Icom IC-7700 Service Manual page 111

Hf-50mhz transceiver
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LOGIC UNIT (LOGIC-5)
SH_IRL1#
PCI_AD0
PCI_AD0
PCI_AD1
VDD3R3
PCI_AD1
PCI_AD2
PCI_AD2
PCI_AD3
PCI_AD3
PCI_AD4
PCI_AD4
PCI_AD5
PCI_AD5
PCI_AD6
PCI_AD6
PCI_AD7
PCI_AD7
PCI_AD8
PCI_AD8
PCI_AD9
PCI_AD9
PCI_AD10
PCI_AD10
PCI_AD11
PCI_AD11
PCI_AD12
PCI_AD12
PCI_AD13
PCI_AD13
PCI_AD14
PCI_AD14
PCI_AD15
PCI_AD5
AD5
PCI_AD15
PCI_AD16
39
PCI_AD16
GND
PCI_AD17
VDD3R3
PCI_AD4
40
PCI_AD17
AD4
41
PCI_AD18
PCI_AD3
PCI_AD18
AD3
PCI_AD19
PCI_AD2
42
AD2
PCI_AD19
PCI_AD20
IC403
PCI_AD1
43
PCI_AD20
AD1
PCI_AD21
1
8
PCI_AD0
44
PCI_AD21
NC
NC
AD0
2
7
45
PCI_AD22
PCI_AD22
VCC
GND
VDD
PCI_AD23
3
6
46
PCI_AD23
CS
DO
MA0
PCI_AD24
4
5
47
SK
DI
MA1
PCI_AD24
PCI_AD25
48
PCI_AD25
MA2
PCI_AD26
BR93LC46FW
49
PCI_AD26
EECS
PCI_AD27
50
PCI_AD27
MA3
PCI_AD28
51
RTL8139C
MA4
PCI_AD28
PCI_AD29
52
I C404
PCI_AD29
MA5
PCI_AD30
53
PCI_AD30
NC
54
PCI_AD31
PCI_AD31
GND
PCI_C/BE0#
55
PCI_C/BE0#
GND
PCI_C/BE1#
56
MA6/9356SEL
PCI_C/BE1#
PCI_C/BE2#
57
PCI_C/BE2#
VDD
58
PCI_C/BE3#
PCI_C/BE3#
VDD
PCI_PAR
59
PCI_PAR
MA7
PCI_SERR#
60
MA8
PCI_SERR#
PCI_PERR#
61
PCI_PERR #
GND
PCI_STOP#
62
PCI_STOP#
MA9
63
PCI_DEVSEL#
PCI_DEVSEL#
MA10
PCI_TRDY#
64
PCI_TRDY#
PCI_IRDY #
PCI_IRDY#
PCI_FRAME#
PCI_FRAME#
PCI_GNT2#
PCI_GNT2#
PCI_REQ2#
PCI_REQ2#
PCI_CLK2
PCI_CLK2
PCI_RST#
PCI_RST#
VDD3R3
R419
1K
R422
CLK_25M
27
CP10S
CP2001
CP10S
CP2002
R2053
6.8K
R2052
2SA1576
D2051
Q2051
1SS355
33K
2SC4081
Q2052
R2055
15K
CI-V
CIVE
C2051
0.1
I C2051
14
1
MTXD1
13
2
MTXD1
MRXD1#
12
3
MRXD1#
11
4
10
5
CISEL
9
6
CISEL
MTXD2
8
7
MTXD2
TC74VHCT04AF
MRXD2#
MRXD2#
L2051
VDD5
220U
VDD5
16
VCC
C2053
15
GND
0.1
TXD_ 2
14
T1O
13
IC2053
R1I
8
1
12
R1O
7
2
11
T1 I
6
3
10
T2 I
5
4
9
R2O
TC7W04F
ADM202EARNZ
LAN
CONTROLLER
R418
100
PCI_AD24
AD24
128
PCI_AD25
AD25
127
PCI_AD26
AD26
126
PCI_AD27
AD27
125
GND
124
PCI_AD28
AD28
123
PCI_AD29
AD29
122
PCI_AD30
AD30
121
PCI_AD31
AD31
120
VDD
119
PCI_REQ2#
REQB
118
PCI_GNT2#
GNTB
117
PCI_CLK2
CLK
116
PCI_RST#
RSTB
115
I NTAB
114
GND
113
GND
112
GND
111
ROMCSB
110
VDD
109
MD0
108
MD1
107
VDD3R3
VDD
106
MD2
105
MD3
R423
104
MD4
103
10K
R424
10K
EP402
EP401
MMZ1608D121 B
MMZ1608D121B
EP403
MMZ1608D121 B
TX/RX
LINK10/100
FULL
TX+
1
TX-
2
RX+
3
NC4
4
[LAN]
R2101
NC5
5
0
RX-
6
NC7
7
R2102
NC8
8
0
J 2101
TM11R-5M2-88-LP
VDD3R3
J2001
[REMOTE]
EP2001
MMZ1608Y102BT
LGY6501-0600C
EP2002
MMZ1608Y102BT
R2201
6
RGND
0
ID O
11
1
R2202
RED
R2203
0
7
GGND
SDA
0
12
R2204
2
GREEN
8
R2205
0
BGND
C2052
R2206
0
13
HC
[EXT-DISPLAY]
R2207
0
3
0.1
BLUE
0
+5V
9
I C2052
R2208
14
14
1
VSYNC
RES
0
4
13
2
R2209
10
12
3
SGND
0
SCL
15
11
4
5
10
5
9
6
J2201
8
7
KEY-15S-2A3A
TC74HC08AF
J2052
C2055
1
GND
5
I C2054
RI
9
1
C2056
DTR
C1+
4
2
1
CTS
8
V+
3
TXD
[RS-232C]
3
C1-
4
C2057
RTS
7
C2+
5
1
R2058
2
C2-
RXD
6
C2058
V-
DSR
6
7
1
0
DCD
1
T2O
8
0 R2059
R2I
CD6109SA1J0
RXD_ 2
C P1001
CP10S
TXD_2
C P1002
CP10S
C P1003
CP10S
10 - 7

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