Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
4 - 8
GRUNDIG Service-Technik
4 - 8
GRUNDIG Service-Technik
Chassisplatte – Ablaufsteuerung/Deck-Elektronik (DE)
Family Board – Sequence Control/Deck Electronic (DE)
45
2.5V
2.5V
2.5V
2.1V
0.1V
2.5V
5.3V
5.3V
2.6V
0.1V
0.11V
2.5V
2.5V
3.2V
2.8V
3.6V
2.2V
5.3V
14.5V
14.65V
14V
13.9V
13.9V
14V
0.5V
13.5V
0.6V
5.3V
5.1V
0.8V
0.5V
0.8V
5.3V
0V
0V
11.6V
5.2V
1.6V
2.9V
5.2V
0.3V
2.6V
2.8V
2.7V
1V
5.3V
5.3V
5.1V
5V
0.1V
2.6V
5.2V
5.3V
3.2V
5.2V
2.6V
2.8V
5.2V
5.3V
0.1V
5V
0.1V
5.3V
...V
...V
MEASURED IN PLAYBACK MODE
MEASURED IN RECORD MODE
2.8V
5.3V
14.6V
14.6V
8.8V
14.6V
5.3V
5.3V
5.3V
2.3V
3V
4.6V
5V
0.1V
0.1V
5.3V
OSCILLOGRAMS
.. O
42
43 44
41
47
46
48
49
51
50
PAL I
W/R
W/R
FGD
FGD
FGD
FGD
FTAD
FTAD
FTAD
SYNC
SYNC
FG
FG
WTL
WTL
FTA
FTA
WTR
WTR
LED
LED
STROBE
STROBE
V/H-SYNC
SDA
SDA
SDA
SCL
SCL
SCL
CLKD1
CLKD1
PWM
PWM
AFC
AFC
POR
POR
POR
HEHI
HEHI
WTLD
WTLD
WTRD
WTRD
DA
TD1
DATD1
CREV
CREV
CREV
HELO
HELO
TMO1
TMO2
WIND
WIND
WIND
DO
CTL2
CTL1
I8SC1
I8SC1
IPALAL
AGC
AGC
CSYNC
CSYNC
I8SC112
I8SC112
HP1
IPBV
MODON
TRIV
ILED
ILED
CROT1
CROT1
PG/FG
PG/FG
REEL
REEL
THIO
THIO
TMO
TMO
I/R
I/R
TAE
TAE
TAS
TAS
CAP
CAP
4HEAD
only for
4HEAD
only for
LONGPLAY
delete for
LONGPLA
Y
only for
F2
Threading motor
F4
F3
F6
F1
DECK INTERFACE
FRAME INTEGRATOR
EEPROM
SWITCH
SUPPLY
CAPSTAN
PWM
AFC
to VS/IO
to VS/IO
SCL
to DC 1 Operating Panel
to SM 1 Power supply
to Dec
k L2 Sensor Print
to Dec
k L4
to AL
to AL
from VS/IO
to VS/IO
to VS/IO
to AL
to AL
to VS/IO
to AL/VS
POR
SVHS
TMO1
TMO2
FG
FTA
TAS
WTL
TAE
GNDM1
LED
RECP
INIT
CAP
CREV
GNDD
+5D
WTR
+14/9
GNDM2
+14M2
+5D
GNDD
GNDA
GNDD
HELO
+5V2D
+5A
HEHI
-28V1
+5A
GNDM2
GNDM1
+33V
+8M2
+14M1
GNDA
+14A
CLKD1
SDA
STROBE
-28V
HELO1
NC
+5D
HEHI
NC
DA
TD1
GNDD
PG/FG
REEL
to Head amplifier L1
to VS/IO
to VS/IO
to VS/IO
to VS/IO
to VS/IO
to VS/IO
to FV
to VS/IO
to AL
to VS/IO
NC
to VS/IO
Deckelectronic 9314
A.N. 9318
In case of replacement make adjustments
for gap position and tuning limits.
