SCHEMATIC DIAGRAMS
To upgrade quality, some components may be
subject to change without notice.
A-7290-3EX-
w
Printed in Japan
© 2015–2016 Icom Inc.
u
CP121
27
R17
SD_CMD
47
C256
100
R78
MCK
0.1
C121
10
C265
27
R18
27
R84
SD_D1
100
R55
100
R10
DSTB
10
C206
SD_CD
0.1
C141
0.1
C21
J51
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
47
C254
100
R101
PSTB
MMZ1005B601C
EP121
10
C264
10
C202
MMZ1005A152ET
EP11
27
R83
1
C252
100
R102
MSTB1
MMZ1005A152ET
EP5
AFONS
MAIN-3
MAIN-3
MAIN-4
MAIN-2
0.1
C22
0
R221
100
R4
PWRS
1
C263
NJM2904CRB1
IC151
2
3
1
MMZ1005A152ET
EP6
27
R82
0.1
C23
100
R56
TLV70025DCKR
IC231
1
IN
2
GND
3
EN
4
NC
5
OUT
100
R15
TXS
10
C266
L1SS400
D151
MMZ1005A152ET
EP7
MPZ1608S101A
EP51
J71
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
1
C232
100
R13
DSHK_
10K
R156
10P
C208
MMZ1005A152ET
EP8
27
R80
0.001
C39
J21
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
2R5V
100
R73
SKYS_
10
C267
18K
R157
MMZ1005A152ET
EP9
10
C204
HTRAS
0.001
C38
27
R104
100
R71
ALCL_
1K
R155
MPZ2012S601A
EP201
27
R81
0.001
C37
100
R57
27
R103
THML_
100
R72
4.7K
R153
MMZ1005A152ET
EP38
0.001
C36
MPZ1608S601A
EP52
27
R107
REFL_
0.001
C71
1R2V
MMZ1005A152ET
EP37
0.001
C35
27
R108
FORL_
0.001
C74
1
C231
10P
C268
MMZ1005A152ET
EP39
DCCLK
0.001
C34
27
R109
IDL_
22P
C72
TPS62110RSAR
IC261
1
PGND
2
VIN
3
VIN
4
EN
5
SYNC
6
LBO
7
LBI
8
VINA
9
AGND
10
FB
11
GND
12
GND
13
PG
14
SW
15
SW
16
PGND
17
100K
R158
MMZ1005A152ET
EP36
27
R75
/DCCLK
0.001
C33
27
R105
PHASEI
22P
C73
15K
R154
MMZ1005A152ET
EP35
LCD_R3
START
0.001
C32
MPZ1608S601A
EP111
TSTB1
H3R3V
0
R262
MMZ1005A152ET
EP34
LCD_R4
EALC
0.001
C31
1K
R113
TSTB2
100K
R132
3R3V
10U
L262
NJM2904CRB1
IC151
6
5
7
MMZ1005A152ET
EP33
10
C207
KEY
LCD_R5
SDPWS
SDPWS
0.001
C30
TSTB3
100K
R133
H1R18V
SHORT1005
CP151
MMZ1005A152ET
EP32
BANV
10K
R203
LCD_R6
J101
1
2
3
4
5
6
7
8
9
10
11
12
0.001
C28
TPWRL_
390K
R131
10U
L252
560K
R265
100
R160
27
R26
REFV
MAIN-6
MAIN-5
MPZ2012S601A
EP202
