ViewSonic VP231WB - 23" LCD Monitor, Service Manual

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Monitor status LED color Video signal Power consumption Recover time
Normal / Unstable / Warning Green Active <120W
Power save Amber Blanking <4W 5sec
Aging
Note
NA <120W
DC power off Off NA <4W
AC power off Off NA -
Note:
Amber (0.5sec) → Green (0.5sec) → Amber (0.5sec) → Green (0.5sec)… continuously.
The data that is communicated shall be stored in the monitor in non-volatile, which is a subset of the
VESA EDID version 3.0 standard.
see item c, the DVI-D input 256bytes EDID see item d.
need pass the test.
0543
& PID:
1169
ViewSonic Corporation
Co
nfidential
-
Do Not Copy VP231wb
21
5.2.4 Power management tests.
5.2.5. DDC test.
5.2.6 USB test.
Power consumption test table:
5.2.5.1 DDC / EDID specification compliance requirement.
5.2.5.2 IC954 EEPROM data see Appendix-B item a.
5.2.6.1 With USB test HUB “UPT2 USB2.0 8-port tester” to test USB UP stream & down stream, each
port
5.2.5.3 The EDID data see Appendix-B, VP231wb analog & DVI-A are same as item b, the DVI-D input1
5.2.6.2 With PC check the USB VID:
5.2.7 Auto alignment need to do auto image adjust command for 3 DOS mode (640x350, 720x400, 640x400).
5.2.6.3 USB test setting see the Appendix E.