Icom IC-7700 Service Manual page 99

10 - 9
MAIN UNIT (MAIN-3)
R1010
0
R1011
0
R1012
MP1001 3009 0
R1013
0
R1112
47K
L1001
10U
C1009
DVDD
C1008 0. 1 N5
DVDD
C1007 0. 1 N12
DVDD
0. 1 P8
C1006
DVDD
C1005 0. 1 R1
DVDD
C1004 0. 1 R16
DVDD
C1003 0. 1 T2
DVDD
0. 1 T15
VSS
A1
VSS
A7
VSS
A10
VSS
A16
VSS
E5
VSS
E12
VSS
F5
VSS
F6
VSS
F7
VSS
F8
VSS
F9
VSS
F10
VSS
F11
VSS
F12
VSS
G1
VSS
G6
VSS
G7
VSS
G8
VSS
G9
VSS
G10
VSS
I C1001
G11
VSS
G16
VSS
H3 TMS320C6727BZDH275
VSS
H6
VSS
H7
VSS
H8
VSS
H9
VSS
H10
VSS
H11
VSS
J6
VSS
J7
VSS
J8
VSS
J9
VSS
J10
VSS
J11
VSS
K1
VSS
K6
VSS
K7
VSS
K8
VSS
K9
VSS
K10
VSS
K11
VSS
K16
VSS
L5
VSS
L6
VSS
L7
VSS
L8
VSS
L9
VSS
L10
VSS
L11
VSS
L12
VSS
M5
VSS
M12
VSS
T1
VSS
T7
VSS
T10
VSS
T16
FI1121
EXCCET103U
I C1131
C1132
1 5
I C1132
0.1
2 1 5
3 4 2
3 4
TC7SHU04FU
TC7SH04FU
X1141
CR-754
R1141
1M
J1151
PD
1
2
3 /TRST
TMS_
4
TDI_
5
TDO_
6
7 TCK_
8 EMU1
EMU0
9
10
52808-1071
C1201
0.1
I C1201
1
COM VCC
2
R1201 INH CH0
3
VEE CH1
4
3.3K GND A
TC7W53FK
ADS
Q1201
I C1111 I C1112
DTC114EU
5 1 1 5
/HOL D
OUT NC
2 2
VDD
4 3 3 4
VSS NC
R3111N111A
TC7SH08FU
R1113
47K
C1211
R1005
0.1
R1001 47K
47K
C1044 0.1 R1002 47K R1006
R1003 47K R1007 47K
R1008 47K
R1009 47K
47K
AXR0[15]/AXR2[0]
B5 RTTYOUT_
AXR0[14]/AXR2[1]
A6 DR1_ R1351
AXR0[13]/AXR1[0]
B6 560
DX1_
AXR0[12]/AXR1[1]
B7
AXR0[11]/AXR1[2]
A8
AXR0[10]/AXR1[3]
B8
AXR0[9]/AXR1[4]/SPI1_SIMO
A9
AXR0[8]/AXR1[5]/SPI1_SOMI
B9
AXR0[7]/SPI1_CLK
B10
AXR0[6]/SPI1_ENA
A11 FMTONE_DE T
AXR0[5]/SPI1_SCS
B11 DX10_
AXR0[4]
A12 8
DX01_
AXR0[3]
B12 DX00_ V+ I C1351
AXR0[2]
A13 DR01_ GND UPC4570G 2
AXR0[1]
B13 DR00_ 4
AXR0[0]
A14
AMUTE0
C1 FSX0_
AFSX0
A3 CLKX0_
ACLKX0
A4
AHCLKX0/AHCLKX2
C2 FSR0_
AFSR0
B4
CLKS0_
ACLKR0
A5 MCLK12M
AHCLKR0/AHCLKR1
B3
UHPI_HRDY
D6
UHPI_HCS
C8
UHPI_HDS[2]
C7
UHPI_HDS[1]
