奇
菱
光電股份有限公司
Chi Lin Optronics Corp.
Doc. No
CS-72601
Version A3
Title
CHT-726 Level 1 Service Manual
Page
26 / 75
7. Firmware
Updade
Firmware update is made for the need to improve performance and functionality. If you are
experiencing stability, reliability or image quality issues on your CLO projectors, the firmware update
might be an option of the solutions. Due to the hardware version may vary among versions and models,
each firmware update only provides solutions to specific issues in specific version & models of
machine. Applying inappropriate firmware might cause malfunction on your projectors. Please, check
the documentations or needed information (such as hardware version, firmware version or serial
number) associate with firmware before applying firmware on your projector.
To update firmware for NHT 726 front projector, you need a RS-232 cable and Flash Upgrader.exe
on
Projector Service AID CD that only provide to authorized technician and distributor.
Procedure to Update Firmware on Video Module
Step 1. Plug RS232 cable into computer and projector.
Step 2. Double click at “ FlashUpgarder” to open this file.
Step 3. Click “Choose” and select “FlashAll.inf”. There are five .HEX files in FlashAll.inf, flasher.hex,
bootcode.hex, gui.hex, configdata.hex, and romcode.hex. Technician is supposed to download
all of them.