Samsung LE27S71B TFT-LCD TV service mode adjustments, white balance adjustment, firmware update

 

Models: LE32S71B, LE37S71B, LE37S61B, LE40S71B, LE40S61B,   Chassis: GSM27SE, GSM32SE, GSM37SE, GSM37HEU, GSM40SE And GSM40SEU

Entering Factory Mode

To enter "Service Mode" Press the remote -control keys in this sequence:

- If you do not have Factory remote – control.

POWER OFF > INFO > MENU > MUTE > POWER ON

If you have Factory remote – control

PICTURE ON > DISPLAY > FACTORY

The buttons are active in the service mode.

Remote - Control Key: Power, Arrow Up, Arrow Down, Arrow Left, Arrow Right, Menu, Enter, Number Key (0~9)

Function - Control Key: Power, CH +, CH -, VOL +, VOL -, Menu, TV/VIDEO (Enter)

Panel Check

Especially for LE26, 32R7**, you have to check Panel Maker Because of different adjustments as follows.

First of all, check the label rating.

Panel BOM (Bill of material): BN07-00289A

Connector between Panel and Power Unit

: BN39-00603M (300mm)

Option Byte

1. Gamma "AUO"

2. Panel Option "AUO"

If Panel Mark is "S" or not printed. Set the factory mode indicating as follows.

Panel BOM (Bill of material) : BN07-00247A

Connector between Panel and Power Unit

: BN39-00603M (300mm)

 Option Byte

1. Gamma "AMLCD"

2. Panel Option "AMLCD_INT"

If Panel Mark is "C”, Set the Factory mode indicating as follows.

Panel BOM (Bill of Material) : BN07-00207A

Connector between Panel and Power Unit: BN39-00659A (200mm)

 Option Byte

1. Gamma “CMO”

2. Panel Option “CMO”

Others are same shown below.

Factory Data

1. Calibration

2. Option Table XXXX XXXX

3. White Balance

4. SVP-FX

5. Option Block

6. STV8257/STA323W

7. YC Delay

8. Adjust

9. I2C Check

10. W/B MOVIE

11. Checksum

12. Reset

13. Spread Spectrum

T-MILMPEU-1006 (Main Micom Ver)

T-MILMPEUS-1002 (Sub Micom Ver)

Month - Day - Year - Hour - Min. - Sec.

Calibration

1) AV Calibration

2) DTV Calibration

3) PC Calibration.

Alignments and Adjustments

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.

White Balance – Calibration

If picture color is wrong, do calibration first.

Equipment: CA210, Patten: chess pattern

Execute calibration in Factory Mode

Source AV: PAL composite, Component: 1280*720-60Hz

PC: 1024*768-60Hz.

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 +or -500, -6 ~-20 MPCD

Color coordinate

H-L : 267-263 +or - 2 35.0 Ft + or - 2.0Ft

L-L : 270-260 + or - 3 1.5 Ft + or - 0.2Ft

Toshiba Patten

Conditions for Measurement

1. On the basis of Toshiba ABL pattern: High Light level (57 IRE)

- INPUT SIGNAL GENERATOR: MSPG-925LTH

* Mode NO 2: 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 white balance of AV, Component and DVI Modes. (AV > Component)

a) Set the input to the mode in which the adjustment will be made (RF > DTV > PC > DVI).

* Input signal - VIDEO Mode: Model #2 (744*484 Mode), Pattern #16

- DTV, DVI Mode: Model #6 (1280*720 Mode), Pattern #16

- HDMI Mode: Model #6(1280*720 Mode), Pattern #16.

b) Enter factory color control, confirm the data.

c) Adjust the low light. (Refer to table 1, 2 in adjustment position by mode) [Given above]

- Adjust sub - Brightness to set the 'Y' value.

- Adjust red offset ('x') and blue offset ('y') to the color coordinates.

d) Adjust the high light. (Refer to table 1, 2 in adjustment position by mode)

- Adjust red gain ('x') and blue gain ('y') to the color coordinates.

[Do not adjust the green gain and sub-contrast (Y) data.]

Adjust the high light. (Refer to table 1, 2 in adjustment position by mode) [Given above]

- Adjust red gain ('x') and blue gain ('y') to the color coordinates.

* Do not adjust the green gain and sub-contrast (Y) data.