Table of Contents
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A-BOARD
!
IC851
TUNER 30V
3
5
4
Q852
9V
1
IC803
8V
3
1
IN
OUT
COMMON
2
5V
2
STB_5V
3
15V
4
STB_3.3V
5
1.5V
6
STB_2.5V
7
TX-22LT3 Power Block Diagram
!
A7
B2
2
5V
2
A6
B1
8
30V
8
5V
6
6
Q851
IC4110
IC2501
MSP
SW
39
11 12
13
65
66
80
14
B-BOARD
TO PD5
(PF-BOARD)
TNR001
TUNER
BTL
V SUPPLY
BV
A2
9V
15
IC4002
9V
17
OP AMP
V+
8
STB 5V
18
5V
19
5V
20
5V
21
5V
22
15V
4
15V
5
15V
6
15V
7
15V
8
15V
9
STB 3.3V
23
STB 3.3V
25
A3
1.5V
5
1.5V
6
STB 2.5V
2
STB 2.5V
3
DG3
15V
18
15V
17
15V
16
15V
15
15V
14
15V
13
5V
7
5V
6
DG2
11
9
9V
8
7
6
5
4
22
21
20
19
18
17
3
1
DG1
46
45
49
48
Q9029
IC9
INVE
SW
Q9030
3.3V
Q9031
SW
Q9032
IC9
BU
IC1001
MCU
92
MAIN POW
14
32 42
53
61 69
8
IC1008
16M FLASH
6
37 47
IC9007
A/D
35 49
1
IC9003
AVR 3.3V
1
4
5
IC9004
AVR 3.3V
1
4
5
IC9008
AVR 3.3V
2
1
Q
27
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