Optoma EP721 Family Service Manual page 85

Serial Number Format for Projector (For EP728)
Q 89N
1 2
1 :
2 :
3 :
4 :
5 :
6 :
7 :
EX: Q89N810AAAAAC0001
This label represents the serial number for EP728. It is produced at CPC on tenth week of
2008. Its serial code is 0001.
8 10 AAAAA C
3 4
Q = Optoma
89N = Project code
8 = Last number of the manufacture year (ex:2008 = 8)
10 = week of the manufactureyear ( ex: the tenth week of the
year = 10)
����� �� not��efine�
C = Manufacture factory (TW or China)
0001 = Serial code
EP721/727/723/728 Family / EW1610 Family
0001
5 6 7
Confidential XXXIII