Icom IC-M803 - Voltage Diagram1

11-1
SECTION 11 VOLTAGE DIAGRAM
• LOGIC UNIT
0.01
C9014
100 CV
C9404
0.001 C9075
C9411
0.0047
0.001
C9003
100U
L9404
C9415
22 CV
10 CV
C9405
C9416
0.0047
0.1
C9019
10 CV
C9403
0.1
C9016
100k
R9406
0.0047
C9204
DS9073
0.1
C9013
R9310
22k
DS9074
0.01C9011
10 CV
C9304
DS9075
0.01C9008
10
R9071
10k
R9410
DS9076
0.01
C9005
0.0047
C9407
DS9077
0.001C9015
22U
L9052
DS9078
0.01
C9253
22U
L9072
100k
R9411
47P
C9205
DS9079
SSC-WH104
0.001
C9095
47k
R9302
R9307
1k
DS9080
47k
R9301
DS9083
0.22
C9061
R9402
4.7k
DS9082
0.22
C9074
100UL9202
DS9081
0.1
C9001
100k
R9413
47P
C9206
DS9084
C9306
2.2 CV
DS9085
100UL9203
DS9086
J9052
1
2
3 4
5 6
7 8
L9407
10U
J9051
1
2
3
4
5
6
7
89
0
R9417
0.01
C9419
1
C9056
DA221
D9301
DA221
D9302
MPZ1608S101A
EP9001
1
C9032
1k
R9304
MPZ1608S101A
EP9121
1
C9035
1k
R9303
MPZ1608S101A
EP9051
0.22
C9036
10k
R9415
0.22C9038
2.2k
R9311
MT48LC4M16A2P
IC9121
1
VDD
2
DQ0
3
VDDQ
4
DQ1
5
DQ2
6
VSSQ
7
DQ3
8
DQ4
9
VDDQ
10
DQ5
11
DQ6
12
VSSQ
13
DQ7
14
VDD
15
DQML
16
WE#
17
CAS#
18
RAS#
19
CS#
20
BA0
21
BA1
22
A10
23
A0
24
A1
25
A2
26
A3
27
VDD
28
VSS
29
A4
30
A5
31
A6
32
A7
33
A8
34
A9
35
A11
36
NC
37
CKE
38
CLK
39
DQMH
40
NC
41
VSS
42
DQ8
43
VDDQ
44
DQ9
45
DQ10
46
VSSQ
47
DQ11
48
DQ12
49
VDDQ
50
DQ13
51
DQ14
52
VSSQ
53
DQ15
54
VSS
1C9037
47k
R9414
100
R9031
1C9033
R9319
1.5k
100UL9405
100
R9034
BLM15BD221SN1DEP9008
100
R9035
BLM15BD221SN1DEP9009
100
R9038
BLM15BD221SN1D
EP9010
220UL9206
C9408
0.0047
100
R9132
BLM15BD221SN1D
EP9011
2.2k
R9317
100
R9021
BLM15BD221SN1DEP9012
18k
R9412
100
R9044
BLM15BD221SN1D EP9013
R9408
100
0.1
C9421
1K
R9020
LS8J2M
S9081
BLM15BD221SN1D
EP9014
3.3k
R9407
1K
R9042
LS8J2M
S9082
BLM15BD221SN1D
EP9021
220UL9207
TPS61161ADRV
IC9071
1
FB
2
COMP
3
GND
4
SW
5
CTRL
6
VIN
7
LS8J2M
S9073
BLM15BD221SN1DEP9020
TPS61161ADRV
IC9051
1
FB
2
COMP
3
GND
4
SW
5
CTRL
6
VIN
7
LS8J2M
S9072
BLM15BD221SN1DEP9019
100
R9129
LS8J2M
S9071
BLM15BD221SN1D
EP9018
100
R9128
LS8J2M
S9074
BLM15BD221SN1D
EP9017
100P
C9151
100
R9123
LS8J2M
S9080
BLM15BD221SN1DEP9016
0.01
C9167
100
R9029
LS8J2M
S9079
BLM15BD221SN1DEP9015
R9422
1M
100
R9124
LS8J2M
S9078
BLM15BD221SN1D EP9002
10 CV
C9254
100
R9125
LS8J2M
S9077
BLM15BD221SN1DEP9007
R9306
3.3k
100 CV
C9251
100
R9130
LS8J2M
S9076
BLM15BD221SN1D EP9006
0
R9320
4.7 EEE-S(AN)
