Icom IC-7851 Servise Manual page 154

MAIN UNIT (MAIN-1)
F202 1202
[DC OUT] D201 D202 EP201
DSM3MA4 F201
DSM3MA4 MPZ1608S221A
(MAX 1A)
FHA010
0.0
J201
C201
100P
6.8
R271
[ACC(1) (A)]
J211
8.2K
6
EP213 MMZ1608Y102BT
7
1:RTTY
6 7
2:GND 1 EP214 MMZ1608Y102BT
3:SEND 8 EP215 MMZ1608Y102BT
4:MOD 3 EP216 MPZ1608S221A
1 8 3
5:AF 4 EP217 MMZ1608Y102BT
6:SQLS 2
7:13.8V 5 EP218 MMZ1608Y102BT
4 5
8:ALC
2
0.01 0.01
0.001 0.01
[ACC(2) (A)] J212
6
EP219 MMZ1608Y102BT
7
1:8V
6 7
2:GND 1 EP220 MPZ1608S221A
3:SEND
4:BAND 3
1 3
5:ALC 4 EP221 MMZ1608Y102BT
6:TRV 2
7:13.8V 5
4 5
2
0.01 0.01
0.01
R272
[ACC(1) (B)]
J231
8.2K
6 EP233 MMZ1608Y102BT
1:RTTY 7
6 7
2:GND 1 EP234 MMZ1608Y102BT
3:SEND 8 EP235 MMZ1608Y102BT
3
4:MOD EP236 MPZ1608S221A
1 8 3
4
5:AF EP237 MMZ1608Y102BT
2
6:SQLS
7:13.8V 4 5 5 EP238 MMZ1608Y102BT
8:ALC
2
0.01 0.001 0.01 0.01
[ACC(2) (B)] J232
6 EP239 MMZ1608Y102BT
1:8V 7
6 7
2:GND 1 EP240 MPZ1608S221A
3:SEND
3
4:BAND
1 3
4
5:ALC EP241 MMZ1608Y102BT
6:TRV 2
7:13.8V 4 5 5
2
0.01 0.01 0.01
BNDAV BNDBV
0.03- 2M 3.8V 3.8V
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
[USB-B]
R295
1.5K
CP291 USB+ R296
27
J291 CP292 SHORT USB- R297
27
R294 SHORT VBUS
1K
R298
100K
D291
USB_/PWR1
USB_DM1 R356
USB_DP1 R357
+15V
+8V
R256 +3R3V
4.7K -12V
-8V
SENI
Q253
L2SC4081
R253
D251
33K
-11.5
L1SS400
Q251
DSC7004S0
R255
TRAS
150 Q252
LDTA114EE
DRESH
EALC_ACC DSCLA
DSDAA
MDAT
MCK
DSTBA
DSONAH
Q271 DSAPAH
LDTC114EE
SQLAS
0.01 0.01
RTKI
D261
R262
Q261
L1SS400 33K
L2SC4081
C161 0.01
C159 0.01
C144 0.01
SQLBS
Q272
LDTC114EE
TRVI
R266 Q266
L2SC4081
10K
R281
C281
0.1
100
8
V+ IC281
0.01 0.01
GND NJM4558M
4
R282
C282
0.1 100
R285 100K
2
IC281
R283
1
3 BNDAV
470 NJM4558M
J133
R286 100K
IC281 C160
6
R284
7
0.01
5 BNDBV
470
NJM4558M
6.0 MHz (166 ns)
1.5 V 2.1 Vp-p
EP292 VBUS3.3V
R299 MPZ1608S601A
C297 10
1.5K
C302 0.1
X291
CR-890
1 24
DP0 DP4
2 23
DM0 DM4
3 22
VCC OVRCUR4
4 IC291 21
RESET PWRON4 R351
5 TUSB2046BIVFR 20 R353
EECLK DP3
6 19
EEDATA/GANGED DM3
7 18
27
GND OVRCUR3
8 17
BUSPWR PWRON3
D292 R373
R371
0 R311 27
27
0 R313
27
27
9-11
MPZ1608S221A
J171
MPZ1608S221A
EP171 +15V
6
EP172 +3R3V
5
GND
4
TO DIGISEL-A J2018/TO DISISEL-B J2018
EP173 +15V
3
EP174 +3R3V
2
GND
MPZ1608S221A
1
MPZ1608S221A
J176 J187
10 10
R176 47 DRESH R186 47
9
9
R177 47 DSCLB R187 47
8 8
R178 47 DSDAB R188 47
7 7
R179 47 MDAT R189 47
6 6
R180 47 MCK R190 47
5 5
R181 47 DSTBB R191 47
4 4
EP182 DSONBH EP192
