LG 26LC2D-UE LCD TV Service Menu

LG LCD MODEL 26LC2D CHASSIS MODEL LA63E

1. Application Object
These instructions are applied to all of the LCD TV, LA63E.
2. Notes
(1) Because this is not a hot chassis, it is not necessary to use an isolation transformer. However, the use of isolation transformer will help protect test equipment.
(2) Adjustments must be done in the correct order.
(3) The adjustments must be performed in the circumstance of 20±5°C of temperature and 65±10% of relative humidity if there is no specific designation.
(4) The input voltage of the receiver be must kept 110V, 60Hz when adjusting.
(5) The receiver must be operational for about 15 minutes prior to the adjustments.
Perform preliminary operation after receiving 100% White Pattern (06CH).
(Or 3. White Pattern status of Ez-Adjust)
LG 26LC2D-UE LCD TV White Pattern entry method


TV Service  LG 26LC2D-UE LCD

A) Enter into Ez-Adjust by pressing the ADJ key on the adjustment R/C.
B) 100% FULL WHITE PATTERN appears if pressing the OK ( ) key after selecting the 3.WHITE PATTERN with the CH + / - KEY.
* It is possible to heat run the set without a separate signal generator in this mode.
Caution : Care must be taken as afterimage phenomena may occur about the black level part of
screen If leaving pause image turned on for more than 20 minutes (especially inner digital pattern (13
CH), Cross Hatch Pattern (09CH) with significant black/white contrast).
3. MICOM Download(Option)
3-1. Required Test Equipment
(1) JIG-LEVER TYPE for adjusting: 1EA
(2) PC & MONITOR: 2EA
(3) BOARD for INTERFACE: IIC & ISP BOARD: 2EA
(4) 15P D-SUB CABLE: 2EA
(5) Using the 12/15 line of D-SUB 15P
12-SDA/15-SCL
4. LG 26LC2D-UE LCD TV ADC-Set Adjustment
4-1. Synopsis
ADC-Set adjustment to set the black level and the Gain to optimum.
4-2. Test Equipment
Service R/C, 801GF(802V, 802F, 802R) or MSPG925FA Pattern Generator
(480i/1080i The Horizontal 100% Color Bar Pattern adjust to within 0.7±0.1Vp-p)
4-3. Adjustment
(1) Select Component1 as the input with 100% Horizontal Color Bar Pattern(HozTV31Bar) in 480i Mode
(2) After receiving signal for at least 1 second, press the ADJ Key on the Service R/C to enter the ‘Ez - Adjust’ and select the ‘2. ADC 480i Comp1’.
Pressing the Enter Key to adjust automatically.
(3) When the adjustment is over, 'MST3361 Component Success’ is displayed. If the adjustment has errors,
'MST3361 Configuration Error’ is displayed.
(4) Select Component1 as the input with 100% Horizontal Color Bar Pattern(HozTV31Bar) in 1080i Mode.
(5) After receiving signal for at least 1 second, press the ADJ Key on the Service R/C to enter the ‘Ez - Adjust’ and select the ‘3. ADC 1080i Comp1/RGB’.
Pressing the Enter Key to adjust automatically.
(6) When the adjustment is over, 'MST3361 Component Success’ is displayed. If the adjustment has errors,
'MST3361 Configuration Error’ is displayed.
(7) After the Component MST3361 adjustment is over, convert the RGB-DTV Mode and display Pattern.
When the adjustment is over, 'MST3361 RGB_DTV Success’ is displayed.
(8) Readjust after confirming the case Pattern or adjustment condition where the adjustment errors.
(9) After adjustment is complete, exit the adjustment mode by pressing the ADJ KEY.
6. EDID(The Extended Display Identification Data)/DDC
(Display Data Channel) Download This is the function that enables “Plug and Play".
6-1. HDMI EDID Data Input (1) Required Test Equipment
1) PC, Jig for adjusting DDC. (PC serial to D-sub Connection equipment)
2) S/W for writing DDC(EDID data write & read)
3) D-Sub cable
4) Jig for HDMI Cable connection

(2) Preparation for Adjustments & Setting of Device
1) Set devices as below and turn on the PC and JIG.
2) Open S/W for writing DDC (EDID data write & read).
(operated in DOS mode)
7. LG 26LC2D-UE LCD TV Adjustment of White Balance
7-1. Required Equipment
(1) Color analyzer (CA-100 or CA210 similar product)
(2) Automatic adjustor (with automatic adjustment necessity and the RS-232C communication being possible)
(3) Pattern Generator(MSPG-925FA): DVI Output 7-2. Connection Diagram of Equipment for Measuring (Automatic Adjustment)
7-3. Adjustment of White Balance
(1) Enter ‘Ez - Adjust’ by pressing ADJ KEY on the Service
Remote Control.
(2) Select "9. WHITE PATTERN" using CH +/- Key and HEAT RUN at least 30 minutes by pressing the ENTER Key.
(3) Calibrate of the CA-210+, then attach sensor to LCD module surface when you adjust.
(4) After attaching sensor to center of screen, select ‘6. White-Balance’ of ‘Ez - Adjust’ by pressing the ADJ KEY on the Service R/C. Then enter adjustment mode by pressing the Right KEY (G ) .