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10
KX-NSX1000/KX-NSX2000
4.3.
Power Supply Unit
4.3.1.
On Board Power Circuit Block Diagram
AC/DC
Po
w
e
r
Su
p
p
ly
Unit
12V
DC
/DC
IC
21
3.3V
DC
/DC
IC
22
5.0V
DC
/DC
IC
33
5.0V
DC
/DC
IC
25
1.8V
DC
/DC
IC
30
1.0V
DC
/DC
IC
31
1.2V
DC
/DC
IC
26
3.3V
DC
/DC
IC
38
2.5V
LDO IC23
FAN
#
1:CN
12, FAN
#
2:CN
13
SSD
#1
:C
N3
, SSD
#2
:C
N4
FPGA:IC17(Analog PLL/D-clo
c
k)
FPGA:IC17(Transceiver PMA)
FPGA:IC17(I/O)
LAN
C
#1:IC12, LAN
C
#2:IC13
L2SW#1:IC15(I/O), L2SW#2:IC16(I/O)
Other IC,
discrete parts
FPGA:IC17(Core)
FPGA:IC17(Digita
l PLL)
FPGA:IC17(Transceiver)
L2CW#1:IC15, L2SW#2:IC16(Dig
ital)
L2CW#1:IC15, L2SW#2:IC16(Analog)
L2CW#1:IC15, L2SW#2:IC16(Core)
USB power
supply:IC4
15V
_I
N
12V
3.3V_SSD
2.5V
3.3V
1.8V
5.0V_USB
1.2
V
1.0V
5.0
V
V
o
ltag
e T
e
s
t
P
o
int Name
Po
in
t o
f u
s
e
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