
To PVIO Connector 1953
To Frontconnector
To POIO Connector 1952
To POIO/ PIO Connector 1951
OS
1,4V
2,3V
1,4V
1,8V
1,9V
1,7V
1,7V
0,7V
4.9V
0V
-0,7V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
for 2scart only
delete for Frontconn.
From VS
From DE
delete for TXT
AL
FV
SDA5642 for VPS only; SDA5648 for PDC; SDA5649 time download
not used
for PDC 470k
for 2scart only
VPS/PDC
from/to
VS
from/to
from/to
DE
from/to
only for VPS
PDC-Option
Pos 7540:
5,2V
1,2V
1,4V
2,7V
2,7V
2,7V
for PDC 33n
for PDC 6k8
for
1SCART only
to OS
delet for TXT
for < 1W
only for 3uP OSD
only for TXT
for 1scart only
for 1scart only
100k for Frontconn.
for 1scart only
3uP+OSD
SCART 1
1103
TXT and TXTFF
for 1scart 68E
from DE
3592 D15
4411 D20
4506 B11
5510 D18
6550 B11
6553 B 7
6570 B 3
6572 B 5
6573 D 2
6574 D 3
3571 D 3
3572 D 4
3573 D 4
3574 A21
3576 C11
3577 C11
3580 D 3
3581 E 3
3590 K15
3591 J15
3547 H 8
3548 H 9
3549 G10
3550 G10
3551 G10
3552 G 9
3553 G 9
3560 F15
3561 F15
3570 B 4
3534 K 7
3535 K 7
3536 H 6
3540 H16
3541 H16
3542 I10
3543 I10
3544 I 9
3545 I 8
3546 H 8
3521 A 7
3522 B 7
3523 C 8
3524 B 8
3525 D12
3526 D12
3530 D15
3531 D20
3532 A14
3533 I 6
3510 E 8
3511 E 7
3512 G22
3513 G19
3515 F17
3516 G17
3517 H18
3518 H18
3519 C 6
3520 C 7
2572 E 3
2573 C 7
2574 B 6
2575 B22
2590 J14
2591 J14
2592 B 2
3503 D 5
3506 E 8
3509 B19
2518 F20
2519 E16
2540 I11
2541 I10
2542 I 9
2543 H 8
2544 G 8
2545 G 9
2570 D 3
2571 E 3
1592 A22
1917 A 1
1951 I22
2510 D 8
2512 E17
2513 D18
2514 E19
2515 E19
2516 F19
2517 F19
7550 B10
7551 B13
7552 G17
7560 E15
9350 G22
6575 E 3
6576 E 3
6590 J15
7501 B 7
7502 B 8
7510 D 8
7512 B20
7540 G14
7550 B18
7550 B17
4
5
6
7
8
9
10
11
12
13
14
15
16
17
2
18
19
20
21
22
3
I
H
L
G
F
E
D
C
B
A
K
J
I
H
L
G
F
E
D
C
B
A
K
J
4
5
6
7
8
9
10
11
12
13
14
15
16
17
2
18
19
20
21
22
3
3515
75E
3592
0E
3521
1M2
3522
100k
3523
1M2
3519
390k
3520
100E
3524
100k
3512
1k
3513
4k7
3509
100k
3577
1k
3517
100E
3518
100E
3510
4k7
3580
470E
3570
75E
3581
6k8
3571
6k8
3591
2k2
3590
3k3
3573
47k
3572
220k
3511
100k
3576
3k3
3503
0E
3516
75E
3506
100k
3530
4k7
3532
0E
3533
0E
3534
0E
3536
0E
3535
0E
GNDD
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDD
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
0E
4411
4k7
3561
100E
3560
0E
3552
0E
3553
0E
3531
0E
3574
0E
3526
0E
3525
1M
3543
100k
3550
1M
3551
100E
3549
1M
3544
5k6
3548
1M
3545
3k3
3546
3k3
3547
6k8
3542
100E
3540
100E
3541
0E
4506
9350
6570
BZX79-C12
6576
BZX79-C12
6574
BZX84-C12
6573
BZX84-C18
6590
BZX79-C6V8
6572
BZX79-C12
6575
BZX84-C12
BC548B
7560
BC848B
7502
BC848B
7501
BC848C
7512
BC848C
7510
+12A
+5dauer
5ASW
5ASW
5VA
+5dauer
+5D
5VA
-7V
+5D
5VPB
5VA
-28V
5VA
5VA
-7V
-7V
-7V
-7V
-7V
-7V
-7V
-28V
-7V
-7V
5VA
5VA
5VA
5VA
+12A
5VA
5VPB
-7V
+12A
OCS
OCLK ODAT/SACO
VFV
+5dauer
5ASW
VIDOUT
IPBV
VIN1
SCCONI
-28V
5VPB
5VA
+5D
DATD2
OFP
CLKD1
DATD1
POR
IS1
INT
AMLR
VREC
8SC2
VFV
AMLP
CSYNC
AFV
VPSVID
8SC1
H_2
FSC
SDA
SCL
VOSD
6V3
2575
10n
6V3
2573
10n
25V
2574
470p
25V
2513
100n
25V
2517
100n
25V
2516
100n
25V
2515
100n
25V
2514
100n
50V
2571
470p
50V
2570
470p
50V
2590
10n
50V
2572
470p
25V
2518
100n
25V
2519
100n
25V
2592
100n
1592
8
7
6
5
4
3
6
2
1
12
11
10
9
8
7
6
5
5
4
3
2
1
4
3
2
1
15
14
13
7
12
8
11
10
9
1951
1
2
3
4
5
6553
1N4148
1N4148
6550
25V
100n
2545
25V
100n
2543
25V
100n
2542
50V
2544
25V
100n
2540
25V
2n2
2541
3
5
4
9
7550
HEF4053BT
6
16
7
8
Vee
S
Z
Vss
Y0
Y1
Vdd
E
6,3V
2512
47u
16V
2510
10u
16V
2591
100u
HEF4052BP
7551
10
11
12
13
14
15
1
2
3
4
5
6
9
16
7
8
MSB
LSB
L
H
L
H
HH
HL
LH
LL
HH
HL
LH
LL
VEE
VDD
VSS
LOGIC
SDA5642-5
7540
10
11
12
13
14
1
2
3
4
5
6
7
8
9
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
6u8
5510
7552
STV6400
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
x1
x2
x2
IIC
BUS
10k
10k
12
13
14
11
7550
HEF4053BT
S
Z
Y0
Y1
E
2
1
15
10
7550
HEF4053BT
S
Z
Y0
Y1
E
1917
15
11
16
10
7
19
14
13
9
5
4
18
21
17
6
2
3
1
8
20
AudInL
AudInR
AudOutL
VideoIn
AudOutR
blanking
Swtching
VideoOut
blue
red/c
green
B
VFV
32
Reference
AL..............4-34
DE .............4-21
FV..............4-25
HV .............4-33
IO ..............4-27
OS .............4-24
PDCG1......4-36
PIO ............4-35
PKG11.......4-37
PKG12.......4-38
PMB ..........4-17
PSM ..........4-14
SE .............4-32
VS .............4-29
DC, 500mV/Div, 20
µ
s/Div
0V
IC7051-(16), T7821 - Emitter
13
PB
AC, 500mV/Div, 200
µ
s/Div
C2611
31
REC
AC, 500mV/Div, 200
µ
s/Div
0V
R3611 / IC7551 - (3)
32
REC