78
TH-D72A/D72E
SCHEMATIC DIAGRAM
X57-784 (C/3) 5/8
U
V
W
X
Y
2.8V
3.8V
4.4V
2.5V
4.4V
3.2V
2.0V
3.4V
4.3V
4.4V
3.2V
1.8V
AGC
45RVA
45RVB
45RUB
AGC
45RUA
45RVB
45RUB
45RVA
45RUA
VAIP
VAIP
UAIP
UAIP
C169
27p
C167
15p
C168
180p
C165
82p
C163
1000p
L75
270n
L82
56n
L79
56n
L78
15n
C164
2p
C161
56p
C159
470p
L74
39n
C166
3p
3SK318
Q11
3SK318
Q10
C142
1000p
R99
3
30
R108
100k
R116
82k
R109
180k
R117
150k
C150
1000p
R98
6
80
C136
1000p
C151
1000p
C137
1000p
L62
15n
D42
1SV325F
D43
1SV325F
R92
100k
L51
18n
D33
1SV325F
D32
1SV325F
C123
5p
C130
7p
D41
BBY65-02V
D39
BBY65-02V
D31
BBY65-02V
L60
15n
D30
BBY65-02V
R86
100k
3SK318
Q13
R89
100k
C155
1000p
R101
3
30
C144
1000p
R114
100k
C158
1000p
L76
270n
R115
390k
R100
560
L64
15n
R119
150k
C154
1000p
D35
1SV325F
L53
18n
R118
120k
R97
100k
D44
1SV325F
C118
1000p
C141
1000p
D36
1SV325F
D45
1SV325F
C149
1000p
R106
100k
R113
68k
C140
470p
C148
470p
R95
120
C129
470p
C132
470p
C147
470p
R91
100k
R96
1.5k
R105
100k
R112
82k
C120
2p
C115
470p
R85
100k
C117
470p
3SK318
Q9
R111
22k
R110
33k
C116
470p
D29
BBY65-02V
C122
5p
C145
470p
R90
100k
C114
470p
C131
470p
C152
470p
R84
100k
R103
100k
C138
470p
D38
BBY65-02V
D28
BBY65-02V
R94
1.5k
C146
470p
R93
8
2
C127
7p
L59
15n
D40
BBY65-02V
L73
33n
R104
180k
L83
330n
L80
390n
L54
390n
L58
390n
C119
1000p
C160
470p
C121
2p
C126
470p
C162
1000p
R122
10
R123
10
R126
10
R129
10
L52
56n
L70
6
8n
L72
6
8n
L56
56n
L77
18n
L68
220n
L50
12n
L66
220n
L49
12n
2SK1830F
Q15
2SK1830F
Q12
2SK1830F
Q14
2SK1830F
Q16
C157
1000p
C153
470p
C170
470p
C171
1.5p
R133 0
R134 0
L81
15n
VAIP
VHF_A
VHF_B
UHF_A
UHF_B
UAIP
BPFA
BPFB
BPFB
BPFB
BPFA
BPFA
BPFA
BPFB
VAIP
VHF RX
UHF RX
RF AMP
Q11
SWITCH
D35,36
D44,45
Q13
D39,41
Q10
SWITCH
D30,31
D28,29
D38,40
SWITCH
Q9
RF AMP
D32,33
D42,43
+B
BPFB
BPFA
BPFB
BPFA
LDB
LDB
BPF TUNING
BPF TUNING
BPF TUNING
BPF TUNING
BPF TUNING
BPF TUNING
BPF TUNING
BPF TUNING
SWITCH
RF AMP
RF AMP
+B
33CRF
33CRF
TX-RX UNIT (X57-784X-XX) (C/3) : TX-RX SECTION