Werbung
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Signal-Chassis – Laufwerksteuerung / Deck-Elektronik (DE)
Signal Chassis – Deck Control / Deck Electronic (DE)
1
2
3
4
5
A
B
1903
TMO1
1
TMO1
C
2
NC
TMO2
3
TMO2
D
E
F
5STBY
5STBY
22
5STBY
G
3,2V
1904
IWIND
3456
REEL
REEL
10k
6
+5D
5
GNDM
not used
4
4078
23
LED
GNDD
H
0E
3
GNDDE
GNDM
+14M2
2
3457
PG/FG
7403
PG/FG
1k
BC847B
1
IWIND
3.2V
I
2.5V
CTL1
CTL1
to/from AL
CTL2
CTL2
to/from AL
J
2472
10n
3484
FTA
1905
GNDDE
10k
3470
TAS
TAS
1k
15
3471
WTR
INIT
10k
2458
14
LED
K
10n
LED
WTL
GNDDE
13
WTR
WTR
12
FTA
2415
3479
FG
FTA
4k7
11
3472
100n
I/R
RECP
22k
10
WTL
L
WTL
5STBY
2457
for turbo only
5STBY
9
5STBY
10n
8
GNDDE
3473
TAE
TAE
1k
7
2473
5STBY
WTLD
6401
GNDD
10n
GNDDE
6
for turbo only
5402
not used
M
+14/9
330n
5
3477
CREV
1k2
CREV
4
3476
CAP
CAP
22k
3
FG
FG
2
N
GNDM
20
1
19
GNDM
GNDM
GNDDE
21
O
...V
MEASURED IN PLAYBACK MODE
...V
MEASURED IN RECORD MODE
1
2
3
4
5
4 - 63
TVR 37..., TVR 51..., TVR 55...
6
7
8
9
10
from TV
from TV
from TV
+14M2
+14/9M1
+14M1
14.65V
5STBY
14.5V
2430
47u
25V
GNDM
13.6V
7402
14V
2
7
5.3V
13V
1
8
2.2V
4
5STBY
L2722
GNDM
7402
GNDM
6
3.6V
L2722
3
5
2.8V
14V
13V
3454
82k
GNDDE
2432
10n
8,6V
14.7V
7491
BD438
3493
1k
14.7V
GNDM
14.7V
0V
7492
BC847B
7493
DTC124EK
GNDDE
BC847B
GNDDE
7490
13.5V
0.6V
2450
DECK INTERFACE
2.5V
47u
16V
5,2V
2.5V
1
18
CTL_FB
CAP_REV
- AMPLIFIER
- FILTER
- DETECTOR
0.1V
3481
0.11V
2.5V
2
CTL_IN/OUT
PO/F_OUT
17
WRITE
220E
AMPLIFIER
+
Vref
2.5V
-
3
16
VREF
CTL_DATA
POWER-ON AND
+
POWER-FAIL
-
DETECTOR
2454
4,9V
2.1V
4
15
PO/FC
Vref
COMP1_OUT
33n
GNDDE
GNDDE
5V/3,2V
-
5
COMP1_IN
COMP2_OUT
14
+
-
6
13
COMP2_IN
COMP3_OUT
+
+
7
12
COMP3_IN
GND
-
GNDDE
2.5V
+
2.6V
8
COMP4_IN
COMP4_OUT
11
-
5STBY
7411
5.3V
5.3V
9
10
VCC
W/R
SAA1310
GNDDE
GNDDE
3487
2M2
3488
100k
3489
100k
6
7
8
9
10
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
11
12
13
14
15
from TV
from TV
5STBY
5DS
5STBY
5,3V
5,3V
GNDDE
5,2V
21
64
62
TEST
VCC1
VREF
IREC
3442
0V
9
1k2
P30
3445
TMO
10k
3406
LPA
0V
10
1k
P31
for LP only
THIO
16
P37
PWM8
TPG0-10/TPG1-10
SYNC
17
P64
CAP0
WTLD
15
P36
INT1
GNDDE
PG/FG
2,9V
18
P65
CAP1
5STBY
FGD
2,6V
19
P66
CAP2
5,2V
3439
CKPAL
2V
52
5,2V
10k
P61
AN11
7405
DTA124EK
IWIND
3440
5V
51
0,1V
IPOR
1k
P62
AN12
3467
HP
0,3V
54
P57
AN07
not used
TAS
5,2V
55
7410
P56
AN06
GNDDE
GNDDE
POR
3438
I/R
1,6V
T V C
56
10k
P55
AN05
TAE
5,2V
57
TMP91Cx42AN
P54
AN04
2V
58
P53
AN03
3435
TRIV
59
1k
P52
AN02
2,4V
5DS
5STBY
60
P51
AN01
3436
2,8V
AFC2
61
10k
P50
AN00
for TU2 only
CLKD1
1
P40
SCLK0
3464
3460
LEDD
220E
1k
3433
CREV
0V
44
0.5V
1k
P13
TPG0-11/TPG1-11
CSYNC1
12
P33
C-SYNC
ENVC
GNDDE
13
P34
EXT
VISS
DATD1
3
P42
RXD0
POR
DAT
2
P41
TXD0
SYNC
REEL
3,1V
30
PW0
CAP
2,6V
31
PW1
IPOR
5,3V
46
RESET
WTRD
SYNC
20
P67
CAP3
WTLD
FTAD
0V/4,9V
7
P46
INT2
5STBY
5STBY
WTRD
14
P35
INT0
8
P47
TI1
FGD
XTAL2
XTAL1
CLK
VSS1
48
47
45
32
3490
W/R
2,3V
2,1V
4k7
1400
10MHz
GNDDE
GNDDE
GNDDE
5DS
5DS
5V
7406
7408
DTA124EK
BC847B
4,4V
0,4V
3431
0,7V
0,3V
4k7
7407
BC847B
GNDDE
GNDDE
GNDDE
Compositesync-Integration
