7.
Circuit Diagrams and PWB Layouts
Mono Carrier: CPU & Decoder
1
2
3
4
A
B
C
D
4
3
2
1
D
C
B
A
STANDBY
1
SCL
2
SDA
3
AV3/TUNING
4
SCART ID
5
KEY
6
VOL
7
MUTE
8
Vss C/P
9
LED
10
PAL/NTSC
11
VssA
12
SECPLL
13
Vp2
14
DECDIG
15
PH2LF
16
PH1LF
17
GND3
18
DECBG
19
AVL/EWD
20
VDRB
21
VDRA
22
IF1
23
IF2
24
IREF
25
VSC
26
TUNER AGC
27
AUDEEM/SIF1
28
DECSDEM/SIF2
29
GND2
30
SNDPLL/SIFAGC
31
AVL/REFO
32
H. OUT
33
FBISO
34
AUDEXT/QSSO
35
EHTO
36
PLL IF
37
IFVO/SVO
38
Vp1
39
CVBSINT
40
GND1
41
CVBS/Y IN
42
C IN
43
AUDOUT/AMOUT
44
BLANK
45
R / V IN
46
G / Y IN
47
B / U IN
48
BCL IN
49
BLANKING
50
R OUT
51
G OUT
52
B OUT
53
VddA
54
VpE
55
VddC
56
OscGnd
57
XTAL IN
58
XTAL OUT
59
RESET
60
VddP
61
AV1
62
AV2
63
IRin
64
IC201
TDA83731
1
2
3
4
5
SAW101
SW02B
C210
220nF
C209
2200p
C208
4n7
+
C211
1uF/50V
R245
15K
L201
10uH
+8V
C218
1U/ 50V
+
C217
0.1U
C207
0.22UF
X201
12MHz
C230
33pF
C229
33pF
+3.3V
L202
10uH
+
C233
0.01u
+
C231
0.01U
C234
10u/16v
C232
2.2U/ 50V
L203
10uH
C213
0.1U/ 63V
R214
39K
C251
2.2U/ 50V
C224
1.5nF
C221
3n3
R234
3.3K
R235
3.3K
R239 100
R241
100
R240
100
GND
R242 10K
+8V
ZD104
8V2
1
2
3
4
5
BL
R
G
B
C239
0.022U
R247
33K
R425
27K
D204
8V2
D202
8V2
D203
8V2
C240
0.022U
C241
0.022U
R243
22K
Q202
C1815
Q203
C1815
GND
GND
R224
100
R223
180
L206
6.8uH
Z201
XT-6. 5
Q201
C1815
Z202
XT-6. 0
Z204
XT-4. 5
GND
R227
4K7
R226
4K7
GND
Z203
XT-5. 5
WP
1
n.
c.
2
A2
3
Vs
s
4
Vd
d
8
PT
C
7
SC
L
6
SD
A
5
IC202
24C08
R204 100
R206
100
C203
0.01U
R2
0
5
3.
3K
R2
0
3
3.
3K
C227
47uF/ 16V
R2
0
2
3.
3K
R231
2.2K
R229
390
C246
0.1U/ 63V
R219 47
R218
10K
1
2
3
4
5
LED
KE
Y
5V
IR
GN
D
BCL
BLANK
V / R in
Y / G in
U / B in
C IN
CVBS/Y IN
R221
47
R311
27K
C202
100pF
C201
100pF
D206
8V2
+3.3V
C220
4.7uF
R217
100
CN102
R725
10K
8V
AUDIO OUT
EHT
AFC
H-out
R312
3K3
SYSTEM
SYSTEM
STANDBY
SCL
SDA
VOL
EW
VDRB
VDRA
IF
AGC
1
2
3
4
5
SAW102
Q9362M
C222
10uF
SIF
NICAM
NO NICAM
+5V_VCC
R2
1
0
3.
3K
SAW101
SAW102
PAL
NTSC
1
C219
0.022U
+
C245
10U/16V
R228
100
R230
100
CVBS
R2
08
3.
3K
C226
100U/ 10V
C250
0.01U
MUTE
C212
0.01U
C206
10U/16V
C214
2.2U/ 50V
L204
10uH
C236
0.01u
C235
10u/16v
C352
47U/16V
C244
100U/ 16V
C243
0.01U
L205
10uH
R220
100K
R465
560K
C205
0.01U
AV3
R2
07
3
.3
k
10UH
C223
C216
3.3K
R220
5K1
+5v
BCL
U / B in
Y / G in
V / R in
BLANK
AUDIO OUT
C IN
CVBS/Y IN
A2
A1
+5V_VCC
8v
EHT
AFC
H-out
AU
DE
X
T
+3.3v
SCL
SDA
MUTE
AV3
VOL
SYSTEM
EW
VDRB
VDRA
IF
SYSTEM 1
CVBS
STANDBY
AGC
SIF
H_17210_008.eps
070607
CPU & DECODER
A8
A8
5800 A3P610-00
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