Grundig M 7-C Service Anleitung Seite 44

Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Schaltplan NF-Teil / Circuit Diagram AF
1 2 3 4 5
A
51
3601
1
82k
2
a
3
B
a
2587
to 1124 Tuner
16
0.47u
52
page 3 - 10
T005
2549
1
TUNER_L T006 0.47u
2 a
T007 2550
C
3
TUNER_R T008
0.47u
4 +12A
CD_L TAPE_L
TO CDC
53
T070
1
+12M
D SOURCE-SELECTOR
T009
2
M
T010
to 1873 CDC Interface
3
+CD
T011
page 3 - 28 CD_R TAPE_R
4
CD_R
T012
5
a
T013
6
CD_L
E
2588
17
0.47u
2602
F
0.47u
G
to 1703 Tape Deck
55
page 3 - 20 T022
1 -30V
+12M a
T023
2
M
*
56
T024
-CMOS
H
1
-8.2V
T025
2
TAPE_L
T026
3
TAPE_R
to 1701 Tape Deck
T027
page 3 - 22 4
+12 D D
T028
5
a
T029
I REC_L
6
T030
7 REC_R AUX SOCKET
# #
L
a a
1510
J
R
1
2
NTC
T033
3
CLIPPING
T034
4
T035
5
STANDBY
K T036
to 1401 Front
6
AMP_ON
T037
page 3 - 13
7
PWR_DWN
T038
8
*
CD_STBY
T039
4576
9
MUTE
T040
3599
10
I2C_DATA 4R7
L T041
3591
11
I2C_CLK
4R7 F2
T042
12
50V 3597
D
T043
4R7
13
+5.6V
T044 4577
14
-30V
3592
T045 D
15 4R7 F1
T046 3598
50V
16
4R7
M
3600
4R7
Note : 2613 & D
5.6.96
1 2 3 4 5
Spannungen / Voltages
+CD 5V
CD_STBY 0V (CD stop)
2.3V (CD play)
REF 4.2V
HPREF 6V
HP_SENSE 4.5V
+12, +12A, +12M 12V
3 - 35
M 7-C / M 17-C / M 27-C
6 7 8 9 10
a a
a 2517
3573
2501
8k2
0.47u
8n2
a
a
7553
TEA6321
4.2V 4.2V
15 14 13 12 11 10 9 8 7 6 5 4 3 2
Rear
Front
MUTE
VOLUME1
BASS TREBLE VOLUME2
LOUDN.
LEFT LEFT LEFT
LEFT
LOGIC-CONTROL
VOLUME1
BASS TREBLE VOLUME2
LOUDN.
RIGHT RIGHT RIGHT
RIGHT
Front
Rear
18 19 20 21 22 23 24 25 26 27 28 29 30 31
4.2V
3574
a
a
8k2
4.2V
a
7505
T048
BC848C
+12A
2502
2518
a
8n2
0.47u
a a
a a
AUX # #
6510 6511
+12 +12A
TO AF2
1N4002 1N4002
1505
9514 9513
1507 T205 3593 T208
2573
AUX_L
1k
2 1
4574
0.47u
T206 T209 aa 70W/100W a
1
2
a a
3 4506
a a
T207 T210
3594 2574
AUX_R
M D
1k 3
4 0.47u
# 4527
a' a
a a
a
Bauteilwerte / Values of components (X: bestückt / fitted, -: nicht bestückt / not fitted)
3591, 3592
2507 2611 3563 2613 4576 4529 3575 3523
3597, 3598
Gerät / Unit 2508 2612 3564 2614 4577
3599, 3600
-
M 7-C 100n 10p 330k - X
M 17-C / M 27-C 220n 10p 330k - X -
6 7 8 9 10
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
11 12 13 14 15 16
INCREDIBLE SOUND
2535
150p
3577 3537
6V 6V
1k 47k
2617
3531 +12A
