![background image](http://html2.mh-extra.com/html/icom/d-star-id-31a-d-star-id-31e/d-star-id-31a-d-star-id-31e_service-manual_3496302036.webp)
11 - 1
SECTION 11. VOLTAGE
DIAGRAM
• LOGIC UNIT (1/2)
EXT:12.93V
3.30V
3.31V
3.31V
BAT:3.29V
EXT:0V
BAT:7.25V
EXT:0V
ON:3.26V
OFF:0V
ON:3.26V
OFF:0V
0.42V
0.48V
1.82V
3.29V
ON:3.29V
OFF:0V
1.78V
3.29V
BAT:7.25V
EXT:13.18V
1.82V
3.31V
3.29V
3.27V
2.63V
Busy:3.29V
Mute:0V
TX:3.29V
RX:0V
3.31V
D4
L1SS400
0.0047
C62
R68
3.9k
DRC9143Z0
Q24
100k
R2
12k
R104
470P
C84
100
R84
1k
R42
10P
C22
0.001
C41
CP13
CP06S
LDTC144EE
Q8
47k
R102
1
C76
0.1
C95
2SC4738
Q13
L1SS400
*D10
L1SS400
D21
1k
R99
0.001
C100
DS6
CP21
100k
R264
100
R14
R70
NTCG10
0.001
C96
R52
10k
MMZ1005S601CT
EP4
HSJ1621-019011
J4
0.001
C38
0.0039
C78
10
C507
1.8k
R25
0
R279
FGS4ER
IC1
2
RF_IN
3
GND
4
DR_I2C_CLK
5
DR_I2C_DIO
6
WAKEUP
7
VDDREG
8
RX
9
TX
10
ON_OFF
11
nSRESET
12
Timemark
1
GND
13
14
15
16
10k
R58
18k
R101
47k
R61
1.8k
R17
EVQPQHB55
S4
27P
C83
47k
R10
CP11
L1SS400
*D9
EVQPQHB55
S7
10
C505
0.001
C90
1
C98
47k
R97
MMZ1005Y102CT
EP2
CP06S
CP26
M24M01
IC3
1
DU
2
E1
3
E2
4
VSS
5
SDA
6
SCL
7
WC
8
VCC
0.01
C94
*D7
L1SS400
0.001
C77
47k
R80
10
C524
22P
C29
100k
R36
100k
R88
470k
R273
10
C504
100k
R30
Q7
LDTC144EE
0.1
C208
CP06S
CP32
R71
100k
100k
0.001
C40
J1
1
C99
0
R92
0.01
C35
0.22
C20
CP1
68P
C87
0.001
C92
R85
220k
0.0047
C74
CP06S
CP27
2SA1832
Q11
1k
R44
S-35390A
IC4
1
INT1
2
XOUT
3
XIN
4
VSS
5
INT2
6
SCL
7
SDA
8
VDD
L1SS400
D13
R86
12k
S-80929CNPF
IC22
1
VSS
2
OUT
3
CD
4
VDD
47k
R60
330k
R107
2.2k
R33
1
C214
CP12
R95
4.7k
100k
R98
1k
R105
CP06S
CP30
EVQPQHB55
S9
1.8k
R23
D3
L1SS400
R74
10
*D8
L1SS400
DZ2J082M
D22
10k
R103
R51
10k
HVC376B
D18
47k
R11
CR-925
X1
R65
39k
10k
R47
1.8k
R27
0.001
C33
0
R15
L1SS400
D15
47k
R8
R75
1M
CP22
CP06S
10M
R280
0.0047
C58
0.22
C18
CP19
4P
C86
47k
R35
CP2
EVQPQHB55
S8
J3
1
DAT2
2
CD/DAT3
3
CMD
4
VDD
5
CLK
6
VSS
7
DAT0
8
DAT1
11
11
9
CDA
10
CDB
LDTA123YET
Q3
10
C506
0.01
C88
CP16
0.001
C97
100
R16
C101
10 MSVA
0.001
C89
CR-924
X2
CP20
CP4
MAX3221IPWR
IC2
1
EN
2
C1+
3
V+
4
C1-
5
C2+
6
C2-
7
V-
8
RIN
9
ROUT
10
INVALID
11
DIN
12
FORCEON
13
DOUT
14
GND
15
VCC
16
FORCEOFF
CP15
0.001
C64
100k
R76
0.0047
C61
EVQPQHB55
S11
SN74AUP1T17DCKR
IC21
1
2
3
4
5
0
R255
47k
R12
0.0047
C56
R5
1k
0.1
C43
2.2M
R244
10k
R57
10k
R49
0.01
C45
F082EN7510W
S12
1
COM
2
A
3
B
4
COM
5
A
6
B
R63
1k
L1SS400
D35
CP3
*D5
L1SS400
CP17
L1SS400
D16
Q10
2SA1588
100k
R6
100k
R66
150
R72
MMZ1005Y102CT
EP5
1k
R40
CP06S
CP24
0
R7
330
R73
MMZ1005Y102CT
EP3
EVQPQHB55
S5
D2
L1SS400
1k
R39
0.0047
C51
CP06S
CP25
0.001
C44
S-812C33AUA
IC9
I
O
G
R38
1k
R77
12k
L1SS400
*D12
0.001
C212
D1
L1SS400
MMZ1005Y102CT
EP1
47k
R79
L1SS400
D34
DA2S10100L
D23
VC060303A100RP
D33
470k
R274
0.033
C80
4.7
C34
0.01
C85
0.1
C211
LDTC144EE
Q9
CP10
0.0047
C59
100
R22
1k
R64
100k
R56
