Voltage Diagram1 - Icom IC-M803 Service Manual

SECTION 11 VOLTAGE DIAGRAM
• LOGIC UNIT
TO MIC UNIT
GND
10
AF2 R9410
9
AF1 EP9401 MPZ2012S331A R9409 10k
8
AFE 22
7
MICE EP9402 MPZ2012S102A
6
MIC EP9403 MPZ2012S102A
5
PTTE
4 L9404
MICSW 100U
3
PTT L9405 100U R9417
D9401
2
GND 0
1
J9401
TO JACK UNIT
J9402
GND
10
PHE
GND
9
PHE
8
PHO
PHE
7 R9418
PHO1
6 L9407 R9421 D9404
33
PMUT
5
PMUT
4 10U 100 L1SS400
33
PHO2
3
GND R9419
2
GND
1
Flash Writer
HV
J9051
L3V
1
L3V
2
BOOTF
3
FL_TX
4
FL_RX
5
GND
6
5V
7
JTAG
JTMSF
JTDIF
NRSTF
JTDOF
J9052
NJTRSTF
1 2
L3V
3 4
JTCKF
5 6
7 8
NC
40
NC
39
NC
38
NC
37
GND
36
NC
Q9401
35
LCD_DE EP9022 BLM15BD221SN1D LCD_DE LDTC143ZE
34
VSYNC EP9019 BLM15BD221SN1D VSYNC
33
HSYNC EP9004 BLM15BD221SN1D HSYNC
32
LCD_ON LCD_ON
EP9012 BLM15BD221SN1D
31
DOTCLK EP9007 BLM15BD221SN1D DOTCLK
30
GND
29
LCD_B7 EP9014 BLM15BD221SN1D LCD_B7
28
LCD_B6 EP9013 BLM15BD221SN1D LCD_B6
27
LCD_B5 EP9021 BLM15BD221SN1D LCD_B5
26
LCD_B4 LCD_B4
EP9011 BLM15BD221SN1D
25
R9059
LCD_B3 LCD_B3
EP9010 BLM15BD221SN1D
24
LCD_B7
23 47k
LCD_B6
22
LCD_B5
21
LCD_G7 EP9008 BLM15BD221SN1D LCD_G7 Q9051
20
LCD_G6 LCD_G6 RZF020P01TL
EP9005 BLM15BD221SN1D
19
LCD_G5 EP9015 BLM15BD221SN1D LCD_G5
18 R9060
LCD_G4 EP9016 BLM15BD221SN1D LCD_G4
17
LCD_G3 EP9009 BLM15BD221SN1D LCD_G3
47k
16
LCD_G2 EP9020 BLM15BD221SN1D LCD_G2
15
LCD_G7 EP9051
14
LCD_G6 MPZ1608S101A
13
LCD_R7 EP9006 BLM15BD221SN1D LCD_R7
12
LCD_R6 EP9017 BLM15BD221SN1D LCD_R6
11
LCD_R5 EP9002 BLM15BD221SN1D LCD_R5
10
LCD_R4 EP9003 BLM15BD221SN1D LCD_R4
9
LCD_R3 LCD_R3
EP9018 BLM15BD221SN1D
8
LCD_R7
7
LCD_R6
6
LCD_R5
5
L3V
4 L9051
L3V
GND C9062 C9064
3
LED_K
2 1U
LED_A
1 10 10
C9066 C9065
J9053
DIM_LCD
10 10
24.9
D9051 CUS04 LEDEN
TO LCD MODULE
IC9051
1 6 L9052
FB VIN
2 5 22U
COMP CTRL
3 4
GND SW
L9071
TPS61161ADRV
1U
23.1
IC9071
TPS61161ADRV
L9072
1 6
FB VIN
DIM_KEY
2 5 22U
COMP CTRL
3 4
GND SW
D9071
CUS04
DS9078 DS9077 DS9076 DS9075 DS9074 DS9073 DS9072 DS9071
DS9086 DS9085 DS9084 DS9083 DS9082 DS9081 DS9080 DS9079
