Audio Demodulator (Diagram B6) - Philips EM5.1E Service Manual

Circuit Diagrams and PWB Layouts
Small Signal Board: Audio Demodulator
1 2 3
AUDIO DEMODULATOR
F673 5651
+5V_AUD
9604 9603
5656 F671
+8VA
+8VC
3650
6u8 6650 5652 F602
A 9606
RES
B1 B10 F674 RES
2R2
RES
BAT54WS
A A
B5-147
RESET-AUDIO
B1-113 B1-113
3577
AUDIO-SW
2592
100R 3656
SCL-F B1-89
1n
100R
B1-88
3655
SDA-F
B
100R
B2-164 1680
F620 *
SNDR-SC3-IN
1
7666-B
BC847BPN
F669 2
TO 1680
B2-165
F622
SNDL-SC3-IN
3
9694
4
B2-154
5663 *
F652
CVBS-AV3-IN
5 I/O 3d SCART
STATUS_SC3 3531
6
B5-160
C 8K2
F680
* * *
1681 *
5667 * F645
HA50 1
TO 1948
5668
* F624
VA50
2
F646
3
TUNER SIM/CONNECTOR
D
B2-119
F666
2653 F610
* 3551 *
QSS_AM
F611
1K
PIP_AUDIO 330n
*
*
PIP_AUD_IN
F647
F623
*
3560 3692 2506 2550 F644
F629
SNDR-SC3-IN
B4-164
100R 6K8
E 330n 330p
*
*
3562 3693 2507 F630
SNDL-SC3-IN
B4-165
* 100R 6K8
330n
B1-106 *
3564 3654 2661
R-FRONT-IN F628
F
100R 6K8 330n
B1-105
*
3567 3653 2662
L-FRONT-IN
100R 6K8 F627
330n
G B1-98
*
2504
R-SC2_AV2-IN 3570 3688
F626
100R 6K8
330n
B1-95 *
3571 3689 2505
L-SC2_AV2-IN F625
100R 6K8
330n
F660
H
F661
B1-100 *
2502
3572 3684
R-SC1_AV1-IN
100R 6K8
330n
3626
B1-94 *
3574 3685 2503 150K
L-SC1_AV1-IN
100R 6K8 330n
I
* *
2593 +8VA
A A
1n
0016 0017 2594
1 1 1n F681
2595
1n
C100
*
J COMPONENTS WITH DIVERSITY
A
8204_000_8128.8
1 2 3
EM5.1E 7.
4 5 6 7
+5V2
F601 5654
+5DA +5VF
+5V
7668
F695 3519
BC857BW
+5DB 10K
9523
RES
6656
9689 RES
F687
MCL4148
3540
+5DB
10K
+8VA +8VA
*
2690
F606
F607
100n
7674
4 BC847BW
5 *
2691
3
2u2
2516
6
*
7666-A 2632 * F643
2 1u
BC847BPN
RES 1683
*
* 330n
1
3639
N.C.