GNDDE
11
12
13
14
15
4 - 64
Reference
AL ..............P 4-62
CO .............P 4-43
16
17
18
19
20
GNDDE
5,1V
TMO
53
AN10
P60
5V
FMSW
50
AN13
P63
3408
5,2V
VISS
43
P12
1k
5STBY 5STBY
5STBY
5STBY
5STBY
5STBY
5STBY
LPA
3402
DO
1k
3403
5,2V
IPAL
42
TPG0-9/TPG1-9
P11
4k7
5,2V
3404
IPBV
41
TPG0-8/TPG1-8
P10
1k
3441
0V
MTA
40
TPG1-0
P20
4k7
3405
5,2V
ITRICK
39
TPG1-1
P21
1k
3410
0V
VS1
38
TPG1-2
P22
100k
for View Select only
0V
3412
VS2
37
TPG1-3
P23
100k
3414
5,2V
OS2
36
TPG1-4
P24
100k
for SCART Output Select only
3416
5,2V
OS1
35
TPG1-5
P25
100k
3418
0V
RS1
34
TPG1-6
P26
100k
3420
0V
RS2
33
TPG1-7
P27
100k
5STBY
5STBY
ENVC
CSYNC
not used
5,2V
W/R
29
TRIV
TPG0-7
P07
3434
HSC2
28
TPG0-6
P06
3422
HP1
27
TPG0-5
P05
12k
HP
CKPAL
26
TPG0-4
P04
3423
CROT
25
TPG0-3
P03
33k
3424
HSC
24
TPG0-2
P02
8k2
3425
0V
FFP
23
TPG0-1
P01
6k8
SYNC
22
TPG0-0
P00
0,5V
LEDD
11
P32
5,1V
3426
I/E
6
RXD1
P45
10k
3427
0V
LPV
5
TXD1
P44
1k
5,2V
3428
INTSC
4
SCLK1
P43
1k
for NTSCPB only
AFC2
VSS2
AGND
49
63
IREC
DATD1
DAT
IPOR
GNDDE
GNDDE
CLKD1
3430
0E
GNDDE
16
17
18
19
20
TVR 37..., TVR 51..., TVR 55...
DE..............P 4-63
KSMD ........P 4-31
Tube PCB ...P 4-27
IO...............P 4-55
KSPD.........P 4-37
TV ..............P 4-49
GSPD ........P 4-16
TU2............P 4-52
VS..............P 4-59
21
22
23
1400 L14
7410 F15
1903 C 2
7411 L 8
1904 G 1
7490 H10
1905 J 1
7491 F 6
2400 B14
7492 G 7
A
2401 B16
7493 G 6
2403 N22
2404 M15
2405 M14
2415 L 5
2427 O15
2428 O15
2429 G 3
2430 B 6
2431 C 5
B
2432 E 6
2433 E11
2450 H 7
2451 I 5
2452 J 5
2453 J 6
2454 J 7
2455 L 7
2456 L10
C
FMSW
2457 L 3
to VS
2458 K 5
2470 N 3
2471 N 3
LPA
2472 J 2
to AL
2473 M 2
2490 H11
DO
2491 F 8
to VS
D
3400 B13
IPAL
3401 B14
to AL
3402 D19
3403 D19
IPBV
to VS
3404 D19
3405 E19
MTA
3406 C13
to AL,TU2
3407 D18
E
3408 C19
ITRICK
to VS
3409 D18
3410 E19
VS1
3411 D18
to IO
3412 F18
3413 D17
VS2
3414 F18
to IO
3415 D17
OS2
3416 F18
F
to IO
3417 D17
3418 G17
OS1
3419 D17
to IO
3420 G17
RS1
3421 H17
to IO
3422 H18
3423 I18
3424 I18
RS2
to IO
G
3425 J18
3426 J18
ENVC
3427 K18
from VS
3428 K18
3429 M21
CSYNC
3430 O16
from VS
3431 O15
TRIV
3432 O13
from VS
3433 H13
H
HSC2
3434 H18
to VS
3435 G13
HP1
3436 G13
to VS
3437 O13
3438 F13
CKPAL
3439 E13
from/to VS
3440 E13
3441 E19
CROT
I
to VS
3442 C13
3443 E11
HSC
3444 D11
to VS
3445 C10
3446 B 8
FFP
3447 D 8
to VS
3448 D 7
3449 D 7
3450 B 7
J
3451 C 7
3452 A 6
3453 D 5
I/E
3454 D 6
to TV
3455 G 3
3456 G 3
LPV
3457 H 3
to VS
3458 N14
K
3459 G12
3460 H11
3461 G11
3462 G10
INTSC
to VS,TV
3463 F10
3464 H11
AFC2
3465 H17
from TU2
3467 E13
L
3470 K 3
IREC
3471 K 3
to AL,VS
3472 L 3
3473 M 3
DATD1
from CO
3475 M 3
3429
3476 N 3
DATD2
3477 M 3
100E
to CO
3479 L 5
3480 I 6
M
IPOR
3481 I 7
to CO
3482 I 6
3483 J 6
CLKD1
3484 J 5
from CO
3485 M 4
3486 M 5
3487 M 8
3488 M 8
N
3489 M 8
GNDDE
3490 L10
3491 K11
3492 K11
3493 F 7
3494 F 7
3495 F 6
3496 F 6
4078 H 2
O
5401 A15
5402 M 2
6401 M 3
7402 C 6
7402 D 6
7403 H 5
7405 E11
7406 N13
7407 O14
7408 O15
21
22
23
GRUNDIG Service
Werbung
