27
SCHEMATIC DIAGRAM
TK-2202L
T
S
R
Q
P
1
2
3
4
5
6
7
2SK3577-A
Q306
SP MUTE SW
L118
7T
R334
47k
Q305
DTC144EE
C269
33p
C238
12p
R220
560
C157
15p
R239
47
L302
L203
C263
10p
C338
100p
C267
3p
R343
470k
R336
1k
R348
56k
C270
4p
C154
10p
C155
18p
R339
470
R346
100
R350
0
R233
220
L117
7T
BPF
R227
0
R291
0
C159
7p
L119
6T
C248
27p
C348
470p
R243
0
R341
10k
R345
100
C156
12p
C268
3p
R240
0
C151
1000p
C271
11p
R344
1k
L301
C243
1000p
C236
1000p
C346
1000p
C265
33p
C245
470p
C254
27p
R337
100
L114
5T
C153
10p
L111
1u
IC302
TA7368FG
1
NC1
2
VCC
3
NC2
4
VIN
5
RIPPLE
6
7
8
9
10
CN201
E23-1278-05
ANT SW
ANT SW
TXD
SB
5M
5T
PTTSW
ANT SW
CN13
RX LO1
RF AMP
AF_CONT
OPTDET
PCTV
ANT
5R
SP2
DC SW/SP MUTE
AF AMP
NF
PHASE
PRE-GND
PW-GND
PoUT
2SA1362(GR)-F
Q304
DC SW
PTT/RXD
MIC
MICIN
OPTDET
5MS
AE
TXD
NC
SPO
SPI
RF BPF TUNING
D205,206
L113
3T
L112
9T
C130
10p
L115
3T
C132
1000p
L108
C134
0.1u
C137
0.01u
C135
1u
D103
HVC131
D104
HVC131
ANT SW
L109
2.2u
C143
10p
C147
1000p
R136
270
R137
270
C149
22p
L116
8T
C158
22p
D106
HVC131
D105
HVC131
C150
22p
L110
56n
C160
33p
C232
0.01u
R221
1k
L206
180n
C244
4p(B)
R225
82k
R223
82k
C280
1000p
C234
0.01u
L204
560n
3SK318
Q204
MIXER
C242
0.1u
R222
220
C241
1000p
L207
150n
R226
82k
R224
82k
L210
C252
1000p
C251
4.7u6.3
L209
56n
C247
4p
D203
1SV305F
D204
1SV305F
C253
4.5p
C250
4p
R229
1.0M
R228
1.0M
C249
1000p
D203,204
RF BPF TUNING
C255
4.5p
C258
1000p
C260
1000p
R238
100k
R231
47
3SK318
Q205
C266
1000p
C334
0.1u
C336
0.47u
C335
220p
R335
2.2k
Q303
DTC144EE
DC SW/SP MUTE
C339
10u6.3
C341
0.047u
R342
10
C343
0.047u
2SK3577-A
Q316
SP MUTE SW
C345
100u6.3
C342
10u6.3
R340
1.8k
C344
220p
R347
100k
J301
E11-0707-05
MIC301
T91-0649-15
C340
0.1u
R349
33k
C262
1000p
R234
100k
R237
180k
C256
L211
56n
R230
2.2k
1000p
C264
4p
L213
56n
R242
1.0M
L214
47n
R241
1.0M
D205
1SV305F
D206
1SV305F
C136
27p
C142
15p
C145
7p
C139
68p
C141
22p
C144
82p
R:0.3V(MUTE ON)
7.3V(MUTE OFF)
T:0.3V
R:7.52V
T:7.31V
R:1.76V
R:4.92V
R:4.8V
R:0.75V
R:2.48V
R:2.48V
R:4.98V
R:0.99V
R:7.3V(MUTE ON)
0.3V(MUTE OFF)
T:7.3V
X57-687 4/4
TX-RX UNIT (X57-6870-21)
Note : The components marked with a dot (
●
) are parts of layer 1.