D7
UHPI_HRW
D8
UHPI_HAS
C9
UHPI_HCNTL[1]
C10
UHPI_HCNTL[0]
D9
UHPI_HBE[3]
B2
UHPI_HBE[2]
C4
UHPI_HBE[1]
C5
UHPI_HBE[0]
C6 KEYIN
UHPI_HD[31]
H4
UHPI_HD[30]
L2
UHPI_HD[29]
L4
UHPI_HD[28]
L3
CSN
UHPI_HD[27]
M3 CCLK
UHPI_HD[26]
N3 CDTI
UHPI_HD[25]
N2
UHPI_HD[24]
P2
CWSTAT
UHPI_HD[23]
C3 ANVOXOUT
UHPI_HD[22]
D3 VOXOUT
UHPI_HD[21]
E3
UHPI_HD[20]
F4
UHPI_HD[19]
F3
UHPI_HD[18]
G4
UHPI_HD[17]
G3
UHPI_HD[16]/HHWIL
H1
UHPI_HD[15]
J13
UHPI_HD[14]
H13
UHPI_HD[13]
H14
UHPI_HD[12]
G13
UHPI_HD[11]
G14 FRWT _
UHPI_HD[10]
F13
HSK0
UHPI_HD[9]
F14 HSK1
UHPI_HD[8]
E14
UHPI_HD[7]
P14
UHPI_HD[6]
N14
UHPI_HD[5]
N13 VOICE_SQL
UHPI_HD[4]
L14 UHPI_HD[3]
UHPI_HD[3]
L13
UHPI_HD[3]
UHPI_HD[1]
UHPI_HD[0]
/CAL
MCLK12M
CLKX0_
DX01_
DX10_
FSX0_
CSN
CCLK
CDTI
+A5V
8
7
6
5
R1204 C1204
0 0.1
R1212
4.7K
C1212
7
V+
I C1211
22P
GND NJM5534MD
R1211
2 4
R1213 C1213
6
4.7K
3
0
0.1
IC1211
NJM5534MD
R1355
100K
C1355
47P
2
R1356
1
3
330
I C1351
U PC4570G2
TA79L05F
I C1361
R1362 R1363
O I
10K COM 560
I C1101
EM_A[9] 1 32 /EM_O E
A11 OE
EM_A[7] 2 31 EM_A[8]
A9 A10
3 30
EM_A[6] /EM_CS[2]
A8 CE
EM_A[11] 4 29 EM_D[7]
A13 I/O7
EM_A[12] 5 28 EM_D[6]
A14 I/O6
UHPI_HD[2] 6 27 EM_D[5]
A17 I/O5
/EM_WE 7 26 EM_D[4]
WE I/O4
8 25
EM_D[3]
VCC I/O3
9 24
A18 GND
10 23 EM_D[2]
A16 I/O2
11 22 EM_D[1]
A15 I/O1
12 21
EM_A[10] EM_D[0]
A12 I/O0
EM_A[5] 13 20 EM_BA[0]
A7 A0
EM_A[4] 14 19 EM_BA[1]
A6 A1
EM_A[3] 15 18 EM_A[0]
A5 A2
EM_A[2] 16 17
EM_A[1]
A4 A3
AT29LV040A
R1611
I C1601
1 28
VREF AVDD 4.7K
2 27
DZF AVSS
R1601
3 26
PDN LOUT1+
4 25
MCLK LOUT1-
100 5 24
BICK ROUT1+
6 23
SDTI1 ROUT1- R1614
7 22
SDTI2 LOUT2+
8 21
SDTI3 LOUT2- 4.7K
9 20
LRCK ROUT2+
10 19
CSN ROUT2-
11 18
CCLK LOUT3+
12 17
CDTI LOUT3-
+D5V 13 16
DVDD ROUT3+
14 15
DVSS RTOUT3-
R1621
AK4355VF
C1621
10K
R1622
0.0022
10K