47k
2 4 220p
3539 3551
a
1 6V
47k 33k
3533
1
47k 7506
6
6V 3 11 LM324N
a 3553
7 2615
5 1u
6V
7506
3541 2537
22k LM324N
470p
HPREF HPREF +12A
T051 3543
2539 6V
a
22k
330n
T052
2
I C
a
HPREF
a a
2536
150p
3538
6V
47k
2618
3532
7506
9 220p
47k
LM324N
3540 3552
8 6V 6V
Vcc 47k 33k
3534
6V
47k 13
10
6V 3554
2616
32 3578 T050 14
1k
12 1u
3542 2538
T049
22k 7506
470p
LM324N
8.5V HPREF HPREF
2540 3544
6V
22k a
330n
+9V
a
HPREF
a
I2C_CLK I2C_DATA
+5.6V
7508
# Bauteil vorgesehen, aber nicht bestückt
Component not fitted
BC848C
* Bauteilwert siehe Tabelle
+12A
Value of component see table
STBY ON " PLOP KILLER "
FOR HEADPHONE
3589
3571 3601
3501 3503 3505 3559 3631
2585
3524 3502 3504 3506 3560 3632 3572 3602
6501
- 2R2 56k X 10R 5k6 18k 8k2 100R 68k 120k
- 2R2 39k X 12k 22k 12k 15k 100R
68k 120k
11 12 13 14 15 16
3 - 36
17 18 19 20 21
CD STANDBY SWITCH
7515
+CD 3575
BC327-40
*
5V
4529
3548
HEADPHONE AMP. 7516
BC848C 2k2
-30V
2611
D D
*
3557 3563 7514 7512
HPREF MUTE
BC858B BC848C
27k +5.6V
*
6V
6V
5k6
a
2
3595 3586
4
3565 3567 #
1 2543 5k6 1k
7501 47R 68R
2541 3
47u
MUTE
100n 6V
NJM4556AM
D D D
#
a
#
9591
+12A
HPREF T053 3569
2558 2547
HPREF 5502
1k
6V
22n 2u2 22n
7503
aa aa
BC817-40 a
HPREF
a 2529
2557 2548
aa aa
22n
3570 22n 22n
1516
1k
2620
1508
7504
#
2542 5 a
47u
8 BC817-40
1
100n 7
6V T073
7501
3
6
6V
T074
NJM4556AM HP SOCKET
2
3558 3564 3566 3568
2544 (Dia. 3.5mm)
HPREF
27k 47R 68R 7 4
*
6V 47u
2612
5k6 8 5
* 9 6
# #
3632
*
3631
*
# #
a a
57
T054
1
L T055
2
aa
T056
R 3
T057
4
to 1223 Power
AMP_ON
T060
page 3 - 42
5
+12M
T059
6
11.5V
M 17-C / M 27-C:
a T058
7
+12A to 1301 Power
T061
8
12.5V
page 3 - 46
M
T062
9
+5.6V
5.6V
10
D
58
T063
1
NTC
2 59
CLIPPING
T065
3
STANDBY
T066
4
F1
T067
5
F2
T068
6
-30V
T069
7
PWR_DWN
M 27-C M 7-C
M 7-C:
to 1222 Power
page 3 - 42
M 17-C / M 27-C:
to 1303 Power
page 3 - 46
17 18 19 20 21
M 7-C / M 17-C / M 27-C
22
51 A 3 2594 F15 3574 F10
52 B 2 2595 A 7 3575 A19
53 D 2 2596 G 7 3576 I12
54 E 2 2601 B 6 3577 B12
+5.6V 55 G 2 2602 F 5 3578 F12
A 56 H 2 2603 G18 3580 G10
57 H21 2609 D19 3581 G10
58 K21 2610 E19 3582 G11
59 K21 2611 B18 3583 G12
60 A 2 2612 F18 3584 B19
61 F 1 2613 M 4 3585 C20
62 D 1 2614 M 4 3586 C21
