Analog Circuit - Philips FW-M570 Service Manual

62 FW-M570
ESQUEMA ANALÓGICO
ALOG CIRCUIT
1701 F9 2705 A2 2712 B6 2719 C5 2726 D4 2735 B3
1710 C1 2706 A2 2713 A6 2720 D5 2727 A3 2737 A6
1730 A1 2707 A4 2714 B6 2721 C5 2728 E5 2738 B6
2701 B2 2708 B4 2715 A4 2722 D5 2729 A8 2741 D6
2702 B2 2709 A5 2716 C4 2723 C5 2730 B8 2742 C3
2703 A2 2710 B5 2717 C6 2724 D5 2733 A5 2743 F1
2704 B2 2711 A6 2718 D6 2725 D4 2734 C4 2744 A4
1 2
3735
REC_L
22K
PLAY BACK
3
*
DECK A A
A
1730
3703
1
220R
2
A
3
A
4 3704
220R
3736
REC_R
22K
*
B A A
*
3701
*
5
220R
3702
REC/PB
DECK B
220R
1710
1
2
C
3
4
5
6
7786
J111
A
3784 A
1K 3781
-C
4M7
D
6773
2786 3780
1M
100p
1N4148
+12
A
820R
E
BC557B
7782
P
7783
BC847B
7 8
MT1 MT2
3770
6
3
5 1K5
2
2782
1 4
3777
F
4n7
CLNS-2A833 YEZ
150R
3776
5703
6K8
2743
ERASE
22n
A P OSCILLATOR
A A P
1 2
9-7
2745 F5 2765 B4 2785 F1 3705 A4 3712 B4 3719 C6
2746 F8 2769 F7 2786 D1 3706 B4 3713 A7 3720 E6
2747 E8 2770 F8 2787 D3 3707 A5 3714 B7 3721 C6
2760 E3 2780 F3 3701 B1 3708 B4 3715 A6 3722 D6
2761 B5 2781 F2 3702 C2 3709 A4 3716 B6 3723 A3
2762 B6 2782 F2 3703 A2 3710 C4 3717 C6 3724 D5
2763 B6 2784 F1 3704 B1 3711 A5 3718 E6 3725 C5
3 4
2727
*
470p
3723
*
15K 3705
LEFT CHANNEL
A
220R
MODE
7710
HEF4952B SELECTOR
15 7
A0 1A0
+C A 2715
16 9
S0
A1 1A1
14 10
S1
A2
12
S2
470u
11 S3 8
S4 -C
VSS +12
2 4
VEE
1 A
S0
A
3 13
S1
VDD
5
S2
6 S3 RIGHT
S4
A
CHANNEL
A
3706
220R
A2 A1 A0 S0 S1 S2 S3 S4
STOP 0 0 0 1 1
3708
Pb deck A 1 A
0 0 1 1
1
Pb deck B 0 1 0 1
100R
-- 0 1 1 1 1 1
REC in 1 0 0 1 1 3712
Dubbing 1
1 0 1 1
-- 1 1 0 1 1
150K
--
1 1 1 1
2734
6775
470p
1N4148
3787
1M
*
A
B1
P
A
*
3779
REC
330K B2
6774
1N4148 A
A A
+C
3762 3761
10K
A
6778
*
3769
*
BIAS
CRB
LEVEL
6K8
P 1N4148
+12
3752
3771
6776
100K
P
1K2
1N4148
*
3786
P
7780
7781
BC847B
22K
REC
BC847B
P P
P P
3 4
3726 D5 3733 A2 3744 F8 3753 F5 3760 A7 3767 A7
3727 A7 3734 B2 3745 F8 3754 E8 3761 E3 3768 E8
3728 B7 3735 A2 3746 E8 3755 E7 3762 E2 3769 E4
3729 A7 3736 B1 3748 C8 3756 D8 3763 A5 3770 F2
3730 B7 3741 A6 3749 C7 3757 D8 3764 A5 3771 F2
3731 A7 3742 C7 3751 E5 3758 D8 3765 B6 3772 F3
3732 B7 3743 F8 3752 F4 3759 D7 3766 B7 3773 E3
