Dsp Unit (Ic-F70Dt/Ds Only) - Icom IC-F70DT Service Manual

11-3 DSP UNIT (IC-F70DT/DS only)

DSP UNIT
5.0V
IC1
XC6204B332M
5.0V 1 5
VIN VOUT
2
VSS
3 4
CE NC
IC2
L7
R1 R1230D151F
NLFV25T-330K-PF
ERJ3GE-JPW
1 8
VIN LX
2 7
PGND AGND
3 6
VDD MODE
4 5
CE VOUT
IC3
XC6204B332M
1 5
VIN VOUT
2
VSS
3 4
CE NC
3.3V
R9 4.7k
2.3V
R35
4.7k
FI1
C18 R7
CFWC450E
0.1 1.5k 5
4
I O
-
3
+
IC5
NJM2711F
R34 20k
R10 20k
R20 10k
R21 4.7k
IC4
NJM2904V
-
+
+
-
C23 82p
R4
100
C24 R33
470p 20k
L8 1µ
J1
RXD R29 1k
SCK R24 1k
TXD R30 1k
SI R22 1k
RTS R31 1k
SO R23 1k
AGND
CIRQ R28 1k
DFIL
CCS R25 1k
MD2
FLASH_RXD R97 1k
CPU_RES
AFOUT R3 22k
to MAIN CTS R32 1k
unit J2 FLASH_TXD R96 1k
TEMP
BUSY R27 1k
3.3V
RSSI R15 1k
MIC R8 100
QOUT
VCC
PTTO R12 1k
+5V L1 EXCCL3225U
PTTI R26 1k
GND
3.3V
3.3V
L2 1µ
3.3V DVDD 3.3V
1.5V
CVDD 1.5V
L6
1µ
3.3V
A1
CVSS
B1
A22
C2
CVSS
C1
DVDD
D4
A10
HD7 D3
HD7
D2
A11
D1
A12
E4
A13
E3
A14
E2
A15
E1
CVDD
HAS F4
HAS
F3
DVSS
F2
CVSS
F1
CVDD
HCS G2
HCS
HR/W G1 IC7
C27 7p HR/W
TMS320VC5416GGU120
G3
READY
G4
R19 15k PS
H1
DS
H2
IS
H3
R/W
1 H4
MSTRB
J1
2 IOSTRB
J2
MSC
J3
XF
J4
HOLDA
K1
IAQ
K2
HOLD
K3
BIO
L1
MP/MC
L2
DVDD
L3
CVSS
M1
BDR1
M2
BFSR1
CVDD 1.5V
DVDD 3.3V
5.0V
R42 22
232RXD
CLK
232TXD
SI
232RTS
SO
C52 0.1
OUT1
IN1
232CTS
IN3
RSSI
C54 R44
0.1 470
PTTO
standby: 0.3V
PTTI TX: 1.5V
3.3V
CVDD 1.5V
M12
DVSS
N12 BCLKX1
BCLKX1
L11
CVSS
M11 HD1
HD1
N11
CVDD
L10
INT3
M10 R50 4.7k
INT2
N10 INT1
INT1
K9 CCSI
INT0
L9
NMI
M9 HBIL
HBIL
N9
IACK
K8
BDX2
L8
BDX0
M8 HD0
HD0
N8
DVSS
K7
DVDD
L7 HRDY
HRDY
N7
BFSX2
M7
BFSX0
N6
CVDD
M6 HINT
HINT
L6
CVSS
K6
BCLKX2
N5
BCLKX0
M5
BDR2
L5 HCNTL1
HCNTL1
K5 BDR0
BDR0
N4
BFSR2
M4 BFSR0
BFSR0
L4
BCLKR2
K4 BCLKR0
BCLKR0
N3
DVSS
M3 HCNTL0
HCNTL0
N2 BCLKX1
BCLKR1
N1
CVSS
RS
standby: 0.5V
TX: 1.0V
R46 4.7k
standby: 0.17V
TX: 1.5V
IC8
AD7476ARTZ-REEL
1 6 BFSR0
VDD CS
2 5 BDR0
GND SDATA
3 4 BCLKR0
VIN SCLK
standby: 0V
RX: 1.6V
TX: 1.5V
MD2
