LEXSOR - SCHAUEN - LC27M6S LCD TV - FACTORY MODE _ INITIALIZATION _ WHITE BALANCE _ PERFOMANCE CHECK _ SOFTWARE UPGRADING

FACTORY MODE [SERVICE MODE]

• Press”POWER”and press “video” immediately after to enter the factory menu.
• Press”S.M” and it is possible to change an adjustment page of factory menu.
• Press keys “CH+”and”CH-” it is possible to move the cursor up and down on a certain adjustment page.
• When the cursor is moved to a certain adjustment item, press “VOL-”and “VOL+” keys and then it is possible to carry out the adjustment for the item.
• Press”MENU” and exit from the factory menu.
• Before switching off the TV set, press”S.M” and it is possible to reenter the factory menu.
• When the machine is switched off it is possible to exit from the factory state.

EEPROM INITIALIZATION

• Enter the first page of the factory menu, select EEPROM Erase and then press”ENTER” key.
• Switch the TV set off and restart the set. Then it’s ready for initialization.

Note: For the restart it takes relatively longer time to show blue screen.

WHITE BALANCE FOR YpbPr CHANNEL

• Connect the signal of 480I(968 mode)in VG-848 to YpbPr port. Input the signal of gray degree 16 (921 graph spectrum). Fix the R Gain, G Gain and B Gain of the White Balance Adjust as 80H, 80H, and 80H.Set the R Offset, G offset and B offset of the 9883 Adjust items so that the color coordinates of the 4^th step from the left are 254 and 250 and the brightness is 3.5nit. Check if the color coordinates of the 13^th step (4^th step from the right) are 267 and 267 and if the brightness is 400 nit. If not, recheck the brightness and color coordinates of the 4^th  step and repeatedly adjust R Offset, G offset, B offset until the two gray degrees are both adjusted to the specified values.

PERFORMANCE CHECK

• Connect RF port to the central signal source. First enter the menu for selected items. Set the category of country. Then enter edit menu → auto station searching and check if there is skipped stations. Check for manual station searching to see if fine adjustment is normal. Check if the output of earphone and loudspeaker is normal and if the image is normal. Switch on PIP and POP(multi pictures),connect earphone wire and check if the display and sound are normal.

AV/S - VIDEO PORT

• Separately input the signals from the terminals of AV/S and check if the display and sound are normal. Switch on PIP and POP(multi pictures),connect earphone wire and check if the display and sound are normal.

VGA PORT

• Input the VGA signal(VG-848 signal generator). Separately input the various formats of YUV signals.
• Check if the display and sound are normal. If there are deviations for the line and field values on the picture, press Auto Sync on the Screen menu and make calibration. If the picture shows slight interference, adjust the Fine Tune of the Screen menu for calibration. Switch PIP on ,connect the earphone and check if the display and sound are normal.

DVI PORT

• DVI can receive the following three high definition signal formats -- 576P, 720P/60 Hz and 1080I/60 Hz. Input the DVI signal (VG-848 signal generator). Separately input the signals of the various DVI formats as listed above. Check if the display and sound are normal.
• If there are deviations for the line and field values on the picture, press Auto Sync on the Screen menu and make calibration. Switch PIP on ,connect the earphone and check if the display and sound are normal.

SOFTWARE UPGRADE

• Open the compressed files to obtain the “LoadDriver”, running the “IAPWriter.exe” and soon it will enter into IAP program.
• TV enter into IAP state(automatic software upgrading).
• One method: press constantly the “vol –” button, turn on.
• Another method: enter into the factory menu to select the “IAP” item, press the “enter” button.
• Connect the “IICtools” of computer with the upgrading interface of TV.
• Running “ IAPWriter ” to enter into the upgrading state(if there are failure between the computer and TV’s IIC communication, the indication that can’t enter into the next step will appear. you need to check the wiring at this moment.

After selecting “files” menu and obtaining the software which requires upgraded, selecting the “Device” menu: “write”=> “device”, until the indication of “success” appears at the down-left corner, turn off the power, unplug the tool and turn on the TV again.

Note: the upgrading process maybe appears unstable because of the upgrading software, but the software can download and write again automatic. if download and write repeated many times, please turn off the TV and enter into IAP again, upgrade again.