C9309
100
R9131
LS8J2M
S9096
BLM15BD221SN1DEP9005
47k
R9403
100
R9126
LS8J2M
S9095
BLM15BD221SN1DEP9004
100
R9127
LS8J2M
S9093
BLM15BD221SN1D
EP9003
R9305
68k
47 EEE-HB
C9308
1K
R9025
LS8J2M
S9094
BLM15BD221SN1DEP9022
J9402
1
2
3
4
5
6
7
8
9
10
1K
R9033
LS8J2M
S9092
0.0047
C9261
1K
R9045
LS8J2M
S9090
1K
R9040
LS8J2M
S9091
100 CV
C9262
47 EEE-HB
C9417
1K
R9028
LS8J2M
S9089
0.0047 C9260
J9151
1
2
34
1K
R9024
LS8J2M
S9087
J9053
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
30
31
32
33
34
35
36
37
38
39
40
41 42
LS8J2M
S9088
NJM7808DL1A
IC9252
IO
G
1KR9032
J9091
12
34
56
LS8J2M
S9086
100K
R9073
100R9047
J9092
12
34
56
LS8J2M
S9085
100
R9093
10 CV
C9259
LS8J2M
S9084
0
R9423
100
R9017
LS8J2M
S9083
R9098
47K
1K
R9022
0
R9321
LS8J2M
S9075
100K
R9016
D9051 CUS04
R9099
47K
47K
R9002
MPZ2012S331AEP9206
R9421
100
D9071
CUS04
10K
R9053
100
R9004
MPZ2012S331AEP9207
CP10S
CP9053
100K
R9014
100
R9005
0.1
C9252
R9420
100k
CP10S
CP9054
100K
R9121
100 ×3
R9006
MPZ2012S331AEP9208
CP10S
CP9055
100K
R9122
2.2 F93
C9059
R9007
MPZ2012S331A
EP9209
0.0047
C9301
CP10S
CP9056
1K
R9010
2.2 F93
C9072
R9009
R9418
33
CP10S
CP9052
1K
R9011
NJM2855DL1
IC9254
IO
G
12k
R9424
100 CV
C9402
CP10S
CP9057
100K
R9039
NJM2904CRB1
IC9301
2
3
1
82k
R9425
CP10S
CP9051
0
R9095
NJM2904CRB1
IC9301
6
5
7
33k
R9426
L1SS400
D9153
R9419
33
CP9002
100
R9027
0
R9427
CP9001
0
R9094
CR-1084
X9091
1k
R9428
0.01
C9096
100K
R9091
10P
C9092
L2SC4081
Q9402
0.0047
C9414
0.01
C9094
100K
R9058
10P
C9091
0.1C9022
100K
R9092
0.01C9023
8.2
R9055
J9201
1
2
3
4
5
6
7
8
9
10
1112
100
R9019
1k
R9314
0.0047 C9034
1KR9037
1000 EEE-FT
C9207
0.01C9030
15
R9057
100
R9013
1000 EEE-FT
C9208
1KR9036
100
R9023
100
R9046
0.001
C9057
1K
R9041
0.01C9027
1K
R9026
1K
R9043
R9409
22
0.01
C9129
100K
R9051
0R9018
0.001 C9063
R9001
47K
470
R9316
0.01
C9122
0
R9151
0.001
C9128
0
R9432
0.1
C9055
0.1
C9126
0.001
C9021
100k
R9312
0.001
C9054
0.001
C9024
0.1
C9125
0.1
C9004
R9097
12K
22P
C9053
1K
R9030
LDTA114EE
Q9405
DS9071
0.1
C9124
1M
R9096
MMZ1608Y102BTEP9202
0.001
C9028
DS9072
0.1
C9123
MMZ1608Y102BTEP9201
0.1
C9007
0.001
C9121
L9301
10U
0.1
C9010
120k
R9313
0.1
C9127
C9311
0.0047
0.001
C9031
100U
L9406
0.1
C9130
10 CV
C9305
0.01
C9002
0.1
C9131
MMZ1608Y102BTEP9203
0.001 C9073
D9303
DA221
0.001 C9060
0.1
C9052
0.0047
C9203
0.001 C9058
