Samsung YP-P3, Service Manual

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Samsung Electronics 4-13
Troubleshooting
4-2-2 Bootloader Upgrade Method

When is this upgrade executed?
- This is a manual downloading method of firmware using the FWDN program by operating the product in the
system recovery mode when the YP-P3 is not turned on correctly or is not connected to the PC correctly.
- This method is used to fix problems without disassembling the product when the YP-P3 operates incorrectly.
- When using the program, beware of files in the product that may be deleted.

How to operate the YP-P3 in the system recovery mode
1
Execute the FWDN program.
2
Press the power button on the YP-P3.
3
Connect the USB cable while pressing the power button.
4
Press the reset button at the bottom of the YP-P3.

What is the system recovery mode on the YP-P3?
- It is not the firmware program included in the product, but it is a booting mode of the main chipset itself.
- It activates USB functions and saves the firmware forcibly in the product as the NAND flash memory using
the FWDN program.

Bootloader download procedure (FWDN program driver installation)

When using the FWDN_V5 program for the first time, you must install the driver that accompanies the program.
1. Click on the folder suitable for each operating system (MS Windows 2000, XP/Vista) in the “FWDN_V5\vtcdrv”
folder and execute the FWDN_V5 program after executing the “install.bat” file.
2. Turn on the YP-P3 and connect the USB cable. When entering the system recovery mode by pressing the reset
button, a window appears with the message, “A new device is detected”.
3. Select “Install the software automatically” and
click on “Next”.