Analog Circuit - Philips FW-V720 Service Manual

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ANALOG CIRCUIT

1701 F9 2705 A2 2712 B6 2719 C5
1710 C1 2706 A2 2713 A6 2720 D5
1730 A1 2707 A4 2714 B6 2721 C5
2701 B2 2708 B4 2715 A4 2722 D5
2702 B2 2709 A5 2716 C4 2723 C5
2703 A2 2710 B5 2717 C6 2724 D5
2704 B2 2711 A6 2718 D6 2725 D4
1
REC_L
PLAY BACK
3
DECK A
A
1730
1
2
3
4
REC_R
B
5
REC/PB
DECK B
1710
1
2
C
3
4
5
A
3784
D
2786
100p
1N4148
+12
A
E
BC557B
P
MT1 7 8 MT2
6
3
5
2
1 4
F
CLNS-2A833 YEZ
5703
2743
22n
A P
A A
1
9-7
2726 D4 2735 B3 2745 F5 2765 B4 2785 F1 3705 A4
2727 A3 2737 A6 2746 F8 2769 F7 2786 D1 3706 B4
2728 E5 2738 B6 2747 E8 2770 F8 2787 D3 3707 A5
2729 A8 2741 D6 2760 E3 2780 F3 3701 B1 3708 B4
2730 B8 2742 C3 2761 B5 2781 F2 3702 C2 3709 A4
2733 A5 2743 F1 2762 B6 2782 F2 3703 A2 3710 C4
2734 C4 2744 A4 2763 B6 2784 F1 3704 B1 3711 A5
2 3
2727
*
3735
470p
22K 3723
*
15K LEFT CHANNEL
*
A A
MODE
7710
3703
HEF4952B SELECTOR
15 7
220R
A0 1A0
+C
16 S0 9
A1 1A1
A
14 10
S1
A2
12
S2
A
11 S3 8
S4 -C
VSS
2 4
3704
VEE
1
S0
A
3 13
S1
220R
VDD
5 S2
3736
6 S3
RIGHT
S4
A
CHANNEL
22K
*
A A
A2 A1 A0 S0 S1 S2 S3 S4
STOP 0 0 0 1 1
Pb deck A 0 0 1 1 1
*
3701
Pb deck B 0 1 0 1 1
*
-- 0 1 1 1 1 1
REC in 1 0 0 1 1
220R
Dubbing 1
3702 1 0 1 1
-- 1 1 0 1 1
--
1 1 1 1
220R
6775
1N4148
3787
1M
6
7786
J111
A
P
1K 3781
-C
4M7 3779
6773
3780 330K REC
6774
1M
1N4148
A A
+C
3762 3761
820R 10K
A
*
* 3769
BIAS
LEVEL
6K8
P
+12
7782
7783
BC847B
3770 3771
6776
P
1K5 1K2
1N4148
*
2782
P
7780
3777
7781
BC847B
4n7
BC847B
150R
3776
6K8
P P
ERASE
OSCILLATOR
P P
P
2 3
3712 B4 3719 C6 3726 D5 3733 A2 3744 F8 3753 F5
3713 A7 3720 E6 3727 A7 3734 B2 3745 F8 3754 E8
3714 B7 3721 C6 3728 B7 3735 A2 3746 E8 3755 E7
3715 A6 3722 D6 3729 A7 3736 B1 3748 C8 3756 D8
3716 B6 3723 A3 3730 B7 3741 A6 3749 C7 3757 D8
3717 C6 3724 D5 3731 A7 3742 C7 3751 E5 3758 D8
3718 E6 3725 C5 3732 B7 3743 F8 3752 F4 3759 D7
4 5 6
2713
3711
150K 3763
10u
2733
3705 150K
12 5
470p
PC2 PC1
220R
10
2711
IN2
13
OUT2 100p
A 2715
3707
11
2737
NF2
14
100R
470u AN7323S AN2
3764 100n
16 7720
+12 Vcc
2
220R
ALCC
A