0.001
C9051
0.0047
C9406
0.001C9018
MMZ1608Y102BTEP9204
0.001 C9071
C9307
10 CV
0.001C9012
100P
C9201
LDTC143ZE
Q9408
0
R9324
L1SS400
D9402
L1SS400
D9401
D9404
L1SS400
TC7WH14FK
IC9402
1
2
3
4
5
6
7
8
0.01
C9169
MPZ2012S331AEP9401
MPZ2012S102AEP9402
MPZ2012S102AEP9403
S-80942CNMC
IC9091
1
OUT
2
VDD
3
VSS
4
NC
5
CD
0.039
C9097
0.0047 x3
C9100 C9098 C9099
0.1
C9029
0.001
C9009
0.01
C9020
0.1
C9026
0.001
C9039
0.001
C9006
0.01
C9017
C9310 0.0047
120P
C9313
47k
R9315
AGQ200S12
RL9151
0.0047
C9168
470 EEE-FK
C9312
22 CV
C9302 0.0047 C9303
NJM2904CRB1
IC9301
V+
8
GND
4
Q9302
L2SC4081
LDTC143ZE
Q9303
1U
L9051
1U
L9071
J9401
1
2
3
4
5
6
7
8
9
10
10
C9062
10
C9064
10
C9066
10
C9065
10
C9076
10
C9077
10
C9078
10
C9079
10
C9025
R9309
68k
0
R9202
1SS355VM
D9403
22P
C9041
STM32F429IIT6
IC9001
1
PE2
2
PE3
3
PE4
4
PE5
5
PE6
6
VBAT
7
PI8
8
PC13
9
PC14
10
PC15
11
PI9
12
PI10
13
PI11
14
VSS
15
VDD
16
PF0
17
PF1
18
PF2
19
PF3
20
PF4
21
PF5
22
VSS
23
VDD
24
PF6
25
PF7
26
PF8
27
PF9
28
PF10
29
PH0
30
PH1
31
NRST
32
PC0
33
PC1
34
PC2
35
PC3
36
VDDA
37
VSSA
38
VREF+
39
VDDA
40
PA0
41
PA1
42
PA2
43
PH2
44
PH3
45
PH4
46
PH5
47
PA3
48
ASS_REG
49
VDD
50
PA4
51
PA5
52
PA6
53
PA7
54
PC4
55
PC5
56
PB0
57
PB1
58
PB2
59
PF11
60
PF12
61
VSS
62
VDD
63
PF13
64
PF14
65
PF15
66
PG0
67
PG1
68
PE7
69
PE8
70
PE9
71
VSS
72
VDD
73
PE10
74
PE11
75
PE12
76
PE13
77
PE14
78
PE15
79
PB10
80
PB11
81
VCAP_1
82
VDD
83
PH6
84
PH7
85
PH8
86
PH9
87
PH10
88
PH11
89
PH12
90
VSS
91
VDD
92
PB12
93
PB13
94
PB14
95
PB15
96
PD8
97
PD9
98
PD10
99
PD11
100
PD12
101
PD13
102
VSS
103
VDD
104
PD14
105
PD15
106
PG2
107
PG3
108
PG4
109
PG5
110
PG6
111
PG7
112
PG8
113
VSS
114
VDD
115
PC6
116
PC7
117
PC8
118
PC9
119
PA8
120
PA9
121
PA10
122
PA11
123
PA12
124
PA13
125
VCAP_2
126
VSS
127
VDD
128
PH13
129
PH14
130
PH15
131
PI0
132
PI1
133
PI2
134
PI3
135
VSS
136
VDD
137
PA14
138
PA15
139
PC10
140
PC11
141
PC12
142
PD0
143
PD1
144
PD2
145
PD3
146
PD4
147
PD5
148
VSS
149
VDD
150
PD6
151
PD7
152
PG9
153
PG10
154
PG11
155
PG12
156
PG13
157
PG14
158
VSS
159
VDD
160
PG15
161
PB3
162
PB4
163
PB5
164
PB6
165
PB7
166
BOOT0
167
PB8
168
PB9
169
PE0
170
PE1
171
PDR_ON
172
VDD
173
PI4
174
PI5
175
PI6
176
PI7
1k
R9401
LDTC143ZE
Q9401
0.1
C9401
RZF020P01TL
Q9051
47k
R9059
47k
R9060
SD_A1
SD_A0
SD_A9
SD_A8
SD_A7
SD_A4
SD_A5
K_4 K_3 K_2 K_1
