How to enter service mode, Software upgrade - BBK LED LCD TV fault finding chart, SMPS schematic and more .......

BBK LED LCD TV - 2475F- MST6M182VG - (75 and 85 series) service help;

How to enter the service mode, fault finding chart, SMPS schematic and more ….

How to enter the Service Mode

Press “Source” button on the remote control, then press”2580”,.

The service menu will be displayed.

Service mode description

Color Temp: select a color temperature mode that you want to adjust.
R Gain: red gain for white balance adjusting;
G Gain: green gain for white balance adjusting;
B Gain: blue gain for white balance adjusting;
R Offset: red offset for white balance adjusting;
G Gain: green offset for white balance adjusting;
B Gain: blue offset for white balance adjusting;
Aging: to turn on or off aging mode, optional setting: On /Off;
Auto config: Auto adjust ADC channel difference, only available in VGA mode;
EEprom clear:Rreset EEPROM data to default value, all users’ program and setting will be lost;

Panel: select different panel for factory;
TTX language: select Teletext language, optional setting: West East Russia;
DVD source set: to turn on or off DVD source in the user menu, optional setting: On/Off;
Hotel mode: to turn on or off hotel mode, optional setting: On/Off;
Key mode:to turn on or off local keyboard, optional setting: On/Off;
Power on: to setting the power on source, optional setting: TV Other;
Power mode: to setting the power on mode, optional setting: Force on Memory standby;
Volume:to setting the max sound volume when hotel mode is active;
AGC: to setting tuner’s RF AGC value;

Notes: Color temperature adjusting.

In different source the white balance can be adjust separated. The details as below:

1) DVD&YpbPr source use same group color temperature value.
2) TV&Scart source use same group color temperature value.
3) VGA&HDMI source use separated color temperature value. Auto Config:

Change source to VGA mode and with grey scale pattern then enter service mode to do this item.

Main Board Software upgrade

1.burn the software to USB device.

Noted: Software name have to be MERGE182.bin.

2 Power on TV, and switch source to ATV.
3 Insert USB device to TV, and then screen will display a message window to inform you upgrade TV or not.

Press” LEFT” direction button to upgrade.
4 It might take 40 seconds to upgrade.

In this process, don’t unplug USB device, don’t power off the TV.

DVD Software upgrade

1) Rename the upgrading file to “MTK.BIN”.
2) Run“Nero Express”, select burn format “ISO data disc”.

3) Add “MTK.BIN” file to burn list.

4) Set disc name to“1389J”，and then press ”burn” to start.

5) After several minutes, it will display the relevent picture.

Press “ok” to finish.

6) Enter DVD source and insert the upgrading disc to DVD loader.

7) DVD begins to read the disc, Will show a dialog box.

Press “Play” button on remote control, Will shown a dialog box.
Wait a few minutes (about 5 minutes) ,then DVD will restart automatically .
During upgrading time, don’t power off TV.

9) After the TV restart, Enter DVD setup menu to check the version number.

10) Press “9” “2” “1” “0” button.

You will enter DVD factory menu.
A dialog box will be showed. the version number.

SMPS PWB, circuit diagram & Troubleshooting & Connector voltages

FSE060E is a Power board+LED board ASS. Can supply 5V/3A and 12V/1.5A to system, and drive the LED backlight also.

SMPS service chart

OT2450 is a LED adaptor board, to work with FSE060E together. By configuring the circuit parameter for OT2450, so that the FSE060E output current value is used to meet the needs of a variety of panel's backlight current.