Sharp LC-26SA1E, Service Manual

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LC-26SA1E/RU, LC-32SA1E/RU
5 – 10
To start updating process follow next instructions:
1. Set Autoread in ON option.
2. Click on “GO” button.
3. Wait until “40” appears in Bootloader Version field.
4. Close DOS pop up windows pressing any key (“Press any key to continue...”.).
5. Click on the “Erase flash” button and wait for a seconds and set the AutoRead to OFF.
6. Check in the desired software version is selected in the “Load BinaFlash” option. If it’s not the correct one, please double click on the file name and
select it. The first time this software is use it’s necessary to confirm write Addressing margin as from 0x0 to 0x7ffff.
7. Click on the “Load Bin
→
Flash” to start updating process.
8. When the updating process finishes, the “Progress” pop up window automatically closes. If appears some problem during the updating process a
error label appears in the filename information line.
If the TV has problem to enters in the”Bootloader mode”, it’s possible to force it by hardware method. This alternative method is described
below:
1. Switch off TV set or hold VCTp RESET line to GND.
2. Pull down SCL line (pin 1) to GND (pin 3) in P2306 connector.
3. Switch on TV set or release VCTp RESET line.
4. Release SCL pull down after minimum of 2 seconds.
5. Check if VCTp is in bootloader mode with Autoread setting in ON.
6. Wait until “40” appears in Bootloader Version field.
7. Follow instruction from item 5 on software method.
Sometimes, depending on the PC hardware, the progress bar runs very fast (Normal time: 1 minute) or some error message appears in the filename
information line. This means it’s necessary to modify some parameter of LPT port, for this reason select “LPT Preferences” on the “File\Prefer-
ences...” menu and increase Delay from “0” to “1” or “2” (normally, these values are the best choice).