LCD_R7
22P
C29
TSTB4
NJM2904CRB1
IC125
6
5
7
10U
L261
47K
R152
100
100
R40
R41
27
R27
1
C211
MSTB2
MAIN-2
MAIN-2
MAIN-3
MAIN-2
MAIN-2
MAIN-4,6
MAIN-6
LCD_G2
0.1
C106
22P
C27
IMPI
10U
L263
100
R159
27
R29
1
C216
LCD_G3
MPZ1608S300A
EP1
22P
C26
TDAT
L1SS400
D152
0.1
C135
H4V
LCD_G4
MPZ1608S601A
EP21
0.001
C25
27
R95
MPZ1608S601A
EP46
TOE
MPZ2012S601A
EP221
LCD_G5
0.001
C24
27
R94
0
R202
SWRL_
100
R151
NJM2904CRB1
IC135
V+
8
GND
4
LCD_G6
10
C201
0.1
C46
TCLK
NJM2904CRB1
IC151
V+
8
GND
4
2.7U
L222
0.1
C242
LCD_G7
39K
R205
0.001
C64
470
R45
22P
C18
0.1
C151
ADP2370ACPZ
IC221
1
VIN
2
FSEL
3
EN
4
SYNC
5
FB
6
PG
7
SW
8
PGND
9
100K
R137
LCD_B3
MPZ1608S601A
EP22
27
R93
22P
C17
10U
L221
100
R138
XC6222A321MR
IC241
1
VIN
2
VSS
3
CE
4
NC
5
VOUT
LCD_B4
3182
MP201
1
2
3
4
5
6
7
8
9
10
MPZ1608S601A
EP23
22P
C16
10P
C255
10K
R223
LCD_B5
10
C205
27
R92
5V
0.001
C15
100
R64
10
C222
100
R135
1
C241
LCD_B6
0.1
C14
100
R53
0.1
C125
100
R136
10K
R242
100K
R204
LCD_B7
MPZ1608S101A
EP2
27
R91
470
R243
0.001
C3
NJM2904CRB1
IC125
V+
8
GND
4
TPS62110RSAR
IC251
1
PGND
2
VIN
3
VIN
4
EN
5
SYNC
6
LBO
7
LBI
8
VINA
9
AGND
10
FB
11
GND
12
GND
13
PG
14
SW
15
SW
16
PGND
17
10
C223
NJM2904CRB1
IC135
6
5
7
LRB551V
D241
LCD_CLK
10K
R241
DSC7004S0
Q45
0.001
C4
100
R125
10
C221
100K
R139
DXN-5R5H334U
C243
LCD_ON
0.001
C57
27
R90
CP06S
CP241
470 CE-LX
C45
0.001
C5
0.1
C98
0
R251
47K
R225
LCD_HS
0.001
C56
47K
R110
0.001
C6
0.1
C97
MPZ2012S601A
EP251
NJM2904CRB1
IC135
2
3
1
LCD_VS
27
R89
0.001
C55
MPZ1608S601A
EP98
RZR040P01
Q111
0.01
C48
0.001
C7
8V
0.1
C96
R2A20169SA
IC121
1
VrefL
2
Ao3
3
Ao4
4
Ao5
5
Ao6
6
Ao7
7
Ao8
8
Ao9
9
Ao10
10
VrefU
11
Vcc
12
Ao11
13
Ao12
14
Do
15
LD
16
CLK
17
DI
18
Ao1
19
Ao2
20
GND
LCD_DE
0.001
C54
MPZ1608S601A
EP97
47K
R111
MPZ1608S601A
EP45
0.001
C8
39K
R254
CP06S
CP122
100K
R226
27
R88
0.001
C53
MPZ1608S601A
EP96
0.001
C9
100
R74
10U
L251
PWRK
47K
R112
1
C111
0.001
C10
1
C203
100
R24
0.1
C122
TPS62110RSAR
IC201
1
PGND
2
VIN
3
VIN
