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HP L1735A Serivce Manual: Equipment Needed; Usb Upgrade Function Overview; Usb Flash Disk Usage

Hp mdtv rear projection tvs fall 2005.
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Chapter 5
Firmware Upgrade Procedure

Equipment Needed

Software :
- Zappa Projection Firmware
Hardware :
- Zappa Projection TV
- USB Flash Disk
USB Upgrade Function Overview
Zappa builds in USB OTG chip for F/W upgrade purpose; user just put F/W hex code into
USB Flash Disk, and then plug it to USB receptacle of TV, system will upgrade the F/W to
appropriate unit. There are 7 units can be upgrade, MTV512, VGA EDID, HDMI 1 EDID,
HDMI 2 EDID, Pixel works Flash, DTV module Flash and CSC1220.
USB Flash Disk Usage
Zappa USB OTG only recongnizes USB flash disk device, other devices will be ignored.
a. File system: USB driver support FAT 12, FAT 16 and FAT 32 file systems. Also support
OTG HOST mode only.
b. File location: User can put F/W hex code in any directory or root directory.
c. Sub File Name: Current driver only can recognize *.hex sub file name. So you may need to
rename the sub file name to be "HEX", such as DTV module, that F/W file name is
"vxWorks_user.bin", you need to rename it to be "vxWorks_user.hex".
d. File Name: Driver recognizes prefix file name then decide which unit should be upgraded,
you can put any characters after prefix, such as date or version. For example, Mtv512_v02.
hex, "Mtv512" is prefix and driver will recognize it and upgrade it to MTV512. The prefix file
name of each unit list as below.
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  • naseer Mar 27, 2016 02:35:
    Service code I have been made his first day