67
SCHEMATIC DIAGRAM /
原理图
TK-3178
(
L
)
X57-701 (B/4) 6/6
AD
AC
AB
AA
Z
PC
DSW
APCSW
WIDE
NARROW
ASQL
RSSI
PLLDAT
UL
PCK
THP
PLE
TX
RX
J1
PTT/RXD
MIC
MICIN
OPTDET
5MS
AE
TXD
NC
SPO
SPI
L11
L14
R220
1k
C174
470p
C196
0.047u
R206
0
C198
470p
R305
0
L16
CN18
1
GND
2
PC
3
DSW
4
APCSW
5
5T
6
5T
7
5C
8
5C
9
5R
10
NARROW
11
WIDE
12
DETAF
13
RSSI
14
ASQL
15
BPF
16
THM
17
PLE
18
PDATA
19
PCLK
20
UL
21
5MS
22
TCXO
23
MOD
24
TX
25
RX
26
GND
C177
0.1u
1
IN+
2
VSS
3
IN-
4
oUT
5
VDD
R225
150k
C175
0.01u
R224
100k
R194
1k
C154
470p
R192
100k
C150
2.2u
D30
RB706F-40
C145
470p
C155
470p
R195
1k
R193
100k
C151
2.2u
D31
RB706F-40
C148
470p
C143
1u
C142
1u
C147
470p
C146
470p
R181
0
C173
220p
C168
0.039u
R207
150k
L10
R205
1M
R210
470
R214
1.8k
C171
10u6.3
C197
470p
R202
1k
D33
AVRM16270MABB
C170
470p
C166
470p
R204
100k
R212
100
R218
0
R213
100
R203
2.2k
R198
0
Q23
Q27
RT1N441U-T111
RT1N441U-T111
C157
0.22u
1
NC1
2
VCC
3
NC2
4
VIN
5
RIPPLE
6
NF
7
PHASE
8
PRE-GND
9
PW-GND
10
PoUT
C153
1u
C149
220p
C178
1u
C201
0.22u
R259
10k
C184
2200p
SSM6J08FU(F)
Q24
R180
10k
R196
150
C162
10u6.3
C161
100p
R261
10k
R211
470k
C169
0.039u
R216
270k
R215
330k
C172
100u6.3
IC17
TK62012F
1
2
3
4
VSS
5
6
7
8
VDD
C158
0.1u
C159
100p
R200
47k
C182
680p
R199
4.7k
1
VIN1
2
VoUT1
3
VoUT2
4
VIN2
5
VDD
6
LD
7
CLK
8
DI
9
VIN3
10
VoUT3
11
VoUT4
12
VIN4
13
14
15
16
17
18
19
20
21
22
23
24
C140
0.1u
R301
0
R229
47k
C181
4.7u
R187
0
R232
82k
R184
0
R117
68k
R116
39k
R178
1k
R177
0
R174
12k
R175
10k
R191
0
R230
12k
AF MUTE
CONTROL SW
TXD
5MS
TCXO BUFFER AMP
BLU
MIC INPUT
LEVEL
DETECTOR
5MS
PTTO
D30
AF AMP
DC SUPPLY SW
PTTI
(RXD)
BLK
MIC INPUT
LEVEL
DETECTOR
AF AMP
DC SUPPLY
CONTROL SW
D31
WHT
RED
VREF
PTTI
DACLD
DACDAT
DACCLK
PTTO
TXD1
OPTDET
SURGE ABSORBER
SB
5C
5T
5R
AFCO
5MS
SB
5T
5R
5C
VIN5
VoUT5
VoUT6
VIN6
D0
VDAREF
RESET
GND
VIN7
VoUT7
VoUT8
VIN8
IC19
TC75S51FE(F)
RX BPF TUNE
VOLTAGE AMP
SSM3K01T(F)
Q28
AF MUTE SW
SSM3K01T(F)
Q35
AF MUTE SW
IC18
TA7368FG
AF AMP
2SK1830F
Q25
MIC ALC
2SJ347F
Q26
MIC ALC
IC16
M62364FP-F
D/A CONVERTER
5V
T:0V
R:5V
POWER ON:5V
OFF:0V
7.5V
7.5V
TX-RX UNIT (X57-7013-06) (B/4)