4
EN
5
SYNC
6
LBO
7
LBI
8
VINA
9
AGND
10
FB
11
GND
12
GND
13
PG
14
SW
15
SW
16
PGND
17
LRXD
27
R87
SD_D2
0.1
C51
LDTC143ZE
Q112
0.001
C11
100
R25
LTXD
SD_D3
0.1
C52
0.001
C12
10U
L201
100
R127
100
R28
470K
R253
100
R123
10
C261
FRES
27
R86
SD_CLK
0.001
C13
100
R30
47
C251
100
R122
10
C262
NJM2904CRB1
IC125
2
3
1
SD_D0
MMZ1005B601C
EP141
0.1
C1
14V
100
R54
DRESH
100
R31
100
R121
27
R16
27
R85
SD_WP
SN74AHC595PW
IC141
1
QB
2
QC
3
QD
4
QE
5
QF
6
QG
7
QH
8
GND
9
QH'
10
SCLR
11
SCK
12
RCK
13
G
14
SI
15
QA
16
VCC
0.1
C2
HV
100
R12
47
C253
MDAT
ASQLS
SPS
USQLS
UMODS
2.2
C212
2.2
C217
2.2
C272
XC6222A331MR
IC211
1
VIN
2
VSS
3
CE
4
NC
5
VOUT
XC6222A331MR
IC216
1
VIN
2
VSS
3
CE
4
NC
5
VOUT
0.1
C49
100
R134
J1
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
MMZ1005A152ET
EP3
MMZ1005A152ET
EP19
0.001
C19
MMZ1005A152ET
EP14
51K
R263
0
R264
NJM7808DL1A
IC271
I
O
G
10
C271
0.1
C273
0.1
C274
470 CE-LX
C20
470 CE-LX
C275
470 CE-LX
C257
NJM7808DL1A
IC276
I
O
G
10
C276
0.1
C277
0.1
C279
2.2
C278
HSENI
10
R276
6.8
R271
J45
1
2
3
4
MMZ1608B301CT
EP94
MMZ1608B301CT
EP92
MMZ1608B301CT
EP82
MMZ1608B301CT
EP90
MMZ1608B301CT
EP81
MMZ1608B301CT
EP79
MMZ1608B301CT
EP89
MMZ1608B301CT
EP87
MMZ1608B301CT
EP75
MMZ1608B301CT
EP84
MMZ1608B301CT
EP88
MMZ1608B301CT
EP86
MMZ1608B301CT
EP95
MMZ1608B301CT
EP85
MMZ1608B301CT
EP93
MMZ1608B301CT
EP83
MMZ1608B301CT
EP91
MMZ1608B301CT
EP80
MMZ1608B301CT
EP58
MMZ1608B301CT
EP59
MMZ1608B301CT
EP60
MMZ1608B301CT
EP61
MMZ1608B301CT
EP62
MMZ1608B301CT
EP63
100P
C59
100P
C62
100P
C58
100P
C61
100P
C60
100P
C63
100K
R255
0
R79
LCD_VS
HFID1VP
HFID2VP
DSTB
MCK
DRESH
MDAT
PWRK
FANVP
LRXD
MDAT
LTXD
REFL_
REFL_
MSTB2
FRES
REFV
MCK
DSTB
SDPWS
KEY
LCD_ON
PSTB
EALC
START
LCD_CLK
TXS
BANV
BANV
LCD_DE
MSTB1
/DCCLK
PWRS
LCD_DE
DCCLK
LCD_HS
PWRS
LCD_VS
DSHK_
LCD_ON
LCD_B7
SKYS_
FORL_
FORL_
LCD_B6
ALCL_
LCD_CLK
LCD_B4
LCD_B3
THML_
AFONS
LCD_G7
LCD_G6
REFL_
KEY
HFID2V
LCD_G5
FORL_
LCD_B5
START
LCD_G4
LCD_G3
THML_
LCD_G2