CD_STBY
65 G 3 2615 C16 3587 J 3
B
1501 D 2 2616 F16 3588 J 3
1502 H 1 2617 B15 3589 H 4
1505 I 8 2618 E15 3591 L 4
1507 I 6 2619 G10 3592 M 4
1508 E21 2620 E18 3593 I 7
1510 J 2 3501 B 3 3594 J 7
1511 G21 3502 E 3 3595 C21
C
1512 A 3 3503 C 3 3596 C20
1513 K 1 3504 E 4 3597 L 4
1515 I15 3505 C 4 3598 M 4
1516 E21 3506 E 4 3599 L 4
2501 A 8 3507 A 7 3600 M 4
2502 G 8 3508 G 7 3601 A 4
D
2503 B 8 3509 A 7 3602 B 3
2504 F 8 3510 G 7 3611 D16
2505 B 8 3511 A 8 3612 D16
2506 F 8 3512 G 8 3631 G20
2507 A 9 3513 A 9 3632 G20
2508 G 9 3514 G 9 3635 D18
2511 A 9 3515 A 9 4501 A 8
E
2512 G 9 3516 H 9 4506 J10
2513 B10 3517 A 9 4516 G 2
2514 F10 3518 H 9 4527 J10
2515 D16 3519 C16 4529 A19
2517 A 9 3520 F16 4541 A 6
2518 G 9 3521 A 5 4542 G 6
F 2521 H 4 3522 G 8 4543 B 6
2522 H 5 3523 I 4 4544 F 6
2523 E13 3524 I 5 4545 A 7
2524 E12 3525 J 4 4546 H 7
2525 A 7 3526 J 5 4547 A 8
2526 G 7 3527 B 8 4548 H 8
2527 C17 3528 G 8 4574 J10
G
2528 E17 3529 F18 4576 L 4
2529 D18 3530 F18 4577 M 4
2531 C17 3531 B13 4581 K17
2532 E17 3532 E13 4582 L17
2533 C13 3533 B13 4583 L17
2534 F13 3534 E13 4584 L17
H 2535 A14 3535 C13 4585 L17
2536 E14 3536 F13 4586 L17
2537 C15 3537 B14 4587 M17
2538 F15 3538 E14 4588 M17
M 7-C:
2539 C13 3539 B15 4589 M17
2540 F13 3540 E15 4590 M17
2541 C17 3541 C14 4591 M17
I
2542 E17 3542 F14 4592 M17
2543 C19 3543 C14 5501 E18
2544 F19 3544 F14 5502 D21
2545 J 7 3545 A20 5503 F20
2546 J 7 3546 A20 5504 E20
2547 D21 3547 B20 6501 H 3
J 2548 D21 3548 B21 6510 I 9
2549 C 3 3549 D15 6511 I10
2550 C 3 3550 G15 7501 C18
2551 D15 3551 B15 7501 E18
2552 G15 3552 E15 7503 D19
2553 G19 3553 C16 7504 E19
2554 G19 3554 F16 7505 G10
K
2555 F19 3555 B16 7506 B14
1
2556 F19 3556 G16 7506 C15
2
2557 D20 3557 B17 7506 E14
3
2558 D20 3558 F17 7506 F15
4 2573 I 7 3559 B 5 7507 A 7
2574 J 7 3560 G 5 7507 H 7
5
L 2575 C20 3561 C17 7508 J12
2580 F 6 3562 E17 7512 B20
2581 B 7 3563 B18 7513 C21
2582 F 7 3564 F18 7514 B20
2583 G10 3565 C18 7515 A20
2584 G11 3566 F18 7516 B20
2585 H 4 3567 C19 7553 B 6
2587 B 4 3568 F19 9513 I10
M
2588 F 4 3569 D19 9514 I 9
2589 J 6 3570 E19 9558 H 8
2591 B13 3571 J 7 9578 K 4
2592 E13 3572 J 7 9591 D21
2593 C15 3573 A11
22
GRUNDIG Service