4-6
E Series 675/775 Service Manual
020-000546-04 Rev. 1 (04-2017)
Section 4: Troubleshooting
4.6
Power Troubleshooting
Power
Troubleshooting
Make sure all connectors are
connected properly
Press power button (two
times) to turn on the power
Does STATUS LED
flash yellow and projector
no light on?
Next
Page
Use the voltage test
meter to test the voltage of
J1 of Main Board Pin 1, 20
=5V?
Change LVPS
Check if J1 (Main Board)
Pin7-10 and Pin 11-15 is
12V output?
Check if J17 (Main Board)
Pin3=5V +/- 0.25 output?
Change lamp driver
Change LVPS
Change main board
Yes
+5V Yes
0V
No
+12V
Yes
+5V
Yes
0V No
0V No
Summary of Contents for DHD675-E
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Page 113: ...Appendix C Schematic Diagrams E Series 675 775 Service Manual C 3 020 000546 04 Rev 1 03 2017...
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