5 6
2713
3711 3741
150K 3763 10u 2K2
2733
9793
150K LH
5
12
470p
PC2 PC1
3713
10
2711
IN2
10R
A
13
OUT2 100p
3707
11
2737 3760
NF2
A
14
100R
AN7323S AN2
3764 120R
100n
16 7720
Vcc
ALCEN
2
220R
ALCC
3765
PB/REC
1
AMPLIFIER
GND 39K
A
3
15
RF AIN1
7
2738
A
IN1
4
OUT1 100n 3714
6
10R
NF1
NC1 NC2
8 9
3742
A
A
2K2
2719 2717
3721 * LH
1A0
3K9
33n 10n
3719 3717
2721 3725 12K 2K2 REC
*
15 7
10R 3A0
6n8 A0
16 9
2723 S0
A1 REC
14 10
S1
A2 CRB
12
S2
15n 2741
11 S3 8
S4
P
A
VSS A 100n
2 4
2722
3726 VEE
* -C
1 S0
3 13
10R S1
6n8 VDD +C
5
2724 S2
6 S3 7730
S4
HEF4952B
15n
2720 2718
3724 3722 *
*
15K 3K9
33n 10n
2728
* 3720 3718
12K 2K2
470p
REC EQUALISATION
A2 A1 A0 S0 S1 S2 S3 S4
1
NS Ferro 0 0 0 1
+5
HS Ferro 0 1
0 1 1
1
REC MUTE 0 1 0 1
REC MUTE
0 1 1 1 1 1
NS Chrome 1 0 0 1 1
HS Chrome 1 0 1 1 1
1A1 REC MUTE 1 1 0 1 1
-- 1 1 1 1
7791
BC847B
P
ANALOG CCTRY
A
1A0
L Not For ND/DD/FR
* See Variant Table for details
# For Provision Only
Note : Some values may varies, see respective parts list for correct value.
5 6
9-7
3774 E3 3781 D2 4794 C6 6774 D3 6786 B7 7782 E1
3775 F3 3784 D1 5701 D2 6775 C3 7710 A3 7783 E2
3776 F2 3786 F4 5703 F1 6776 F3 7720 A5 7784 D2
3777 F2 3787 C3 6770 E2 6777 E2 7730 D6 7786 C2
3778 E1 3788 C3 6771 E2 6778 E4 7740 A8 7787 C8
3779 D3 3789 F4 6772 D1 6782 C7 7780 F4 7791 F5
3780 D2 4790 C3 6773 D1 6785 A7 7781 F3 7792 D8
7 8 9
B1
3727 2729
*
9791
5K6 22n B3
3731
7740
HEF4952B
8K2
15 7
A0 2A0
16 9
3729 S0
* A1 2A1
14 10
S1
A2 2A2
12
S2
3K3
11 S3 8
S4 A
VSS
2 4
3732 -C
VEE
1
S0
3 13 PLAYBACK
8K2 S1
VDD +C
5
S2
3730
*
EQUALISATION
6 S3
S4
3K3
2730
3728
* 9792
B4
5K6
22n
A2 A1 A0 S0 S1 S2
-- 0 0 0 1
STOP 0 0 1 1
1
-- 0 1 0
B2
REC 0 1 1 1 1
HS Chrome 1 0 0 1
ALCEN
Pb Chrome 1 0 1 1
-- 1 1 0 1
6782
Pb Ferro 1 1 1
3748
1N4148 7787
BC847B
3749 2K2
A
47K
+5
CONTROL LOGIC
7792 3756
CRA
BC847B
220K
2A0
3757
HS
220K
P
P
3754
*
3A0 HS
1M
A
1 2
*
3768
M
-C
7
3746 10K
*
B4
6
3K3
+12
5
3745
*
B3
4
3K3
A
3
2
* * REC_R
A
A A A 1
REC_L
A 1701
TO/FROM
4 3
7 8 9
9791 A8
9792 B8
9793 A6
A
A
P
M
B
S3 S4
1
1
1
1
1
1
1
1
C
D
E
-CMOS
TAPE-R
+12V
TAPE-L
GND_A
REC-R
F
REC-L
AF