Grundig M 28-C Servicehandbuch Seite 46

Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Schaltplan Front M 48-DC / Circuit Diagram Front M 48-DC
1 2 3 4 5
+F
A
7403
1 8
E0 Vcc
2 7 4419
D
E1 Mode
3533
3 6 I2C_CLK
B
1k
E2 SCL
3534
I2C_DATA
4 5
1k
Vss SDA
D 4420
ST24C01B6
+F
To 1510 AF
page 4-45
C page 4-49
D
1401
1
N.C.
NTC
NTC 2
HDPH
3
HDPH
D ______ FADER
FADER 4
STDBY
5
STDBY
AMP_ON
6
AMP_ON
PW_DN
PW_DN 7
CD_STBY
E
8
CD_STBY
______ MUTE
MUTE 9
TpShStr
I2C_DATA
10
I2C_DATA
ShStr
I2C_CLK
I2C_CLK 11 ShData
F
ShClk
12 D
GND D
CD_STBY
+5V6 13
5401 6401
5406
100u
-30V 2u2
14
-30V 1N4002
9440
3591
15 1E
F2 F2
G
D
F1 16
D
3592
1E
F1
6402
+F
1N4002
D
H D D
I
+F
J
To 1504 DPL
page 4-53 I2C_CLK
21 DATA_DPL
+F
1
I2C_CLK
MUTE
7421
K GND D 2 D
DTC 114EK
DATA_DPL 3 +F
MUTE 4
D
24
2458
GND 1 D
100p
L 3551
D
TU_RDS
1k
RDS 2
3552
TU_CE
1k
ENABLE 3
3553
TU_DATA
1k
DATA 4
3554
TU_CLK
1k
CLOCK 5
M 3555
TU_STEREO
6 1k
STEREO
To 1121 AF
D D D D D
page 4-10
N
1 2 3 4 5
4 - 19
M 18-C ... M 48-DC
6 7 8 9 10 11
1400
11-M37-14GK
PROLOGIC
CD TAPE 1
FRONT
PHANTOM
BACK
2 VCD STEREO
NORMAL
RECORD
3 NR SHUFFLE
TIMER SET
SWLW FMMW REC
HSD
DUBBING
+F BAND
SHUFFLE
TIMER
PRESET
7406 7407
BC847C BC847C
G10' G11' 37 36 35 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
F2
-30V -30V
D
40
I/O PORT 7 I/O PORT 8
39
Open Source w.80k pull down to VKK Open Source w.80k pull down to VKK
3520
6416
38
1k
6415 1N4148 3518
37
1k
DATA MEMORY PROGR MEMORY
1N4148 6414 3516
36 (RAM) (ROM)
1k
1024X8 BIT 48kX8 BIT
3514
6413 1N4148
35
1k
3512
1N4148 6412
34
1k
1N4148
V C P U C P U C P U C P U
33 DD
3510
TpSolAMotA
32
1k
3509
MUTE
31
1k
3508
16 BIT INTERRUPT
D TpRec 30
1k TIMER/COUNTER CONTROLLER
3507
TpSolBMotB
29
1k
3506
VOL_B
28
1k
CLOCK/TIMING CONTROLLER
3505
TU_STEREO
27
1k (I/O PORT 2)
3525
TU_CE 26
1k
Open Drain
3503
TU_CLK
25
1k
I/O PORT 3
+F
7401
TMP87CN71AF
D D
3538
IR EYE
10k
D
5410
GP1U28XP
8MHz 5402
3537
2 1
D
1k
32kHz
MT 3 7428
D D D D D D D
+F
7404 SAA6579T
3543
2443
1 16
qual clk 2k2
47p
2 15
D
dat T57
3544 2444
3 out 14
Vref 220k
47p
4 in 13
D INC.
