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9-2
EP757
SERVICE MANUAL
9-1 Serial Number System Definition
9-1.1 Serial Number Format for Projector
A BBB
1
2
1
:
A = Optoma, B~Z = OEM
2
:
Product code (ex: 865 = EP757)
:
Y = Last number of the year (ex: 2003 - 3)
3
4
:
Week of year
:
Panel vendor code
5
:
Electrical classification (1=110V, 2=220V, 0=universal)
6
:
B = BIOS version, E = PCB board version,
7
M = Mechanical version, O = Optical version
:
Serial code (from 0001~)
8
EX : A865309T0AAAA1001
This label “A865309T0AAAA1001” represents the whole serial number for EP757, including Ver. 1st of BIOS and Ver. 1 of
PCB Board. Both mechanical and optical version are 1st. In addition, panel vendor is T1. It’s produced on 09-week of 2003
for universal area and its serial code is 1001.
Introduction
Fundamental Principle
Troubleshooting
Function Test and Alignment Procedure
Y WW C D BEMO EEEE
3
4
5
6
Mechanical Construction
Procedure of Disassembly
Firmware Upgrading Procedure
8
7
Function of Boards
Specifications
DDC Key-In Procedure
Appendix
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