Read Panasonic PT-VW350 / PT-VW350D / PT-VW350T / PT-VX420 / PT-VX420D / PT-VX420T / PT-VX421 (serv.man4) Service Manual online
ADJ-25
SECTION 3 ADJUSTMENTS
2. 2. Sub CPU Software Update
2. 2. 1. Required equipment
1. PC : Use for software transfer
2. Communication cable : D-sub 9pin (male/female RS-232C straight)
3. Software&data : Software for sub CPU software&
2. Communication cable : D-sub 9pin (male/female RS-232C straight)
3. Software&data : Software for sub CPU software&
firmware data
(Download from the projector service homepage.)
2. 2. 2. Preparation
1. Extract the software and data package to your favorite
directory on your computer.
2. With user menu, setup the standby mode to "ECO" and
the emulate mode to "VX500", and set the projector
into the standby.
into the standby.
3. Connect the serial terminal of projector and PC with an RS-232C cable.
2.2.3. Update procedure
1. Start up the writing tool [SubCpuFlashup.exe].
2. Click [Choose...] and choose the setting file [VW350_standby_micon_v1.00.mhx] in the extracted folder and then click
[Open].
3. Click [Write] to start writing of firmware.
<note>: Do not turn the projector off or disconnect the serial cable during the writing.
4. After completing writing, the another confirmation window will appear. Click [OK] to quit the
writing tool.
* Turn the projector on and display the [EXTRA OPTION] menu. Confirm that the version of the
sub CPU software is updated correctly on the [Self Check] item.
Communication cable (straight)
D-Sub 9p (Male)
D-Sub 9p (Female)
Projector Connection terminals
Computer
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