![background image](http://html2.mh-extra.com/html/icom/ic-7851/ic-7851_servise-manual_4153040154.webp)
9-11
*:
Refer to the PARTS LIST for the value and name of component.
BSPI_MOSI
-8V
0.01
C218
MMZ1608B301CT
EP135
MMZ1608Y102BT
EP215
15K
R254
BSPI_MISO
MMZ1608B301CT
EP133
MMZ1608Y102BT
EP217
100K
R287
RBIFMS
MPZ1608S221A
EP232
MMZ1608Y102BT
EP160
MMZ1608Y102BT
EP218
1K
R264
RAIFMS
MPZ1608S221A
EP204
10 CE-LH
C387
MMZ1608B301CT
EP158
MMZ1608Y102BT
EP219
BCLK24M
MMZ1608B301CT
EP156
MMZ1608Y102BT
EP221
4.7K
R261
MCLK24M
0.1
C282
220
R154
MMZ1608Y102BT
EP233
DAX_TIF
0.1
C281
220
R153
MMZ1608Y102BT
EP234
/ACAL
100
R281
MMZ1608B301CT
EP149
MMZ1608Y102BT
EP235
J212
1
1
2
2
3
3
4
4
5
5
6
6
7
7
6M_BCLK
AMODIN_A
MMZ1608B301CT
EP147
MMZ1608Y102BT
EP237
DAR_MIC
AAFOUT_B
MMZ1608B301CT
EP143
MMZ1608Y102BT
EP238
96K_FRM
+5V
AMODIN_B
MMZ1608B301CT
EP141
MMZ1608Y102BT
EP239
DAX_USB
+15V
AAFOUT_A
MMZ1608B301CT
EP139
MMZ1608Y102BT
EP241
J171
1
2
3
4
5
6
7
8
SPK
RAAGCV
220
R136
MPZ1608S221A
EP240
470
R284
MMZ1608Y102BT
EP45
100
R282
220
R134
LDTC114EE
Q271
J211
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
220
R32
RAAGC_DET
MMZ1608Y102BT
EP132
LDTC114EE
Q272
33K
R253
PCM2901E
IC381
1
D+
2
D-
3
VBUS
4
DGNDU
5
HID0
6
HID1
7
HID2
8
SEL0
9
SEL1
10
VCCC
11
AGNDC
12
VINL
13
VINR
14
VCOM
15
VOUTR
16
VOUTL
17
VCCP1
18
AGNDP
19
VCCP2
20
XTO
21
XTI
22
AGNDX
23
VCCX
24
TEST0
25
TEST1
26
DGND
27
VDD
28
SSPND
220
R39
RAIF
MMZ1608Y102BT
EP131
L2SC4081
Q261
4.7K
R251
BCLK24M
L2SC4081
Q266
0.01
C160
L2SC4081
Q253
470
R283
DBX_USB
0.01
C159
LDTA114EE
Q252
0.01
C132
SHORT
CP291
150
R255
RBIF
0.01
C136
100K
R286
27
R313
0.01
C161
MMZ1608S601A
EP291
100K
R285
NJM4558M
IC281
V+
8
GND
4
0.01
C144
J291
1
2
3
4
NJM4558M
IC281
2
3
1
0.01
C131
NJM4558M
IC281
6
5
7
0.01
C134
1K
R294
MPZ2012S331A
EP203
MPZ2012S331A
EP202
68U
L4
0.001
C294
68U
L5
J201
J199
1
2
3
4
SHORT
CP292
22P
C311
J198
1
2
3
4
5
6
7
8
J231
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
0.1
C401
15K
R314
0.1
C402
15K
R312
10
C385
RPHO
22P
C312
0
R356
0.01
C126
+5V
0
R357
J121
1
2
3
4
5
6
7
8
9
10
11
0
R358
1.5K
R295
LDTC114EE
Q371
LPHO
MPZ1608S221A
EP125
+5V
0.01
C31
0
R359
27P
C301
MICAFE
0.01
C125
-8V
MICE
27
R297
PHE
-8V
MICI
10K
R405
MICAF
+8V
10K
R404
0.1
C384
