Dsp Board - Icom IC-M802 Service Manual

11-2-7 DSP BOARD

DSP BOARD
#01:80ns
#02:160ns
2.6V
#01:40ns
#02:80ns
0.4V
0V
2.3V
0.9V
0V
L1 C1
EP2 2.2 0.0047
1
IC1
TC7WHU04FU 2
CP1
W1 D Q
C.P8S 8 1
7 2 3
CK Q
6 3
5 4
IC3
C6 R3 C8 C9 SN74AHC74PW
4
47p 47k 10p 5p
R2
470
X1
CR-628
R1
C2 C3
1M
33p 33p
1.7V
1.5V
0V
L51 C51
2.2 0.0047
CP301
IC51
TC7WHU04FU
8 1
7 2
6 3
5 4
X51
R52
100 CR-709
L301 L302 L52
2.2 2.2 1.0
C53 R51 C52 C54
1M
5p 5p 0.01
R322
47
1
A20
2
VSS
3
A19
4
C301
A18
5
0.0047
A17
6
DVDD
7
A16
A15 8
A15
9
VSS
A14 10
A14
11
A13
A13
12
C302 0.0047
CVDD
A12 13
A12
A11 14
A11
C303 0.1 15
DVDD
A10 16
A10
A09 17
A9
18
VSS IC301
A08 19
TMS320VC33PGE120
A8
A07 20
A7
21
A06
A6
22
A05
A5
C304 0.0047
23
DVDD
A04 24
A4
25
VSS
A03 26
A3
A02 27
A2
C305 0.1 28
CVDD
A01 29
A1
A00 30
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
2.2
2.2
IC3 IC4
SN74AHC74PW 14 SN74AHC74PW
14
C4 V+ C7 V+
0.0047 GND 0.1 GND
7 7
3.3V
IC3 0V
13 SN74AHC74PW 1 13
5 12 9 2 5 12 9
D Q D Q D Q
6 11 8 3 6 11 8
CK Q CK Q CK Q
10 4 10
IC4 IC4
SN74AHC74PW SN74AHC74PW
#01:5.2 s
#02:10.4 s
3.3V
0V
L801
IC801
2.2
SN74AHC244PW C802
0.001
1 20
VCC
ENA
2 19
A1 ENB
8V
3 18
YB4 YA1
FBSY
4 17
A2 B4
5 16 FOK
YB3 YA2
6 15 GND1
A3 B3
7 14 FSTB
YB2 YA3
8 13 FCK
B2
A4
9 12 FDAT
YA4
YB1
10 11 DRES
B1
GND
FINT
FENA
FDIS
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
0.1
TMS
101
CVDD
100
TDI
99
TDO
98
TCK
97
VSS
R320 4.7k
96
C322
EMU0
95 R321 4.7k
0.0047
EMU1
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
#01:10.4 s L101
2.2
#02:20.8 s
IC101
SN74HCT244APW C101
0.1
1 20
ENA VCC
2 19
A1 ENB
3 18
YB4 YA1
4 17
A2 B4
5 16
YB3 YA2
6 15
A3 B3
7 14
YB2 YA3
8 13
A4 B2
9 12 C102
YB1 YA4
10 11 10
GND B1
IC201
M29W102BB
A09 1 40
A9 VSS
A10 2 39 A08
A10 A8
A11 3 38 A07
A11 A7
CP801 A12 4 37 A06
A12 A6
CP811 C202
A13 5 36 A05
A13 A5 0.1
CP812
A14 6 35 A04
A14 A4
CP802 A15 7 34 A03
A15 A3
CP803 8 33 A02
NC A2
CP804 9 32 A01 5 1
W A1
W201
CP805 10 31 A00 2
VCC A0
CP806 11 30 4 3
RP G
12 29 D00
CP807
E DQ0
CP808 D15 13 28 D01
IC202
DQ15 DQ1
CP809 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
DQ8 VSS C203 0.1
C201 5 1
0.1
2
3
4 3
2
IC203
TC7SH32FU
1
A B C
L401 2.2
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 2.2
0.0047
SN74AHC595PW
C406 14
0.0047
V+
GND
7
IC406
SN74AHC74PW
L403
C407
0.001 2.2
IC403
SN74AHCT374PW
20 1
VCC O-CTRL
19 2 OUT1
8Q 1Q
