Icom IC-7700 Service Manual page 94

VDD3R3 VDD3R3
VDD3R3
C102
0.1
SYS_RES#
HDI_TRST#
MD6
SH_RDY#
MTXD1
VDD3R3
VDD3R3
VDD3R3
MD2/RXD 2
MRXD1
R126
R127
10K MD8
CISEL
MD1/TXD2
MD0
MD7
AUDSYNC
AUDCK
AUDATA0
AUDATA1
AUDATA2
AUDATA3
MD3
MD4
MD5
R128
10K
SH_DACK 0
R129
10K
10K R132
SH_DRAK0
R133 10K
VDD3R3
CP101
R130
10K
CP102
SH_DREQ0 #
R131
10K
ASEBRK#
VDD1R5 HDI_TDO
R134
10
R135
10
VDD3R3
R136
10
VDD3R3
MD0
MD3
MD4
MD5
MD6
MD7
MD8
VDD3R3
C101
0.1
I C101
1 16
S VCC
2 15
1B1 OE
3 14
1B2 4B1
MD1/TXD2 4 13
1A 4B2
5 12
MD2/RXD 2
2B1 4A
PCI_REQ2# 6 11
2B2 3B1
MD9/PCI_REQ2# 7 10
2A 3B2
8 9 MD10/PCI_REQ3#
VDD3R3 GND 3A
SN74CBTLV3257PW R
VDD3R3
L
VDD3R3 VDD3R3
I C102
SYS_RES# 1 5
VDD3R3
2
K 3 4 HDI_TRST#
IC56
1 8 AUDCK
TC7S08F AUDATA0
2 7
3 6 AUDATA1
4 5 MRXD2
K AUDATA2
AUDATA3
TC7WH04FU
AUDSYNC
HDI_TCK
HDI_TM S
HDI_TD I
HDI_TDO
ASEBRK#
SYS_RES#
VDD3R3
VDD3R3
R121 10K
R122 10K
R123 10K
R120 10K
VDD3R3
XTAL2
A20
EXTAL2
A19
VDD-RTC
A18
VSS-RTC
B19
CA
B17
RESE T
A17
TRST
C16
MRESET
B16
NMI
D16
BACK/BSRE Q
A16
BREQ/BSACK
B15
MD6/IOIS16
C15
RDY
A15
TXD
A14
VDDQ
B14
VSSQ
F19
VDD
D14
VSS
D15
MD2/RXD2
D13
RXD
C13
10K
TCLK
B13
MD8/RTS2
A13
SCK
D12
MD1/TXD 2
B11
MD0/SCK2
C12
MD7/CTS2
A12
AUDSYNC
B12
AUDCK
A11
VDDQ
C14
VSSQ
C18
AUDATA0
C10 I C103
AUDATA1
A10
VDD
D11 HD6417751RBP200V
VSS
D10
AUDATA2
B9
AUDATA3
D9
NC
C9
MD3/CE2A
A9
MD4/CE2B
D8
MD5
C8
VDDQ
C11
VSSQ
C17
DACK0
B8
DACK1
A8
DRAK0
B7
DRAK1
A7
VDD
D7
VSS
D6
STATUS0
C6
STATUS1
B6
DREQ0
A6
DREQ1
C5
A SEBRK/BRKAC K
D5
TDO
B4
VDDQ
C7
VSSQ
B10
VDD-PLL2
A5
VSS-PLL2
B5
VDD-PLL1
A4
VSS-PLL1
C3
VDD-CPG
A3
VSS-CPG
B2
X TAL
A2
EXTAL
A1
SH_CK 32.76699MHz
I C104
1 5
2
C142 C145
3 4
0.1
TC7SHU04FU
VDD3R3 J102 R162
52808-1671
1M
1
25.00MHz
2
3
4
5
X10 1
6
7
8
9 25.000MHZ
10
11
12
13
14
15
16
VDD3R3
VDD1R5
VDD3R3
PCI_SERR# VDD3R3
SERR
Y19
PCIREQ1/GNTIN
Y18
PCIGNT1/REQOUT
W18 PCI_CLK0
PCICLK
Y17 PCI_RST#
PCIRST
W17 PCI_INTA#
I NTA
V17 PCI_IDSEL
IDSEL
U17
MD9/PCI_REQ2 #
PCIREQ2/MD9
Y16
VSSQ
W15
VDDQ
W14 MD10/PCI_REQ3 # VDD3R3
PCIREQ3/MD10
W16
PCIREQ4
V16 PCI_GNT2#
PCIGNT2
U16
PCIGNT3
Y15
PCIGNT4
V15
SH_SLEEP#
SLEEP
Y14
VS S
U15
VDD
U14
WE3/ICIOWR
Y13
WE2/ICIORD
W13
R141
A2 5
V13 SH_A25
A2 4
U13 SH_A24
VSSQ
W11 SH_A23
VDDQ
V14 SH_A22
A2 3
Y12 R140
A2 2
W12 47 SH_A21
A2 1
V12 SH_A20
