Auto Waveform And Factory Fan Rpm - Optoma HD25 Service Manual

2. OSD Reset
After final QC step, we have to erase all saved change
again and restore the OSD default setting.
The following actions will allow you to erase all end-users'
settings and restore the default setting:
(1) Please enter OSD menu.
(2) Choose "Option" and then execute "Reset"
function
4-6 Auto Waveform and Factory Fan
RPM
After replacing main board, blower, lamp driver or
upgrading the firmware, please follow steps as below:
1. Plug in power cord,hold "Menu","UP" buttons
simultaneously and press "POWER" button.Loosen
"Menu","UP"buttons until"Lamp" and "Temp" LED light red.
2.Wait a moment, please get into service mode then
check the "Blower Factory RPM" .
Note:
- If the Factory FAN RPM Value doesn't show in
service mode, please repeat the step again.
- Make sure the "Blower record (rpm) "is 3490-
4730.
HD25/HD25LV
Confidential
4-10