SSC-WH104 ×16
C9402 AF
100 CV
MCE
MC
D9402 L1SS400 M2AD
FPTT
M3AD
L1SS400
M1AD
R9425
82k
D9403 R9427 R9428
1k
1SS355VM 0
CLONE
L2SC4081 Q9405
Q9402 LDTA114EE
PMUT
R9412
18k
R9414
47k
HV
8V
L3V
R9423
0
0.001
EP9001
MPZ1608S101A
F3V
JTMSF
R9046
133
PI2
134
100
PI3
0.01
C9002 135
VSS
136
C9013
VDD
JTCKF
0.1 137
PA14
JTDIF
138
PA15
139
R9026 PC10
K_N1
140
PC11
1K 141
PC12
SD_D2
142
PD0
SD_D3
143
PD1
144
PD2
LCD_G7
R9027 145
PD3
R9028 100 146
PD4
K_S1
147
PD5
K_S2 0.1
C9016 148
VSS
LEDEN Measuring condition:
C9005 149
VDD
K_N2
0.01 150
PD6
1K 151
• Frequency: 12.23 MHz
PD7
R9005
152
PG9
100
R9029 153
PG10 • Mode: J3E (USB)
LCD_G3
154
PG11
LCD_B3
155
PG12
LCD_B4 • RX: No signal is received.
156
PG13
LCD_ON
157
PG14
100 C9008 0.01 158 • TX: No modulation signal is applied.
VSS
K_CLR
R9030 C9019 159
VDD
SD_NCAS 1K
0.1 160 • Waveforms are measured by
PG15
JTDOF
161
PB3
NJTRSTF 162
an oscilloscope.
PB4
SD_CKE
163
PB5
SD_NE1 164
PB6
R9004 165 Voltage notation:
PB7
BOOTF
100 166
BOOT0
R9031 167
PB8
LCD_B6
168
PB9
LCD_B7
169
PE0 RX
100 170
PE1
SD_NBL0
171
PDR_ON
SD_NBL1
172
VDD
C9011 0.01 173
PI4
C9022 0.1 174
PI5
175
PI6
176
PI7
CR-1084
X9091
R9094
F3V
0
9.8304 MHz
R9096
1M
HV
R9321
C9305 R9314
1k
10 CV
D9301
R9312
100k
C9306
R9311
DA221
2.2 CV 2.2k
R9301
47k
D9302
IC9402
8
1
2 7 DA221
R9302
3 6
4 5 47k
TC7WH14FK
LTXD_
LRXD_
HV
8V
L3V
FAFMS
R9002
47K
88
87
86
85
84
83 C9038
82 C9037
VDD
81 C9033
STM32F429IIT6
80
79
78
77
76
75
74
73
(unless otherwise noted) 72 C9018
VDD
71 C9030
VSS
70
69
68
67
66
65
64
63
62 C9015
VDD
61 C9027
VSS
60
59
58 R9039
57
56
55
54
53
TX
52
Unit: Volt
51
RX
50 C9023
49 C9012
VDD
48
47
46
45
HV
11-1
FE1
0
LTXD
C9313
120P
R9315
R9316
47k MI
NJM2904CRB1 470
C9308
2 IC9301
R9307 47 EEE-HB
1
3
1k
R9317
2.2k
R9309
R9305
68k 68k
LDTC143ZE
Q9302
L2SC4081
Q9303
C9309
4.7 EEE-S(AN)
NJM2904CRB1
6
IC9301
7 8
R9324
5 V+
GND
0 13.2
4
HV
8V
LDTC143ZE
Q9408
L3V
F3V
8V
NJM7808DL1A
IC9252
O I
G
NJM2855DL1
IC9254
L3V
O I
G