A2 0
U12 SH_A1 9
A1 9
Y11
SH_A18
A1 8
V11
VS S
U11 47 R144
VDD
U10 SH_D31
D31
Y10 SH_D30
D30
W10 SH_D29
VSSQ
W6 SH_D28
VDDQ
V10
D29
Y9 R14 2 47
D28
W9
SH_D27
D27
V9 SH_D26
D26
U9 SH_D25
D25
Y8 SH_D24
D24
W8
R145
D23
V8 47 SH_D23
D22
U8 SH_D22
D21
Y7 SH_D21
D20
Y6 SH_D20
VS S
U6
VDD
47
U7 R143
VSSQ
W2 SH_D19
VDDQ
W7 SH_D18
D19
V6
SH_D17
D18
Y5 SH_D16
D17
W5 47
D16
V5 SH_DQM3
CAS3/DQM3
U5 SH_DQM2
CAS2/DQM2
Y4
R14 8
A1 7
W4 SH_A17
A1 6
V4 SH_A16
A1 5
Y3 SH_A15
A1 4
W3
SH_A14
VSSQ
V3 47
VDDQ
V7 R146 47 SH_A13
A1 3
Y2 R147 47 SH_A12
A1 2
Y1
VDD3R3
VDD3R3
IC105
1 16
CLKC SHUTDOWN/OE
2 15
VDD S2/SUSPEND
3 14
GND VDD R166 EP102
4 13 (33.333MHz)
XTALIN S1
5 12
XTALOUT SO 0
56P MMZ1608D121B
6 11
R16 3
XBUF GND
7 10
CLKD CLKA
8 9
CPUCLK CLKB 100
CY2292FXC
R16 7
EP103
(33.333MHz)
0 MMZ1608D121B
R16 4 27 25.000MHz
CLK_25M
SYS_RES#
SH_D31
SH_D31
SH_D30
SH_D30
SH_D29
SH_D29
SH_D28
SH_D28
SH_D27
SH_D27
SH_D26
SH_D26
SH_D25
SH_D25
SH_D24
SH_D24
SH_D23
SH_D23
SH_D22
SH_D22
SH_D21
SH_D21
SH_D20
SH_D20
SH_D19
SH_D19
SH_D18
SH_D18
SH_D17
SH_D17
SH_D16
SH_D16
SH_D15
SH_D15
SH_D14
SH_D14
SH_D13
SH_D13
SH_D12
SH_D12
SH_D11
SH_D11
SH_D10
SH_D10
SH_D9
SH_D9
SH_D8
SH_D8
SH_D7
SH_D7
SH_D6
SH_D6
SH_D5
SH_D5
SH_D4
SH_D4
SH_D3
SH_D3
SH_D2
SH_D2
SH_D1
SH_D1
SH_D0
SH_D0
SH_CKIO SH_CKIO
SH_BS#
SH_BS #
SH_RD# SH_RD#
SH_RD/WR#
SH_RD/WR#
SH_RDY#
SH_RDY#
SH_IRL2 # SH_IRL2#
SH_DREQ0#
SH_DREQ0#
SH_DACK0
SH_DACK0
SH_DRAK 0
SH_DRAK 0
SH_CS4#
SH_CS4#
SH_IRL1#
SH_IRL1#
PCI_AD0
PCI_AD0
PCI_AD1
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_AD15
PCI_AD16
PCI_AD16
PCI_AD17
PCI_AD17
PCI_AD18
PCI_AD18
PCI_AD19
PCI_AD19
PCI_AD20
PCI_AD20
PCI_AD21
PCI_AD21
PCI_AD22
PCI_AD22
PCI_AD23
PCI_AD23
PCI_AD24
PCI_AD24
PCI_AD25
PCI_AD25
PCI_AD26
PCI_AD26
PCI_AD27
PCI_AD27
PCI_AD28
PCI_AD28
PCI_AD29
PCI_AD29
PCI_AD30
PCI_AD30
PCI_AD31
PCI_AD31
PCI_C/BE0#
PCI_C/BE0 #
PCI_C/BE1#
PCI_C/BE1 #
PCI_C/BE2#
PCI_C/BE2 #
PCI_C/BE3#
PCI_C/BE3 #
PCI_PAR
PCI_PA R
PCI_SERR#
PCI_SERR#
PCI_PERR#
PCI_PERR #
PCI_STOP#
PCI_STOP#
P CI_DEVSEL #
PCI_DEVSEL#
PCI_TRDY#
PCI_TRDY#
P CI_IRDY#
PCI_IRDY #
PCI_FRAME#
PCI_FRAME#
PCI_GNT2#
PCI_GNT2#
PCI_REQ2 #
PCI_REQ2#
PCI_CLK2
PCI_CLK2
PCI_RST#
PCI_RST#
PCI_CLK2
PCI_CLK0
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