Troubleshooting
HS Series 2K Service Manual—DWU1612-HS,DWU2022-HS
47
020-001790-01 Rev. 1 (03-2020)
Copyright ©2020 Christie Digital Systems USA Inc. All rights reserved.
Verify power functionality
P-2
Is the status
LE
D f
las
hing r
e
d?
En
su
re
tha
t the airflo
w
ve
nts are not blocked
a
nd that th
e ope
rating
te
mpe
rature is
le
ss th
an
40o
C
M
easure th
e DC vo
lta
ge on
JFAN1-JAN8
pin
1 on the main
b
oar
is outpu
t
1
2
V
+/-
10%?
Rep
lace th
e main bo
ard
Yes
Is the projector
functioning as
expected and
is the status LED
green
?
Replac
e
the
thermal switch
No
Measure the DC voltage
on JFAN1-JAN8 pin3
on the main board is
output 3.3V
+/-
10%?
No
Re
p
lac
e th
e
co
rrespon
ding
fan
o
r
b
low
er
No
Is th
e projector functionin
g as
e
xp
ecte
d and
is th
e status
LED green?
No f
a
ult
found
End
No
Ye
s
No
Yes
+12V
Yes
0V
0V
Summary of Contents for DWU1612-HS
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