Dsp Board - Icom IC-M802 Service Manual

11-2-7 DSP BOARD

DSP BOARD
160ns
2.6V
80ns
0.4V
2.3V 0V
0.9V
0V
L1 C1
EP2 2.2µ 0.0047
1
IC1
TC7WHU04FU 2 5
CP1
D Q
8 1 W1
C.P8S
7 2 3 6
CK Q
6 3
5 4
IC3
C6 R3 C8 C9 SN74AHC74PW
4
47p 47k 10p 5p
R2 X1
1k CR-566
(12.288 MHz)
R1
C2 C3
1M
27p 27p
1.7V
1.5V
0V
L51 C51
2.2µ 0.0047
CP301
IC51
TC7WHU04FU
8 1
7 2
6 3
5 4
X51
R52
CR-709
100
L301 L302 L52
2.2µ 2.2µ 1.0µ
R51
C53 C52 C54
5p 1M 5p 0.01
R322
47
1
A20
2
VSS
3
A19
4
C301 A18
5
0.0047 A17
6
DVDD
7
A16
8
A15
A15
9
VSS
A14 10
A14
A13 11
A13
C302 0.0047 12
CVDD
A12 13
A12
A11 14
A11
C303 0.1 15
DVDD
A10 16
A10
A09 17
A9
18
VSS IC301
19
A08 TMS320VC33PGEA120
A8
A07 20
A7
A06 21
A6
A05 22
A5
C304 0.0047 23
DVDD
A04 24
A4
25
VSS
A03 26
A3
A02 27
A2
C305 0.1 28
CVDD
29
A01
A1
30
A00
A0
C306 0.1 31
DVDD
32
CP302 PAGE3
33
CP305 PAGE2
34
VSS
35
CP304 PAGE1
36
CP303 PAGE0
CP306
CP307
CP308
L3
L2
2.2µ
2.2µ
IC3
IC4
SN74AHC74PW SN74AHC74PW
14 14
C4 V+ C7 V+
0.0047 GND 0.1 GND
7 7 20.8µs
3.3V
IC3 0V
13 SN74AHC74PW 1 13
12 9 2 5 12 9
D Q D Q D Q
11 8 3 6 11 8
CK Q CK Q CK Q
10 4 10
IC4 IC4
SN74AHC74PW SN74AHC74PW
10.4µs
3.3V
0V
L801
IC801
2.2µ
SN74AHC244PW C802
0.001
1 20
ENA VCC
2 19
A1 ENB
CP801
3 18 8V
YB4 YA1
4 17 FBSY
A2 B4
5 16 FOK CP812
YA2
YB3
6 15 GND1
B3
A3
7 14 FSTB CP803
YA3
YB2
8 13 FCK
B2
A4
9 12 FDAT CP805
YA4
YB1
10 11 DRES
GND B1
FINT
CP807
FENA
FDIS CP809
GND1
Q201
XP4312
W303
4
5
6
W302
W311
W312
Q301
DTC144EU
D302 DA221
D301
R323 R324
DA221
10k 10k
Q302
DTC144EU
D303 DA221
D304 DA221
C320
0.1
108 MEASUREMENT CONDITIONS
DVDD
107
frequency : 14.1MHz USB
CLKR0
106
SG input : off
FER0
105
Digital tester
VSS
104
Oxilloscope(20MHz)
DR0
103
Voltage at rx
TRST C321
102
TMS 0.1
101
CVDD
100
TDI
99
TDO
98
TCK
97
VSS
96 R320 4.7k
C322
EMU0
95 R321 4.7k
EMU1 0.0047
94
DVDD
93 D00
D0
92
D01
D1
91 D02
D2
90 D03
D3
89
VSS
88 D04
D4
87 D05
D5
86 C323 0.1
DVDD
85 D06
D6
84 D07
D7
83
C324 0.0047
CVDD
82
D08
D8
81 D09
D9
80
VSS
79 D10
D10
78 D11
D11
77 C325 0.0047
DVDD
76 D12
