Optoma EH1060 Service Manual page 21

Delta Elec. Inc.
Check the
projection
Screen
Check using all black/white screens with
PC connection
Yes
Are abnormalities
noticeable on
projection screen?
Does the lamp
go off during
operation?
Yes
< Fan error >
Power: Blink 6 (Green)
Lamp: OFF
No
<Over temperature >
Power: Flashing (Green) 0.5Sec
Lamp: OFF
Temp: Steady Light (RED)
No
SYSTEM OK
Company Confidential
21
EH1060
• Black lines on screen (horizontal and vertical)
Yes
→ DMD Set malfunction
• Missing pixels (Missing white: 1 or more, missing black: 5 or more, or
sequence missing pixels)
→ DMD Set malfunction
• Shadows on screen
→ Dirt on DMD/projection lens surface
• Bluish shadows on corners of screen (during white screen display)
→ Shifted optical axis of Lens Base Unit
Normal operation
Lamp: Blink 1 (Red)
Lamp: Blink 2 (Red)
Y
Lamp: Blink 3 (Red)
Lamp: Blink 4 (Red)
Yes • Temperature protector operated due to the increase in
• Temperature protector operated due to blocked suction and
Optoma__________________
System OK
• Connector CN201
•
Blower fan (Fan1)
• Connector CN202
•
Lamp fan (Fan2)
• Connector CN203
•
Power fan (Fan3)
• Connector CN204
•
DMD fan (Fan4)
temperature based on operating environment
exhaust holes or dirty fan
Delta________________
of Fan disconnected
malfunction
of Fan disconnected
malfunction
of Fan disconnected
malfunction
of Fan disconnected
malfunction
2010/03/17