D15 18 3
8D 1D
D14 17 4
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 2.2
IC404
L405
SN74AHCT374PW C408 2.2
20 VCC O-CTRL 1 0.001
D0H D0A
19 2 IC405
8Q 1Q
D07
18 3 BU4021BF
8D 1D
D06 17 4 D0H 1
7D 2D H
D0G 16 5 D0B 2
7Q 2Q QF
D0F 15 6 D0C 3
6Q 3Q QH
D05 14 7 D0D 4
6D 3D D
D04 13 8 D0C 5
5D 4D C
D0E 12 9 D0D D0B 6
5Q 4Q B
11 10 D0A 7
CLK GND A
8
VSS
C404
0.0047
D03
D02
D01
D00
1.82V
R151
68
4.07V
L102
2.2
IC152
TK11218CM
IC102 1 6
CONT VIN
BU9480F
2 5
GND GND
8 1 3 4
N.BYPASS VOUT
VCC OUTR
7 2
BCLK REF
6 3
SDATA GND
5 4
LRCLK OUTL
C103 C104
0.1 10
A
DSP02 DSP02 DSP02
B
L501 L502
AGC1 DSP02 AGC1 DSP02 AGC1 DSP02
2.2 2.2
C
2.83V
R501
4.7
IC501
AK4528VF
2.83V
1 28
VCOM AOUTR+
2 27
AINR+ AOUTR-
3 26
AINR- AOUTL+
4 25
AOUTL-
AINL+
5 24
DGND
AINL-
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
LRCK DFS
12 17
BICK CSN
13 16
SDTO CCLK
14 15 R605 R606
CDTI
SDTI
1k 1k
W501
2.83V
KEYIN
UNLK
R659
5.6k
2.83V
R653 R654
DI
1k 1k
CK
2.5V
IC406
1
SN74AHC74PW
5 2
Q D
6 3 RQI
Q CK
2.5V
4
R707
IBS
1k
OBS
13
R708 C707
1k 100
9 12
Q D
8 11 ROO
Q CK 2.49V
IC406
10
SN74AHC74PW
DRES
2.49V
R757
1k
R758 C757
1k 100
W903
R904
10k
W904
16 RQI
VDD
[#02]only
15 D0G CK
G
14 D0F
F
13 D0E RQO
E
12 OBSY
QG
11
SER
10 OUT1
CLK
9 STBO OUT3
P/S
OUT5
C405 OUT7
0.0047
W951
KEYIN
DRES
DO
W952
11 - 8
5.01V
3.36V
6.84V
7.61V
IC161 IC171
BA033FP
TK11250CM
1 6
CONT
VIN
2 5
GND
O I GND
3 4
G N.BYPASS VOUT
W2
W151 W3
W902 W171 W152
L601
100
R601
1.2k IC601
BA15532F
8
V+
GND
4
R602 C601
4.7k 10
R607 R609
4.7k 4.7k
IC601a R608 IC601b R610 C606
4.7k 4.7k 1
R603 BA15532F BA15532F
2 6
390
1 7
3 5
C602
0.0015
R604
390
C605
0.1
L651
100
IC651
8 BA15532F
V+
3.93V
GND
4
R655 R657
4.7k 4.7k
R658 C655
R656
R651 4.7k 4.7k 1
2 6
390
1 7
3 5
IC651a IC651b
C651
BA15532F BA15532F
0.0015
R652
390
C654
0.1
L701
100
IC701
PC4570G2
8
V+
GND
J901
4
DSPI1 1 2 GND
GND GND
R701 R703
GND DSPI2
4.7k
3.3k
GND GND
8V 8V
C702 GND GND
IC701b
C701 R704
100p AGC2 AGC1
270p PC4570G2
6.8k C708
GND GND
6
R702 10
DSPO1 GND
7
4.7k
GND
5 GND
GND 21 22 DSPO2
R706
R705
3.3k 6.8k
C705 C901
to MAIN
100p 0.001
unit J1102
3.84V
C706
0.1
R751 R753
4.7k
3.3k MAIN UNIT (3)
C752
IC701a
R754
C751 100p
PC4570G2 J1102
6.8k C758
270p 2
10 2
R752 1
1 DSPI1 GND
4.7k
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
GND1 GND1
IBSY
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