D12
75 D13
D13
74 D14
D14
73 D15
D15
CP360
PD
CP359
EMU1
CP358
TDI
CP357
TDO
CP356
TMS
CP355
EMU0
CP354
TCK
CP353
TRST
CP352
CP351
L101 L102
2.2µ 2.2µ
IC101
C101
SN74HCT244APW
0.1
1 20
ENA VCC
2 19
8
A1 ENB
3 18 7
YB4 YA1
4 17 6
A2 B4
5 16 5
YB3 YA2
6 15
A3 B3
7 14
YB2 YA3
8 13
A4 B2
9 12 C102 C103
YB1 YA4
10 11 10 0.1
GND B1
A
IC201
M29W102BB
A09 1 40
A9 VSS B
A10 2 39 A08
A10 A8
A11 3 38 A07
A11 A7
A12 4 37 A06
A12 A6
C202
CP811 A13 5 36 A05
A13 A5 C
0.1
A14 6 35 A04
A14 A4
CP802 A15 7 34 A03
A15 A3
8 33 A02
NC A2
CP804 9 32 A01 5 1
W201 W A1
10 31 A00 2
VCC A0
CP806 11 30 4 3
RP G
12 29 D00
E DQ0
CP808 D15 13 28 D01 IC202
DQ15 DQ1
D14 14 27 D02 TC7SH04FU
DQ14 DQ2
CP810 D13 15 26 D03
DQ13 DQ3
D12 16 25 D04
DQ12 DQ4
D11 17 24 D05
DQ11 DQ5
D10 18 23 D06
DQ10 DQ6
D09 19 22 D07
DQ9 DQ7
D08 20 21
C203 0.1
DQ8 VSS
C201
5 1
0.1
2
3
4 3
2
IC203
TC7SH32FU
1
A B C
L401 2.2µ
D00
D01 1 16
QB VCC
D02 2 15
QC QA
D03 3 14
QD SI
D04 4 13
QE G
D05 5 12
QF RCK
D06 6 11
QG SCK
D07 7 10
QH SCLR
8 9
GND QH'
L406
C401
IC401 2.2µ
0.0047
SN74AHC595PW
C406 14
0.0047
V+
SN74AHC74PW
GND
7
IC406
SN74AHC74PW
C407 L403
0.001 2.2µ
IC403
SN74AHCT374PW
20 1
VCC O-CTRL
19 2 OUT1
8Q 1Q
D15 18 3 SN74AHC74PW
8D 1D
17 4
D14
7D 2D
16 5 OUT2
7Q 2Q
15 6 OUT3
6Q 3Q
D13 14 7
6D 3D
D12 13 8
5D 4D
12 9 OUT4
5Q 4Q
11 10
CLK GND
C403
0.0047
OUT5
OUT6
OUT7
OUT8
D11
D10
D09
D08
L404 2.2µ
IC404 L405
SN74AHCT374PW
C408 2.2µ
20 1 0.001
VCC O-CTRL
D0H 19 2 D0A IC405
8Q 1Q
D07 18 3 BU4021BF
8D 1D
D06 17 4 D0H 1
7D 2D H VDD
D0G 16 5 D0B 2
7Q 2Q QF G
D0F 15 6 D0C 3
6Q 3Q QH F
D05 14 7 D0D 4
6D 3D D E
D04 13 8 D0C 5
5D 4D C QG
D0E D0D 6
12 5Q 4Q 9 D0B B SER
7
11 10 D0A
CLK GND A CLK
8
VSS P/S
C404
0.0047
D03
D02
D01
D00
1.82V
R151
68
4.07V
IC152
TK11218CM
IC102 1 6
CONT VIN
BU9480F 2 5
GND
GND
3 4
1
VCC OUTR N.BYPASS VOUT
2
BCLK REF
3
SDATA GND
4
LRCLK OUTL
C104
10
DSP02 DSP02 DSP02
L501 L502
AGC1 DSP02 AGC1 DSP02 AGC1 DSP02
2.2µ 2.2µ
2.83V
R501
4.7
R602
IC501 4.7k
AK4528VF
1 28 2.83V
AOUTR+
VCOM
2 27
AOUTR-