TPWRL_
EALC
LCD_R7
HFID2V
LCD_R6
IDL_
LCD_R5
POCV
IMPI
LCD_R4
SWRL_
LCD_R3
TSTB3
FANV
IDL_
IDL_
DRIV
MCK
PWRK
TSTB1
PWRS
MSTB2
LRXD
DRESH
LTXD
MDAT
FRES
REFLP
TXS
TCLK
DIDV
DRESH
TDAT
SD_D3
HFID1VP
PSTB
TSTB4
SD_CLK
MDAT
MCK
SD_WP
IREFV
SD_CD
PHASEI
FORLP
TPWRL_
SD_D1
HFID1V
SD_D0
IMPI
SD_CLK
SWRL_
SD_CMD
SD_D3
PHASEI
SD_D2
TOE
TSTB1
TSTB2
TSTB3
TSTB4
TDAT
TCLK
TOE
TXS
MDAT
MSTB1
DRESH
DSHK_
MCK
SKYS_
ALCL_
ICCV
HV
TSTB2
DRIVP
HFID2VP
POCV
IDL_
REFLP
DRIVP
REFLP
FORLP
FORLP
/DCCLK
DCCLK
FANV
DRIV
FANVP
/DCCLK
LCD_HS
HTRAS
ASQLS
SPS
USQLS
UMODS
IREFV
ICCV
DIDV
HFID1V
SD_CMD
SD_D2
SD_D1
SD_WP
SD_CD
SD_D0
DCCLK
F8V
LCD_B7
LCD_B6
LCD_B5
LCD_B4
LCD_B3
LCD_G7
LCD_G6
LCD_G5
LCD_G4
LCD_G3
LCD_G2
LCD_R7
LCD_R6
LCD_R5
LCD_R4
LCD_R3
5V
8V
HSENI
HSENI
3R3V
3R3V
14V
14V
LCD_DE
PHASEI
HV
LTXD
GND
14V
NC
LCD_CLK
To the TUNER UNIT
RFCNT(EXT)
HFID2V
LCD_G6
14V
NC
GND
LCD_R3
GND
GND
To the RF UNIT
HV
LRXD
SDDAT0
NC
14V
GND
3R3V
SDDAT2
TCLK
14V
GND
8V
SDCLK
NC
14V
14V
8V
SDWP
TDAT
PSTB
ALCL
NC
SDDAT3
3R3V
14V
REFLP
GND
SDDAT1
TSTB1
14V
MSTB1
GND
VDD(3R3V)
TSTB3
KEY
GND
SDCMD
TPWRL
To the PA UNIT
14V
NC
8V
TSTB2
8V
TXS
5V
3R3V
GND
GND
3R3V
8V
GND
IMPI
LCD_B6
14V
GND
3R3V
LCD_B7
START
EALC
GND
GND
IREFV
LCD_R4
DRESH
DSHK
SDCD
8V
TSTB4
LCD_G2
MDAT
ICCV
GND
LCD_B4
GND
14V
SKYS
NC
LCD_ON
TOE
14V
DRIV
NC
3R3V
GND
THML
MCK
NC
LCD_R5
NC
MCK
DRESH
NC
LCD_G7
GND
14V
HSENI
NC
LCD_R7
To the DISPLAY BOARD
POCV
DRIDV
LCD_B3
TXS
PWRS
NC
MDAT
HV
LCD_B5
IDL
IDL
LCD_G4
FORLP
GND
FRES
2.5V
GND
GND
3R3V
[FAN]
HFID1V
PWRK
5V
FAN-
GND
LCD_G5
FAN+
NC
LCD_R6
1.2V
CNTRS(EXT)
REFLP
LCD_VS
14V
FORLP
LCD_G3
GND
GND
SWRL
GND
LCD_HS
GND
GND
SD BOARD
J1
#1:CD/DAT3
#2:CMD
#3-1:VSS
#4:VDD
#5:CLK
#6:VSS
#7:DAT0
#8:DAT1
#9:DAT2
CD
WP1
WP2
#3-2:VSS
27
R2
220
R9
27
R5
MPZ1608S601A
EP7
220
R1
27
R4
0.1
C1
27
R8
27
R6
10
C2
27
R3
J2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
SDDAT2
SDDAT1
VDD(3R3V)
SD CARD SLOT
SDCD
SDCLK
SDWP
SDDAT0
SDCMD
SDDAT3
MAIN UNIT (MAIN-1)
