Icom IC-7410 Service Manual page 95

• MAIN UNIT (MAIN-4)
C4010
1
VDDINT
2
0 . 1 D ATA28
3
D ATA27
4
GND
5
VDDEXT
6
C4019
D ATA26
7
0 .1 D ATA25
8
D ATA24
9
D ATA23
10
GND
11
VDDINT
12
D ATA22
C4011
13
D ATA21
0 .1
14
C4020 D ATA20
15
VDDEXT
0 .1 16
GND
17
D ATA19
18
D ATA18
C4012
19
VDDINT
0 .1 20
GND
21
C4013 D ATA17
22
VDDINT
0 .1 23
GND
C4014 24
VDDINT
0 .1 25
GND
26
D ATA16
27
D ATA15
28
D ATA14
29
D ATA13
30
C4021 D ATA12
31
VDDEXT
0 .1
C4015 32
GND
33
VDDINT
0 .1 34
GND
35
D ATA11
36
D ATA10
37
DATA9
38
DATA8
39
MDAT7
DATA7
40
MDAT6
DATA6
C4022
41
VDDEXT
0 . 1 42
GND
C4016
43
VDDINT
44
MDAT4 0 . 1
DATA4
45
MDAT5/
DATA5
MDAT2 46
DATA2
MDAT3 47
DATA3
MDAT0 48
DATA0
MDAT1 C4023 49
DATA1
50
VDDEXT
0 . 1 51
GND
52
VDDINT
C4017
0 .1
J 4 0 0 1
D3R3V
1
2
/MTRST
3
MTMS
4
MTDI
5
MTDO
6
MTCK
7
8
/MEMU
9
10 R4014
4 . 7 k
R4001
R4002
0
0
R4005
4 7 k
M1R2V
156
VDDINT
155
GND
154 C4056
VDDINT
153
GND
152
VDDINT
151
GND
150 C4049
VDDEXT
149 0 . 1
D A I5
148
D A I7
R4017
147
D A I6
146 56
D A I9
145
D A I8
144
D A I 1 0
143
D A I 1 1
142
GND
141 0 . 1
VDDINT
140
GND
139 C4050
VDDEXT
138 0 . 1
VDDINT
137
D A I 1 2
I C 4 0 0 1 136
D A I 1 3
ADSP-21369KSWZ 135
D A I 1 4
134
D A I 1 5
133
D A I 1 6
132
D A I 1 7
131
D A I 1 8
130 C4051
D A I 1 9
0 .1
129
VDDEXT
128
GND
127
VDDINT
126
GND
125
D A I 2 0
124
FLAG0
123
FLAG1
122
FLAG2
121
FLAG3
120
ACK
119
RD
118
VDDINT
117
GND
116
SDCLK0
C4052
115
VDDEXT
114 0 . 1
GND
113
SDA10
112
WR
111
SDWE
110
SDCKE
109
SDRAS
108
SDCAS
C4053
107
VDDEXT
106 0 . 1
GND
105
VDDINT
0 . 0 0 1
0 . 0 1
0 .1
C4062
C4064
E P 4 0 0 4
C4065
MMZ1608S601A
10 - 9
I C 3 9 5 1
5 1
2
4 3
E P 4 0 0 1
MPZ1608S221A
SN74AHC1G08DCK3
C4055
0 . 1
0 . 1
0 . 1
C4057
MDX_ 1
MCSN2
MCLK24M_D
MDX_ 2
MDR_2
MDX_ 3
MDR_4
C4058
C4059
0 . 1 MDX_ 4
DSKY
MZIG
NSQM
VSQM
FRWT
DULSM
C4060
0 . 1
CP4001
/ MCAL
CP4002
CP4003
CP4004
R3937
/MOE
4 7k
I C 3 9 1 3
C4061
0 . 1 SN74LVC2GU04DCKR
R3939
DSP_CLK24 6 1
1Y 1A
5 2
R3956
VCC GND 100
4 3
2Y 2A
/MWE
0 R3940
R3938 100
4 7k
C4063
0 . 1
M A I N - 1
DRESD
DSKY
DSKY
DAVOX
DAVOX
C T F L
C T F L
RTDM
RTDM
NSQM
NSQM
VSQM
VSQM
MHSK0
MHSK0
MHSK1
MHSK1
FRWT
FRWT
DULSM
DULSM
DCSRM
DCSRM
DCSXM
DCSXM
DSPR
DSPR
DSPCK
DSPCK
DX1M
DX1M
D1R2V
3R3V
MAIN-2
I C 3 9 5 2
/ HOLD 1 4
OU T VSS
2 3
VDD NC
S-80811CNNB
E P 4 2 0 2
MPZ1608S221A
I C 4 2 0 2
MA16 1
A15 A16
2
MA15
A14 BYTE
MA14 3
A13 VSS
MA13 4
A12 DQ15/A-1
MA12 5
A11 DQ7
MA11 6
A10 DQ14
7
MA10
A9 DQ6
MA9 8
A8 DQ13
9
NC DQ5
10
NC DQ12
/MWE 11
WC DQ4
12
RE S ET VCC
13
NC DQ11
14
NC DQ3
15
R Y / B Y DQ10
MA19 16
A18 DQ2
MA18 17
A17 DQ9
18
MA8
A7 DQ1
MA7 19
A6 DQ8
MA6 20
A5 DQ0
MA5 21
A4 OE
MA4 22
A3 VSS
23
MA3
A2 CE
MA2 24
A1 A0
EN29LV800CB
J 3 9 1 1
C3911
CODEC_CLK
0 . 1
R4008 0
C3912
0 . 1
R4009 0
C3955
R4010 0
0 . 1
R4018 0
IC 3 9 5 5
R4019 0
1 5
2
R3957
3 4
56
SN74AHC1G04DCK
M A I N - 5 MAIN-5
MCLK24M_D
MCLK24M_D
MDR_1 MCLK24M_1
MDR_1 M CLK24M_1
MDX_ 1 MDR_4
MDX_ 1 MDR_4
MDR_2 MDX_ 4
MDR_2 MDX_4
MDX_ 2 MCSN2
MDX_ 2 MCSN2
MDX_ 3 M ADS
MDX_ 3 MADS
MCSN1
MCSN1
MBCLK
MBCLK
MBCLK MFRM
MBCLK MFRM
M FRM / MCA L
MFRM / MCAL
/ MCAL MCDTI
/ MCAL MCDTI
MCDTI MCCLK
MCDTI MCCLK
MCCLK
MCCLK
48 MA17
47
46
45 MA 0
44 MDAT 7
43
42
MDAT 6
41
40 MDAT5/
39
38 MDAT 4
37
36
35 MDAT 3
34
33 MDAT 2
32
31
MDAT 1
30
29 MDAT 0
28
/MOE
27
26
/ MMS1
25 MA 1