AINR+
3 26
AINR- AOUTL+
4 25
AINL+ AOUTL-
5 24
AINL- DGND
6 23
VREF VD
7 22
AGND VT
8 21 R611
VA DEM1
9 20 5.6k
P/S DEM0
10 19
MCLK PDN
11 18
DFS
LRCK
12 17
CSN
BICK
13 16
SDTO CCLK
14 15 R605 R606
SDTI CDTI
1k 1k
W501
2.83V
KEYIN
UNLK
W502
R659
5.6k
W503
2.83V
W504
DI R653 R654
1k 1k
W505
CK
IC406 2.5V
1 R701
4.7k
5 2
Q D
6 3
RQI
Q CK
2.5V
R702
4.7k
4
R707
IBS
1k
OBS
13
R708 C707
1k 100
9 12
Q D
8 11 ROO
2.49V
Q CK R751
4.7k
IC406
10
DRES
2.49V
R752
4.7k
R757
1k
R758 C757
1k 100
W903
R904
10k
W904
16 RQI
15 D0G CK
14 D0F
13 D0E RQO
12 OBSY
11
10 OUT1
9 STBO OUT3
OUT5
C405
OUT7
0.0047
W951 [OTH] only
KEYIN
DRES
DO
W952
11 - 8
5.01V
3.36V
6.84V
7.61V
IC161 IC171
BA033FP TK11250CM
1 6
CONT VIN
2 5
O I GND GND
3 4
N.BYPASS VOUT
G
W2
W151 W3
W902 W171 W152
W4
L601
100µ
R601
1.2k IC601
BA15532F
8
V+
W5
GND
4
C601
10
R607 R609
4.7k 4.7k
IC601a R608 IC601b R610 C606
BA15532F 4.7k BA15532F 4.7k 1
R603 2 6
390
1 7
3 5
C602
0.0015
R604
390
C605
0.1
L651
100µ
IC651
BA15532F
8
V+
3.93V
GND
4
R655 R657
4.7k 4.7k
R658 C655
R656
R651 4.7k 1
4.7k
2 6
390
1 7
3 5
IC651a IC651b
C651
0.0015 BA15532F BA15532F
R652
390
C654
0.1
L701
100µ
IC701
µPC4570G2
8
V+
GND
4 J901
DSPI1 1 2 GND
GND GND
R703
GND DSPI2
3.3k
GND GND
8V 8V
C702 GND GND
C701 R704 IC701b
100p AGC2 AGC1
µPC4570G2
270p 6.8k C708
6 GND GND
10
7 DSPO1 GND
5 GND GND
GND 21 22 DSPO2
R705 R706
6.8k
3.3k
C705
C901
to MAIN
100p 0.001
unit J1102
3.84V
C706
0.1
R753
3.3k
MAIN UNIT (3)
C752
IC701a
R754
C751 100p µPC4570G2
J1102
6.8k C758
270p
2
10 2 1
1 DSPI1 GND
GND GND
3
GND DSPI2
R755 R756 GND GND
3.3k
6.8k 8V 8V
C755
GND GND
100p
AGC2 AGC1
3.84V
GND GND
C756
DSPO1 GND
0.1
GND GND
GND DSPO2
22 21
J902
J1101
GND1 2 1 192K
1 2
GND1 GND1 GND1 192K
IBSY GND1 GND1
RQI IBSY
DI DI
CK DI
GND1 GND1
GND1 GND1
DO
RQO DO
STBO STBO
OBSY STBO
GND1 GND1
GND1 GND1
OUT2
OUT1 OUT2
OUT4
OUT3 OUT4
OUT6
OUT5 OUT6
OUT8 OUT7 OUT8
GND1 GND1 GND1 GND1
UNLK KEYIN UNLK
30 29 GND1 DRES GND1
29 30
D901
to MAIN
MA729
unit J1101
R905 R906
10k 10k