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Circuit Diagrams and PWB Layouts
81
Q523.1U LA
7.
SSB: Main Tuner
IF1
B
A
IF2
B
A
IF3
OPTXTAL
B
OUT1
A
B
OUT2
TAGC
AUD
CVBS
1
2
MPP
1
EXTFILO
CDEEM
APCLC
APCHC
SWI
AGC
IC
VIN
LF
SYN2
FM
VIF
CTAGC
CIFAGC
EXT
TOP
CAF
B
ADRSEL
DIN
2
FMI
FILI
FREF
A
VP
GND
GNDA
BVS
SCL
SDA
SYN1
A
GNDD
DIV
T
M
T
M
I
O2
IGND
O1
GND
I
O2
IGND
O1
GND
IT93 C13
IT94 F12
IT95 F12
IT62 G11
IT63 G11
IT65 F11
IT66 G10
IT67 G10
IT68 F14
IT69 F14
IT71 E14
IT73 F11
IT74 F12
IT75 G11
IT76 F5
IT77 G11
IT78 E5
IT79 G12
IT80 F4
IT81 F8
IT82 F8
IT83 G11
IT84 G12
IT85 H2
IT86 G2
IT87 F2
IT88 F2
IT89 E4
IT90 E4
IT91 F4
IT92 E14
7T59 G10
9T51 E5
9T52 F5
9T57 G9
9T62 F11
9T63 F11
9T67 F5
9T68 E5
9T85 H3
9T86 H3
AT56 F14
AT57 F14
AT58 F15
AT59 G14
AT62 D3
FT52 E2
FT53 E4
FT56 G14
FT57 F10
FT60 B6
FT70 D13
FT72 F10
IT60 G12
3T72 G4
3T74 G11
3T75 G11
3T76 E14
3T77 E4
3T81 F14
3T82 F14
3T83 G10
3T84 G10
5T53 D13
5T54 D5
5T60 B7
5T61 D4
7T56 F2
7T57 E13
7T58 G3
3T53 F4
3T54 F11
3T55 G11
3T56 E14
3T57 E14
3T58 F9
3T59 F9
3T64 F10
3T68 F3
3T69 F2
3T70 F2
3T71 G4
MAIN DIG TUNER C0
2T97 G12
2T98 F11
2T99 D13
2TA1 F14
2TA2 G11
2TA3 E14
2TA4 D13
2TA5 D13
2TB2 F3
2TB5 F14
2TB6 F14
3T50 F14
2T81 G11
2T82 G11
2T83 G11
2T84 F2
2T85 F14
2T86 F9
2T87 E9
2T88 E11
2T89 E11
2T90 F15
2T91 F11
2T92 H12
11
12
13
14
15
A
B
C
D
E
F
G
H
4
5
6
7
8
9
10
11
12
13
ATSC
14
15
1
2
3
4
5
6
7
8
9
10
2T63 G12
2T64 D5
2T75 F2
2T80 F11
X6767D
1
2
3
MAIN TUNER
ANALOGUE VIDEO
A
B
C
D
E
F
G
H
1T04 C2
1T05 A2
1T06 C7
1T55 A7
2T47 G4
2T48 E14
2T51 F14
2T53 D1
2T59 F2
2T61 E2
2T62 E5
2T99
100u
16V
2TB5
10n
IT79
11
43
44
IT71
12
16
39
26
27
29
30
24
23
47
2
7
9
10
3
4
19
38
1
13
17
15
21
46
48
40
41
22
14
18
6
45
34
35
31
32
28
20
5
8
33
42
7T57
TDA9897HL/V1
IF
PROCESSING
Φ
25
36
37
1n5
2T92
IT90
2T90
10n
8K2
3T55
2TB2
75R
3T64
V1
150p
3T50
100K
9T63
2T91
V1
100n
IT74
AT58
AT59
10n
2T89
100R
3T56
IT93
+5V-ON
IT91
2TA5
22u
3
1
2
4
5
44M
1T55
X6931D
15
NC1
1
NC2
4
NC3
11
OBBOUT
2
RF-AGC
3
SCL
6
SDA
7
4MHZ
8
AS
5
BM
9
IFOUT
10
12
13
14
TUNER
VA1Y9ED2002
1T05
3T54
330R
47p
2T81
9T57
3T75
2K7
3T57
100R
+5V-ON
22p
2TA2
IT63
RES
9T67
10n
2T85
IT80
4K7
3T70
3T68
4K7
IT81
IT82
SCL
7
SDA
9V
T
U
10n
2TA1
GND
10
IF-OUT
11
12
13
14
15
5P
L
L
2
RF-OUT
6
TUNER
TD1736OF/FHFXP
1T04
4MHZ
8
1
APO
3
ERF-GAIN
4
FM-TRAP
IT92
2T48
100p
IT77
IT83
IT73
100p
2TA3
AT62
FT57
RES
9T68
3p3
2T86
2T59
150p
3T71
4K7
3K9
RES
3T81
220R
3T84
9T52
9T62
3T53
220R
RES
2T47
100n
22u
2T64
10n
2TB6
1
SCL0
2
SCL1
7
SDA0
3
SDA1
6
VCC
8
7T58
PCA9515ADP
EN
5
GND
4
NC
RES
2T83
4n7
10n
IT76
2T51
2T88
10n
IT75
9T86
9T85
IT89
2T97
100n
68R
3T83
2T53
10n
AT57
2T87
3p3
AT56
2T61
V2
100n
220R
5T54
FT72
IT87
2n2
2T82
FT53
3T76
3K3
9T51
7T56
BC847BW
3T58
390R
220n
2T80
3T82
180R
+3V3
10n
2T75
2TA4
IT67
100n
IT66
IT60
IT65
2T63
100n
2T62
100n
IT95
IT94
IT88
IT84
3T74
470R
RES
4K7
3T72
FT70
IT62
IT86
IT85
2u2
5T60
2T98
1n5
V2
2T84
10n
IT69
FT60
IT68
FT56
220R
5T53
FT52
390R
3T59
220R
3T77
5T61
270n
2
4
5
1T06
3
1
7T59
BC847BW
IT78
3T69
100K
SCL-SSB-MUX2
IF-OUT
TUN-AGC
TUN-AGC-MON
TUN-AGC
IF-FILTN1
IF-FILTP1
IF-OUT
TUN-AGC
TDA-IF-IN-P
TDA-IF-IN-N
IF-N
IF-P
CVBS4
TUN-TDA-SDA
TUN-TDA-SCL
SDA-SSB-MUX2
SDA-MUX2-BUF
SCL-MUX2-BUF
SDA-MUX2-BUF
SCL-MUX2-BUF
4-MHz
IF-OUT
IF-FILTN3
IF-FILTP3
IF-OUT
IF-FILTP3
IF-FILTN3
SDA-SSB1
SCL-SSB1
IF-FILTP1
IF-FILTN1
4-MHz
FM-TRAP-SWITCH
TDA-IF-AGC
B03B
B03B
H_16770_017.eps
190307
3104 313 6196.2