mux
SOUND
5407
5 12
Vdd
2u2
Vda
6 11
D Vsa Vsd
7 10
Cin test
2442
8 9
Scout mode
560p
D
RDS DECODER
6 7 8 9 10 11
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
12 13 14 15 16
3STEREO
PLAY
PROG MODE
RDS DSC Backlight +F
PROGRAM
DBB
SET CLOCK
AM PM TIMER
SIDE
RDS
MODE
CLEAR
TUNING
15 14 13 12 11 10 9 8 7 6 3 2 1 7414
BC847C
F1
D
+F -30V
1412
ROCK
65 CLASSIC
6458 3458
I/O PORT 9 1411
P01
2419 330E
66
1N4148 1414
D
V
KK 3438 100n
JAZZ
67 KEY0
10k
3439 6457 3457
1413
68 KEY1 P02
10k 330E
PROGRAM 1N4148
69 4421 1415 1416
COUNTER D
3460 DEMO
FADER
70
10k 6456 3456
P03 DOLBY
330E
71
1N4148 1417 1418
D
R1
72
3465 6455 3455
P04
73 TpEOTA
100R 330E
3466
1N4148 1419 1420
74 TpEOTB
100R
L1
3467
8 BIT
75
TpADC3
TIMER/COUNTER 100R 6454 3454
P07
3468
330E
76 TpADC1
100R 1N4148 1421 1422
CD
3469
77 TpADC2
6 BIT A/D- 100R
CONVERTER 3470 6453 3453 TUNER
P08
78 NTC
10k 330E
3473
1N4148 STDBY 1424
79
DATA_DPL
1k
Tri-State
3475
80 CD_TRAYSW
3450
10k 6450 TIMER
I/O PORT 1 1423
P09
330E
+F 1N4148
1430
C3
7420
BC847C
6449 3449
1429 C4
P10
330E
1N4148 1433
OPTIMAL
3448
6448
P11
330E
INC SOUND
1N4148 DBB
D D
1432
6447 3447 1431
P12
330E
1N4148
C1 C2
1427
6446 3446
P13
330E
1N4148
1425 1426
TAPE
AUX
2446
6445 3445
+F
P14
D T097
330E
100p
T096
1N4148
7416
7417
BC847C
74HCT4094
1 16
+F
2 15 D
OE
1458
3 14 D D
EVQWEZF20
4 13
MT
VOL_B
B
TpHs
5 12
VOL_A
AMP_ON COM
6 11
A
7 10
8 9
D ROTARY ENCODER
D
D
12 13 14 15 16
4 - 20
17 18 19 20 21
CDC KEY
A
1443 1444 1405
T038
1
KEY1
T037
DISC3 DISC1
2 KEY0
T036
3 P05'
1442 1441 T035
4
P06'
T034
B
+F
DISC2 Open/Close 5
+F
T033
6 CDCLED
CDC Backlight
C
D
1456
E
1 KEY1
2
D KEY0
3
P05'
POP
2460 4 P06'
D
+F
470p 5
+F +F F
3471
7415
3k3 6
BC847C CDCLED
1455
D
R2 D D 1 GND
+F
2 +5
TpADC1
3 AD1 G
L2
TpEOTB
4
EOTB
TpSolBMotB
To 1707 Cass
5 SOLB/MOTB
page 4-25
TpADC2
6 AD2
TpEOTA
7 EOTA
TpSolAMotA
8
SOLA/MOTA H
TpADC3
9 AD3
TpHs
10 NS/HS
22
3593
TpShStr
1
10k ENABLE
3594
ShData 2
10k DATA I
3595
ShClk
3
10k CLK
4
GND To 1706 Cass
D
TpRec
page 4-28
5
Rec/ALC
TpRecCr 6
Cr/Fe
TpDolby
7 J
Dolby
1428 23
1
NC
CD_OE_LATCH 9559
2
OE_LATCH
CD_SICL
3 K
SICL
9538
2438
4
D
GND
100n
CD_SILD 5
SILD
To 1874 CDC
page 4-32
D
L
CD_DATA 6 DATA
page 4-38
CD_PORE PORE
7
D
SHR_CL
CD_SH_CLK
8
CD_STR_OUTP 9 STR_OUTP
M
9400
10 SW_INFO
CD_TRAYSW
N
17 18 19 20 21
M 18-C ... M 48-DC
Bauteile X Y 3467 G 14
Components 3468 G 13
3469 G 14
3470 H 13
21 K 2
3471 F 17
22 I 18
3472 F 17
23 J 18
3473 H 14
24 L 2
3474 J 4
1400 A 9
3475 H 13
1401 C 2
3477 I 13
1405 A 20
3478 I 13
1411 E 16
3479 I 13
1412 E 16
3480 I 12
1413 F 16
3481 I 12
