MAIN UNIT
(2/3)
MAIN UNIT
(3/3)
Explanatory notes
RX Line
TX Line
Voltage Line (VCC)
Voltage Line (+3.3V)
TX : 0.8 V
RX : 1.0 V
TX : 4.3 V
RX : 4.3 V
TX : 0.3 V
RX : 0.3 V
At RX frequency:
136.05 MHz: 0.8 V
146.05 MHz: 1.4 V
155.05 MHz: 1.9 V
173.95 MHz: 2.9 V
1.33 Vp-p
13 MHz
2.9 V
2.9 V
2.9 V
TX : 0.8 V
RX : 0 V
TX : 1.7 V
RX : 0 V
TX : 7.1 V
RX : 7.5 V
TX : 7.1 V
RX : 7.5 V
TX : 1.0 V
RX : 0 V
TX : 0.6 V
RX : 0 V
TX : 0.2 V
RX : 0 V
At TX output power:
Extra high: 1.7 V
High: 1.5 V
Middle: 1.4 V
Low: 1.2 V
At TX output power:
Extra high: 0.7 V
High: 0.5 V
Middle: 0.3 V
Low: 0.1 V
At TX output power:
Extra high: 2.3 V
High: 1.9 V
Middle: 1.3 V
Low: 0.7 V
TX : 0.2 V
RX : 3.3 V
TX : 3.0 V
RX : 0 V
DRIVER
Pre
DRIVER
13 MHz TCXO
PA
TEMPERATURE
APC
TX MUTE
TX
RX
MPZ1608S221A
EP4
4.7
R42
AVR-M1005C270M
D3
MMZ1005Y102CT
EP3
VCC
RD08MUS2
Q9
2SC5108
Q8
AT1846S
IC3
1
AVDD
2
SCLK
3
SDIO
4
AVDD
5
XTAL1
6
XTAL2
7
MODE
8
SENB
9
AFOUT
10
NC
11
MIC_IN
12
CC
13
AVDD
14
NC
15
RFIN
16
AVDD
17
NC
18
RFOUT
19
NC
20
NC
21
AVDD
22
PABIAS
23
AVDD
24
PDN
25
GPIO7
26
GPIO6
27
GPIO5
28
GPIO4
29
GPIO3
30
GPIO2
31
GPIO1
32
GPIO0
33
GND
CP06S
CP4
RD01MUS2B
Q7
16.1N
L6
L16
45.3N
45.3N
L15
27.2N
L17
T5V
150P
C38
100P
C46
CP06S
CP2
45.3N
L10
L9
5.8N
10.3N
L7
4.7U
L11
S5V
10P
C20
CP06S
CP1
CP06S
CP3
0.001
C84
1SV305
D5
100P
C82
1SV305
D4
100P
C68
1
C36
DTC014YEB
Q2
L1SS400
D2
+3.3V
S5V
T5V
+3.3V
VCC
2SC5108
Q6
0.001
C19
0.001
C22
0.001
C35
0.001
C42
0.001
C45
0.001
C47
0.001
C49
0.001
C53
0.001
C54
0.001
C64
0.001
C79
0.001
C29
1
C25
CP06S
CP6
CP06S
CP5
ERTJ0EP473J
R1
100k
R2
RUM002N02
Q10
0.1
C71
0.1
C24
0.1
C28
0.1
C32
0.1
C33
0.1
C23
0.001
C58
47k
R67
R14
33k
L1SS400
D12
4.7k
R18
4.7k
R19
100
R36
R38
10
1k
R56
22
R51
R44
33k
47k
R33
47
R24
R37
6.8k
68k
R60
68
R41
D9
RB751CM
RN142SM
D8
DTA014EEB
Q4
10U
L19
12P
C94
18P
C93
220
R46
R53
82k
22N
L4
15P
C57
4P
C65
47P
C52
1k
R27
CP06S
CP7
CP06S
CP8
1
C109
1
C110
0.1
C115
0.001
C116
0.1
C117
0.001
C118
0.001
C73
22P
C81
82P
C59
18P
C76
47P
C67
18P
C69
4.7U
L22
0.001
C113
33P
C114
0
R8
8P
C101
270
R58
270
R59
27N
L3
2P
C120
2P
C122
4066
MP5
MP6
4066
CR-1079
X2
1
GND
2
GND
3
OUT
4
VCC
0.1U
L5
RN142SM
D6
RN142SM
D13
0
R11
22k
R48
R30
1k
12k
R23
R26
150k
2P
C124
4066
MP1
1
2
3
4
2.2k
R55
2.2k
R57
RN142SM
D7
0.1
C26
100
R47
4.7k
R52
6.8k
R32
R16
150k
R17
68k
10P
C90
5P
C75
180k
R49
180k
R50
47N
L12
47N
L8
22P
C62
15P
C86
10
C37
22
R45
27N
L13
0.15
R4
2
3
1
NJM12904R
IC1
V+
8
GND
4
NJM12904R
IC1
NJM12904R
IC1
6
5
7
18P
C89
1P
C88
27P
C95
150k
R10
150k
R12
18.0k
R13
18.0k
R28
470k
R21
470k
R20
RFPWR
TMUT
ATSQ
ATSQ
ATDTMF
ATDTMF
ATCTS
ATCTS
MICIN
AFO
ATSCK
TEMP
RFPWR
ATDTMF
TMUT
ATSQ
ATCTS
ATSDA
ATSCK
ATSDA
TEMP
RFPWR
MICIN
AFO
APCV
S5V
APCSW
+3.3V
+3.3V
VCC
VCC
T5V
T5V
SECTION 9
VOLTAGE DIAGRAM
* Refer to the PARTS LIST for the value and name of component.
9-1
• MAIN UNIT (1/3)