Icom IC-7851 Servise Manual page 166

DSP UNIT (DSP-1)
L151
10U
L171
10U
EP181 EP182
MMZ1608S601A MMZ1608S601A
IC181
X181 1 5
C182 R182 R186
4 3 2
VCC OUT
1 2 0.001 1K 3 4 100
VCONT GND
CR-939 SN74AUP1T17DCKR
R184
47K
R187
100
40.7 nsec
V
(24.576 MHz)
3.4 V
t
MMZ1608Y102BT
+3R3V
MP151
3183
IC151
ADP2370ACPZ
1 8 L152
VIN PGND EP151
R151
2 7 +1R1VA
FSEL SW
10K 3 6
2.7U MPZ2012S601A
EN PG
4 5
SYNC FB
R152
10K
MP152
3183
IC171
ADP2370ACPZ
1 8 L172
R171 VIN PGND EP171
2 7 +1R1VB
FSEL SW
3 6
10K MPZ2012S601A
EN PG 2.7U
4 5
R172 SYNC FB
10K
EP186
MMZ1608S601A
IC186
1 8
R192
2 7
3 6
220
4 5
SN74LVC3G34DCUR [MCLK24M]
TO MAIN J133
J182
IC201
1 8
CLK VCC
2 7
D PRE
3 6
Q CLR
4 5
GND Q
R202
SN74LVC2G74DCTR CLK12M
22
R198
R197
CLK24M
22
0
R188
68
9-23
MMZ1608Y102BT
1.1
1.1
C131 0.01
J131
GND
1
GND
2
EP131
+3R3V
3
MPZ2012S221A +3R3V
EP132 4
+11V
5
MPZ2012S221A +11V
6
C132
0.01
C133
100 CE-LH
CP301
SHORT
CP302
SHORT
CP401
SHORT
CP402
SHORT
+3R3V
+1R1VA
+1R1VB
DSPCK
DSPCK
DSPR
DSPR
DRESD
DRESD
FRWT
FRWT
ADSPX
ADSPX
ADSPCX
ADSPCX
ADSPCR
ADSPCR
RAIFMS
RAIFMS
AHSK0
AHSK0
AHSK1
AHSK1
DARSV1
DARSV1
DAVOX
DAVOX
ARTD
ARTD
ATND
ATND
AVSQ
AVSQ
ANSQ
ANSQ
DSKY
DSKY
CTFL
CTFL
BDSPX
BDSPX
BDSPCX
BDSPCX
BDSPCR
BDSPCR
RBIFMS
RBIFMS
BHSK0
BHSK0
BHSK1
BHSK1
DBRSV1
DBRSV1
DBRSV2
DBRSV2
BRTD
BRTD
BTND
BTND
BVSQ
BVSQ
BNSQ
BNSQ
ASPI_MISO
ASPI_MISO
ASPI_MOSI
ASPI_MOSI
ASPI_CLK
ASPI_CLK
SPIAADC_CS
SPIAADC_CS
BSPI_MISO
BSPI_MISO
BSPI_MOSI
BSPI_MOSI
BSPI_CLK
BSPI_CLK
SPIBADC_CS
SPIBADC_CS
96K_FRM
96K_FRM
6M_BCLK
6M_BCLK
48K_FRM
48K_FRM
3M_BCLK
3M_BCLK
DAX_MREC
DAX_MREC
DAR_MOD
DAR_MOD
DR_AF
DR_AF
DBX_REC
DBX_REC
DBX_IF
DBX_IF
DAR_MIC
DAR_MIC
DAX_TIF
DAX_TIF
DAR_IF
DAR_IF
DAX_AF
DAX_AF
DAX_USB
DAX_USB
/ACAL
/ACAL
DBR_IF DBR_IF
DBX_AF DBX_AF
DBX_USB DBX_USB
/BCAL /BCAL
CLK24M_A
CLK24M_B
*: Refer to the PARTS LIST for the value and name of component.
TO LOGIC J1391