Icom IC-7700 Service Manual page 118

SCOPE UNIT (SCOPE-3)
IC201
TLV1117CDCY
R211
I O
1 AD J
R210
120
S-812C25AUA
IC505
I O
G
R501
100
L502
R500
10U
0
IC501
To SCOPE-1
48
NC D4/EXT/IN T
47
NC D5/INVSNC
46
D40M NC D6/INVSCLK
45
RESET NC D 7/RDC/SDIN
44
RESET
NC OGND
43
RESETD IN+ OVDD
42
NC DVDD
41
NC DGND
40
NC D8/SDOUT
39
IN - D9/SCLK
38
REFGND D10/SYNC
+3R3V_
+2R5V 37
+3R3V_ REF D11/RDERROR
+3R3VL
+3R3VL
+5VLD
+5VLD
AD7650ASTZ
S3IF+
S3IF+
GND
IC502
GND
5 1
2
RESET 4 3
TC7S04FU
CLKX1 CLKX1
CLKX1
DR1 DR1
DR1
FSX1
FSX1
FSX1
DX1 DX1
DX1
FSR1 FSR1
FSR1
HSK0 HSK0
HSK0
HSK1 HSK1
HSK1
FRWT_ FRWT_
FRWT_
+2R5V
+2R5V
D 40M
RESETD
IC607
1 5
OUT NC
2
VDD
3 4
VSS NC
R622
R3111N111A
0
IC671
1 32
A[9] OE
A11 OE
A[7] 2 31 A[8]
A9 A10
A[6] 3 30 CS[2]
A8 CE
A[11] 4 29 D[7]
A13 I/O7
AXR0[0] 5 28 D[6]
A14 I/O6
6 27
AXR0[3] D[5]
A17 I/O5
7 26 D[4]
WE I/O4
8 25 D[3]
I/O3
VCC
AXR0[4] 9 24
A18 GND
10 23
AXR0[2] D[2]
A16 I/O2
AXR0[1] 11 22 D[1]
A15 I/O1
A[10] 12 21 D[0]
A12 I/O0
A[5] 13 20 BA[0] WE
A7 A0
A[4] 14 19 BA[1]
A6 A1
15 18
A[3] A[0]
A5 A2
A[2] 16 17 A[1]
A4 A3
AT49BV040B
2590
MP601
C614 0.1
A[11]
A[9]
A[8]
C613 0.1
A[7]
A[6]
C612 0.1
A[5]
5VD A[4]
C611 0.1
A[3]
A[2]
A[1]
C610 0.1
A[0]
C609 0.1
A[10]
BA[1]
13 R503 10K BA[0]
14 10K
R504
15 R505 10K
16 R506 10K TOUT
17 CLKX1 CS[2]
18 DR1 C608 0.1
19
FSX1
C607 0.1
20 DX1
21 FSR1 OE
22 HSK0
23
HSK1
24 FRWT_
R605
CLKX0
DR0
10K
FSX0
R507
100
EXCCET103U
FI501
DVDD
IC821
R623
J601
1 5
2
0
3 4
TC7SH08FU
J601
52808-1071
DVDD
73
EM_A[11]
74
EM_A[9] EMU[1]
75
EM_A[8]
76
CVDD EMU[0]
77
VSS
78
EM_A[7]
79
EM_A[6]
80
DVDD
81
VSS PLLHV
82
EM_A[5]
83
EM_A[4] OSCVDD
84
CVDD OSCOUT
85
EM_A[3] OSCIN
86
VSS IC601 OSCVSS
87
EM_A[2]
TMS320C6720BRFP200
88
EM_A[1]
89
CVDD
90
EM_A[0]
91
DVDD CLKIN
92
EM_A[10]
93
EM_BA[1]
94
VSS RESET
95
EM_BA[0]
96
EM_CS[0] AFSR1
97
EM_RAS AFSX1
98
VSS
99
EM_CS[2] ACLKR1
100
CVDD
101
E M_RW ACLKX1
102
DVDD
103
EM_O E AHCLKX1
104
SPI0_ENA/I2C1_SDA AMUTE1
105
VSS AMUTE0
106
SPI0_SCS/I2C1_SCL AHCLKX0/AHCLKX2
107
SPI0_CLK/I2C0_SCL
108
R606 10K
R620 10K
R621 10K
R624 10K
R625 10K
R626 10K
R607 10K
DVDD
VSS
DVDD
IC602
IC603
Y GND Y GND
4 3 4 3
A A
2 2
VCC NC VCC NC
5 1 5 1
SN74LVC1G04DCK SN74LVC1G04DCK
R610
1M
DVDD
VSS
36 TCK
TCK
35
EMU1
34 C623 0.1
CVDD
33 EMU0
32 C624 0.1
DVDD
31
VSS
30
TDO
TDO
29 TDI
TDI
28
27
VSS
26
C629 0.1
25
24
23
22 TRST
TRST
21 C625 0.1
CVDD
20 TMS
TMS
19
VSS
18 CLKIN
17
C626 0.1
CVDD
16
VSS
15 RESET&HOLD
14
VSS
13
FSR1
12 FSX1
11 C627 0.1
DVDD
10 CLKX1
9 C628 0.1
CVDD
8
CLKX1
7
VSS
6
5
4
3 TOUT
2
VSS
1
L552
DVDD
10U
CVDD
L551
10U
10 - 28