Service manual

H57

7-26

Coretronic Corporation

Appendix B

Serial Number System Definition

Serial Number Format for Projector

A BBB Y WW C D BEMO EEEE

: O = Optoma

: Product code (ex: 81D = H57, 896=EP759)

: Y = Last number of the year (ex: 2004 - 4)

: 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~)

EX1 : O81D429T0AAAA1001

This label “O81D429T0AAAA1001” represents the whole serial number for H57,

including Ver. 1st of BIOS and Ver. 1 of PCB Board. Both mechanical and optical ver-

sion are 1st. In addition, panel vendor is T1. It’s produced on 29-week of 2004 for uni-

versal area and its serial code is 1001.