Service manual

EX: A1T020100001
This label A1T020100001represents that is VP171 monitor, the sequence number is 00001, made on 1-week of 2002.
: PPP = Regional Product ID Code (ex : A1T = VP171)
: YY = Last 2 digits of manufacturing year (ex : 02 = 2002)
: WW = Manufacturing week of year
: XXXXX = Sequence number
PPP YY WW XXXXX
1 2 3 4
1
2
3
4
ViewSonic Corporation
55
Confidential – Do Not Copy
VP171/b/s
The Serial Number System Definition
9. Appendix
9-1
Serial Number for LCD Display
A. Model Number : VLCDS25972-1W for VP171
VLCDS25972-2W for VP171b
B. Serial Number Format
9-1.1
VLCDS25972-3W for VP171s