Table of Contents
Advertisement
P
TX-RX UNIT (X57-7012-72) (B/4)
TX
LSDOUT
OPTDET
DACCLK
RXD
TXD
DACLD
BEEP
SHIFT/MODEL
PTT
XIN
XOUT
AM2
DACDAT
HSDIN
HSDO
MDSW
EEPROM
IC9
CAT24WC64WI
1
8
A0
VCC
2
7
A1
WP
3
6
A2
SCL
4
5
VSS
SDA
EEPDAT
EEPCL
TK62012F
1
2
3
C61
4
VSS
0.1u
LSDIN
DET AMP / VREF
RX DET MUTE
RSSI
CONTROL VOLTAGE
DISCHARGE
VOXIN
D17
MA2S111
R84
180k
DMUTE
FLASH
MEMORY
VOXMUTE
OPST
MMUTE
AQSFT
SP_M
STSW
RXD
TXD
5MS
SB
5R
5C
5T
SSB
Q
SCHEMATIC DIAGRAM
CPU CLOCK
SHIFT SW
Q17
2SC4649(N,P)
R96
1k
IC10
8
VDD
7
6
5
RX AF MUTE
Q14
SSM3K15TE(F)
AF REFERENCE
VOLTAGE BIAS SUPPLY
D28
RB706F-40
R93
39k
C423
4.7u
R
HSDIN
C77
R103
1M
0.015u
LSD FILTER
IC11
TK62012F
5V
1
8
C85
VDD
0.012u
C73
2
7
3
47p
R114
6
180k
4
5
VSS
C93
1u
R137
22k
DI9
R159
C129
R109
R106
47k
680k
1u
470k
TX SUM AMP
IC12
TK62012F
1
8
VDD
2
R143
7
3
6
47k
4
5
VSS
C107
0.1u
R100
R104
C78
22k
10k
220p
R101
R105
10k
4.7k
Q33
2SJ347F
C104
C96
C91
R125
C90
R115
C189
5V
7.4V
CN60
E40-5932-05
S
TK-3170
C130
0.1u
AF SW
SPLI
IC14
TC7W53FK(F)
C117
1
8
CoMMoN
VCC
1u
2
7
INH
CH0
3
6
VEE
CH1
4
5
GND
A
R144
4.7k
RX HSD FILTER
R140
IC15
TK62012F
1k
1
8
VDD
C114
2
7
3
6
0.1u
4
5
VSS
TX HSD
SIDE TONE
MUTE
R245
10k
C81
0.1u
0.1u
1u
0.1u
1.5k
0.1u
10k
0.1u
STSW
X57-701 (B/4) 4/6
T
OPTDET
DACCLK
RXD
TXD
DACLD
PTT
AM2
DACDAT
EXTLIMIN
TX
R171
0
FILTERO
VOXMUTE
OPST
MMUTE
AQSFT
SP_M
5MS
SB
5R
5C
5T
29
Advertisement
Table of Contents
