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Before UPDATE the Digital Soft Firmware, it is necessary to install the WRITING TOOLS into the PC.
For the installation of WRITING TOOL, refer to the "INSTALLING FOR WRITING TOOLS".

Unplug the AC cord, and remove the back cabinet.

Using the Serial Communication Change JIG (JG198) and RS232 Cable, connect the PC terminal and UART
Connector(CP2402) on the DIGITAL PCB Ass'y.

Connect it in order of Digital Pcb       Serial Communication Change JIG(JG198)        RS232 Cable       PC.

Insert the AC cord, turn on the power.

Press both VOLUME DOWN button on the set and Channel button (2) on the remote control for 2 seconds.
Confirm that displayed software version.

Set the Standby mode.

Set the DTV ROM DISC(JG176) to PC.

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Serial Communication Change JIG(JG198)

RS232 Cable

TO PC

TO DIGITAL PCB

UART Connector(CP2402)

7. Start the "Winupload"(Writing tool).

8. Select the "Port Setting" from Process menu, then please set it as follows.

NOTE: This step is not necessary from next time.

Unplug the AC cord on the set, then plug it in again.

Turn on the power.
The following window will appear, Up-date for Software will start.
"Uploading inprogress" bar will begin to move.

Select the "Connect" from File menu.

Select the "Upload" from Process menu, and select the Software(CB00C75091.urt) in DTV ROM DISC(JG176).

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When the "Uploading inprogress" bar reaches a right edge, the Writing for Digital Soft Firmware will start.
During the writing for Digital Soft Firmware, writing message will appear on the screen.
Finish the writing for Digital Soft Firmware, writing message will disappear.

Unplug the AC cord, and remove the Serial Communication Change JIG(JG198).

Insert the AC cord again.

After the write, set to the initializing of shipping.
Turn on the power.

Press both VOLUME DOWN button on the set and Channel button (1) on the remote control for 2 seconds.
The set will turn into the standby mode.

Check for the Firmware Version
Turn on the power.

Press both VOLUME DOWN button on the set and Channel button (2) on the remote control for 2 seconds.
When the changed version displays, the Re-write will be completed.

Select the "Disconnect" from File menu.