FMN
1K
F639
F649
*
F650
F651
A A A
* 7651
62
MSP3452G 8 7 9 4 3 5 6 12
B75
B74 1
I2C_CL
2
I2C_DA
I2S INTERFACE
46
VREFTOP
2652
51
ANA_IN- I2SL/R I2SL/R
DEMODULATOR FM1
47p
2501 FM2
52
ANA-IN2+
NICAM
NICAM A
2651 DECODER
47p 50
ANA_IN1+ NICAM B
100n
B65
DSP LOUDSPEAKER R
IDENT
IDENT
LOUDSPEAKER L
47
MONO_IN
SCART 4
36
SC4-IN-R
35
SC4-IN-L
A/D SCART-L
HEADPHONE R
SCART 3
39
SC3-IN-R
HEADPHONE L
A/D SCART-R
38
SC3-IN-L
SCART 2
for MSP3410D only
42
SC2_IN_R
SCART-R
for MSP3415D only
41
SC2_IN_L
SCART-L
SCART 1
45
SC1_IN_R
44
SC1_IN_L
SCART
Switching Facilities
19 27 33 37 40 43 48 56 11 53 58 59 60 61 64
57
A A
F675
+5DA
+8VA
*
* 5657
*
B2/B3-125 9682
Y50
F684
7654-A
* *
5658
B2/B3-126 * 9683
U50
BC847BS
F683 B2/B3-127 * 5659
*
9684
V50
* *
3628
7654-B
*
BC847BS
22K
*
* * * *
F685 * 5660
* * 9685
Y-PIP+MAIN-IN
3552
5661
* 9686 *
U-PIP+MAIN-IN
10K 3553
*
* 7667
5662
* *
9687
BC847BW V-PIP+MAIN-IN
22K
5666
*
PIP_AUD_IN
F682
*
4 5 6 7
65
8 9 10
+5V2
6657
9692
ANTI-PLOP
F667
+5V_AUD 3640
9693 PDZ-2.7B
CIRCUIT +8V_AUD 100R
RES
6658
7675-B
F696
F691 9520 MCL4148
BC847BS
F697 F689
3525 3526
F690
F688 680K 1M5
7675-A 9521
BC847BS
RES
3641
100R
+8V_AUD
+8VA
5653 2646
F659
F605 *
2u2
A
B66
5
* *
6
2643
2
7664-A
BC847BPN
F664
F637 F638 330n F655
1
3546
+8VC
31 30 32 +5DB
1K
F608
63
STANDBYQ B68
A
10
DVSUP
+8VA
A
16
RESETQ
22
DACM-C
24
DACM-S
2649
23
DACM-SUB BC847BPN
F665
4
F656 2u2
34
AGNDC
A
7665-B
5
6
3
3642 2645
DACM_R 20 2
7665-A
D/A
BC847BPN
100R
330n F657
LOUDSPEAKER
1
3643
21
DACM_L
D/A F668
100R 3670 F609
1K
F658 B69
17
DACA-R
D/A
HEADPHONE
A
18
DACA-L
D/A
A
F663
A
D/A
25
SC2-OUT-R
SC2-OUT-L 26
D/A
28
SC1_OUT_R
SC1_OUT_L 29
AUDIO PLL
49 54 55 13 14 15
A
1651
A A
B76
CX-5F
18M432
* 1682
F631 1
F632 2 * 7669
*
LE80AB
+8VC
F633 3
8 1
IN OUT
*
F634
4 5 4
INH NC
*
5
*
7670 GND
* *
F617
6
BC847BW 2 3 6 7
7
F618 8
*
F619
9
F686
10
+3V3_SIM 5672 5671 +3V3_FBX
30R 30R
TO 0205
C1
DW
8 9 10
11 12 13 14
* +8VA
2637
330n
+8VA
* *
* *
* 2630
F604
A
2u2
A
* 2699
F603
4
2u2
4 * BC847BPN
A
BC847BPN
7663-B
5
6
5 7656-B * * 3
* 6 2 B73
7663-A
F670 2629 * 3
2 7656-A *
BC847BPN
F653
B72
BC847BPN 1
* 3664
330n F654
*
1
3682
* * 1K
* * 1K
*
A
*
* 3557 AUDIO-C
A
A
100R
*
*
BC847BPN
AUDIO-SL
4
7664-B
* 7677
F692
* 3528
3 1K
+8VA
* MUTE_SSB
BC847BW
+8VA
*
*
*
2600
* 7653
16 *
74HC4053
1u
B71
6
VCC
G3
A
A
3558
14
