Circuit Diagrams and PWB Layouts
10.
Tuner Board: Main Tuner
CAF1
IF2
B
A
IF
3
OPTXTAL
B
OUT1
A
B
OUT2
TAGC
AUD
CVB
S
1
2
MPP
EXTFILO
CDEEM
IC
LF
S
YN2
FM
VIF
A
B
EXT
IF1
CAF2
B
ADR
S
EL
AGCDIN
TOP2
FMI
FILI
FREF
A
VP
GND
GNDA
BV
S
S
CL
S
DA
S
YN1
A
GNDD
NC
I
O2
IGND
O1
GND
COM
OUT
IN
I
O2
IGND
O1
GND
3
90R
2T
8
9 E10
2T90 E14
2T91 F
8
2T92 G1
3
2T97 F11
2T9
8
F10
2T99 B1
3
IT
88
D2
IT
8
7 D2
IT
8
4 F11
IT
83
G10
IT
8
0 D5
IT79 F1
3
RE
S
RE
S
RE
S
RE
S
IT67 F9
IT6
8
E1
3
IT69 E1
3
IT71 D1
3
IT7
3
F11
IT74 F11
IT75 G10
IT76 D5
IT77 F11
IT7
8
C5
2TB4 B1 2
2TB5 E1
3
2TB6 E1
3
3
T50 F14
3
T5
3
D4
3
T54 F10
3
T55 F10
2T
8
6 E
8
2T
8
7 E
8
2T
88
D10
7T57 D11
7T59 F9
9T51 D4
9T52 D4
9T57 F
8
9T6
3
F10
9T67 D4
3
T64 G
8
3
T57 D14
3
T70 D2
3
T69 E2
3
T6
8
D
3
3
T5
8
E
8
3
T59 E
8
3
T56 E1
3
IT
8
9 B
3
IT90 D4
IT91 D4
IT92 D1
3
IT9
3
C12
FT72 F
8
FT70 C1
3
FT60 A6
FT57 G
8
FT7
3
E7
FT74 F7
9T6
8
D4
AT56 E1 4
AT57 E1 4
AT5
8
E1 4
AT59 F14
AT62 B5
FT52 C5
FT5
3
C5
FT56 F1
3
2T75 C2
2T
8
0 F11
2T
8
1 F10
2T
8
2 F10
2T
83
G10
2T
8
4 E2
2T
8
5 E1
3
2T5
3
C1
2T59 D
3
2T61 D2
2T62 C
3
2T6
3
E11
2T64 C
3
2T65 D11
4
5
AT
S
C
6
1
2
3
4
5
6
7
8
9
10
11
12
1
3
14
15
1
2
3
3
T74 G10
3
T75 G10
3
T76 D1
3
3
T77 D4
3
T
8
1 E14
3
T
8
2 E14
3
T
83
F
8
2TB2 D
3
2TB1 F
8
2TB
3
C12
2TA1 E1 4
2TA2 G1 0
2TA
3
D1 4
2TA4 D1
3
2TA5 D1 2
2TA6 B
8
2TA7 B1 1
2TA
8
B9
2TA9 B9
FT75 E11
FT76 E11
IT60 D11
IT62 F11
IT6
3
F10
IT65 E11
IT66 F9
5T61 B4
5T60 B7
7T56 D2
6T01 B10
7T54 A12
7T55 A10
3
T
8
4 G9
3
T9
8
F9
3
TA1 B11
3
TA2 B11
3
TA
3
B9
5T5
3
C12
5T54 B
3
5T55 A11
7
8
9
10
11
12
1
3
G
14
15
A
B
C
D
E
F
G
A
B
C
D
E
F
1T04 A2
1T06 C6
1T55 A6
2T45 F1
3
2T46 D11
2T4
8
D1
3
2T51 E1
3
ANALOGUE VIDEO
MAIN TUNER
RE
S
1
8
0R
3
T
8
2
2T
8
2
2n2
100p
2T4
8
45M75
3
1
2
4
5
M1
8
67D
1T55
V2
2T
A9
22n
V1
2T
A
8
220p
IT
8
7
IT
88
10n
2T5
3
9T6
3
4K7
3
TA
3
FT60
