Kenwood TK-3170 Series Service Manual page 33

K
TK-3170/3173
TX-RX UNIT (X57-7010-XX) (B/4)
TX
VOLIN
EN2
SFTOE
RESET
INT
LEDR
LEDG
5M
CP3 1k*2
PTT
R45
AUX
1k
CP4 1k*2
CP5 1k*4
AFDAT
AFDIO
AFDIR
DTRLOAD
CP7
1k*2
AFSTD
SCLK
CP8 1k*2
EN4
EN3
EN1
LCDDAT
LCDCLK
CP10
1k*4
LCDINH
R48 47k
R46
1k
LCDCE
C47
1u
SFTSTB
CLK
DATA
BATT
VOXMUTE
OPST
MMUTE
AQSFT
SP_M
STSW
5TC
5MS
SB
5R
5C
5T
SSB
5RC
30
X57-701 (B/4) 3/6
L
SCHEMATIC DIAGRAM
C72
1200p
CP19
47k*2
33
TXD
34
VCC1
35
RXD
C46
36
DGND
37
470p
DACCLK
38
AUX
39
TXD2
40
RXD2
41
AFDAT
42
AFDIO
43
AFDIR
44
DTRLOAD
45
AFSTD
46
SCLK
47
RDY
48
ALE
R50
49
HOLD
50
47k
HLDA
51
EN4
52
EN3
53
5TC
R222
54
EN1
R51
1k 55
BCLK
56
47k
RD
57
BHE
R52
58
WR
47k 59
APCSW
60
DSW
61
LCDINH
62
LCDDAT
63
LCDCLK
64
SIM/LCDCE
M
R66
47k
C48
470p
128
KEY1
127
AVCC
126
VREF
125
LSDIN
124
AGND
123
BATTLVL
122
RSSI
121
ASQL
120
VOXIN
119
VOLIN
118
THP
117
BATTSEL
116
AUX4
115
AUX5
114
MICROPROCESSOR
AUX2
113
IC7 AUX6
112
30625MGP234HU AUX1
111
AUX3
110
CK
109
DT
108
D0
107
D1
106
D2
105
D3
104
D4
103
D5
102
D6
101
D7
100
KEY4O
99
KEY3O
98
KEY2O
97
KEY1O
5RC
N O
PC
R83 0
L8
RSSI
ASQL
THP
R76 1k
SEL
CP45
1k*2
AUX4
AUX5
R77 1k
AUX2
1k
R78
AUX6
R79 1k
AUX1
R80 1k
AUX3
CP46
1k*2
CP50
1k*2
D0
D1
D2
D3
CP48
CP47 1k*4
1k*2
D4
D5
D6
D7
CP49
1k*4
KEY4O
KEY3O
KEY2O
KEY1O
D14
*
D15
*
D16 MA2S111-F
RADIO
STATE
DETECTOR
CLK
DATA
BATT
X57-7010-XX D14
-10 K TK-3170 (4KEY) MA2S111-F
-11 K4 TK-3170 (16KEY) MA2S111-F
-12 K3 TK-3170 (4KEY) MA2S111-F
-13 K6 TK-3170 (16KEY) MA2S111-F
-14 K TK-3173 (4KEY) MA2S111-F MA2S111-F
-15 K4 TK-3173 (16KEY) MA2S111-F MA2S111-F
-21 M TK-3170 (16KEY) NO MA2S111-F
-22 M3 TK-3170 (16KEY) NO MA2S111-F
TX
LSDOUT
OPTDET
DACCLK
RXD
TXD
DACLD
BEEP
SHIFT/MODEL
PTT
XIN
XOUT
AM2
DACDAT
HSDIN
HSDO
MDSW
EEPDAT
EEPCL
LSDIN
RSSI
VOXIN
DMUTE
VOXMUTE
OPST
MMUTE
AQSFT
SP_M
STSW
RXD
TXD
5MS
SB
5R
5C
5T
SSB
D15
NO
NO
NO
NO