Download Print this page

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

Hp mdtv rear projection tvs fall 2005.
Hide thumbs


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.



   Related Manuals for HP L1735A

Comments to this Manuals

Symbols: 0
Latest comments:
  • naseer Mar 27, 2016 02:35:
    Service code I have been made his first day