(see Family Board adjustments)
4 HEAD
delete for
7404 H11
7403 H 5
7402 E 6
7402 D 6
7401 B 9
7401 D10
6402 L 3
6401 F17
5402 C 6
5401 B15
3472 E17
3471 G17
3470 M23
3469 L23
3468 M22
3467 M22
3466 M22
3465 D17
3464 G13
3463 F13
3462 M19
3461 L19
3459 K13
3458 K12
3457 K11
3456 K11
3455 I 7
3454 I 6
3453 I 6
3452 J 6
3451 J 5
3450 L 6
3449 L 5
3448 L 3
3447 K 3
3446 K 3
3445 J 3
3444 I 3
3443 I 3
3442 G 3
3441 F 3
3440 E 5
3439 D 7
3438 E 7
3437 E 7
3436 F 7
3435 F 6
3434 G 7
3433 G 7
3432 I18
3431 J13
3430 J17
3429 J17
3428 J17
3427 C17
3426 G19
3425 F19
3424 F18
3423 F17
3422 G18
3421 H18
3420 H19
3419 G19
3418 G21
3417 H17
3416 H17
3415 C17
3414 G17
3413 F18
3412 H11
3411 G11
3410 G11
3408 M21
3407 O 6
3406 O 6
3405 D10
3404 C10
3403 B11
3402 B11
3401 B10
3400 B 9
2423 B16
2422 I 6
2421 L 7
2420 L 3
2419 L 3
2418 I11
2417 L 7
2416 L11
2415 L 5
2414 J 7
2413 J 6
2412 J 5
2411 I 5
2410 H 7
2409 F 6
2408 E 5
2407 D 6
2406 L14
2405 L15
2404 H12
2403 B14
2402 B16
2401 B10
2400 B11
145 D 2
144 H 1
143 L 1
142 P 4
141 P 8
1402 N11
1401 L15
1400 O 9
7412 L18
7411 L 8
7410 F15
7408 L22
7407 M22
7406 N21
4
5
6
1
7
8
9
10
11
12
13
14
15
16
17
2
18
19
20
21
22
23
3
M
L
K
P
J
I
H
G
F
E
D
C
B
A
O
N
M
L
K
P
J
I
H
G
F
E
D
C
B
A
O
N
4
5
6
1
7
8
9
10
11
12
13
14
15
16
17
2
18
19
20
21
22
23
3
1400
T
800mA
1402
T
80mA
-28V
+5D
+5D
-28V1
+5D
+5D
+5D
+5D
+5D
+5D
+5D
+5D
+5D
+5D
+5D
+5D
+5D
+5D
+14M1
+5D
+5D
+5D
+5D
-28V
+5D
+5D
10k
3408
3407
1E5
3406
1E5
100E
3462
100E
3461
4k7
3414
4k7
3429
1k
3427
4k7
3428
4k7
3458
1k8
3422
10k
3424
6k8
3426
10k
3447
22k
3448
10k
3441
3450
2M2
68E
341
1
68E
3410
4k7
3457
3451
10k
10k
3403
3452
39k
3436
22k
3435
39k
3434
10k
3453
4k7
3455
220E
3454
470E
3433
10k
3437
10k
4k7
3423
4k7
3412
1k
3443
10k
3444
22k
3445
1k
3446
1k
3442
4k7
3456
3449
100k
470E
3430
3438
3k9
3439
22k
1k
3415
100E
3421
3419
33k
3418
470E
3420
100k
3416
10k
3425
4k7
3413
4k7
3417
1k
3431
10k
3402
56k
3401
10k
3405
1M
3404
4k7
3400
3440
1E5
1k
3432
10k
3459
100E
3463
100E
3464
4k7
3465
4k7
3467
1k
3469
470E
3468
470E
3470
2k2
3466
470E
3471
1k
3472
145
1
2
3
HP1
IPBV
IREC
MTA
CROT
LP
CTL1
CTL2
FFP
MODON
ESPBH
TRIV
CSYNC
I8SC112
ENVC
HSC
SDA
SCL
-28V1
5VA
+33V
+14A
AGC
PWM
AFC
STROBE
IPALAL
DO
GNDD
GNDD
GNDFV
GNDM2
GNDM2
GNDD
GNDM1
GNDD
GNDD
GNDD
GNDD
GNDM1
GNDM1
GNDD
GNDM1
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDM2
GNDD
GNDD
GNDD
GNDD
GNDM1
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
100n
2423
2421
100n
100n
2403
2419
4n7
22p
2405
22p
2406
2409
22n
2416
100n
2415
100n
2414
33n
241
1
4n7
2413
1n
2407
100n
2404
1n
2418
10n
10n
2400
10n
2401
2408
100n
2422
100p
+8M2
+14M1
+33V
5VA
+14A
+14M1
+14M1
+14A
+33V
5VA
+8M2
+14M1
+8M2
+14M1
143
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
7406
DTC124EK
BC848B
7404
BC848B
7407
7408
BD436
144
1
2
3
4
5
6
6401
1N4148
6402
1N4148
7412
NM 24C02N
1
2
3
4
5
6
7
8
141
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
142
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
2417
47u
2410
47u
2412
100u
47u
2402
2420
47u
7401
6
5
7
LM393
330nH
5402
22u
5401
1401
12MHz
7410
53
54
55
56
57
58
29
52
51
28
39
38
37
35
34
48
47
46
45
44
43
42
41
9
7
6
5
4
18
19
20
21
22
23
24
26
12
13
14
16
17
60
61
62
63
64
1
2
3
40
27
30
31
32
33
15
49
50
8
36
59
25
11
10
(INTEL-VIDEO-CONTROLLER)
XTAL1
VCC1
EA
XTAL2
ALE
ACH3
ACH4
ACH5
PWM0
PWM1
PWM2
INTE
INTC
INTA
ACH0
PSEN
ACH1
ACH2
P1-3
P1-4
P1-5
P1-6
P3-1
P2-6
P2-4
P2-3
P3-4
RST
SCK
P4-4
P2-7
P1-2
P2-5
VSS2
AVCC
VSS1
VCC2
P5-0/SIN
AVSS
P2-0
P2-1
P2-2
P4-6
P4-7
INTB
INTD
PWM3
P4-5
P3-0
P3-2
P3-5
P0-4
P4-3
P0-0
P4-1
P4-2
P4-0
SOUT
P0-7
P0-6
P0-5
P0-3
P0-2
P0-1
I V C
LM393
7401
2
3
1
L2722
7402
5
6
3
L2722
8
7
1
4
2
7402
7411
18
5
15
6
14
7
13
8
11
16
1
2
12
4
17
9
3
10
AMPLIFIER
WRITE
- DETECTOR
- FILTER
- AMPLIFIER
Vref
COMP2_IN
COMP3_IN
COMP4_IN
VCC
PO/FC
VREF
CTL_IN/OUT
CTL_FB
COMP1_IN
DETECTOR
POWER-FAIL
POWER-ON AND
Vref
COMP3_OUT
COMP4_OUT
COMP1_OUT
COMP2_OUT
CTL_DATA
PO/F_OUT
CAP_REV
GND
W/R
-
+
-
+
+
-
+
-
+
-
-
+
SAA1310
7403
BC848B
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