SAMSUNG LE26M51B- LE32M61B- LE40M51B -LE46M51B SERVICE MODE AND STANDBY POWER SUPPLY CIRCUIT

SAMSUNG LE26M51B- LE32M61B- LE40M51B -LE46M51B


 SERVICE MODE AND STANDBY POWER SUPPLY CIRCUIT 

Entering Factory Mode
To enter to service mode press the remote control keys in the following sequence
POWER OFF > INFO > MENU > MUTE >POWER ON
If with service remote,
PICTURE ON > DISPLAY >FACTORY  
The buttons are active in the service mode.
1. Remote - Control Key : Power, Arrow Up, Arrow Down, Arrow Left Arrow Right, Menu, Enter, Number Key(0~9)
2. Function - Control Key : Power, CH +, CH -, VOL +, VOL -, Menu, TV/VIDEO(Enter)
Panel Check
Specially for LE32R51BX, You have to check Panel Maker Because of different adjustments as follows. First of all, Check the label rating!
1) Label Rating File

* If not printed you could consider S(sec) panel mark.
2) If Panel Mark is "A", Set the factory mode indicating as follows.
* Option Byte
1. Inch Option 32"
2. Gamma 32"AUO
3. Panel Option AUO
White Balance - Calibration
If picture color is wrong, do calibration first.
Equipment : CA210, Patten : 16 gray
Execute calibration in Factory Mode
Source AV : PAL composite, Component : 1280*720/60Hz
PC : 1024*768/60Hz
White Balance - Adjustment
If picture color is wrong, check White Balance condition.
Equipment : CA210, Patten : Toshiba
Adjust W/B in Factory Mode
Sub brightness and R/G/B Offset controls low light region
Sub contrast and R/G/B Gain controls high light region
Source AV : PAL composite, Component : 1280*720/60Hz
HDMI[DVI] : 1280*720/60Hz
[ Test Pattern : MSPG-945 Series Pattern #16 ]
*Color temperature
1500K +/-500, -6 ~-20 MPCD
*Color coordinate
H/L : 267/263 +/- 2 35.0 Ft +/- 2.0Ft
L/L : 270/260 +/- 3 1.5 Ft +/- 0.2Ft
Conditions for Measurement
1. On the basis of toshiba ABL pattern : High Light level (57 IRE)
- INPUT SIGNAL GENERATOR : MSPG-925LTH
* Mode NO 1 : 744X484@60 Hz
NO 6 : 1280X720@60 Hz
NO 21 : 1024X768@60 Hz
* Pattern NO 36 : 16 Color Pattern
NO 16 : Toshiba ABL Pattern
2. Optical measuring device : CA210 (FL)
Please use the MSPG-925 LTH generator for model LE26M51B/LE32M51B/LE40M51B/LE46M51B.
Method of Adjustment
1. Adjust the basic level of DTV and PC input signals.
a) Set the input to the mode in which the adjustment will be made (DTV PC ).
* Input signal - DTV Mode : Model #6 (1280*720 Mode), Pattern #36
- PC Mode : Model #21 (1024*768 Mode), Pattern #16
b) Enter factory Calibration, confirm the ADC data (DTV, PC Mode Only).
2. Adjust the white balance of RF, DTV, PC and DVI Modes.
a) Set the input to the mode in which the adjustment will be made
(RF DTV PC DVI).
* Input signal - VIDEO Mode : Model #1 (744*484 Mode), Pattern #16
- DTV,DVI Mode : Model #6 (1280*720 Mode), Pattern #16
- PC Mode : Model #21 (1024*768 Mode), Pattern #16
b) Enter factory color control, confirm the data.
3 Alignments and Adjustments
c) Adjust the low light.
- Adjust sub - Brightness to set the 'Y' value.
- Adjust red offset ('x') and blue offset ('y') to the color coordinates.
* Do not adjust green offset data.
d) Adjust the high light.
- Adjust red gain ('x') and blue gain ('y') to the color coordinates.
* Do not adjust the green gain and sub-contrast (Y) data.
How to Update Flash ROM
1. Install the Flash Downloader
Connect Set(Service Jack)and Jig Cable to execute Program Update.
2. Flash Downloader program update
-Before Turning on the set,Click "connect"which is under of OSD Screen!
-Turn on the Set.
STANDBY POWER SUPPLY CIRCUIT 
CLICK ON THE IMAGE TO ZOOM IN