TK-3170/3173
SCHEMATIC DIAGRAM
62
U
V
W
X
Y
A
C112
68p
C188
27p
C106
470p
R130
470k
C108
1u
330k
120k
R158
330k
R150
15k
C88
1p
R145
150k
C125
0.1u
R146
1M
C186
27p
R142
22k
C137
470p
R160
220k
R169
22k
DTRLOAD
R244
47k
R165
150k
R236
120k
R226
180k
AFRTM
C122
470p
C200
0.1u
C123
68p
R176
68k
TCLK/DTRDO
C109
10p
C99
4.7u
C89
1p
R157
300k
C113
0.1u
C183
470p
C84
470p
C176
0.22u
AFDAT
AFDIO
R243
470k
R156
300k
R183
10k
AFDIR
R168
470k
SCLK
AFSTD
C95
0.22u
R170
0
R164
180k
C127
180p
R155
22k
1
2
3
4
5
6
7
8
9
10
TCLK/DTRDO
11
TDATA/DTRCLK
12
DI/O
13
RDF/FD
14
SCLK
15
DIR
16
XOUT
17
XIN
18
VSS
19
AMP3P
20
AMP3N
21
AMP3O
22
AMP4P
23
AMP4N
24
AMP4O
25
DTRAIN
26
27
28
29
30
31
32
R141
1M
C116
22p
C192
1000p
R241
47k
R242
100k
R113
0
R131
0
C126
47p
R251
470k
L12
R119
100
R151
18k
L13
C110
470p
C82
100p
C187
0.01u
R132
0
R163
39k
C185
0.01u
R246
22k
C100
4.7u
R240
470k
C135
1u
C121
0.039u
R167
0
C191
470p
C118
0.1u
R239
100k
R149
1M
560k
C102
0.01u
R129
1M
R247
180k
SSM3K15TE(F)
Q22
C133
4.7u
SSM3K15TE(F)
Q19
VOX AMP
GAIN LIMITER
VOX LEVEL
TECTOR
CONTROL SW
SPLO
SB
5C
OPTDET
5MS
RXD
5C
MMUTE
VOXMUTE
5MS
SP_M
5R
SB
5T
OPST
AQSFT
PTT
RXD
RXD
DACDAT
OPTDET
TXD
DACLD
FILTERO
OPTDET
TXD
TX
DACCLK
AM2
PTT
EXT. ALERT
INPUT ATT SW
PTT
5T
5R
MIC
MUTE
SW
SP_M
OPST
MMUTE
AF MUTE SW
TXD
EXTLIMIN
Q21
RN4910(F)
AF SW
X2
3.6864MHz
L77-1976-05
2SC4649(N,P)
Q32
2SC4649(N,P)
Q31
Q31,32
AUDIO PROCESSOR
CLOCK SHIFT SW
D29
RB706F-40
VOX LEVEL
DETECTOR
D32
DA221
SSM3K15TE(F)
Q34
120k
2.2u
R112
R162
R111
R161
C120
A
GNDIN
TXIN
TXINO
LIML
V
EXTLIMIN
MOD
VDD
DTRLO
ADN
STD
RXAF
RXAFIN
EXPOUT
FILTERO
RXINO
RXIN
AGND
IC13
AQUA-L
AUDIO PROCESSOR
2SJ243
Q30
C134
0.047u
C131
820p
5MS
DACCLK
DACDAT
DACLD
POWER ON:5V
OFF:0V
7.5V
X57-701 (B/4) 5/6
TX-RX UNIT (X57-7010-XX) (B/4)