Friday, January 15, 2016

How to enter service mode Samsung lcd tv - SAMSUNG LE32S81 Service mode - white balance adjustment - Software update procedure LCD Television repair and service

Category: LCD Television Repair and service 

Contents of this article 

  • How to enter to service mode
  • White balance adjustment 
  • Software Update 



SAMSUNG LE32S81

Entering Factory Mode
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.
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)
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 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.
# 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. (Refer to table 1, 2 in adjustment position by mode)
# Adjust red gain ('x') and blue gain ('y') to the color coordinates.
3 Do not adjust the green gain and sub-contrast (Y) data.
3 Alignments and Adjustments
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.
Software Upgrade
How to Update Flash ROM
1. Installthe Flash Downloader
ConnectSet(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.