10.
Circuit Diagrams and PWB Layouts
21SL9 Mono Carrier: CPU & Decoder
1
2
3
4
A
B
C
D
4
3
2
1
D
C
B
A
CPU AND DECODER
1
8
690_512_09072
3
.ep
s
090724
A7
A7
SW180
VOL-
SW181
VOL+
SW182
PRO-
SW183
PRO+
KEY
R183
18K
R182
10K
R184
2.7K
R181
100
1
2
3
M180
36KHz
D180
LED
IR
C180
10uF 16V
R180
100
+5V
LED
T011
T013
SW184
STAND BY
R185
N.C
T012
FRONT AV
P453
R125
3.3K
R127
3.3K
R126
3.3K
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
IC101
24C08
R102
100
R101
100
C112
100pF 50V
C113
100pF 50V
R103
100
C114
100pF 50V
ZD105
5V6
R111
10K
R119
15K
C115
2.2uF 50V
STAND BY
1
SCL
2
SDA
3
VOL2
4
SCART ID
5
KEY
6
VOL
7
LED
8
VSS C/P
9
MUTE
10
PAL/NTSC
11
VSS A
12
DEC
13
VP2(8V)
14
DECDIG
15
PH2LF
16
PH1LF
17
GND3
18
DECBG
19
AVL/EWD
20
VDRB
21
VDRA
22
IF IN1
23
IF IN2
24
IREF
25
VSC
26
AGC OUT
27
SIF IN1/AUDEEM
28
SIF IN2/DECSDEM
29
GND2
30
SNDPLL/SIFAGC
31
AVL/REFO/SNDIF
32
HOUT
33
FBISO
34
AUDEXT/QSSO
35
EHTO
36
PLL IF
37
IFVO/SVO
38
VP1(8V)
39
CVBS1
40
GND
41
CVBS3/Y
42
C IN
43
AUDIO OUT
44
INSSW2
45
R2/V/Pr IN
46
G2/Y IN
47
B2/U/Pb IN
48
BCL IN
49
BLK IN
50
R OUT
51
G OUT
52
B OUT
53
VDDA(3.3V)
54
VPE
55
VDDC(3.3V)
56
OSC GND
57
XTAL IN
58
XTAL OUT
59
RESET
60
VDDP(3.3V)
61
AV1
62
AV2
63
IR IN
64
IC102
TDA937X
R128
2.2K
R121
4.7K
C110
0.22uF 63V
C1
23
0.
01uF
50V
C1
03
100uF
16V
L101
10uH
C111
0.22uF 63V
C135
2n2 100V
R118
15K
C1
32
1uF
50V
C1
33
4n7 100V
C137
0.1uF 63V
C136
2.2uF 50V
C134
#
C128
1nF 50V
C129
1nF 50V
1
2
3
4
5
SAW101
SAW
R135
39K 1/4W
C147
0.1uF 50V
C148
56pF 50V
C102
10uF 50V
C1
46
330pF
50V
R131
3.3K
C145
1n5 100V
C118
10uF 16V
R115
2.2K
R107 100
ZD101
5V1
C105
100uF 16V
C126
0.01uF 50V
L104
10uH
C142 33pF
X101
12MHz C143
33pF
C117
10uF 16V
C124
0.01uF 50V
L102
10uH
C104
100uF 16V
C125
0.01uF 50V
R104 100
R105 100
R106 100
L103
10uH
R112 10K
ZD102
8V2
ZD103
8V2
ZD104
8V2
R116
27K
C144
560pF 50V
C139
0.022 50V
C140
0.022 50V
C141
0.022 50V
R113
10K
R133
39K
R132
33K
C101
10uF 50V
D101
1N4148
C116
10uF 16V
C138
0.1uF 63V(N.C)
C107
0.1uF 63V
C119
10uF 16V
C1
06
100uF
16V
C1
27
0.
01uF
50V
L105
10uH
R114 2.2K
Q101
C1815
R137
47
C130
47uF
16V
R136
390
C109
0.1uF 63V
C149 220pF 50V
R134
#
R124
100K
R122
180
R108 100
X103
4.5MHz
L106
6.8uH
R120 1K
R109
1K
R110
1K
Q102
C1815
R123
180
C1
20
10uF
16V
R1
17
27
K
+3.3V
+8
V
H-
OUT
AFC
V-OUT
AV-IN
C-YC
TV-AUDIO
V-YUV
Y-YUV
U-YUV
ABL
1
2
3
4
5
CN101
CON5
AV-SEL1
AV-SEL2
IR
C108
22nF 100V
C121
0.01uF 50V
ST
AND B
Y
KEY
VOL
LED
MUTE
IF
EW
VDRB
VDRA
AGC
EHT
R129
3.3K
R130
3.3K
+5V
A
1-L-IN
SDA
SC
L
R000
#
T002
T001
T117
T118
T111
T112
T119
T113
T114
T115
T116
D102
1N4148
D103
1N4148
C150
100pF 50V
ZD106
8V2
D104
1N4148
Q103
C1815
Q104
C1815
R142
560
R141
560
AV-
S
EL2
R143
1K
