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Section 4: Troubleshooting
E Series 675/775 Service Manual
4-7
020-000546-04 Rev. 1 (04-2017)
4.6 Power Troubleshooting (continued)
Does STATUS LED
light Red?
Does lamp LED
flash Red?
No Fault Found
End
Does
DC voltage output?
(J31 Pin43, 47, 51, 59
and J34 Pin10, 14, 17, 21,
25, 29 > 5V
(5V-12V)
Change main board
Check connect board-
A and connect board-
B are all OK?
Change connect board
Change corresponding fam
whose voltage does not meet
the above range
Yes
No
Yes
No
Yes
Is the lamp OK?
Check if J1
Pin1, 20=5V
output?
Change lamp driver
Change connect
board-A and connect
board-B
Yes
Yes
Yes
No
Change lamp
Change LVPS
Change color wheel module
No
No
No
Yes
Yes
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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