Troubleshooting
DHD410S Service Manual
35
020-001481-01 Rev. 1 (10-2018)
Verify power functionality
Verify power
functi
onality.
P-2
M
ea
sure
DC voltage on
J21~J24 pin2 on
the
main
board is
output 5V
+/-10%
Repl
ace Change
correspondi
ng
Fan
Whose vol
tage
does
not
m
eet
the above range
Yes
Yes
Change i
nterlock
sw
itch
+5V
Yes
Ensure all connectors
are
connected proprely
No
Yes
Are the Temp
and Lamp
LED
lit red
and the projector
no li
ght
onr?
M
easure the J21~J24
on
the main
board pin 1
is
output
5~ 12V?
Yes
No
Replace the
mai
n
board
No
Press
pow
er
button to
turn on
the pr
oj
ector
Ensur
e
the top cover
is
in it´s correct
closed posi
stion
Is Temp LED
flashing
red
sl
owly (about 3s)?
No
Is Temp LED lit
red?
No
Clean the
dust and
replace fli
ter
Yes
Yes
Summary of Contents for DHD410S
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