3 3
EP183 DSAPBH EP193
2 2
MPZ1608S221A
MPZ1608S221A 1 1
MPZ1608S221A
MPZ1608S221A
TO DISISEL-A J2017
TO DISISEL-B J2017
RBAGCV
RAAGCV
C136 0.01
C134 0.01
C132 0.01
C131 0.01
MMZ1608S601A
CP371
27
SHORT
C373 0.1
IC371
5 1
VCC A
2
R375 B
4 3
Y GND
1.5K
SN74AHC1G32DCK
R381 22
R382 22
Q371
LDTC114EE
IC11 NJM7808DL1A
8.0 O I
G
-8.0 IC16 NJM7805DL1A
O I
G
5.0
J121
THML MMZ1608Y102BT EP121 THML
1
PFIDL MMZ1608Y102BT EP122 PFIDL
2
PDIDL MMZ1608Y102BT EP123 PDIDL IC22 AN79L08M
3
PVDL MMZ1608Y102BT EP124 PVDL
4
FID1V MPZ1608S221A EP125 FID1V
5 O I
FID2V MPZ1608S221A EP126 FID2V
6 G
DIDV MPZ1608S221A EP127 DIDV
7
PT8V MPZ1608S221A EP128 PT8V
8
9
TO PA200W J2
C42 0.01
C68 0.01
C67 0.01 C64 0.01 C44 0.01
C66 0.01 C63 0.01 C45 0.01
C65 0.01
C61 0.01
C46
0.01
C77 0.01
C76 0.01
C75 0.01 C71 0.01
C74 0.01 C70 0.01
C73 0.01
C72 0.01
C47
22P
R8V
C389 2.2 F93
EP382
C390 10
C391 0.1
12MHz(83ns)
1.4 V 1.1 Vp-p
R385
1M
X381
CR-870
Q401
LDTC114EE
C388
IC401
10 CE-LH
16 1
VDD Y1
15 2
C386 Y Y0
14 3
X Z1
13 4
10 CE-LH X1 Z
12 5
X0 Z0
11 6
A INH
10 7
B VEE
9 8
C VSS
C387
CD4053B
10 CE-LH
*: Refer to the PARTS LIST for the value and name of component.
C2 0.01
3.3
C1 0.01
GND
1
GND
2
EP1 MPZ2012S601A +3R3V
3
R11 EP2 MPZ2012S601A REG8V
4
2.2 EP3 MPZ2012S601A +11V
5
+15V
6
L4 68U +15V
7
10.8
-12V
8
L5 68U GND
9
EP6 MPZ1608S221A
R16
C5 0.01 J1
C4 0.01
2.2
C3 0.01
C6 TO LOGIC J1291
8.0
Q24
470 EEE-FK
DSC7004S0 R25 15.1 MAIN-2
+3R3V
4.7
+5V
+8V
+15V
R24
-8V
33
MAIN-3
+3R3V
+5V
+8V
+11V
+15V
-12V
-8V
T8V
MAIN-4
+5V
+15V
C37 0.01
-12V
C38 0.01
-8V
C39 0.01
T8V
C40 0.01
C41 0.01
MAIN-5
+5V
+8V
-8V
T8V
MAIN-6
+3R3V
+5V
+8V
-8V
MCLK24M
6M_BCLK
96K_FRM
/ACAL
DAR_MIC
DAX_TIF
DAX_USB
BCLK24M
DBX_USB
RAAGCV
RBAGCV
C31 0.01
C32 0.01
C33 0.01
C34 0.01
C35 0.01
C36 0.01
J196
DIFA
1 [36KIFA]
2 TO RF-A J3701
MAIN-5
RAAGC_DET
RBAGC_DET
RAIF
MCLK24M RBIF
CLK12M
96K_FRM
6M_BCLK BCLK24M
/ACAL /BCAL
J197
DAR_IF DBR_IF
DAX_AF DBX_AF
DIFB
SPIAADC_CS SPIBADC_CS [36KIFB]
1
BSPI_MOSI TO RF-B J3701
ASPI_MOSI 2
BSPI_CLK
ASPI_CLK
BSPI_MISO
ASPI_MISO
RAIFMS RBIFMS
MAIN-3
AMODIN_A
AMODIN_B
UMOD
MICE
MICI J199
BNDAV
BNDBV MDAT 1
MIXAV MCK 2
MIXBV ASTB1
FID1V ASTB2
FID2V MSTB1
DIDV MSTB2
DRESH
PFIDL
PT8V
PDIDL J198
DSONAH
PVDL
DSAPAH
PFORL 1
DSONBH
PREFL 2
DSAPBH
FIDL 3
DIDL DSONB 4
VDL DSAPB 5
ALCL DSONA 6
EALC DSAPA
DSCLA MAIN-2
DSDAA
SPK MICAFE
AAFOUT_A MICAF
AAFOUT_B LPHO
PHE
USB_AF_L
RPHO
USB_AF_R