10-2
EP731
SERVICE MANUAL
Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure
Appendix
11-1 Serial Number System Definition
1
5
6
4
3
2
: A = Optoma, B~Z = OEM
: Product code (ex: 867 = EP731)
: Y = Last number of the year (ex: 2003 - 3)
: Week of year
: Panel vendor code
: Electrical classification (1=110V, 2=220V, 0=universal)
: B = BIOS version, E = PCB board version,
M = Mechanical version, O = Optical version
: Serial code (from 0001~)
1
11-1.1 Serial Number Format For Projector
A BBB Y WW C D BEMO EEEE
7
8
2
3
4
5
6
7
8
EX : A867335T0AAAA1001
This label A867335T0AAAA1001 represents the whole serial number for EP731, including Ver. 1st of BIOS and Ver. 1 of
PCB Board. Both mechanical and optical version are 1st. In addition, panel vendor is T1. Itís produced on 35-week of 2003
for universal area and its serial code is 1001.
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