14 | ni.com | NI myDAQ User Guide
4. Replace the broken fuse while referring to Figure 10 for the fuse location, taking care to not
damage any components on the board.
Figure 10. NI myDAQ Fuse Location
5. Replace the lid and screws.
1 Enclosure Screws
2 Internal Fuse—1.25 A Fast-Acting (Littelfuse Part Number 02161.25)
1
2
1
NI myDAQ
NI myDAQ
AUDIO IN
Analog
Input
USB
P
o
wer Supply
Gain
Analog Output
Dig
ital Input/Out
put
AUD
IO OUT
NI
m
y
D
AQ S
ystem Diagram
AI
DIO
5 V
±15 V
D
C-toDC
C
o
nverter
Analog-
t
o-Digit
a
l
Converter
Digital-
to-A
nalog
Con
v
ert
er
Digital
Multim
et
er
A
na
log ICs
s
upplied by
VΩ
A
Syst
em
T
iming
Controller
Current
Limiter
AO
Swit
c
h
Mu
l
t
ip
le
xe
r
HI
HI
1
A
1
A
MAXMAX
6
0
V
20
V
rms
20
V
r
ms
M
A
X
M
AX
C
O
M
VΩVΩ
A