31
SCHEMATIC DIAGRAM
TK-3301
Note : The components marked with a dot (
•
) are parts of layer 1.
X57-777 4/4
7
6
5
4
3
2
1
T
S
R
Q
P
R390
0
C403
0.047u
C383
0.1u
C415
470p
BPF
R377
47k
Q314
RT1N441U
1 NC1
2 VCC
3 NC2
4 VIN
5 RIPPLE
6
NF
7
PHASE
8
PRE-GND
9
PW-GND
10
PoUT
J301
PTT/RXD
MIC
MICIN
OPTDET
5M
AE
TXD
NC
SPO
SPI
C388
470p
R389
0
C252
470p
L207
6.8n
C175
2p
R381
150
C393
10u
L111
270n
C369
0.1u
C168
4p
C395
220p
C376
470p
D309
KDR731
C225
0.01u
C169
2.5p
R383
56k
C402
0.1u
C399
100p
R371
2.7k
L305
MIC301
L113
4T
C170
100p
C242
12p
L115
4T
C230
0.01u
C375
470p
L212
8.2n
R388
100
R387
100k
R216
68
C234
470p
C247
1p
L114
4T
C259
2.5p
R215
820
C231
470p
C408
470p
C405
220p
C243
470p
CP203
RK75HA1J104J
L205
27n
L208
CP304
RK75HA1J102J
SB
C379
1u
L204
180n
2SK3577-A
Q315
D308
KDR731
CP201
RK75HA1J104J
C256
470p
C232
2.5p
R138
150
C404
100u6.3
R376
470
R374
15k
R375
1.8k
L209
6.8n
C173
0.5p
R220
0
C241
10u
D106
HVC131
C226
470p
R384
33k
R222
120
R219
56k
C397
0.47u
C167
470p
C155
3.5p
3SK318
Q203
D104
HVC131
R370
1k
C224
0.1u
C396
0.1u
R380
470k
C228
470p
MIC
C389
470p
2SB1694
Q313
C400
10u
R379
1k
C409
470p
R378
560
L116
1u
C250
470p
C392
0.047u
C249
13p
R140
0
5M
R137
0
C370
0.1u
C227
18p
L213
8.2n
C146
12p
R228
1k
L203
560n
C380
1u
L112
4T
C254
470p
L202
3SK318
Q204
R385
100
Q312
RT1N441U
R227
0
R218
56k
C245
1p
C253
470p
CN2
C177
2.5p
C172
5p
C178
4p
C176
6p
C174
6p
C162
2p
C166
6p
C164
3.5p
C161
1p
C142
33p
R230
0
R231
0
L210
270n
R223
150
R225
56k
R226
0
C257
8p
C261
4.5p
C264
3.5p
C265
3.5p
L214
47n
C266
5p
C263
5p
C411
470p
PTT
SB
5R
5M
MIC
D308,309
DC SW
DC SW
MIXER
SB
MIC_MUTE
RECTIFICATION
SB
AFVOLOUT
TXD
ANT
OPTDET
AFVOLOUT
MUTE SW
STRIP LINE
5T
MUTE SW
AF_CONT
5T
ANT SW
ANT SW
LOW NOISE AMP
Q204
IC309
TA7368FG
AUDIO AMP
KTC4075E(Y,GR)
Q308
RECTIFICATION
2SC4116(GR)F
Q310
2SA1586(Y,GR)F
Q311
MIC MUTE
MIC MUTE
D103
HSC277
ANT SW
2SK3577-A
Q316
MUTE SW
R:1.70V
R:0.3V(MUTE ON)
7.48(MUTE OFF)
T:0.3V
R:0.26V
R:4.8V
R:1.69V
R:4.85V
T:0.01V
R:4.36V
R:4.84V
R:1.72V
R:4.85V
R:0.61V
R:7.49V(MUTE ON)
0.15V(MUTE OFF)
T:7.36V
TX-RX UNIT (X57-7772-70)