Icom IC-7851 Servise Manual page 167

DSP UNIT (DSP-2)
R356
ASPI_CLK_
ASPI_MOSI_ IC351
ASPI_CS 1 8
CS VCC
2 7
ASPI_MISO_
DO(DQ1) NC(DQ3) TO
3 6
22
CLK
WP(DQ2)
4 5 DSP
R354 DI(DQ0)
VSS
DRESD_A
ICE
22
EN25Q40A
R355
47K
R352
1K
0.1 1
VDD_INT
C304 2
R303 47K
CLK_CFGl
3
R301 47K
BOOT_CFG0
0.1
C305 4
VDD_EXT
C306 0.1 5
VDD_INT
R302 47K 6
BOOT_CFGl
7
GND
8
NC
9
NC
10
R304 47K
CLK_CFGO
11
C307 0.1
VDD_INT
12
CLKIN
13
XTAL
C309 0.1 14
VDD_EXT
C310 0.1 15
VDD_INT
C311 0.1 16
VDD_INT
17
RESETOUT/RUNRSTIN
18
C312 0.1
VDD_INT
19
ASPI_MOSI_
DPI_P0l
ASPI_MISO_ 20
DPI_P02
ASPI_CLK_ 21
DPI_P03
C313 0.1 22
VDD_INT
ASPI_CS 23
DPI_P05
SPIAADC_CS_ 24
DPI_P04
DAVOX_ 25
DPI_P06
R307
4.7K
R371 R373
AVSQ_
AVSQ
ANSQ_ CTFL_
ANSQ CTFL
RAIFMS_ DAVOX_
RAIFMS DAVOX
FRWT_A SPIAADC_CS_
FRWT SPIAADC_CS
22 22
R372 R374
ASPI_CLK_ DARSV1_
ASPI_CLK DARSV1
ASPI_MISO_ ATND_
ASPI_MISO
ATND
ASPI_MOSI_ DSKY_
ASPI_MOSI DSKY
DRESD_A ARTD_
DRESD ARTD
22 22
J361
R361
1
4.7K
2
/ATRST
3
ATMS
4
ATDI
5
ATDO
6
ATCK
7
8
/AEMU
9
R362 EP301 EP302
10
MPZ1608S221A MPZ2012S331A
4.7K
3.2
DSPA_1R1V
75 C322
VDD_INT
74 C323
VDD_INT
73
C324
VDD_INT
72 C325
VDD_INT
71
VDD_THD
70
THD_P
69
THD_M
68
GND
67 C326
VDD_INT
66 C327
VDD_INT
65
IC301 DAI_Pll
64 C328
ADSP-21489BSWZ VDD_INT
63
DAI_Pl2
62
DAI_Pl5
61
DAI_Pl6
60
DAI_Pl7
59
DAI_Pl8
58
DAI_Pl4
57
DAI_P04
56
DAI_P08
55 C329
VDD_INT
54
DAI_P20
53 C330
VDD_EXT
52 C331
VDD_INT
51
DAI_P10
R375 R377
ADSPX_ 6M_BCLK_
ADSPX 6M_BCLK
/ACAL_ DAR_MOD_
/ACAL DAR_MOD
AHSK0_ DAX_MREC_
DAX_MREC
AHSK0
AHSK1_ DR_AF_A
DR_AF
AHSK1
22 22
R376 R378
DAR_IF_
DSPR_A 48K_FRM_
DSPR 48K_FRM DAX_AF_
ADSPCR_ DAX_TIF_
ADSPCR DAX_TIF DAX_USB_
ADSPCX_ 96K_FRM_
ADSPCX 96K_FRM DAR_MIC_
DSPCK_A 3M_BCLK_
DSPCK 3M_BCLK
22 22
R456
BSPI_CLK_
BSPI_MOSI_ IC451
BSPI_CS 1
CS
2
BSPI_MISO_
DO(DQ1)
3
22
WP(DQ2)
4
R454
VSS
DRESD_B
EN25Q40A
22
R455
47K
1.1
R452
1K
0.1 0.1
C404
0.1
0.1
0.1 C405 0.1
C406 0.1
R402 47K
0.1
0.1
48K_FRM_ C407 0.1
0.1
DAR_IF_
DAX_AF_ C409 0.1