2SK3019
Q25
100
R24
100
R21
100k
R9
EVQPQHB55
S3
2SC4738
Q12
CP06S
CP28
4.7k
R59
CP6
47k
R54
SN74LVC2GU04DCKR
IC8
1
1A
2
GND
3
2A
4
2Y
5
VCC
6
1Y
R69
10k
0.001
C24
NFM18PC104R1C3
C500
CP06S
CP31
*D6
L1SS400
1
C28
CP8
L1SS400
D17
10k
R55
NSSW208
DS1
CP7
270
R18
0.001
C213
0.1
C48
100k
R4
0.001
C102
CP9
2.2k
R34
10P
C7
220k
R278
EVQPQHB55
S10
VC060303A100RP
D32
0.0022
C52
68k
R108
R41
1k
0.1
C69
10
C523
47k
R13
DS5
0.0047
C72
R94
47k
100P
C501
EVQPQHB55
S1
L1SS400
D20
1k
R43
DRC3143Z0
Q23
J2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
CP23
CP06S
1k
R50
CP06S
CP29
0.001
C36
10k
R53
0.1
C91
DS4
100k
R29
EVQPQHB55
S6
0.0047
C53
9P
C67
HT-191UYG
HT-191UYG
HT-191UYG
HT-191UYG
DS2
47k
R45
CP18
0.001
C31
R5F56106WNBG
IC5
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
E1
E2
E3
E4
E12
E13
E14
E15
F1
F2
F3
F4
F12
F13
F14
F15
G1
G2
G3
G4
G12
G13
G14
G15
H1
H2
H3
H4
H12
H13
H14
H15
J1
J2
J3
J4
J12
J13
J14
J15
K1
K2
K3
K4
K12
K13
K14
K15
L1
L2
L3
L4
L12
L13
L14
L15
M1
M2
M3
M4
M5
M6
M7
M8
M9
M10
M11
M12
M13
M14
M15
N1
N2
N3
N4
N5
N6
N7
N8
N9
N10
N11
N12
N13
N14
N15
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
R15
ML414HIV01E
BT1
0.1
C81
0.0047
C217
10
C503
0.01
C49
L1SS400
D14
L1SS400
D24
0.22
C21
0.01
C79
HR
YG
CL-165HR
DS7
0.22
C19
1.5P
C502
10
C508
0.1
C65
M24M01
IC7
1
DU
2
E1
3
E2
4
VSS
5
SDA
6
SCL
7
WC
8
VCC
L1SS400
*D11
1k
R37
EVQPQHB55
S2
LDTC144EE
Q2
NSSW208
DS3
10k
R48
1M
R46
CP5
10k
R100
100k
R90
1
C1
1
C2
1
C3
1
C4
1
C5
1
C8
1
C9
1
C10
1
C11
LCDRES
LCDCK
LCDDT
LCDRS
KS3
KS0
KS2
KS1
G_TXD
G_RXD
DSP_RESET
DSP_PD
DSP_AFC1
DSP_AFC2
SD_TXD
SD_RXD
SD_SCK
SD_CS
TCK
TRST
TMS
RTC_IRQ
RTC_SCL
RTC_SDA
DAFS
D_AS
REMOTE
VOX
PLLSW
PLLDATA
PLLCK
PPS
UNLK
DTCS
DTMF
LCDDT
LCDCS
LCDCK
LCDRS
LCDRES
LIGHT
DIM
VIN
BTVIN
TTEMP
CHGC
CHGH
TEMP
TEMP
WN
VCO_MUTE
PS3C
T3C
SQL
ESIO
ECK
yobi1
yobi2
INTPTT
EXTPTT
RX232
TX232
DIUD1
DICK1
DIUD2
DICK2
KS0
KS1
KS2
KS3
I0
I1
KR0
KR1
KR2
DCIN
DIUD1
DICK2
DIUD2
DICK1
PWRSW
I1
I1
I0
PWRSW
PFMC
TXMUTE
RES
TDI
EMLE
TDO
DALD
DACK
CLSFT
MD1
MD0
CLSFT
DCIN
NOIS
3VS
BLED
BLED
3VS
PS3C
CTCOUT
DTCS
CPU3
RTC_SCL
RTC_IRQ
RTC_SDA
INTMIC
VIN
TCK
TDO
TMS
TDI
MD0
MD1
EMLE
TRST
REMOTE
CLOUT
LV
RTONE
RSSI
TEMP
TXI-V
CTCSS
DADATA
DCSFT
TXLED
FMMUTE
BLED
PCON
VCO_SEL
TEST0
TEST1
TEST6
TEST5
TEST4
TEST3
TEST2
TEST1
TEST0
TEST7
MMUTE
DSP_REQ
MIC1
MIC2
SPMUTE
PS3
R3C
DSP_STB
DSP_REMP
TEST4
RX232
TX232
SD_SENC
SD_RXD
SD_SCK
SD_TXD
SD_CS
SD_SENC
PLLSTB
DSP_DEMP
TEST2
TEST6
GPSC
TEST7
TEST5
TEST3
AFON
yobi1
yobi2
DSPC
DSP_STB
DSP_CK
DSP_SO
DSP_SI
DSP_RESET
DSP_PD
DSP_DEMP
DSP_REMP
DSP_REQ
DSP_SI
DSP_SO
LCDCS
5VS
RESRES
RES
BTDET
DSP_CK
CTCIN
ESIO
ECK
PLAY
CLIN
G_RXD
RES
VCC
3VS
G_RES
DIM
LIGHT
KR0
KR0
KR1
KR1
KR2
G_TXD
G_HIB
BTDET
CPU3
BTDETO
BTSENC
CPU3
CPU3
TXLED
G_VDD
3VS
3VS
HV
VCC
*:
Refer to the PARTS LIST for the value and name of component.