10 CE-LH
C388
T8V
0.1
C14
0.1
C380
0.1
C299
10 CE-LH
C386
J1
1
2
3
4
5
6
7
8
9
10
11
+5V
10K
R376
1.5K
R299
MPZ2012S601A
EP1
-8V
L1SS400
D261
100
R401
MPZ2012S601A
EP3
-12V
J176
1
2
3
4
5
6
7
8
9
10
+11V
SN74AHC1G32DCK
IC371
1
A
2
B
3
GND
4
Y
5
VCC
+15V
220
R72
+8V
T8V
27P
C298
15K
R374
47
R188
220
R74
-8V
J196
1
2
3
4
220
R75
+5V
J197
1
2
3
4
LRB706F
D291
MMZ1608Y102BT
EP121
47
R190
LDTC114EE
Q401
+3R3V
CD4053B
IC401
1
Y1
2
Y0
3
Z1
4
Z
5
Z0
6
INH
7
VEE
8
VSS
9
C
10
B
11
A
12
X0
13
X1
14
X
15
Y
16
VDD
10
C383
0.01
C122
47K
R403
MPZ2012S601A
EP2
100
R402
MMZ1608S601A
EP382
MPZ1608S221A
EP128
47
R186
0.1
C16
1.5K
R375
0.01
C171
MMZ1608Y102BT
EP122
27
R311
0.01
C172
MPZ1608S221A
EP193
0.1
C11
ASPI_MISO
MPZ1608S601A
EP292
22
R382
47
R181
0.01
C127
2.2 F93
C389
100 CE-LH
C13
10
C297
0.1
C382
47
R179
0.001
C213
22P
C351
10
C381
MMZ1608S601A
EP381
UMOD
47
R178
0.01
C121
0.001
C233
-12V
SHORT
CP371
47
R177
0.01
C128
27P
C393
22P
C372
DAR_IF
47
R180
MMZ1608Y102BT
EP124
220
R77
ASPI_MOSI
MPZ1608S221A
EP174
MPZ1608S221A
EP78
0.1
C391
96K_FRM
47
R176
0.01
C123
J133
0.1
C23
220
R79
100K
R298
0.1
C300
6M_BCLK
MMZ1608Y102BT
EP43
MPZ1608S221A
EP173
MPZ1608S221A
EP126
220
R80
27P
C394
/ACAL
22P
C47
MPZ1608S221A
EP171
+15V
MMZ1608B301CT
EP82
27
R371
0.1
C302
ASPI_CLK
0.01
C44
MPZ1608S221A
EP183
MPZ1608S221A
EP6
MMZ1608B301CT
EP84
CR-870
X381
DAX_AF
0.01
C33
MPZ1608S221A
EP182
10K
R266
100 CE-LH
C17
MMZ1608B301CT
EP81
22
R381
10
C390
MCLK24M
47
R33
T8V
4.7K
R267
NJM7805DL1A
IC16
I
O
G
MMZ1608B301CT
EP83
0.01
C34
SPIAADC_CS
0.01
C40
MMZ1608Y102BT
EP123
33
R24
0.01
C65
2.7K
R384
1M
R385
CLK12M
47
R36
MPZ1608S221A
EP127
0.01
C63
CR-890
X291
0.01
C41
EALC
RBAGCV
0.01
C124
4.7
R25
0.01
C64
1M
R383
MMZ1608Y102BT
EP47
MCK
RBAGC_DET
0.01
C251
0.1
C24
0.1
C18
TUSB2046BIVFR
IC291
1
DP0
2
DM0
3
VCC
4
RESET
5
EECLK
6
EEDATA/GANGED
7
GND
8
BUSPWR
9
PWRON1
10
OVRCUR1
11
DM1
12
DP1
13
PWRON2
14
OVRCUR2
15
DM2
16
DP2
17
PWRON3
18
OVRCUR3
19
DM3
20
DP3
21
PWRON4
22
OVRCUR4
23
DM4
24
DP4
25
VCC
26
EXTMEM
27
TSTPLL/48MCLK
28
GND
29
XTAL2
30
XTAL1
31
TSTMODE
32
SUSPND
27
R296
0.01
C45
PREFL
220
R71
0.01
C266
0.01
C61
MDAT
MMZ1608Y102BT
EP65
MPZ1608S221A
EP172
10 CE-LH
C25
0.01
C66
DSM3MA4
D201
ASTB1
MMZ1608Y102BT
EP117
DSC7004S0
Q24
0.01
C67
15K
R372
