Icom IC-F4101D Service Manual page 36

• MAIN-A/C UNIT (3/3)
3.27V
C904
NFM18PC104R1C3
IC900
TPS62204DBVR
1
VI SW
2
GND
3
EN FB
EP903
MMZ1005S601CT
EP904
MMZ1005S601CT
C905
NFM18PC104R1C3
EP905
MMZ1005S601CT
EP906
MMZ1005S601CT
CPUV
+3.3V
+3.3V
+5V
+5V
NWC IC901
NWC
ADS7886SDCKR
DMOSI 1
DMOSI C958 VDD
2
0.1 GND
3
DSCK
VIN
DSCK
DSS
DSS
DMISO
DMISO
DSIRQ
DSIRQ
DMI
DMI
DISC
DISC
DMO
DMO
DAFO
DAFO
DIF
DIF
DPDN
DPDN
DRES
DRES
VREF
VREF
DMO
DAFO
DMI
DISC
NWC
+5V
R914
0
3.3V_VDD
DVDD_3.3V
EP900 CVDD_1.6V
MMZ1005S601CT
1.58V
L900
VLCF4028T-100M1R0-2
CVDD_1.6V
5
4
R910
47K
BDX0
EMU0
EMU1
BFSR0
BFSX0
3.27V
GPIO0
BPD
+3.3V_A
PWDAN
PWADN
FCS
DCSFT
DSIRQ
DPDN
R945
EXB28V104J
D905
MA2S7280G
DRES
BDR1
A/D
BDX1
BCLKX1
6 BFSR0 BFSX1
CS
5 BDR0
SDO
4
BCLKR0 DMOSI
SCLK
R953
100K
R952
100K
CVDD_1.6V
DVDD_3.3V
+3.3V_A
R912 R911
0
100
R913
C930
100
1
R909 C928
100 1
R908 C927
3.3K
10
R904
Q901
3.3K
LDTC114YE
L901
ELJFC
10 - 3
AGND
+3.3V_A
R917
100K
DVDD_3.3V
H2
J2
K10
M12
N13
N6
P13
P14
P8
E7
K11
K12
A5
B6
F3
E1
E2
B3
A3
C4
G14
G13
G10
F14
F12
E10
C12
15P
A13
A14
B13
H12
A12
B12
D7
D8
A7
E9 C8
4P
E8
A9
A10
EP902
MMZ1005S601CT 1.43V
IC902 DCSFT
PCM3008T
1 16
VCOM VOUTR
2 15
VINR VOUTL
3 14
PWDAN
VINL PDDA
4 13
PWADN
GND PDAD
5 12
BCLKX1
VCC BCK
6 11 R973
DEM0 SYSCK
7 10 47 BFSX1
DEM1 LRCK
8 9 BDX1
DOUT DIN
R974
LINEAR
47
CODEC
BDR1
R971
0
R920
TMS
0 R921
TRST
0
TDI
CLKOUT
TDO
CP900
TCK
EMU0
EMU1
CP117
BDX0
BFSX0
BCLKX0
BDR0
FCS
RDATA
RCLK
R957
100K
CP118
DRES
R946
EXB28V104J
FCS
BDR0
BCLKX0
VREF BDX0
DSP FLASH
D902
MA2S7280G
XF
12.288MHz
1.14Vp-p
Q900
X900
LDTA144EE
CR-914
4 3
VCC OUT
1 2
VCONT GND
CLOCK
*: Refer to the PARTS LIST for the value and name of component.
1 J900
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R956
16
0
17
18
19
20
DRES
CP115
FCS
CP111
BDR0
CP112
BCLKX0
CP113
BDX0
CP114
CP128
IC904
EN25Q40-100GIP
1 8
CS VCC
2 7
D0(DQ1) NC(DQ3)
3 6
WP(DQ2) CLK
4 5
VSS DI(DQ0)
MP9
3328
R935
47
C956
5P
R939
2.2K
5 C957
4
0.1
1
3
IC905
NJM2711F
C951 2
0.1