LG Electronics 55LA625C-ZA service manual Adjustment Instruction, Application Range, Designation

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ADJUSTMENT INSTRUCTION

ADJUSTMENT INSTRUCTION

1. Application Range

This specification sheet is applied to all of the LED TV with LD3AC 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 °C ± 5 °C

Relative humidity : 65 ± 10 %

Input voltage : 220 V, 60 Hz

(6)Adjustment equipments: Color Analyzer(CA-210 or CA-110), DDC Adjustment Jig, Service remote control.

(7)Push the "IN STOP" key - For memory initialization.

Case1 : Software version up

1.After downloading S/W by USB , TV set will reboot automatically.

2.Push “In-stop” key.

3.Push “Power on” key.

4.Function inspection

5.After function inspection, Push “In-stop” key. Case2 : Function check at the assembly line

1.When TV set is entering on the assembly line, Push “In-stop” key at first.

2.Push “Power on” key for turning it on.

If you push “Power on” key, TV set will recover

channel information by itself.

3.After function inspection, Push “In-stop” key.

3.Main PCB check process

APC - After Manual-Insert, executing APC

*Boot file 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 "Error" is displayed, check connection between computer, jig, and set.

(3)Click "Read" tab, and then load download file(XXXX.bin) by clicking "Read".

(1)

filexxx.bin

(4)Click "Connect" tab. If "Can't" is displayed, check connection between computer, jig, and set.

(2)1. Application Range (3)

Please Check the Speed : To use speed between from 200KHz to 400KHz

(5)Click "Auto" tab and set as below.

(6)Click "Run".

(7)After downloading, check "OK" message.

(4)

filexxx.bin

(5)

(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".

(4)Updating is starting.

(5)Updating Completed, The TV will restart automatically in 5 seconds.

(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 ©

LG Electronics. Inc. All rights reserved.

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LGE Internal Use Only

Only for training and service purposes

 

 

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Contents LED TV SERVICE MANUALREAD THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL 55LA625C 55LA625C-ZALG Electronics. Inc. All rights reserved Only for training and service purposesCopyright LGE Internal Use OnlyBefore returning the receiver to the customer SAFETY PRECAUTIONSGeneral Guidance Leakage Current Cold CheckAntenna Cold CheckSERVICING PRECAUTIONS Electrostatically Sensitive ES DevicesSmall-Signal Discrete Transistor Removal/Replacement IC Remove/ReplacementReplacement Removal1. Application range SPECIFICATION4. Model General Specification 3. Test methodGuard IntervalBitrateMbit/s Symbolrate 4.0Msymbols/s to 7.2Msymbols/sDVB-T 1/4, 1/8, 1/16, 1/325.2. RGB Input PC - HD Model 5. Video resolutions 2D5.1. Component Input Y, CB/PB, CR/PR 5.3. RGB Input PC - FHD Model5.3. HDMI InputPC/DTV PCDVI2. Designation ADJUSTMENT INSTRUCTION1. Application Range 3. Main PCB check process3.2. EDID Download After downloading, have to adjust Tool Option again3.1. ADC Process 3.3. EDID data4.1. White Balance adjustment 4. Total Assembly line process3.4 Function Check 6.1. Signal Table 5. GND and HI-POT Test6. Model name & Serial number D/L 4.5. Outgoing condition Configuration7.1. Communication Prot connection 7. CI+ key download6.3. Method & notice 7.2. CI+ Key Download8.1. External speaker8OHM, 1W, Single-End 8. Check Commercial Features8.2. IR OUT 1. Check the booting Voltage TROUBLE SHOOTING GUIDE2. Digital TV Video 3. Analog TV Video 4. AV Video5. RGB Video 6. HDMI Video7. Audio of All iput 8. TV Audio9. AV Audio 10. RGB AudioS7LR2 LGE211A-T8 BLOCK DIAGRAMTuner DVB- T/C EXPLODED VIEW 2012 . 11 2013 S7LR2Copyright 2013 LG Electronics. Inc. All rights reserved VDDC SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS Normal+1.5VDDR FROM LIPS & POWER B/DPowerDET +3.3VNormal780 mAIC501 NTP-7500LTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION CONTROL IR & LED30Pin LVDS Connector LVDS51Pin LVDS Connector For FHD 60Hz FOR FHD REVERSE10bit Change in S7LRHDMI2 HDMI EEPROMHDMI1 For CECRS232C RS - 232CSIDE USB HEADPHONERGB PC PC AUDIODDR13331GHYNIX S7LRDIVXMS10DDR256 EAN61828901SFLASH S c a r t REAR COMPONENT PHONE JACKF u l l SCART AUDIO MUTEEXTSPK EXTSPEAKERAMPSPEAKER OUT JACK IC1800Option name of this page CI SLOT because of Hong Kong CI POWER ENABLE CONTROLCI Region PCMCITU2603 GP4RGLOBALTUNERBLOCKTU2602 TDSS-G101D