ALCL
220
R73
MMZ1608Y102BT
EP114
0.01
C68
DSM3MA4
D202
0.01
C35
DSAPAH
MMZ1608Y102BT
EP67
MMZ1608Y102BT
EP91
DSCLA
100P
C201
MMZ1608Y102BT
EP46
FIDL
+3R3V
DSDAA
100 CE-LH
C22
0.01
C70
FHA010
F201
0.01
C42
FID2V
220
R76
220
R100
0.01
C216
220
R40
+3R3V
0.01
C71
27
R373
4.7K
R256
220
R31
DSONB
MMZ1608Y102BT
EP69
MMZ1608Y102BT
EP112
0.01
C182
MMZ1608Y102BT
EP42
470 EEE-FK
C6
0.01
C73
15K
R263
0.01
C37
MSTB1
MMZ1608Y102BT
EP97
0.01
C183
AN79L08M
IC22
I
O
G
0.01
C77
1
C374
8.2K
R271
MPZ1608S221A
EP49
DSAPA
MMZ1608Y102BT
EP115
J31
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
NJM7808DL1A
IC11
I
O
G
0.01
C72
BNDBV
220
R70
220
R99
0.01
C76
FID1V
220
R66
MMZ1608Y102BT
EP110
MPZ1608S221A
EP192
0.01
C36
0.01
C74
VDL
MMZ1608Y102BT
EP95
J187
1
2
3
4
5
6
7
8
9
10
MPZ1608S221A
EP50
0.01
C75
1M
R300
DRESH
MPZ1608S221A
EP62
MMZ1608Y102BT
EP113
47
R189
MMZ1608Y102BT
EP38
2.2
R11
DSAPBH
MMZ1608Y102BT
EP104
L1SS400
D251
0.01
C38
2.2
R16
22P
C371
PT8V
220
R93
0.01
C235
MMZ1608Y102BT
EP119
0.01
C46
10 CE-LH
C12
PVDL
MMZ1608Y102BT
EP111
0.01
C219
+8V
MPZ1608S221A
EP48
10 CE-LH
C15
USB_AF_L
33K
R262
MIXAV
220
R101
0.01
C212
220
R98
47
R35
USB_AF_R
MIXBV
MMZ1608Y102BT
EP108
0.01
C232
47
R191
J91
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
0.1
C373
ASTB2
MMZ1608Y102BT
EP96
0.01
C214
0.01
C192
MMZ1608Y102BT
EP44
J61
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
15K
R354
DSAPB
MMZ1608Y102BT
EP118
0.01
C231
47
R187
MMZ1608Y102BT
EP37
DSONBH
MMZ1608Y102BT
EP109
0.01
C239
0.01
C193
0.01
C32
27
R353
100K
R288
DIDL
MMZ1608Y102BT
EP102
0.01
C3
47
R34
J131
12
34
56
78
91
0
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
DIDV
MMZ1608Y102BT
EP107
0.01
C215
220
R41
MMZ1608Y102BT
EP161
15K
R352
PFORL
MMZ1608Y102BT
EP106
0.01
C234
0.01
C39
MMZ1608Y102BT
EP159
MSTB2
MMZ1608Y102BT
EP105
0.01
C5
MMZ1608B301CT
EP157
22P
C352
PDIDL
MMZ1608Y102BT
EP64
0.01
C237
MPZ1608S221A
EP52
MMZ1608B301CT
EP155
DSONAH
0.01
C4
220
R152
27
R351
J232
1
1
2
2
3
3
4
4
5
5
6
6
7
7
DSONA
MMZ1608Y102BT
EP103
0.01
C240
MMZ1608B301CT
EP150
MPZ1608S221A
EP216
BNDAV
MMZ1608Y102BT
EP92
0.01
C1
MMZ1608B301CT
EP148
MPZ1608S221A
EP220
DSC7004S0
Q251
PFIDL
MMZ1608Y102BT
EP116
0.01
C211
MMZ1608B301CT
EP146
MPZ1608S221A
EP211
DBX_AF
MMZ1608Y102BT
EP94
0.01