FT70
100n
10n
2T51
2TB4
2T75
10n
47R
+5V-TUNER
3
T77
1
2
4
5
IT9
3
M1
8
67D
1T06
45M75
3
3
T70
4K7
100K
3
T69
4K7
3
T6
8
BC
8
47BW
7T59
IT
83
+5V-TUNER
IT
8
0
LD1117DT50C
7T54
1
3
2
3
T76
IT6
8
3
K
3
IT67
V1
2T
8
1
47p
2TA
3
100p
IT92
IT69
2TB6
10n
10n
2TB5
2T
8
9
10n
12
1
3
14
15
5
PLL
2
RF-OUT
6
S
CL
7
S
DA
9
VTU
4MHZ
8
1
APO
3
ERF-GAIN
4
FM-TRAP
GND
10
IF-OUT
11
TUNER
TD17
3
6F/FHFXP
1T04
+5V-TUNER
2K2
3
TA
2
100R
3
TA
1
FT74
FT7
3
220R
5T5
3
IT91
AT62
IT
8
9
IT90
IT60
2T
A7
1m0
10V
150p
2TB2
2T65
470n
5T55
22
u
2TA1
10n
2T
A2
22p
470R
3
T74
22
u
2T
A5
100n
2TB1
100R
3
T9
8
AT5
8
AT59
AT57
RE
S
9T6
8
FT76
FT57
3
T
8
4
220R
BC
8
47BW
7T56
3
90R
3
T5
8
10n
2T
88
100n
2T
A4
100n
44
+
3
V
3
2T91
42
3
9
26
27
29
3
0
24
2
3
47
11
4
3
1
3
12
16
2
5
8
1
8
3
5
3
7
14
45
6
7
9
10
3
4
19
38
1
20
33
17
15
21
46
4
8
40
41
22
7T57
TDA9
8
97HL/V2C
IF
PROCE
SS
ING
Φ
25
3
6
3
1
3
2
2
8
3
4
3
T59
3
K9
3
T
8
1
10n
2T90
IT79
2T92
1n5
3
T55
8
K2
IT65
IT66
2T46
10n
100K
3
T50
FT52
10n
2T
8
4
22
u
2TB
3
V2
IT75
150p
2T59
2T6
3
100n
2K7
3
T75
4n7
2T
83
FT72
IT71
IT77
+12V
IT74
3
T5
3
FT56
47R
9T52
9T51
IT76
3
T56
100R
100R
3
T57
3
T64
75R
3
p
3
2T
8
7
220R
5T54
9T57
2T
8
0
220n
AT56
33
0R
3
T54
IT7
8
2T97
100n
16V
220
u
2T99
270n
5T61
FT5
3
5T60
1
u
5
2
2T
A6
10
u
SS
24
6T01
1
2T61
100n
10n
2T45
IT6
3
2T
8
5
10n
IT62
2T64
22
u
IT
8
4
2T62
100n
FT75
3
T
83
6
8
R
4
COMP
5
FB
7
GND
3
INH
1
OUT
2
S
YNC
8
VCC
6
VREF
L5970D
7T55
IT7
3
1n5
2T9
8
RE
S
9T67
2T
8
6
3
p
3
IF-P
TDA-IF-IN-P
TDA-IF-IN-N
IF-OUT
TDA-IF-AGC
IF-OUT
IF-FILTN1
IF-FILTP1
TUN-AGC
TUN-AGC-MON
TUN-AGC
CVB
S
-BO
S
DA-
SS
B-MUX2
S
CL-
SS
B-MUX2
IF-OUT
IF-OUT
IF-FILTP
3
IF-FILTN
3
TUN-AGC
4-MHz
FM-TRAP-
S
WITCH
TUN-TDA-
S
CL
TUN-TDA-
S
DA
IF-FILTN
3
IF-FILTP
3
IF-N
S
DA-
SS
B1
S
CL-
SS
B1
IF-FILTP1
IF-FILTN 1
4-MHz
T01B
T01B
I_17500_057.ep
s
15040
8
3
1
3
9 12
3
6
3
7
3
.1