Instruction/ maintenance manual of the product LD84A LG Electronics
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LCD TV SER VICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS : LD84A MODEL : 32LG3000 32LG3000-ZA website:http://biz.
- 2 - LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes CONTENTS CONTENTS .............................................................................................. 2 PRODUCT SAFETY .
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 3 - SAFETY PRECAUTIONS Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by i n t h e Schematic Diagram and Replacement Parts List.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 4 - CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 5 - IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and then bent flat against the circuit foil.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 6 - SPECIFICA TION NOTE : Specifications and others are subject to change without notice for improvement .
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 7 - 5. Model general specification Item Specification Remark Market EU (PAL Ma.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 8 - 7. RGB PC INPUT Mode No Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed 1 720*400 31.468 70.08 28.321 2 640*480 31.
- 9 - LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes No Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed Remark 1 720*400 31.468 70.08 28.321 HDCP 2 640*480 31.469 59.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 10 - ADJUSTMENT INSTRUCTION 1.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 11 - * After downloading, have to adjust TOOL OPTION again. 1) Push "IN-START" key in service remote controller 2) Select "Tool Option 1" and Punch in the number.
4. T otal Assembly line process 4.1. Adjustment Preparation (1) W/B Equipment condition CA210: CH 9, Test signal: Inner pattern (85IRE) (2) Above 5 minutes H/run in the inner pattern. (“power on” key of adjust remote control) (3) 1 5 Pin D-Sub Jack is connected to the AUTO W/B EQUIPMENT.
(3) DIGITAL DATA(HDMI-2) 256Byte (4) DIGITAL DATA(HDMI-3) 256Byte 1) All Data : HEXA Value 2) Changeable Data : *: Serial No : Controlled / Data:01 **: Month : Controlled / Data:00 ***:Year : Controlled ****:Check sum 4.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 14 - TROUBLESHOOTING 1. No Power (1) Symptom 1) It is not discharged minutely from the module. 2) Light does not come into the front LED.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 15 - Yes No No Replace the Power board. Check the LCD Module. Reconnect Panel link cable. (P401 or P406 or P407) Replace the Main board.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 16 - Yes No No Yes Replace Main board.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 17 - Yes No Check the input source. If there is normal status, Replace main board. Same as Block A. Same as Block A. No Check the IC700.
- 18 - LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes Check the input source. Same as Block A. No Check the IC700. No Yes Is video input of the RGB jack normal? (Check JK703_Pin1, 2,3,13,14) No If there is normal status, Replace main board.
- 19 - LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes Yes No Set on speaker on menu. Download the EDID data. Check the Tuner in/Out. No Check th Speaker cable. No Replace IC100. No Replace IC1000.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 20 - BLOCK DIAGRAM LVDS SC2_L/R_I N Saturn3+ STMAV340 (IC700) NTP3000A (IC1000.
MEMO - 21 - LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 22 - 300 200 510 121 500 120 122 400 401 800 801 802 804 803 530 521 821 805 5.
Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only.
Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only.
Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only.
Feb., 2008 Printed in Korea P/NO : MFL41037107.
An important point after buying a device LG Electronics LD84A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought LG Electronics LD84A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data LG Electronics LD84A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, LG Electronics LD84A you will learn all the available features of the product, as well as information on its operation. The information that you get LG Electronics LD84A will certainly help you make a decision on the purchase.
If you already are a holder of LG Electronics LD84A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime LG Electronics LD84A.
However, one of the most important roles played by the user manual is to help in solving problems with LG Electronics LD84A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device LG Electronics LD84A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
