Sharp PG-M20XU Service Manual page 17

* Precautions in setting up the DMD (Digital Micromirror Device) unit
Before connecting the formatter PWB to the optical engine, take the following steps. Look at the voltage rank marking
that is on the DMD itself. Referring to this marking, set the DIP switches on the formatter PWB. And connect this PWB
to the optical engine. Wrong settings will adversely affect the system performance.
Voltage ranking system with the DIP switches on formatter PWB
* Connecting the FPC extension cables (QCNW-A298WJZZ)
Connect the cables to the formatter PWB (TO FMT) and the PC I/F PWB (TO PC), referring to the silk-screen-printed
markings. See the sketch below. (The FPC is already connected at TO PC.)
Voltage rank marking
This sample is "C".
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PG-M20S
PG-M20X