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A
!
B
5V
SCL1
SDA1
C
D
E
TH-42PA20B/E
TU-Board Schematic Diagram
1
TU-BOARD TXNTU1QCSE
C022
C023
L011
16V
6.3V
0.015u
0.47u
1000u
L001
C012
C003
TNR001
0.015u
16V
6.3V
!
E-MODEL:
ENG29526G
0.47u
1000u
B-MODEL:ENG27519G
TP001
AGC
C001
C009
1
TU
50V
16V
10u
0.1u
2
ADD
L002
3
G1C121Z00004
SCL
4
SDA
L003
5
G1C121Z00004
NC
6
30V
V SUPPLY
5V
L004
7
4MHz OUT
G1C121Z00004
L008
C005
8
BTL
30V
EXC3BB221H
16V
0.1u
9
NC
C008
C002
50V
50V
JS006
0
10
0.1u
10u
IF1
E-MODEL only
11
L007
IF IN
J0JCC0000241
AM
L005
12
G1C121Z00004
BV
5V
13
R003
C010
AM
4.7k
C006
16V
16V
14
0.1u
SWITCHING
GND
0.1u
AFT1
15
AFT
R005
R006
68k
16
Q001
68k
RF AGC
D005
MA3X152K0L
MSB709-T1
JS012
17
0
VIDEO
JS002
18
0
D001
D002
SDA
MAZ402000F
MAZ402000F
19
R001
SCL
E-MODEL:15k
JS003
20
B-MODEL:0
MSP
MSP
0
21
L006
JS021
E-MODEL only
4MHz IN
J0JCC0000241
0
22
R004
E-MODEL:560
B-MODEL:0
C011
16V
L009
0.1u
G0B181Y00001
V1
4
1
R002
220
V1_GND
JS001
0
3
2
BUFFER
BALLAN
E-MODEL only
Q002
MSB709-T1
Q002A
E-MODEL only
R007
B1ABCC000004
JS011 0
E-MODEL:0
B-MODEL only
B-MODEL only
B-MODEL:560
BUFFER
2
1
ZA002
K4ZZ01000121
ZA001
K4ZZ01000121
2
3
T10
1
PACHI_GND
SCL1
2
SCL
3
PACHI_GND
SDA1
4
SDA
5V
5
SUB5V
6
MAIN5V
7
30V
8
30V
9
GND
10
GND
11
GND
AM
12
AM
13
GND
AFT1
14
AFT1
15
GND
16
L/L1
17
GND
18
P/N1
19
GND
V1_GND
20
V_GND
21
GND
V1
22
VIDEO
23
RFAGC1
MSP
24
MSP
4
5
TH-42PA20B/E
TU-Board Schematic Diagram
6
7
8
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