Icom IC-F5121D Service Manual page 38

• MAIN UNIT (3/3)
3.3V
C2009
NFM18PC104R1C3
IC2001
L2001
TPS62204DBVR
VLCF4028T-100M1R0-2
1 5
VI SW
2
GND
3 4
EN FB
C2010
NFM18PC104R1C3
EP2004
MMZ1005S601CT
+3.3V
+3.3V
+5V
+5V
IC2002
ADS7886SDCKR
1
DMOSI
VDD
DMOSI
2
GND
DSCK 3
DSCK VIN
R2065
DSS
1.5K
DSS
DMISO
DMISO
VREF
VREF
DSIRQ
DSIRQ
DMI
DMI
DISC
DISC
DMO
DMO
DAFO
DAF O
DI F
DI F
DPDN
DPDN
DRES
DRES
DMO
DAF O
DMI
DISC
DVDD_3.3V
CVDD_1.6V
EP2001
MMZ1005S601CT
1.5V
L2003
ELJFC
PWADN
PWDAN
R2013
47K
BDX0
EMU0
EMU1
BFSR0 R2050
BFSX0 EXB28V104J
3.3V
+3.3V_A
FCS
DCSFT
DSIRQ
DPDN
R2051
EXB28V104J
R2058
D2006
EXB28V104J
MA2S7280G
DRES
A/D BFSR0 BDR1
BDX1
BDR0 BCLKX1
6
BFSX1
CS
5
SD O
4 BCLKR0 DMOSI
SCLK
R2052
100K
R2053
100K
EP2003
R2068
R2011 MMZ1005S601CT
0
100
R2012
C2031
100
1
R2010
100
C2028
1
R2009
2.2K
C2027
4.7
EP2005
R2071
MMZ1005S601CT
0
C2073
0.1
R2016
0
AGND
+3.3V_A
R2049
100K
DVDD_3.3V
H2
J2
K10
M12
N1 3
N6
P13
P14
P8
E7
K11
K12
A5
B6
F3
E1
E2
B3
A3
D5
C4
D1
G1 4
G1 3
G1 0 IC2007
F14
DSP
F12
C3
E10
C1
C12
A13
A14
B13
H12
A12
B12
D7
D8
A7
E9
C8
E8
A9
A10
1.3V
R2015
47K
IC2006
LINEAR
CODEC PCM3008T
1 16
VCOM VOUTR
2 15
VINR VOUTL
3 14 R2066 PWDAN
VIN L PDDA
L4 13 EXB28V470J
PWADN
GND PDAD
5 12
BCLKX1
VCC BCK
6 11
DEM0 SYSCK
7 10 BFSX1
DEM1 LRCK
8 9 BDX1
DOUT DIN
C2059
10P
R2067 BDR1
0
L2002
ELJFC
CP2006
R2019
0 R2020
0
CLKO
CP2001
GPIO13
M2
CP11 6
K3
M1
K2
J4
J3
J1 RDATA
R2056
H5
0
H4
H1
R2057
GPIO8
G4
100K
CP2004
G2 DRES
G5
C13
B14
C14
E11
D12
D13
D14
E12
FCS
F10 BDR0
G3 VREF
H3
K1
P5
P7
M8 BCLKX0
K9 BDX0
N3
P3
L4
R2044
N4
EXB28V104J
P4
L5
N5 DSP FLASH
L6
M6
P6
K6
K7
M7
L7 R2043
H11 EXB28V104J
CP2002
XF
D2003
MA2S7280G
12.28MHz
1.1Vp-p
X2001
CR-914
4 3
VCC OUT
Q2001
1 2
VCONT GND
LDTA123YET
CLOCK
*: Refer to the PARTS LIST for the value and name of component.
11 - 4
CP115
CP111
CP112
CP113
CP114
CP128
IC2008
EN25Q40-100GIP
1 8
CS VCC
2 7
D 0(DQ1) NC(DQ3)
3 6
WP(DQ2) CLK
4 5
VSS DI(DQ0)
R2038
47
C2056
5P
R2037
2.2K
IC2009
5
4 NJM2711F
1
3
C2057
2 0.1
C2052
0.1