LG BS254 Service Manual

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
oper
ation?
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 temper
ature >
Power: OFF
Temp: ON
Lamp: OFF
No
No
• Lamp malfunction
• Power Supply Unit malfunction
Lamp:
Flashing
Red Light 2
Lamp:
Flashing
Red Light 3

LG BS254 Specifications

General

Projection distance	0.129 - 2 m
Projection technology	DLP
Contrast ratio (typical)	2100:1
Screen size compatibility	51 \
Projector native resolution	SVGA (800x600)
Resolution	1280 x 1024 pixels
Aspect ratio	4:3, 16:9
RS-232 ports	1
Dimensions (WxDxH)	260.9 x 186.4 x 71.3 mm
Power requirements	100-240V
Lamp power	180 W
Light source type	Lamp
Service life of light source	2000 h
Service life of light source (economic mode)	3000 h
Focus	Manual
Focal length range	- mm
RMS rated power	1.5 W
DVI port	No
Serial interface type	RS-232
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Component video (YPbPr/YCbCr) in	-
Ethernet LAN (RJ-45) ports	0
Power consumption (standby)	- W
Power consumption (typical)	205 W

Weight and Dimensions

Weight	1910 g