LG Electronics LD84A service manual Adjustment Instruction, Designation, Main PCB check process

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ADJUSTMENT INSTRUCTION

1. Application Range

This specification sheet is applied to all of the LCD TV with LD84A chassis.

2.Designation

1)The adjustment is according to the order which is designated and which must be followed, according to the plan which can be changed only on agreeing.

2)Power Adjustment: Free Voltage

3)Magnetic Field Condition: Nil.

4)Input signal Unit: Product Specification Standard

5)Reserve after operation: Above 5 Minutes (Heat Run)

Temperature : at 25±5ºC

Relative humidity : 65±10%

Input voltage : 220V, 60Hz

6)Adjustment equipments: Color Analyzer (CA-210 or CA- 110), Pattern Generator (MSPG-925L or Equivalent), DDC Adjustment Jig equipment, SVC remote controller

7)Don’t push The “IN STOP KEY” after completing the function inspection.

5.Click “Auto” tab and set as below

6.Click “Run”.

7.After downloading, check “OK” message.

(5)

filexxx.bin

(7)

OK

(6)

*USB DOWNLOAD

1)Put the USB Stick to the USB socket

2)Automatically detecting update file in USB Stick

-If your downloaded program version in USB Stick is Low, it didn’t work. But your downloaded version is High, USB data is automatically detecting

3)Show the message “Copying files from memory”

3.Main PCB check process

* APC - After Manual-Insult, executing APC

*Download

1)Execute ISP program “Mstar ISP Utility” and then click “Config” tab.

2)Set as below, and then click “Auto Detect” and check “OK” message. If display “Error”, Check connect computer, jig, and set.

3)Click “Connect” tab. If display “Can’t”, Check connect

computer, jig, and set.

4) Updating is staring.

(1)(3)

Please Check Speed :

To us speed between from 200 KHz to 400 KHz

(2)OK

4)Click “Read” tab, and then load download file(XXXX.bin) by clicking “Read”.

(4)

filexxx.bin

5)Updating Completed, The TV will restart automatically.

6)If your TV is turned on, check your updated version and Tool option. (explain the Tool option, next stage)

* If downloading version is more high than your TV have, TV can lost all channel data. In this case, you have to channel recover. if all channel data is cleared, you didn’t have a DTV/ATV test on production line.

Copyright © 2008 LG Electronics. Inc. All right reserved.

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LGE Internal Use Only

Only for training and service purposes

 

 

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Contents LCD TV Contents Safety Precautions Important Safety NoticeServicing Precautions Electrostatically Sensitive ES DevicesIC Remove/Replacement Application range SpecificationModule general specification Requirement for TestModel general specification RGB PC Input Mode Component Video Input Y, PB, PRSdtv 576P SdtvSdtv 480P Hdtv 720PDesignation Adjustment InstructionMain PCB check process Calibration Component ADC ProcessFunction Check AV SCART1/SCART2/S-VHS/CVBSTotal Assembly line process Outgoing condition Configuration Setting Scaler MstarInternal pressure Symptom TroubleshootingNo Power Check processNo Raster Unusual display from TV/CATV mode Unusual display from DTV modeUnusual display from Component mode Unusual display from AV1/AV2SCART modeUnusual display from AV3SIDE AV mode Cvbs Input RGB InputUnusual display from RGB mode Unusual display from Hdmi 1/2/3 modeNo Sound Diagram BlockMemo Exploded View Page Page Page Feb