LCD_R5
R9047 100
K_9
R9032 1K
R9033
K_8
3.3
K_7
K_6
K_5
1K
0.22
1 R9034
LCD_G5
1
LCD_G4
100
SD_D12
SD_D11
SD_D10
SD_D9
SD_D8
SD_D7
0.001
0.01
SD_D6
SD_D5
SD_D4
SD_A11
SD_A10
SD_A9
SD_A8
S9075 S9071 S9072
SD_A7
0.001
0.01
SD_A6
SD_NRAS
R9035
EP9121
100K LCD_R6
LCD_R3
MPZ1608S101A
0.01
100 R9121 C9122
R9036 1K M1AD R9123 R9122 100K C9121
R9018 0 PMUT SD_D0 100K 0.001
R9037 1K VSYNC SD_D1 C9123
SD_D2 0.1
SD_D3
0.01
0.001 100 C9124
R9124 0.1
R9038 SD_D4
LCD_G2 SD_D5
C9125
LCD_B5 SD_D6 0.1
SD_D7
100 100
R9125
SD_NBL0 C9126
SD_NWE
IC9091 0.1
5 SD_NCAS
1
OUT CD
2 SD_NRAS
VDD
3 4 100
VSS NC
R9126
S-80942CNMC
SD_NE1
SD_BA0
SD_BA1
R9099
SD_A10
100
47K
R9127
SD_A0
SD_A1
C9127
SD_A2
SD_A3
100
HV
Explanatory notes
TX Line
RX Line
Voltage Line
TO MAIN UNIT
J9201
EP9202 MMZ1608Y102BT L9202 100U
1 FMOD
EP9201 MMZ1608Y102BT L9203 100U
2 FMODG
3 GND
EP9208 MPZ2012S331A
4 FAF
EP9209 MPZ2012S331A
FAFG
5
EP9206 MPZ2012S331A EP9207 MPZ2012S331A
6 H13V
EP9204 MMZ1608Y102BT L9207 220U
7 H13V
EP9203 MMZ1608Y102BT L9206 220U
8 TXD
9 RXD
10 GND
HV
FAFMS
TO INTERNAL SPEAKER
J9151
1
2
R9092
F3V
R9091 100K
100K J9091
DIAL-A
2 1
DIAL-B
4 3
DIAL-P
6 5
J9092
VOL-A
2 1
VOL-B
4 3
VOL-P
6 5
S9083 S9084 S9085
8
K_4
K_5
K_6
K_U
S9086 S9087 S9088
K_L K_7
K_ENT
K_8
K_R
K_9
S9089 S9090 S9091
K_D
K_N1
K_0
K_N2
S9092 S9093 S9094
K_DS
PWRK
S9073 S9074 S9081 S9082 S9095 S9096
L3V
IC9121
1 54
VDD VSS
2 53 R9128
DQ0 DQ15
3 52 C9128 SD_D15
VDDQ VSSQ
4 51 SD_D14
0.001
DQ1 DQ14
SD_D13
5 50
DQ2 DQ13
6 49 C9130 SD_D12
VSSQ VDDQ
7 48 0.1 100
DQ3 DQ12
8 47 R9129
DQ4 DQ11
9 46 SD_D11
C9129
VDDQ VSSQ
10 45 SD_D10
0.01
DQ5 DQ10
11 44 SD_D9
DQ9
DQ6
12 43 C9131 SD_D8
VSSQ VDDQ
13 42 0.1 100
DQ7 DQ8
14 41 R9130
VDD VSS
15 40 SD_NBL1
DQML NC
16 39 SD_CLK
WE# DQMH
17 38 SD_CKE
CAS#
CLK
18 37 SD_A11
RAS# CKE
19 36 100
CS# NC
20 35 R9131
BA0 A11
21 34 SD_A9
BA1 A9
SD_A8
22 33
A10 A8
23 32 SD_A7
A0 A7
24 31 SD_A6
A1 A6
25 30 100
A2 A5
26 29
R9132
A3 A4
27 28 SD_A5
VDD VSS
0.1 SD_A4
MT48LC4M16A2P
100