Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GRUNDIG Service-Technik
4 - 13
GRUNDIG Service-Technik
4 - 13
Chassisplatte / Family Board – IN/OUT (IO)
OSCILLOGRAMS
24
28
39
29
...V MEASURED IN RECORD MODE
...V MEASURED IN PLAYBACK MODE
(direct soldered)
(direct soldered)
VOUT1
VOUT1
VFR
VFR
AMLP
AMLP
AMLP
8SC2
8SC2
AFR
AFR
VIN1
VIN1
VE12
VE12
POR
POR
AFV
AFV
AFV
AOUT1
AOUT1
AIN1
AIN1
CLKD1
CLKD1
VFV/TX
VFV/TX
AMLR
AMLR
VFV
VFV
IS2
IS2
IS1
IS1
VBS
VBS
AE12
AE12
VIDOUT
VIDOUT
FSC
FSC
VSB
VSB
H/2
H/2
ES2
ES2
SCRTV
SCRTV
green
green
pin10
pin10
blue
blue
red
red
blanking
blanking
SCL
SCL
SDA
SDA
INT
INT
DATD1
DATD1
(direct soldered)
to MVIO MVIO3
(onl
y f
or MVIO)
or to MSIO 0102
to MVIO MVIO2
or to MSIO 0101
A.N. 9323
IN/OUT 9322
5V
1,2V
0,2V
0V
0V
0V
0V
0V
1,7V
0V
0,3V
SCAR
T
1
to Operating panel 1931
delete for PAL-BG
Pos.1501
for PAL-BG only
delete for BOOSTER
*
TO TUNER
RF OUT
RF IN
from DE
from DE
from VS
from AL
from VS
from VS
to DE
to DE
to DE
to DE
from DE
from DE
to VS
to AL
from FV
from DE
from DE
from DE
to DE
from DE
IS2
from FV
MODON
MODON
only for Frontplugs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
6
to MVIO MVIO1
3,8V
3,1V
4,2V
4,9V
5,0V
12V
0V
11,3V
12V
7592 C 9
7506 H10
7501 E 4
7500 H10
6540 F 2
6531 E 2
6530 D 3
6522 B 4
6520 B 3
6508 B12
6504 D 2
5501 J10
3902 G 9
3859 I 9
3597 G13
3596 C10
3540 F 3
3536 F 7
3535 D 5
3534 F 8
3533 E 7
3532 D 4
3531 D 3
3530 D 3
3520 B 3
3519 B13
3517 B13
3516 I10
3506 H15
3505 F 4
3504 E 4
3503 D 4
3502 H 8
3501 H10
3500 G10
2540 F 2
2531 D 3
2530 E 3
2507 B11
2506 B12
2505 J11
1925 I 8
1917 A 1
1591 A15
1501 H 8
1500 I12
4
5
1
6
7
8
9
10
11
12
13
14
15
16
2
3
H
G
F
K
E
D
C
B
A
J
I
H
G
F
K
E
D
C
B
A
J
I
4
5
1
6
7
8
9
10
11
12
13
14
15
16
2
3
1k
3500
4k7
3516
3502
1k
0E
3902
1k
3501
10k
3859
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
GNDD
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
2507
100u
3536
100k
3535
47k
3597
100k
3533
3k3
3540
470E
3504
330E
3517
1k
3519
1k5
3530
6k8
3531
6k8
3503
470E
3520
82E
3532
220k
3505
2k2
3596
10k
3506
1k
3534
3k3
BC848B
7506
1591
1
2
3
4
5
6
7
9
10
11
12
13
14
15
8
se
+12A
-7V
+12A
+12A
5VAS
-7V
-28V
-7V
5VAS
-7V
-7V
-7V
+12A
-7V
+5D
5VAS
+12A
-7V
1925
1
2
3
4
5
2530
470p
2506
100n
2531
470p
2540
470p
8SC1
MODON
VSB
SCL
DATD1
CLKD1
POR
FSC
INT
H/2
AMLP
SDA
IS1
ES2
SCRTV
AFV
8SC2
VBS
AMLR
IS2
VFV
HEF4052BT
7592
10
11
12
13
14
15
1
2
3
4
5
6
9
16
7
8
4052
MSB
LSB
L
H
L
H
HH
HL
LH
LL
HH
HL
LH
LL
VEE
VDD
VSS
LOGIC
6522
BZX79-C12
6508
BZX79-C6V8
6504
BZX79-C18
6530
BZX79-C12
6531
BZX79-C12
6540
BZX79-C12
6520
BZX79-C12
6u8
5501
2505
10p
02/360-BLACK
1917
15
11
16
10
7
19
13
14
9
5
4
18
21
17
6
2
3
1
8
20
scart
AudInL
AudInR
AudOutL
VideoIn
AudOutR
blanking
Swtching
VideoOut
blue
red/c
green
7500
BC858B
BC858B
7501
1500
MDLK6 D463A
2
4
6
5
3
1
combunit
GACO
VMCO
PACO
AMCO
RCOF
PCFO
RF-EQ
1501
10
12
1
6
7
9
bpf14