K_ENT
SD_A6
K_L
K_R
SD_A5
SD_A11
SD_A4
SD_CKE
SD_A3 SD_A2
SD_D7
SD_A1
SD_D6
SD_A0
SD_D5
SD_A3
SD_D4
SD_NE1
SD_D3
SD_D2
K_DTRS
SD_BA0
SD_BA1
SD_D1
SD_D0
SD_A10
SD_NBL0
SD_NWE
SD_NCAS
SD_D12
SD_D13
SD_D14
SD_D15
SD_NRAS
SD_D11
SD_D10
SD_D9
SD_D8
K_CLR
K_MENU
LCD_R4
K_D
LCD_R5
LCD_R6
LCD_R7
LCD_G2
LCD_G3
LCD_G4
LCD_G5
LCD_G6
LCD_G7
LCD_B4
LCD_B5
LCD_B6
LCD_B7
GND
VOL-P VOL-A VOL-B
K_S4
K_U
K_DTRS
K_S3
K_5
K_6
K_7
K_8
K_9
K_DS
K_ENT
DOTCLK
DIM_LCD
K_S2
K_S1
SD_NBL1
SD_CLK
SD_A2
VOL-A
VOL-B
DIAL-A
DIAL-B
LEDEN
DIAL-P
PWRK
ICFRXD
M1AD
FL_RX
PMUT
JTDOF
NJTRSTF
DIAL-P
BOOTF
JTDIF
JTCKF
JTMSF
K_N1
K_0
DIAL-B
SD_D2
SD_D3
SD_NCAS
SD_CKE
SD_NE1
SD_NBL0
SD_NBL1
SD_BA1 SD_BA0
SD_D0 SD_D1
SD_D13 SD_D14 SD_D15
SD_D12
SD_D11
SD_D10
SD_D9
SD_D8
SD_D7
SD_D6
SD_D5
SD_D4
SD_A11
SD_A10
SD_A9
SD_A8
SD_A7
SD_A6
DIAL-A
K_CLR
K_N2
K_MENU
K_R K_L K_D
M2AD
FPTT
ICFTXD
FE1
LTXD_
LTXD_
LCD_ON
DIM_LCD DIM_KEY
SD_NRAS
K_DS
K_N2
K_0
K_N1
K_9
K_8
K_7
K_6
K_5
K_4
K_3 K_2 K_1
K_S4 K_S3 K_S2 K_S1
LCD_B3
NJTRSTF
JTCKF
JTDOF
NRSTF
JTDIF
JTMSF
LCD_G7
LCD_G3
LCD_B3
LCD_B4
LCD_ON
LCD_B6
LCD_B7
LCD_B5
LCD_G2
VSYNC
VSYNC
LCD_R3
LCD_R3
LCD_R6
LCD_G4
LCD_G5
LCD_R5
DOTCLK LCD_R7 LCD_G6
HSYNC
HSYNC
LCD_R4
LCD_DE
LCD_DE
PCON
FL_TX
BOOTF
BOOTF
PWRK
LEDEN
DIM_KEY
K_U
LRXD_
LRXD_
M1AD
FAFMS
SD_NWE
ICFTXD
ICFRXD
M3AD
M2AD
FPTT
NRSTF
MC
M3AD
PMUT
MI
LTXD
MCE
HV
HV
HV
VOL-P
F3V
SD_CLK
L3V
L3V
L3V
L3V
5V
AF
8V
8V
8V
PTT
AFE
AF2
CLONE
MIC
PHO
AF1
PHE
MICE
MICSW
9.8304 MHz
PTTE
GND
PHO1
PHE
PHO2
PMUT
PMUT
PHE
GND
GND
GND
GND
GND
FMODG
FMOD
FAF
RXD
H13V
TXD
GND
FAFG
H13V
TO JACK UNIT
TO MIC UNIT
TO MAIN UNIT
DIALVOL
JTAG
TO LCD MODULE
TO INTERNAL SPEAKER
FAFMS
GND
Flash Writer
×16
NC
NC
NC
NC
GND
NC
LCD_DE
VSYNC
HSYNC
LCD_ON
DOTCLK
GND
LCD_B7
LCD_B6
LCD_B5
LCD_B4
LCD_B3
LCD_B7
LCD_B6
LCD_B5
LCD_G7
LCD_G6
LCD_G5
LCD_G4
LCD_G3
LCD_G2
LCD_G7
LCD_G6
LCD_R7
LCD_R6
LCD_R5
LCD_R4
LCD_R3
LCD_R7
LCD_R6
LCD_R5
L3V
GND
LED_K
LED_A
23.1
24.9
3.3
8
13.2
Measuring condition: (unless otherwise noted)
• Frequency: 12.23 MHz
• Mode: J3E (USB)
• RX: No signal is received.
• TX: No modulation signal is applied.
• Waveforms are measured by
an oscilloscope.
Voltage notation:
RX
Unit: Volt
TX
RX
HVHV HV
8V
8V8V
HVHV
HVHV
HV
L3V
L3V
L3V L3V L3V
F3V
F3V
F3V
L3V
L3V
HV
HV
F3V
F3V
Explanatory notes
TX Line
RX Line
Voltage Line