PB/REC
1
AMPLIFIER
GND
A
15 3
A RF AIN1
3706
7
2738
IN1
220R
4
OUT1 100n
3708
A 6
NF1
100R
NC1 NC2
3712
8 9
A
150K
A
2734
470p
2719 3721 * 2717
3K9
33n 10n
3719 3717
2721
3725 12K 2K2
* *
A
15 7
10R A0
6n8
16 S0 9
2723
A1
14 S1 10
B1
A2
12
S2
15n
11 S3 8
S4
A
VSS A 100n
2 4
2722
3726 VEE
A * *
1 S0
3 13
S1
6n8 10R VDD
5
S2
2724
6 S3 7730
B2 S4
HEF4952B
15n
3724 2720 3722
*
A
15K 3K9
33n
2728
* 3720
12K
470p
REC EQUALISATION
A2 A1 A0 S0
NS Ferro 0
0 0
+5
HS Ferro 0 0 1
6778
REC MUTE 0 1 0
REC MUTE
CRB 0 1 1
NS Chrome 1 0 0
1N4148
HS Chrome 1 0 1
1A1 REC MUTE 1 1 0
--
1 1 1
3752
7791
BC847B
100K
P
3786
A
ANALOG CCTRY
22K
REC
1A0
4 5 6
Published in Heiloo, Holland.
9-7
3760 A7 3767 A7 3774 E3 3781 D2 4794 C6 6774 D3
3761 E3 3768 E8 3775 F3 3784 D1 5701 D2 6775 C3
3762 E2 3769 E4 3776 F2 3786 F4 5703 F1 6776 F3
3763 A5 3770 F2 3777 F2 3787 C3 6770 E2 6777 E2
3764 A5 3771 F2 3778 E1 3788 C3 6771 E2 6778 E4
3765 B6 3772 F3 3779 D3 3789 F4 6772 D1 6782 C7
3766 B7 3773 E3 3780 D2 4790 C3 6773 D1 6785 A7
7 8
3741
B1
2K2
2729
3727
9793 *
LH
9791
5K6 22n
3713 3731
7740
HEF4952B
10R 8K2
A
15 7
A0
16 S0 9
3729
* A1
14 10
S1
3760 A2
A
12
S2
3K3
11 S3 8
120R S4
VSS
ALCEN
2 4
3732
VEE
1
S0
3765
3 13
S1
8K2
VDD
5 S2
39K 3730
*
6 S3
S4
3K3
2730
* 3728
9792
A
5K6
22n
3714
10R
--
STOP
3742 --
B2
REC
2K2 HS Chrome
ALCEN
Pb Chrome
--
6782
LH
Pb Ferro
1A0
3748
1N4148
7787
BC847B
3749 2K2
REC
A
47K
3A0
+5
REC
CRB CONTROL LOGIC
2741
P
7792
3756
CRA
-C BC847B
220K
2A0
+C 3757
HS
220K
P
2718
*
10n
3718 P
2K2 3754
*
3A0 HS
1M
S1 S2 S3 S4
A
1
1
1 1
*
1
1
1 1 1 M 3768
1 1 -C
1 1 3746 10K
*
B4
1 1
3K3
1 +12
3745
*
B3
3K3
* *
A A A A
A
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.
7 8
1/3/16
6786 B7 7782 E1 9791 A8
7710 A3 7783 E2 9792 B8
7720 A5 7784 D2 9793 A6
7730 D6 7786 C2
7740 A8 7787 C8
7780 F4 7791 F5
7781 F3 7792 D8
9
A
B3
A
P
2A0
M
2A1
2A2
A
-C
PLAYBACK
+C
EQUALISATION
B
B4
A2 A1 A0 S0 S1 S2 S3 S4
0 0 0 1 1
0 0 1 1 1
1
0 1 0 1
0 1 1 1 1 1
1 0 0 1 1
1 0 1 1 1
1 1 0 1 1
1 1 1 1
C
D
1
2
E
-CMOS
7
TAPE-R
6
+12V
5
TAPE-L
4
A GND_A
3
2 REC-R
REC_R F
1 REC-L
REC_L
1701
TO/FROM AF
4 3
9