C236
MMZ1608Y102BT
EP144
MPZ1608S221A
EP236
10K
R252
BSPI_CLK
MMZ1608Y102BT
EP63
0.01
C2
MMZ1608B301CT
EP142
MPZ1608S221A
EP231
8.2K
R272
SPIBADC_CS
MPZ1608S221A
EP61
+8V
0.01
C220
LRB706F
D292
MMZ1608B301CT
EP140
MPZ1608S221A
EP201
DBR_IF
0.01
C238
220
R138
MMZ1608Y102BT
EP213
/BCAL
220
R68
0.01
C217
MMZ1608B301CT
EP137
MMZ1608Y102BT
EP214
BNDAV
BNDBV
SQLAS
TRVI
SQLBS
TRAS
SENI
RTKI
EALC_ACC
VBUS
VBUS
DRESH
DSCLA
DSDAA
MDAT
MCK
DSTBA
PT8V
PFIDL
THML
PVDL
FID2V
DIDV
FID1V
PDIDL
DSTBB
MCK
MDAT
DSCLB
DSDAB
DRESH
DSAPBH
DSONBH
DSAPAH
DSONAH
RBAGC_DET
REVPA
DSONA
MDAT
CIVE
EXRL1
METMV
DSAPA
MCK
DRESH
ASTB1
DSTBA
ASTB2
MSTB1
MSTB2
COSTB
DSONB
METSV
KEY
DSDAB
DSTBB
EXRL2
DSAPB
DSCLB
REVPB
CIV
DSCLA
DSDAA
FIDL
PFORL
VDL
R8V
CIVE
EPAD2
COSTB
MCK
MDAT
DRESH
KEY
EALC_ACC
REVPB
METSV
CIV
METMV
REVPA
EXRL1
EALC
EPAD1
EXRL2
EPAD1
EPAD2
USB_DP1
USB_DM1
USB_/PWR1
SENI
USB_/PWR2
USB_DM2
USB_DP2
USB_/PWR1
USB_DM1
USB_DP1
VBUS
SPK
RTKI
TRVI
TRAS
SQLBS
ALCL
DIDL
PREFL
SQLAS
THML
RAAGC_DET
RAAGCV
RBAGCV
MIXAV
DBX_USB
DBX_AF
SPIBADC_CS
BSPI_MOSI
BSPI_CLK
BSPI_MISO
DAX_USB
DAX_AF
SPIAADC_CS
ASPI_MOSI
ASPI_CLK
ASPI_MISO
MIXBV
DAR_MIC
DAX_TIF
/ACAL
/BCAL
6M_BCLK
96K_FRM
CLK12M
DBR_IF
DAR_IF
RBIFMS
RAIFMS
T8V
USB_DP2
USB_DM2
USB_/PWR2
+8V
MCLK24M
+3R3V
+15V
4:MOD
5:AF
6:SQLS
7:13.8V
1:8V
8:ALC
2:GND
3:SEND
4:BAND
5:ALC
6:TRV
7:13.8V
3:SEND
4:MOD
6:SQLS
1:RTTY
2:GND
5:AF
8:ALC
7:13.8V
1:8V
2:GND
3:SEND
4:BAND
5:ALC
6:TRV
7:13.8V
DIFA
DIFB
1:RTTY
2:GND
3:SEND
F202 1202
(MAX 1A)
VBUS3.3V
[USB-B]
USB-
USB+
+3R3V
GND
GND
GND
+11V
+15V
+15V
-12V
+15V
GND
+3R3V
GND
+3R3V
+15V
REG8V
FID2V
PDIDL
PVDL
PFIDL
THML
FID1V
PT8V
DIDV
+15V
+8V
+3R3V
-12V
-8V
MAIN-6
MAIN-5
MAIN-3
MAIN-2
MAIN-5
MAIN-4
MAIN-3
MAIN-2
TO VR-C J2
TO RF-A J3701
TO RF-B J3701
[36KIFA]
[36KIFB]
[ACC(1) (A)]
[ACC(2) (A)]
[ACC(1) (B)]
[ACC(2) (B)]
[DC OUT]
MAIN UNIT (MAIN-1)
TO DIGISEL-A J2018/TO DISISEL-B J2018
TO DISISEL-A J2017
TO DISISEL-B J2017
TO PA200W J2
TO DSP J1
TO LOGIC J1201
TO LOGIC J1251
TO CONNECT J11
TO LOGIC J1291
1.4 V
1.1 Vp-p
12MHz(83ns)
0.03- 2M 3.8V 3.8V
BNDAV BNDBV
2- 4M 3.1V 3.1V
4- 8M 2.6V 2.6V
8-11M 0.0V 0.0V
11-15M 2.1V 2.1V
15-22M 1.6V 1.6V
22-30M 1.2V 1.2V
30-60M 1.0V 1.0V
1.5 V
2.1 Vp-p
6.0 MHz (166 ns)
0.0
6.8
-11.5
5.0
-8.0
8.0
8.0
15.1
10.8
3.3