Troubleshooting
DHD410S Service Manual
36
020-001481-01 Rev. 1 (10-2018)
Verify power functionality
P-2
Is
Temp LED
flashin
g Re
d fa
st
(about 500ms)?
Me
asure th
e DC vo
ltag
e
on J1 pin 6~11 on
the
ma
in boa
rd is
o
u
tput
12V
Rep
lace th
e LVPS
Yes
Measure DC voltage
on
J1
05 pin
1 on the main
b
oard is ou
tp
ut
9
.4
V
+/-
10%
Measure the DC voltage
on
J14
pin
1 on the main
bo
ard
is outpu
t 3.3V
No
Re
place the main
board
No
Replace LD driver
board
No f
a
ult
found
End
Yes
+1
2V
Yes
0V
Yes
+3
.3
V
Is
LIGH
T
LED lit Red?)?
Yes
+12V
No
0V
Re
p
lac
e th
e
LD dri
ver board
No
0V
M
easure DC vo
lta
ge on
J15
p
in1 on the
ma
in boa
rd is
output 9.4V
+/-10%
Rep
lace th
e
filter wheel
module
Rep
lace th
e
com
biner
module
Repla
ce the
main
board
No
Yes
Is
LI
GHT
LED lit Red
?)?
Replacer
co
mbine
r
module
Ye
s
Summary of Contents for DHD410S
Page 1: ...Christie DHD410S Service Manual 020 001481 01...
Page 77: ......
