Table of Contents
Advertisement
Circuit Diagrams and PWB Layouts
Mono Carrier: Audio - BTSC Stereo Decoder
1
2
AUDIO - BTSC STEREO DECODER (ECONOMIC)
A
2891
R1_IN
A7
100n
B
2862
AM_FM_MONO
C
A4
2u2
D
+8V
E
2886
L1_IN
A7
100n
SCL
A4
SDA
A4
F
G
3139 123 5802.1
1
2
L03.2L AA
7.
3
4
5
2884
3867
2u2
3K3
2885
220n
2861
220n
7861
TDA9853H
2
3
42
43
5
A1
4
4V1
STEREO DECODER
DEMATRIX
COMP
L+R
+ MODE
3862
SELECT
35
4V1
L-R
FDI
15K
DET AND
4V1
33
VOLTAGE
SUPPLY
FDO
CTRL AMP
32
31
30
41
28
27
5861
10u
1883
1
A2
3866
100R
A3
3865
100R
3
4
5
EN 18
6
7
4863
RES
2870
47n
1
6
25
26
12
17
22
29
34
44
23
24
21
20
19
AUTOMATIC
VOLUME
TONE
OUTR
INPUT
RIGHT
RIGHT
VOLUME AND
SELECT
LEVEL CONTROL
CTRL
CTRL
FIL
LOGIC
VOLUME
TONE
OUTL
16
AND
I2C
LEFT
LEFT
REF
TRANSC
CTRL
CTRL
40
39
38
37
11
10
13
14
15
36
9
8
7
2869
47n
4861
RES
6
7
8
9
10
A4
Main_OutR
18
4V1
A6
A5
Main_OutL
4V1
A6
A4
A5
0.5V / div DC
0.5V / div DC
1ms / div.
1ms / div.
5862
10u
8
9
10
11
1861 B5
1883 E4
2861 B4
2862 C2
2863 C3
2864 B5
2865 B5
2866 D7
2867 D7
2868 D7
2869 D8
2870 B8
2871 B7
A
2872 B7
2873 B7
2874 D5
2875 D5
2876 B6
2877 D5
2878 D5
2879 D4
2880 D3
2881 D7
2882 D6
2883 E4
B
2884 B4
2885 B4
2886 E2
2891 B2
3861 D6
3862 C4
3863 D3
3864 D3
3865 F4
3866 E4
3867 B5
4852 D8
C
4861 E8
4863 B8
4865 E8
5861 E4
5862 F9
7861 C4
D
E
F
G
E_14560_007.eps
150304
11
Advertisement
Table of Contents
