Kenwood TK-3170 E3 - Page 33

TK-3170 SCHEMATIC DIAGRAM
30
X57-701 (B/4) 5/6
U V W X Y
TX-RX UNIT (X57-7012-72) (B/4)
A
C95
0.22u
DTRLOAD
R226
180k
R162
120k
SSM3K15TE(F)
Q19
SSM3K15TE(F)
Q22
C134
0.047u
R239
100k
C186
27p
R242
100k
C192
1000p
C112
68p
AFDIO
SCLK
R146
1M
R157
300k
SSM3K15TE(F)
Q34
C108
1u
R167
0
R160
220k
R151
18k
R161 120k
C110
470p
C82
100p
R113
0
R247
180k
C187
0.01u
R183
10k
R129
1M
R131
0
R241
47k
R168
470k
R132
0
C122
470p
C84
470p
C89
1p
C88
1p
C120
2.2u
C135
1u
R112
330k
R240
470k
C176
0.22u
C99
4.7u
TCLK/DTRDO
C131
820p
R251 470k
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
R130
470k
R164
180k
R244 47k
C121
0.039u
C116
22p
C102
0.01u
R141
1M
AFDAT
AFSTD
R163
39k
R176
68k
R243
470k
L13
C185
0.01u
R155
22k
R170
0
C106
470p
R165
150k
C200
0.1u
AFRTM
R150
15k
R145
150k
R149
1M
R156
300k
C118
0.1u
AFDIR
R246
22k
R119
100
C109
10p
C183
470p
C100
4.7u
C113
0.1u
C188
27p
R169
22k
L12
R158
330k
C133
4.7u
R142
22k
C191 470p
R111
560k
C137
470p
C126
47p
C125
0.1u
R236
120k
C123
68p
C127
180p
5T
EXT. ALERT
INPUT ATT SW
SPLO
OPTDET
TX
AUDIO PROCESSOR
5MS
DACDAT
VOX AMP
GAIN LIMITER
SP_M
AUDIO PROCESSOR
CLOCK SHIFT SW
TXD
5C
MIC
MUTE
SW
AF MUTE SW
MMUTE
OPST
5R
AQSFT
EXTLIMIN
SB
AM2
FILTERO
PTT
DACLD
VOX LEVEL
TECTOR
CONTROL SW
RXD
DACCLK
OPST
5MS
Q31,32
VOXMUTE
MMUTE
R238
470k
RB706F-40
D29
VOX LEVEL
DETECTOR
D32
DA221
2SC4649(N,P)
Q31
2SC4649(N,P)
Q32
X2
3.6864MHz
L77-1976-05
AGNDIN
TXIN
TXINO
LIMLV
EXTLIMIN
MOD
VDD
DTRLOADN
STD
RXAF
RXAFIN
EXPOUT
FILTERO
RXINO
RXIN
AGND
IC13
AQUA-L
SB
5R
RXD
OPTDET
TXD
PTT
5C
SP_M
5T
2SJ243
Q30
Q21
RN4910(F)
AF SW
5MS
DACCLK
DACDAT
DACLD
PTT
RXD
TXD
OPTDET
7.5V
POWER ON:5V
OFF:0V