1414 E 16
3482 I 12
1415 F 16
3483 I 12
1416 F 16
3484 I 12
1417 F 16
3485 I 11
1418 F 16
3486 I 11
1419 G 16
3490 I 10
1420 G 16
3491 I 14
1421 G 16
3493 I 10
1422 G 16
3494 I 9
1423 H 16
3495 I 9
1424 H 16
3496 I 9
1425 K 16
3497 I 9
1426 K 16
3498 I 9
1427 J 16
3499 I 8
1428 J 16
3500 I 8
1429 I 16
3501 I 8
1430 H 16
3503 H 7
1431 J 16
3505 H 7
1432 J 16
3506 G 7
1433 I 16
3507 G 7
1441 B 18
3508 G 7
1442 B 17
3509 G 7
1443 A 17
3510 G 7
1444 A 18
3512 F 7
1455 F 19
3513 E 5
1456 E 19
3514 F 7
1458 L 16
3515 E 5
1460 F 20
3516 F 7
1461 G 20
3517 E 6
2401 G 5
3518 F 7
2402 G 6
3519 E 6
2403 H 5
3520 E 7
2404 H 5
3521 E 6
2406 J 11
3525 H 7
2407 J 11
3527 C 3
2408 J 10
3528 L 15
2409 I 10
3529 L 15
2410 N 18
3530 A 2
2412 B 6
3531 B 4
2413 B 7
3532 B 3
2414 I 14
3533 B 3
2415 I 11
3534 B 3
2416 M 15
3536 I 6
2417 M 15
3537 I 7
2418 I 14
3538 I 7
2419 E 14
3540 K 7
2420 I 7
3541 K 8
2421 A 2
3542 K 8
2422 M 13
3543 K 9
2423 I 6
3544 L 9
2424 K 13
3545 K 7
2425 G 3
3546 I 3
2426 H 3
3547 I 3
2438 K 17
3548 J 4
2439 G 20
3551 L 3
2440 F 20
3552 L 3
2441 L 7
3553 M 3
2442 M 7
3554 M 3
2443 K 10
3555 M 3
2444 L 10
3556 L 4
2445 L 9
3557 L 5
2446 K 12
3558 L 5
2451 M 4
3559 K 3
2452 M 4
3571 C 18
2453 M 5
3572 C 19
2454 M 5
3573 C 19
2455 M 5
3574 N 17
2458 L 2
3580 C 14
2459 K 18
3581 A 14
2460 F 17
3582 A 14
2461 E 18
3583 A 14
2462 K 11
3584 A 15
2463 K 11
3591 G 2
2464 L 3
3592 G 2
3403 C 6
3593 I 17
3404 C 7
3594 I 17
3405 D 7
3595 I 17
3406 D 8
4419 B 3
3407 D 8
4420 B 3
3408 D 8
4421 F 14
3409 D 8
5401 F 3
3410 D 9
5402 I 11
3411 D 9
5403 L 9
3412 D 9
5406 F 5
3413 D 9
5407 L 10
3414 D 9
5410 I 10
3415 D 10
6401 F 4
3416 D 10
6402 H 4
3417 D 10
6412 F 7
3418 D 10
6413 F 6
3419 D 10
6414 F 7
3420 D 11
6415 F 6
3421 D 11
6416 E 7
3422 D 11
6417 B 14
3423 D 11
6418 B 14
3424 D 11
6419 B 14
3425 D 12
6420 B 15
3426 D 12
6421 D 18
3427 D 12
6422 D 19
3428 D 12
6423 D 19
3429 D 12
6425 L 10
3430 D 13
6445 K 15
3431 D 13
6446 J 15
3432 K 11
6447 J 15
3433 K 11
6448 I 15
3434 K 12
6449 I 15
3435 C 3
6450 H 15
3438 E 13
6451 E 17
3439 F 14
6452 E 17
3440 K 16
6453 H 15
3441 K 16
6454 G 15
3443 K 13
6455 G 15
3444 K 10
6456 F 15
3445 K 15
6457 F 15
3446 J 15
6458 E 15
3447 J 15
7401 H 8
3448 I 15
7403 A 2
3449 I 15
7404 K 8
3450 H 15
7406 B 7
3451 E 17
7407 B 8
3452 E 17
7414 B 14
3453 H 15
7415 F 18
3454 G 15
7416 K 12
3455 G 15
7417 K 14
3456 F 15
7420 I 14
3457 F 15
7421 K 4
3458 E 15
7428 J 7
3459 E 13
9400 M 18
3460 F 14
9440 G 3
3461 L 13
9538 K 17
3462 L 14
9559 K 18
3463 K 14
3465 G 14
3466 G 13
GRUNDIG Service