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Z
TX-RX UNIT (X57-7000-XX) (B/4)
DACCLK
DACLD
5MS
DACDAT
R116
39k
R177
0
R178
1k
R175
10k
C184
AF AMP
2200p
DC SUPPLY SW
1
R259
Q24
SSM6J08FU(F)
2
10k
3
4
R180
5
10k
Q23
DTC144EE
AF AMP
DC SUPPLY
CONTROL SW
RXD
PTT
OPTDET
TXD
C145
D30
1000p
MIC INPUT
D30
LEVEL
RB706F-40
DETECTOR
C146
R181
1000p
C147
0
1000p
D31
D31
RB706F-40
MIC INPUT
SP_M
LEVEL
C148
DETECTOR
1000p
7.5V
SB
5R
5C
5T
AA
SCHEMATIC DIAGRAM
1
24
VIN1
VIN8
2
23
VOUT1
VOUT8
3
22
R230
VOUT2
VOUT7
21
12k
4
VIN2
VIN7
5
20
1
VDD
GND
6
19
2
LD
RESET
18
7
3
CLK
VDAref
17
8
4
DI
DO
9
16
VIN3
VIN6
10
15
VOUT3
VOUT6
14
11
VOUT4
VOUT5
12
13
VIN4
VIN5
IC16
M62364FP-F
D/A CONVERTER
7.5V
AF AMP
IC18
AF MUTE SW
AF MUTE SW
TA7368F
Q35
Q28
SSM3K01T(F)
SSM3K01T(F)
10
1
PoUT
9
VCC
PW-GND
8
3
PRE-GND
7
C161
100p
VIN
PHASE
C162
6
R196
RIPPLE
NF
150
10u6.3
Q27
DTC144EE
C157
0.22u
AF MUTE
CONTROL SW
PTTI
(RXD)
PTTO
R198
R203
2.2k
0
R202
1k
L10
R207
C168
150k
0.047u
MIC ALC
Q25
2SK1830F
R194
1k
R195
1k
Q26
2SJ347F
MIC ALC
AB
TK-2170/2170ST
5MS
0
R189
R190
0
IC17
TK62012F
R199
8
VDD
1k
7
6
5
VSS
TCXO BUFFER
R232
15k
POWER ON:5V
OFF:0V
C172
100u6.3
R213
100
D33
AVRM1608270MAB
R218
0
R212
100
TXD
5V
AC
R224
100k
0.01u
C175
RX BPF TUNNE
VOLTAGE AMP
IC19
TC75S51FE(F)
4
3
oUT
IN-
2
VSS
1
5
VDD
IN+
C177
0.1u
T:0V
R:5V
E40-6420-05
RX
TX
UL
PCK
PLLDAT
PLE
THP
ASQL
RSSI
WIDE
NARROW
APCSW
DSW
PC
R220
1k
L14
X57-700 (B/4) 6/6
AD
CN18
26
GND
25
RX
24
TX
23
MOD
22
TCXO
21
5MS
20
UL
19
PCLK
18
PDATA
17
PLE
16
THM
15
BPF
14
ASQL
13
RSSI
12
DETAF
11
WIDE
10
NARROW
9
5R
8
5C
7
5C
6
5T
5
5T
4
APCSW
3
DSW
2
PC
1
GND
E37-1141-X5
J1
E11-0457-05
PTT/RXD
MIC
MICIN
OPTDET
5MS
AE
TXD
NC
SPO
SPI
RED
BLK
BLU
WHT
61
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