LG BS254 Service Manual

Delta Elec. Inc. BS254 & BX254 & BX324 rev.06
Company Confidential LGE_______________________ Delta____________
2
2011/06/16
CONTENTS
1.COMPLIANCE OF SAFE REPAIR.........................................................................................4
1-1.Caution During Disassembling And Assembling.............................................................4
1-2.Lamp.............................................................................................................................. 4
1-3.Lens................................................................................................................................4
2.SPECIFICATIONS.................................................................................................................5
2-1.Summary Specifications................................................................................................. 5
2-2.I/O Ports Illustration........................................................................................................7
2-3.Top view-on screen Display (OSD) buttons and LEDS……………………………..…….. 8
2-4. Rear view……………………………………………………..…………………..………….10
2-5. Bottom view…………………………………………………………………………………..11
2-6. Remote Control Parts………………………………………………...………………….….12
2-7. Inserting the Remote Control Batteries……………………………………………………14
2-8. Block Diagram…...................................….................................................................. 15
3.TROUBLE SHOOTING....................................................................................................... 16
4.DISASSEMBLY AND ASSEMBLY....................................................................................... 24
5.Flash Upgrade Flow........................................................................................................... 37
5-1. Projector RS-232 Drivers Installation Guide…………………………..………………….37
5-2. DLP Projector Flash-Tool (firmware) User Guide…………………...……….…………..42
5-3. Started with Download…………………………………….……..………………………....43
5-4.Starting and Shutting down the Projector……………………………………………….....49
5-5.Setting an Access Password (Security Lock)………………………………….…………..51
5-6.Factroy Reset……………….……………………………………………………………..…53
5-7. Status…………………………………………………………………….…………………...54
6. Calibration…………………………………………………………………………………...…….55
7. Color Border Adjustment………………………………………………………………………...59
8. Projection Lamp…………………………………………………………………………………..60
9. Cleaning………………………………………………………………..………………..………...64
10.SERVICE NOTE............................................................................................................... 65
10-1.Cleaning..................................................................................................................... 65
10-2.Inserting the Remote Control Batteries...................................................................... 66
10-3.Power & READY LED Blink Code Message.............................................................. 67
10-4.Factory Preset Display Modes................................................................................... 68

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