After exchange parts, check and adjust the contents of adjustment mode.
HOW TO ENTER SERVICE MODE
HOW TO ENTER SERVICE MODE
- While pressing (Vol -ve) button on the front panel of the TV, and press 'Info" button on the remote control [3times, within 2 seconds].
KEY COMMANDS
[1] Button => Main items selection in forward direction.
[2] Button => Main items selection in reverse dirction.
[3] Button => Sub items selection in forward direction.
[4] Button => Sub items selection in reverse direction.
[VOL] Button => Change the value of sub items in forward or reverse direcion.
TO EXIT FROM SERVICE MODE
Switch OFF the Power, using Power Button on the front panel of the TV.
HOTEL MODE
Is used to restrict a function for Hotels.
- Access command to the hotel mode setup menu:
- While pressing the (Vol-ve) button on the main unit, press 'Input" button of the remote control 3 times within 2 seconds.
- To exit from hotel mode setup, disconnect AC power from wall socket.
DATA COPY BY SD CARD
When exchanging A board, the data in original A board can be copied to SD card and then copy it in new A board. When installing number of units in hotel or any facility, the data in master TV can be copied to SD card and then copy to other.
PREPARATION
- Insert an empty SD card to your PC.
- Right-click a blank area in SD card window, point New, and then click text document. A new file is created by default.
- Right-click the new text document that you just created and select 'rename', and then change the name and extension of file to the following file name for (a) or (b) and press Enter.
- File name: (a) For board replacement: bordreplace.pwd (b) For Hotel: hotel.pwd
Make only one file to prevent the operation error. No any other file should be in SD card.
DATA COPY TO SD CARD FROM TV SET
- Turn ON the TV set.
- Insert SD card with a start up file(pwd file) to SD slot.
- Input a following password: For board replacement: [2770]. For Hotel: [4850]. Data will be copied from TV set to SD card. It will take up to 6 minutes to complete.
- After completion of copying to SD card, remote SD card from TV set.
- Turn OFF the TV set.
Following new folder will be created in SD card for data from TV set.
- For board replacement: user_setup
- For Hotel: hotel
DATA COPY FROM SD CARD TO TV SET
- Turn ON the TV set.
- Insert SD card with data ot SD slot. On screen display will be appeared according to the Data Folder automatically.
- Input the following password for board replacement: [2771]. For Hotel: [2771]. Data will be copied from SD card to TV.
- After completion of copying SD card, remove SD card from TV set. For board replacement: Data will be deleted after copying. For Hotel: Data will not be deleted, and can be used for other TVs.
Depending on the failure of boards, function of Data Copy for board replacement does not work.This function can be effective among the same model numbers.
POWER LED BLINKING
- 1 Blink => Back light SOS => LCD panel _ P-Board
- 3 Blinks => Tuner SOS => A-Board _ P-Board.
- 4 Blinks => P 15V SOS => A-Board _ P-Board
- 7 Blinks => Sub 3.3V SOS => A-Board
- 9 Blinks => Sound SOS => A-Board _ Speaker.
- 10 Blinks => ZWE12 SOS => LCD Panel.
- 13 Blinks => Emergency SOS => A-Board.
LCD PANEL TEST MODE
How to Enter & Exit
While pressing [Vol-ve] button on the main unit, press Sub Menu button on the remote control 3 times within 2 seconds. Disconnect the AC plug to Exit.
How to Confirm
If abnormal picture is displayed, go to LCD panel test mode to display several test patterns. And then judge by the following method. Still abnormal picture is displayed, the cause must be LCD panel. If normal picture is displayed, the cause must be A board.
Test pattern is created by the circuit in the LCD panel. In LCD panel test mode, this test pattern is displayed unaffected by signal processing for RF or input signals. If the normal picture is displayed, LCD panel must be okay, and cause of failure must be A board.
