LG Electronics 42CS669C-ZD 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 LCD TV with LD0AW 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 ºC ± 5 ºC

Relative humidity : 65 % ± 10 %

Input voltage : 220 V, 60 Hz

6)Adjustment equipments: Color Analyzer (CA-210 or CA- 110), Pattern Generator(MSPG-925L or Equivalent), DDC Adjustment Jig equipment, 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)(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(*.epk file download)

1)Put the USB Stick to the USB socket.

2)Automatically detecting update file in USB Stick

-If version of update file in USB Stick is Lower, it didn’t work. But version of update file is Higher, USB data is automatically detecting.

3)Show the message “Copying files from memory”

(4) Updating is starting.

(5)After updating is complete, the TV will restart automatically.

(6)If TV turns on, check your updated version and Tool option. (refer to the next page about tool option)

*If downloading version is higher 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 ©2012 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 SERVICE MANUAL CHASSIS LD0AWREAD THE SAFETY PRECAUTIONS IN THIS MANUAL http//aic.lgservice.comCONTENTS CONTENTSPRODUCT SAFETY SPECIFICATIONIMPORTANT SAFETY NOTICE SAFETY PRECAUTIONSGeneral Guidance Before returning the receiver to the customerElectrostatically Sensitive ES Devices SERVICING PRECAUTIONSReplacement IC Remove/ReplacementSmall-Signal Discrete Transistor Removal/Replacement Power Output, Transistor Device Removal/Replacement4. Model General Specification SPECIFICATION1. Application range 3. Test method6. RGB Input PC 5. Component Video Input Y, CB/PB, CR/PR7. HDMI Input PC/DTV 1 DTV Mode2 PC Mode 1. Application Range ADJUSTMENT INSTRUCTION2. Designation 3. Main PCB check process3.2. EDID Download 3.1. ADC Process3.3. EDID data After downloading, have to adjust Tool Option again4.1. Adjustment Preparation 4. Total Assembly line process3.4. Function Check Manual W/B process using adjusts Remote control6.1. Signal TABLE 4.3. Outgoing condition Configuration6.2. Command Set 5. GND and HI-POT Test7. CI+ Key Download method TROUBLESHOOTING 1. Power-up boot checkNo No No No No 2. Digital TV Video 3. Analog TV VideoNo No No No 5. Component Video 4. AV VideoNo No No ok No7. RGB Video 6. SCART VideoCheck HDMI Cable conductors for damage or open conductor 8. HDMI Video9. All Source Audio 11. Analog TV Audio 10. Digital TV Audio12. AV Audio 13. Component/ SCART Audio14. RGB Audio BLOCK DIAGRAMSide RearEXPLODED VIEW GP3S7LR Only for training and service purposesCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyVDDC Normal PowerNormal DDR3PowerDET FROM LIPS & POWER B/D+3.3VNormal +1.5VDDRCONTROL IR & LED IC1450 USBDIODESHDMI1 HDMI EEPROMSIDEHDMI GP3S7LR20110324 HDMI8RGB/SPDIF/PC/HP New Item DevelopmentGP3S7LR RS232C9PIN RS232CTHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES DDR3 1.5V By CAP - Place these Caps near Memory GP3S7LR DDR256IC1201-*1 K4B1G1646G-BCH9IC1401-*1 GP3S7LR SFLASH20110511 GP3S7LRTUNERL GP4RGLOBALTUNERBLOCKIC501 NTP-7400L GP3S7LR NTP7400GP3S7LR REAR JACK Full Scart/ Comp1SIDE COMPONENT PHONE JACK New Item Developmen Option name of this page CISLOT because of Hong Kong CI RegionGP3S7LR PCMCI 10067972-0500LFSMD GAS GASKETGP3 S7LR 20110324