* MUXDX
12
* 2601 100R
1y0
11
13
1u 1y1
3559 R-CL_VL-OUT
15
2
* 7678-A
2y0 100R F693
10
3529 1K
1
A *
* 2602 2y1
MUTE_SSB
1u BC847BS
4
3561
2511
L-CL_VL-OUT
5
9
100R
3y0 1u SELECT_AUDIO_LR
*
3
7678-B
3y1 F694
*
A
* 2603
* 3530
VEE GND
7 8 MUTE_SSB
1u
BC847BS
A A
3563
* 100R
A
* 2604 2577 1n
1u
*
*
A *
2546 3568
R-SC1_AV-OUT
2580
3612 * 100R *
10u
*
2547
47K * 3569
10n L-SC1_AV-OUT
2581
10u 3613 * 100R *
* 3673 47K 1n
+8VA
10K
* 3616
* SEL_IN_2
7680
BC847BW
2K7
*
*
7652
16
74HC4053 9632
*
6 *
VCC
G3
A
14
MUXDX
12
1y0
11
13 B77
1y1
2548
R-SC2-OUT
F641 3573
15
2
100R 7679-A
2y0 10u F699
10
3578
1
2y1
MUTE_SSB
BC847BS
4
5 B78
9
3y0
3 2549
L-SC2-OUT
3y1 3575
VEE GND
7679-B
100R F662
10u
F642
7 8 3579 1K
MUTE_SSB
BC847BS
A A
9676
*
9677 *
CL 36532017_025.eps
11 12 13 14
0016 I1 3527 B10 5672 J9 F675 H6
0017 I1 3528 C14 6650 A3 F680 C2
1651 H8 3529 E14 6651 D3 F681 J3
1680 B2 3530 E14 6652 C8 F682 J4
1681 C2 3531 C1 6653 C8 F683 I4
1682 H8 3532 B6 6654 B6 F684 H5
1683 C7 3533 B5 6656 A7 F685 I5
2501 E4 3540 A6 6657 A10 F686 J8
2502 H2 3544 B11 6658 A10 F687 A6
A
2503 I2 3545 A12 7651 D4 F688 A9
2504 G2 3546 D10 7652 H12 F689 A9
2505 H2 3547 B13 7653 D13 F690 A10
2506 E2 3550 E3 7654-A H4 F691 A8
2507 E2 3551 D2 7654-B I4 F692 C14
2508 C8 3552 I4 7656-A B12 F693 E14
2509 B12 3553 I5 7656-B B12 F694 E14
*
2510 D13 3554 I5 7663-A B14 F695 A7
2511 E13 3555 J5 7663-B B14 F696 A8
2512 B9 3556 B14 7664-A C10 F697 A8
2513 B10 3557 C13 7664-B C11 F698 C9
2514 B8 3558 D14 7665-A E10 F699 I14
2515 J9 3559 E13 7665-B E11
B
2516 C6 3560 E1 7666-A C4
2546 G13 3561 E13 7666-B B4
2547 G13 3562 E1 7667 I5
B65
2548 H13 3563 F13 7668 A6
PM3394B
2549 I13 3564 F1 7669 H10
B1-112
2550 E3 3567 G1 7670 I9
2551 D2 3568 G14 7674 B6
2552 G2 3569 G14 7675-A A8
2553 H2 3570 G1 7675-B A9
2554 H2 3571 H1 7677 C14
2555 I2 3572 H1 7678-A E14
500mV / div DC
2556 I7 3573 H13 7678-B E14
B1-111
C 2557 I7 3574 I1 7679-A H14
2us / div
2558 I8 3575 I13 7679-B I14
2559 J7 3576 C1 7680 G13
B66
2560 J7 3577 B2 9520 A8
PM3394B
2561 J8 3578 I14 9521 A8
2562 E1 3579 I14 9522 B9
2563 F1 3601 D12 9523 A7
2564 F1 3602 D12 9603 A3
AUDIO-C
2565 G1 3603 E12 9604 A2
B1-112
2566 G1 3604 E12 9606 A1
2567 H1 3605 E12 9607 I6
50mV / div DC
2568 H1 3606 E12 9608 I6
2569 I1 3607 F12 9609 I6 50us / div
D 2570 C1 3608 F12 9610 D13
B1-114
