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Remove Main Board, Rear Cover.

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3. Remove Main Board No Procedure 1 Unscrew 2 screws in the IO Cover to disassemble the Rear Cover. Photo 2 Unscrew 3 screws, unplug 10 connectors and 1 DC DC connector in the Bottom to remove the Main Board. Chapter 3 22

Section	Page
PD311 & PD323 Service Guide	1
Revision History	2
Copyright	3
Disclaimer	3
Conventions	4
Preface	5
Table of Contents	6
Ch1 System Introduction	7
Technical Speci.cation	7
Product Overview	8
Main Unit	8
Control Panel	9
Connection Ports	10
Connecting the Projector	11
Block Diagram	12
Ch2 Firmware & EDID Upgrade	13
Firmware Upgrade	13
Installation Procedure	14
DLP Composer Lite Setup Procedure	14
USB Driver Upgrade Procedure	16
Firmware Upgrade Procedure	18
EDID Upgrade	21
EDID Introduction	21
Equipment Needed	21
Setup Procedure	22
EDID Key-In Procedure	22
Ch3 Mechanical Disassembly & Reassembly	25
Equipment Needed	25
General Information	25
Mechanical Disassembly Procedure	26
1. Remove Lamp Module	26
2. Remove Top Cover	27
3. Remove Main Board	28
4. Remove Left Cover / Speaker / Elevator Push Button	29
5. Remove Ballast Module / Fan Module	30
6. Remove Right Cover Module / Front Cover Module	31
7. Remove Light Cut / Thermal Switch / Color Wheel / Photosensor Board	32
8. Remove Engine Module	33
9. Remove Blower / DC DC / Bottom Cover Module	34
Mechanical Reassembly Procedure	35
1. Assemble Bottom Cover Module / DC DC / Blower	35
2. Assemble Engine Module	36
3. Assemble Photosensor Board / Color Wheel / Thermal Switch / Light Cut	37
4. Assemble Front Cover Module / Right Cover Module	38
5. Assemble Fan Module / Ballast Module	39
6. Assemble Elevator Push Button / Speaker / Left Cover	40
7. Assemble Main Board	41
8. Assemble Top Cover	42
9. Assemble Lamp Module	43
Ch4 Troubleshooting & Function Test	44
Troubleshooting	44
Equipment Needed	44
LED Lighting Message	44
Main Procedure	45
Function Test & Alignment Procedure	47
Test Equipment	47
Test Condition	47
Guide to Entering Service Mode	47
Inspection Procedure	48
Ch5 Exploded Overview	51
EXPLODED OVERVIEW (D.C. PD311)	51
ASSY BOTTOM COVER MODULE (PD311)	53
ASSY TOP COVER MODULE (PD311)	55
ASSY ENGINE MODULE (PD311)	56
ASSY ENGINE MODULE (PD323)	58
ASSY REAR COVER MODULE (PD311)	60
ASSY LEFT SIDE COVER MODULE (PD311)	61
ASSY RIGHT SIDE COVER MODULE (PD311)	62
ASSY FRONT COVER MODULE (PD311)	63
ASSY SYSTEM FAN MODULE (PD311)	64
ASSY DC-DC MODULE (PD311)	65
ASSY BLOWER4520 MODULE (PD311)	66
ASSY COLOR WHEEL (PD311)	67
ASSY LAMP MODULE (PD311)	68
ASSY HEATSINK MODULE (PD311)	69
ASSY ENGINE BASE MODULE (PD311)	70
ASSY ENGINE BOTTOM COVER MODULE (PD311)	71
ASSY LENS COVER MODULE (PD311)	72
ASSY LAMP COVER MODULE (PD311)	73
ASSY INTERLOCK SWITCH MODULE	74
ASSY BLOWER DUCT MODULE	75
ASSY BALLAST MODULE	76
ASSY ELEVATOR MODULE	77
Appendix Serial Number De.nition System	78
I. Serial Number System De.nition	78
II. PCBA Code De.nition	79

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