SHARP LC-26AD22U _ SERVICE MODE_FIRMWARE UPDATE _ MEMORY IC REPLACEMENT

TO ENTER SERVICE MODE

     This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily.

     To enter to the SERVICE MODE function, press and hold both buttons simultaneously on the main unit and on the remote control for more than a the standard time in the appropriate condition. (See below chart.)

Set condition	Set key	Remocon key	Standard time	Operations
TV mode	VOL. DOWN (Minimum)	0	2 sec.	Releasing of V-CHIP PASSWORD.
TV mode	VOL. DOWN (Minimum)	1	2 sec	Initialization of factory TV data. NOTE: If you set factory initialization, the memories are reset such as the channel setting, and the POWER ON total hours.
DVD mode (No disc)	VOL. DOWN (Minimum)	4	2 sec	Initialization of factory DVD data.
DVD mode (No disc)	VOL. DOWN (Minimum)	5	2 sec	DVD Write mode. Refer to the “RE-WRITE FOR DVD FIRMWARE”. NOTE: Do not use this for normal servicing.
TV mode	VOL. DOWN (Minimum)	6	2 sec	POWER ON total hours are displayed on the screen. Can be checked of the INITIAL DATA of MEMORY IC. Refer to the "WHEN REPLACING EEPROM (MEMORY) IC".
TV mode	VOL. DOWN (Minimum)	8	2 sec	Check of the SUM DATA and MICON VERSION on the screen. Refer to the "WHEN REPLACING EEPROM (MEMORY) IC".
ALL mode	VOL. DOWN (Minimum)	9	2 sec	Display of the Adjustment MENU on the screen
DVD mode.  No disc	Stop	1	2 sec	D V D Check of the firmware version. NOTE: Do not use this for normal servicing
DVD mode.  No disc	Stop	7	2 sec	Releasing of PARENTAL LOCK.

RE-WRITE FOR DVD FIRMWARE

[JG176 Up-Date Disc.]

• Turn on the power, and set the DVD mode.
• Confirm that the “No Disc” will be appeared on the screen.
• Press both VOL. DOWN button on the set and Channel button (5) on the remote control for more than 2 seconds.
• Press VOL. UP/DOWN button on the unit to check if all the keys on the unit do not function.

NOTE: To check if DVD Write mode is set.  When inserting Up-Date Disc at Non DVD Write mode, the read error will happen.

• Insert the Up-Date Disc.
• Automatic read will start and "Firmware upgrade Programing, Please Wait... Do not switch the player off!" will be displayed on the screen.
• At this time, the horizontal noise lines may appear. But no problem.

NOTE: Do not turn off the unit on the way or operate the keys on the unit and remocon.  Up-Date error will happen and can not be done with the Up-Date of Up-Date Disc.

• After the Up-Date, Logo screen will appear.
• Unplug the AC cord, then plug it in.
• After the write, set to the initializing of shipping.
• Turn on the power, and set the DVD mode.
• Press both VOL. DOWN button on the set and Channel button (4) on the remote control for more than 2 seconds.
• The "INITIALIZE 5 ---> COMPLETE" will appear on the screen.
• Then unplug the AC cord, and plug it in.

CHECK FOR THE FIRMWARE VERSION

• Turn on the power, and set the DVD mode.
• Press both Channel button (1) on the remote control and the STOP button on the set for more than 2 seconds.
• Firmware version will be displayed on the top left of the screen.  When the changed version displays, the Re-write will be completed.
• Turn off the power.

RE-WRITE FOR DIGITAL SOFT FIRMWARE

[JG176 APJG176121 2007 USA DTV LCD Up-Date of the Firmware:  ROM DISC:  USA HD DTV ROM DISC:  Update Firmware.]

• Copy the "update.dat" in CD to USB Flash Memory.

Recommended USB Flash Memory

SanDisk Cruzer Mini USB Flash Drive 128Mb

SanDisk Cruzer Mini USB Flash Drive 256Mb

SanDisk Cruzer Micoro USB Flash Drive 128Mb

SanDisk Cruzer Micoro USB Flash Drive 256Mb

TwinMos ModileDisk3 128Mb (USB 2.0)

TwinMos ModileDisk3 256Mb (USB 2.0)

Note:  After Format is done with FAT32 File system beforehand, USB Flash Memory is used.  The computer of WINDOWS2000 is used.

• Confirm that the AC cord is plugged out.
• Set the minus driver to the topside of the USB connector cover, remove the USB connector cover.  Insert the USB Flash Memory to USB connector.
• Insert the AC CORD of the set and turn on the power. The Up-Date will start automatically.
• During the writing, "PLEASE WAIT" will appear on the screen.
• After the Up-Date, the screen will return to normal screen.
• Turn off the power.
• Unplug the AC CORD, and remove the USB Flash Memory.
• Insert the AC CORD again.

After the data input, set to the initializing of shipping.

• Turn on the power.
• Press both Channel button (1) on the remote control and the VOLUME DOWN button on the set for more than 2 seconds.
• The unit will now have the correct DATA for the new DIGITAL SOFT FIRMWARE.

WHEN REPLACING MEMORY IC [CONFIRMATION OF CHECK SUM, POWER ON TOTAL HOURS & MICON VERSION]

• Initial total of MEMORY IC, POWER ON total hours and MICON VERSIONcan be checked on the screen. Total hours are displayed in 16 system of notation.

Note:  If you set a factory initialization, the total hours is reset to "0".

Refer to "CONFIRMATION OF INITIAL DATA" when SUM DATA is not corresponding.

• Turn on the POWER, and set to the TV mode.
• Set the VOLUME to minimum.
• Press both VOL. DOWN button on the set and Channel button (8) on the remote control for more than 2 seconds.
• After the confirmation of each check sum, turn off the power.

----------------------------------

HCS CHK SUM : 054C

HRM CHK SUM : FA74

LCD PWR ON : 0000

OEC6088A_X242

DTV CA03B71153

---------------------------------

CONFIRMATION OF INITIAL DATA

• If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings.
• Turn on the POWER, and set to the TV mode.
• Set the VOLUME to minimum.
• Press both VOL. DOWN button on the set and Channel button (6) on the remote control for more than 2 seconds.

ADDRESS and DATA should appear as:

---------------------------

HCS 00 0A

HRM 0600 02

OEC6088A_X242

DTV CA03B71153

--------------------------

• ADDRESS is now selected and should "blink". Using the UP/DOWN buton on the remote, step through the ADDRESS until
• Press RIGHT/LEFT button to select DATA. When DATA is selected, it will "blink".
• Again, step through the DATA using UP/DOWN button until required DATA value has been selected.
• Pressing RIGHT/LEFT button will take you back to ADDRESS for further selection if necessary.
• Repeat steps 4 to 6 until all data has been checked.
• When satisfied correct DATA has been entered, turn POWER off (return to STANDBY MODE) to finish DATA input.

After the data input, set to the initializing of shipping.

• Turn POWER on.
• Press both VOL. DOWN button on the set and Channel button (1) on the remote control for more than 2 seconds.
• After the finishing of the initializing of shipping, the unit will turn off automatically.
• The unit will now have the correct DATA for the new MEMORY IC.