2571 C2 3609 F12 9611 G11
AUDIO-L B67
2572 C14 3612 G13 9632 H13
PM3394B
2573 C13 3613 G13 9642 D13
2574 D14 3614 I14 9645 E13
2575 E13 3615 I14 9652 E1
2576 E13 3616 G14 9676 J12
B1-109
2577 F14 3617 I9 9677 J12
2580 G14 3618 H9 9682 H7
2581 G14 3619 I9 9683 H7
50mV / div DC
2582 I13 3624 B4 9684 I7
2583 I13 3626 I4 9685 I7 50us / div
2584 C5 3627 H4 9686 I7
E 2585 C5 3628 I5 9687 I7
B1-110
B74
2586 C6 3630 C4 9688 C8 PM3394B
2587 J8 3634 C4 9689 A6
2588 D1 3636 D10 9691 C9
2589 D1 3637 C10 9692 A9
2590 C6 3639 C4 9693 A9
1K
2591 B6 3640 A11 9694 C2
2592 B1 3641 B11 C100 J3
2593 I3 3642 E9 F601 A4
2V / div DC
2594 I3 3643 E9 F602 A4
B1-115
2595 J3 3644 B8 F603 B11 20ms / div
AUDIO-R
2600 D11 3650 A2 F604 A13
2601 D11 3651 F2 F605 C8
B75
F 2602 E11 3652 G2 F606 B7 PM3394B
2603 E11 3653 G2 F607 B5
2604 F11 3654 F2 F608 D11
2609 C8 3655 B3 F609 E11
2610 A4 3656 B3 F610 D3
2611 A4 3657 D10 F611 D3
2612 H9 3658 C10 F617 I8
2629 B11 3659 A13 F618 I8
2V / div DC
2630 A13 3663 B13 F619 I8
B1-101
2632 C5 3664 B14 F620 B2 20ms / div
2634 C5 3666 E10 F622 B2
B1-97
2637 A11 3667 E10 F623 E1
2640 B6 3668 F10 F624 D2 B76
PM3394B
G 2643 C10 3669 F10 F625 H2
2644 D9 3670 E10 F626 G2
2645 E9 3671 E10 F627 G2
2646 C10 3673 G12 F628 F2
B5-145
2649 E9 3675 B12 F629 E3
2651 E4 3676 B11 F630 E2
2652 E4 3677 B13 F631 H8
1V / div DC
2653 D2 3680 A13 F632 H8
2654 D3 3681 A11 F633 I8
250ns / div
2659 E2 3682 B12 F634 I8
2660 F2 3683 H13 F637 C8
2661 F2 3684 H2 F638 C8
2662 G2 3685 I2 F639 C5
H 2663 F2 3686 H2 F641 H13
2664 G2 3687 I2 F642 I13
2665 A3 3688 G2 F643 C5
B1-99 2666 A4 3689 H2 F644 E3
2667 H7 3690 G2 F645 D2
2668 H8 3691 H2 F646 D2
2670 A2 3692 E2 F647 E2
2673 B11 3693 E2 F648 B12
1K
2674 A11 3694 E2 F649 C5
2677 C8 3695 F2 F650 C6
2678 C8 3698 C10 F651 C7
2679 G9 3699 B4 F652 C2
2680 G9 5651 A3 F653 B13
I 2681 D4 5652 A3 F654 B11
B1-96
2682 D3 5653 C8 F655 D10
2686 F9 5654 A5 F656 E9
2687 G10 5655 E4 F657 E10
2690 B6 5656 A1 F658 F9
2691 B6 5657 H7 F659 C10
2693 A5 5658 H7 F660 H3
2694 F9 5659 I7 F661 H3
2695 A1 5660 I7 F662 I14
2697 I3 5661 I7 F663 F10
2698 I3 5662 I7 F664 C9
2699 A11 5663 C1 F665 E10
3519 A7 5664 C6 F666 D2
J 3520 C12 5665 C6 F667 A11
3521 E13 5666 J7 F668 E9
3522 E13 5667 D1 F669 B2
3523 A7 5668 D1 F670 B11
3524 A9 5669 C7 F671 A2
3525 A9 5670 C7 F673 A3
230403 3526 A10 5671 J10 F674 A3