Delta Elec. Inc.
BS254_BX254_BX324
rev.06
Company Confidential LG ______________________ Delta____________
20
2011/06/16
Yes
Yes
• Black lines on screen (horizontal and vertical)
→
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
Check the
projection
Screen
Check using all black/white screens with
PC connection
Are abnormalities
noticeable on
projection screen?
Does the lamp
go off during
operation?
System OK
Normal operation
• Temperature protector operated due to the increase in
temperature based on operating environment
• Temperature protector operated due to blocked suction and
exhaust holes or dirty fan
No
Yes
Yes
< Fan error >
Power: Flashing Green
Light 6
Temp: OFF
Yes
• Connector
P8002
of Fan disconnected
•
Blower fan
(Fan2)
malfunction
• Connector
P8003
of Fan disconnected
•
Power fan
(Fan3)
malfunction
• Connector
P8003
of Fan disconnected
•
Lamp fan
(Fan1)
malfunction
Lamp: Flashing
Red Light 1
<Over temperature >
Power: OFF
Temp: ON
Lamp: OFF
No
No
• Lamp malfunction
• Power Supply Unit malfunction
Lamp: Flashing
Red Light 2
Lamp: Flashing
Red Light 3
