Read Sharp PN-L802B (serv.man8) Service Manual online
CHAPTER 5. FIRMWARE UPDATA PROCEDURES/EDID WRITING PROCEDURES
PN-L802B FIRMWARE UPDATA PROCEDURES/EDID WRITING PROCEDURES
5 – 5
2 - 2. FIRMWARE UPDATE
Press the [PN-ZB01 Firmware] button of the Service Launcher.
1 ) Select the COM port to be used for communication and input the
transfer rate specified with the Information Display. The default of
transfer rate is 38400bps. (In the right illustration, [COM1:
38400bps] is selected.)
38400bps] is selected.)
CAUTION
n
Do not use two check-boxes (Empty ROM, NO Scaler) in the
right at normal conditions. (Leave the boxes unchecked.)
2 ) You are to select the firmware file, but you don't need to make any
change.
3 ) By pressing [START] button, the confirmation window of version
and checksum is displayed.
Confirm that the version and checksum are correct, and then press
[OK].
[OK].
The writing is completed in about 2 minutes. Once “Complete!” is
displayed, the firmware update has been finished.
displayed, the firmware update has been finished.
MEMO
n
When PC is equipped with RS232C port, it takes about 1 minute.
When a USB serial convert cable is used, it takes about 2 minutes.
When a USB serial convert cable is used, it takes about 2 minutes.
4 ) When the update has succeeded, the message “Complete!” is dis-
played as shown in the illustration.
After writing, turn OFF and ON the main power.
2 - 3. VERSION CHECK PROCEDURES
■ CHECK METHOD BY THE SERVICE MENU
With an image displayed on this machine, use the remote controller to
display SERVICE MENU1 to check the firmware version (FIRM VER-
display SERVICE MENU1 to check the firmware version (FIRM VER-
SION (SUB)).
To display SERVICE MENU1, press and hold [SIZE] button of the
remote controller (for 5 sec or more), and press [BRIGHT- (
1 )], [VOL-
(
4 )], [BRIGHT+ ( 3 )] and [VOL+ ( 2 )] in this sequence.
After checking the version, press [MENU] button of the remote control-
ler to close the SERVICE MENU1 display.
COM PORT, FIRMWARE FILE SETTING
FIRMWARE UPDATE
SERVICE1
SERVICE2
SERVICE3
MODEL
S/N
SERVICE MENU1
FIRM VERSION (MAIN)
CHECK SUM (MAIN)
FIRM VERSION (SUB)
CHECK SUM (SUB)
CHECK SUM (MAIN)
FIRM VERSION (SUB)
CHECK SUM (SUB)
USAGE TIME
1/1
: PN-XXXX
: XXXXXXXX
: OK Ver 1.00 (110801)
: XXXXXXXX
: OK Ver 1.00 (110801)
FIRM VERSION (DSD)
: OK Ver 1.0.6
: OK 1234ABCDEF
: OK Ver 1.00 (110801)
: OK 1234ABCD
: OK 1234ABCD
: 999999H
END
̖[MENU]
ADJUSTMENT CHECK
: W/B CALIB
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