DAX_USB_ C410 0.1
DAR_MIC_ C411 0.1
DAX_TIF_
96K_FRM_ C412 0.1
3M_BCLK_ BSPI_MOSI_
6M_BCLK_ BSPI_MISO_
0.1 BSPI_CLK_
DAF_AOBI C413 0.1
0.1 BSPI_CS
0.1 SPIBADC_CS_
DAF_AIBO DBRSV2_
40.7 nsec
(24.576 MHz)
V
3.4 V
40.7 nsec
(24.576 MHz)
V
t
R380
96K_FRM_ 96K_FRM_B
6M_BCLK_ 6M_BCLK_B BVSQ_
48K_FRM_ 48K_FRM_B BNSQ_
3M_BCLK_ 3M_BCLK_B RBIFMS_
22 FRWT_B
R379 R382
DAF_AOBI DAF_AOBI_
DAR_IF
22 BSPI_CLK_
DAX_AF BSPI_MOSI_
R381
DAX_USB DAF_AIBO DAF_AIBO_ BSPI_MISO_
DAR_MIC DRESD_B
22
22
DSP-1
J461
R462
1
2 4.7K
8 /BTRST
VCC 3
7
BTMS
NC(DQ3) 4
6 TO
BTDI
CLK 5
5 BTDO
DI(DQ0)
DSP 6
BTCK
7
ICE
8
/BEMU
9
R461
10
4.7K
1
VDD_INT
2
R403 47K
CLK_CFGl
3
R401 47K
BOOT_CFG0
4
VDD_EXT
5
VDD_INT
6
BOOT_CFGl
7
GND
8
NC
9
NC
10
R404 47K
CLK_CFGO
11
VDD_INT IC401
12
ADSP-21489BSWZ
CLKIN
13
XTAL
14
VDD_EXT
15
VDD_INT
16
VDD_INT
17
RESETOUT/RUNRSTIN
18
VDD_INT
19
DPI_P0l
20
DPI_P02
21
DPI_P03
22
VDD_INT
23
DPI_P05
24
DPI_P04
25
DPI_P06
R406
4.7K
R407
4.7K
3.4 V
t
R471 R473 R475
BRTD_ BDSPCX_
BVSQ BRTD
DSPCK_B
BNSQ
DBRSV2_ BDSPX_
RBIFMS DBRSV2
SPIBADC_CS_ /BCAL_
FRWT SPIBADC_CS
22 22 22
R472 R474 R476
BHSK0_ DBX_REC_
BSPI_CLK BHSK0
BHSK1_ DR_AF_B
BSPI_MOSI BHSK1
DBRSV1_ DSPR_B
BSPI_MISO DBRSV1
BTND_ BDSPCR_
DRESD BTND
22 22 22
*: Refer to the PARTS LIST for the value and name of component.
9-24
DSP-1
+3R3V
+1R1VA
+1R1VB
EP401 EP402
MPZ1608S221A MPZ2012S331A
3.2
1.1
DSPB_1R1V
75 0.1
C422
VDD_INT
74
C423 0.1
VDD_INT
73
C424 0.1
VDD_INT
72 C425 0.1
VDD_INT
71
VDD_THD
70
THD_P
69
THD_M
68
GND
67 0.1
C426
VDD_INT
66
C427 0.1
VDD_INT
65 48K_FRM_B
DAI_Pll
64 C428 0.1
VDD_INT
DBR_IF_
63
DAI_Pl2
DBX_AF_
62
DAI_Pl5
61 DBX_USB_
DAI_Pl6
60
DAI_Pl7
59
DAI_Pl8
58 96K_FRM_B
DAI_Pl4
57 3M_BCLK_B
DAI_P04
6M_BCLK_B
56
DAI_P08
55 C429 0.1
VDD_INT
DAF_AIBO_
54
DAI_P20
53 C430 0.1
VDD_EXT
52 C431 0.1
VDD_INT
51 DAF_AOBI_
DAI_P10
R477
DBX_IF_
BDSPCX DBX_IF
DBX_AF_
DSPCK DBX_AF
DBX_USB_
BDSPX DBX_USB
DBR_IF_
/BCAL
DBR_IF
22
DBX_REC
DR_AF
CLK24M_A
DSPR CLK24M_A
BDSPCR CLK24M_B