RM-PJ4, VPL-ES3 - Sony Projector Service Manual (repair manual). Page 18

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VPL-ES3
Memory structure of this model consists of the followings.
1
Set memory
2
Status memory
3
Picture memory
4
Chroma memory
5
W/B memory
6
Channel memory
7
Image Flip memory
* The gamma memory is realized by giving offset to the Contrast and Brightness output values to the
devices in the gamma mode function.
When the power plug is connected to the wall outlet for the first time (Standby state), all data that are
stored in the internal ROM are written in the NVM (non-volatile memory). When the POWER is turned
ON, all the status memory data and other memory data that are required for the present picture are
selected from each memory block and expanded in the internal RAM.
When any adjustment is performed at this moment, the adjustment data (user mode items) are written in
the NVM (Service/Special Service) automatically triggered by the memory operation.
The adjustment items (W/B, Device Adjust) that can be adjusted in the Service Mode or in the Special
Service Mode, are memorized in the NVM at the time when the user performs adjustment and performs
the memory operation. Note that the factory adjustment data will be lost at this moment.
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