FLASH_RXD
CPU_RES
R47 100 C63 0.1
FLASH_TXD
TEMP
X1
CR-798
IC9 standby: 0.1V 2
GND VCON
AK4550VT TX: 3.3V 3
OUT
1 16
VCOM AOUTR
2 15
AINR AOUTL
3 14 RESETB
AINL PWDA
C75
4 13
VSS PWAD 0.1
5 12 BCLKX1
VDD SCLK
6 11
DEM0 MCLK
7 10 BFSX1
DEM1 LRCK
8 9 BDX1 2.4V
SDT0 SDT1
BDR1
L5 1µ
IC13
TC7S04F
DVDD 3.3V Q1 R88 47
1 5
2SC4081
MD2
2
R57
1k
3 4
R86 680
CPU_RES
SI0 76
P30/TXD0
SO0 77
P31/RXD0
SCK0 78
P32/SCK0/SDA1/IRQ4
232TXD 79
P33/TXD1/SCL1
232RXD 80
P34/RXD1/SDA0
232RTS 81
P35/SCK1/SCL0/IRQ5
232CTS 82
P36
83
P77/TXD3
84
P76/RXD3
85
P75/TMO3/SCK3
86
P74/TMO2/MRES
87 IC12
P73/TMO1/CS7
HD64F2239TE16
INT1 88
P72/TMO0/CS6
89
P71/TMRI23/TMCI23/CS5
RS 90
P70/TMRI01/TMCI01/CS4
HINT 91
PG0/IRQ6
HRDY 92
PG1/CS3/IRQ7
93
PG2/CS2
R66
94
PG3/CS1
47k
95
PG4/CS0
HD0 96
PE0/D0
HD1 97
PE1/D1
HD2 98
PE2/D2
HD3 99
PE3/D3
HD4 100
PE4/D4
DVDD 3.3V
5.0V
IC15
TC7MET541AFK
SO0 R75 10k 20 1
VCC G1
R70 18k 19 2
G2 A1
18 3
Y1 A2
CCSI R76 15k 17 4
Y2 A3
R71 27k 16 5
Y3 A4
15 6
Y4 A5
SCK0 R77 10k 14 7
Y5 A6
R72 18k 13 8
Y6 A7
12 9
Y7 A8
PTTIN R78 15k 11 10
Y8 GND
R73 27k
BUSY R79 15k
R74 27k
R64 47k
R65 47 C77 0.001
R91 47k
1
1.4V
4
C93
VCC
R67 15p
2.2k
C94 R93
5
4 0.1 ERJ2GE-JPW
- 1
3
+
2
IC10
NJM2711F
11 - 4
IC14 IC17
S-80928CNMC HN58X2416TI
1 5 8 1
OUT CD VCC A0
2 7 2
A1
VDD WP
R80 3 4 6 3
VSS NC SCL A2
47k 5 4
SDA VSS
50
P42/AN2
49
P43/AN3
48 RSSI
P44/AN4
47
P45/AN5
46
P46/AN6
45
P47/AN7
44
P96/DA0
43
P97/DA1
42
AVSS
41
P17/TIOCB2/TCLKD
40
P16/TIOCA2/IRQ1
39
P15/TIOCB1/TCLKC
38
P14/TIOCA1/IRQ0
37
P13/TIOCD0/TCLKB/A23
36
P12/TIOCC0/TCLKA/A22
35
P11/TIOCB0/A21
34
P10/TIOCA0/A20
33
PA3/A19/SCK2
32
PA2/A18/RXD2
31
PA1/A17/TXD2
30
PA0/A16
29
PB7/A15/TIOCB5
28
PB6/A14/TIOCA5
27
PB5/A13/TIOCB4
26
PB4/A12/TIOCA4
R54 4.7k
R55 4.7k
DVDD 3.3V
SO TMS
IN1 TRST
CLK TDI
PTTI
IN3
SIO TDO
CIRQ0 TCK
PTTOUT EMU0
EMU1
FLASH_RXD
FLASH_TXD
TEMP
Explanatory notes
VOLTAGE LINE
TX LINE
RX LINE
RESETB