LG Electronics LG - Life's Good Flat Panel Television 60LN549E-ZE user manual

User manual for the device LG Electronics LG - Life's Good Flat Panel Television 60LN549E-ZE

Device: LG Electronics LG - Life's Good Flat Panel Television 60LN549E-ZE
Size: 8,75 MB
Date of adding : 2013-05-01 16:29:57
Number of pages: 67
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LG Electronics LG - Life's Good Flat Panel Television 60LN549E-ZE user manual
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Summary of the content on the page No. 1

Internal Use Only
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
LED TV
SERVICE MANUAL
CHASSIS : LD3AG
MODEL : 60LN549E 60LN549E-ZE
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67800112 (1309-REV00) Printed in Korea

Summary of the content on the page No. 2

CONTENTS CONTENTS .............................................................................................. 2 SAFETY PRECAUTIONS ........................................................................ 3 SERVICING PRECAUTIONS ................................................................... 4 SPECIFICATION ...................................................................................... 6 ADJUSTMENT INSTRUCTION ............................................................. 10 TRO

Summary of the content on the page No. 3

SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Exploded View. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. General Guidance Leakage Current Hot Check

Summary of the content on the page No. 4

SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service 2. After removing an electrical assembly equipped with ES manual and its supplements and addenda, read and follow the devices, place the assembly on a conductive surface such as SAFETY PRECAUTIONS on page 3 of this publication. aluminum foil, to prevent electrostatic charge buildup or expo- NOTE: If unforeseen circumstances create conflict between the sure of the assembly. following servicing precautions and any

Summary of the content on the page No. 5

IC Remove/Replacement 3. Solder the connections. Some chassis circuit boards have slotted holes (oblong) through CAUTION: Maintain original spacing between the replaced which the IC leads are inserted and then bent flat against the cir- component and adjacent components and the circuit board to cuit foil. When holes are the slotted type, the following technique prevent excessive component temperatures. should be used to remove and replace the IC. When working with boards using the familiar r

Summary of the content on the page No. 6

SPECIFICATION NOTE : Specifications and others are subject to change without notice for improvement. 1. Application range 3. Test method This specification is applied to the LED TV used LD3AG 1) Performance: LGE TV test method followed chassis. 2) Demanded other specification - Safety : CE, IEC specification - EMC : CE, IEC 2. Requirement for Test Each part is tested as below without special appointment. 1) Temperature: 25 °C ± 5 °C(77 °F ± 9 °F), CST: 40 °C ± 5 °C 2) Relative Humidity: 65 %

Summary of the content on the page No. 7

No. Item Specification Remarks Analogue TV Analogue TV : (RF) VHF: E2 to E12, UHF : E21 to E69 1) PAL-BG (CATV) S1 to S20, HYPER: S21 to S47 2) PAL-DK 3) PAL-I/I’ Digital TV : VHF, UHF 2 Broadcasting system 4) SECAM L/L’ Digital TV Satellite TV : VHF, UHF, C-Band, Ku-Band 1) DVB-T/C/T2 Satellite Digital TV * DVB-T2 (T2 model only support ) 1) DVB-T/C/S/S2 * DVB-S/S2 (Satellite model only support ) ► DVB-T - Guard Interval (Bitrate_Mbit/s) 1/4, 1/8, 1/16, 1/32 - Modulation

Summary of the content on the page No. 8

5. Supported video resolutions (2D) 5.1. Component Input (Y, CB/PB, CR/PR) No. Resolution H-freq(kHz) V-freq(Hz) Pixel clock(MHz) Proposed 1 720*576 15.625 50.00 13.5 SDTV ,DVD 576I 2 720*480 15.73 60.00 13.5135 SDTV ,DVD 480I 3 720*480 15.73 59.94 13.50 SDTV ,DVD 480I 4 720*576 31.25 50.00 27.00 SDTV 576P 5 720*480 31.50 60.00 27.027 SDTV 480P 6 720*480 31.47 59.94 27.00 SDTV 480P 7 1280*720 37.50 50.00 74.25 HDTV 720P 8 1280*720 45.00 60.00 74.25 HDTV 720P 9 1280*720 44.96 59.94 74.176 HDTV 72

Summary of the content on the page No. 9

5.3. HDMI Input(PC/DTV) No. Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed Remark PC(DVI) DDC 1 640*350 31.468 70.09 25.17 EGA X 2 720*400 31.469 70.08 28.32 DOS O 3 640*480 31.469 59.94 25.17 VESA(VGA) O 4 800*600 37.879 60.31 40.00 VESA(SVGA) O 5 1024*768 48.363 60.00 65.00 VESA(XGA) O 6 1152*864 54.348 60.053 80.00 VESA O 7 1360*768 47.712 60.015 85.50 VESA (WXGA) O 8 1280*1024 63.981 60.020 108.0 VESA (SXGA) O 9 1920*1080 67.50 60.00 148.5 HDTV 1080P O DTV 1 720*480 31.47 59.94

Summary of the content on the page No. 10

ADJUSTMENT INSTRUCTION (4) Click "Connect" tab. If "Can't" is displayed, check connection 1. Application Range between computer, jig, and set. This specification sheet is applied to all of the LED TV with LD3AG chassis. (2) (3) 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 Un

Summary of the content on the page No. 11

3.1. ADC Process 4. Total Assembly line process (1) ADC 4.1. Adjustment Preparation - Enter Service Mode by pushing "ADJ" key, ▪ W/B Equipment condition - Enter Internal ADC mode by pushing "►" key at "8. ADC ca210 : LED -> CH14, Test signal: Inner pattern(80IRE) Calibration". ▪ Above 5 minutes H/run in the inner pattern. (“power on” key EZ ADJUST ADC Calibration of adjust remote control) 0. Tool Option1 ADC Comp 480i NG ▪ If it is executed W/B adjustment in 2~3 minutes H/run, it is 1. Too

Summary of the content on the page No. 12

* Auto-control interface and directions 4.2. DPM operation confirmation (1) Adjust in the place where the influx of light like floodlight (Only Apply for MNT Model) around is blocked. (illumination is less than 10 lux). Check if Power LED Color and Power Consumption operate as (2) Adhere closely the Color analyzer(CA210) to the module standard. less than 10 cm distance, keep it with the surface of the ■ Set Input to RGB and connect D-sub cable to set Module and Color analyzer's prove v

Summary of the content on the page No. 13

(5) Detail EDID Options are below 4.5.2. Manual Download a. Product ID (1) Use the proper signal cable for EDID Download MODEL NAME HEX EDID Table DDC Function - Analog EDID : Pin3 exists HD/FHD Model 0001 01 00 Analog/Digital - Digital EDID : Pin3 exists b. Serial No: Controlled on production line. (2) Never connect HDMI & D-sub Cable at the same time. c. Month, Year: (3) Use the proper cables below for EDID Writing. Week : '01' -> '01', Year : '2012' -> '16' fix (4) Downloa

Summary of the content on the page No. 14

4) Check the model name Instart menu. → Factory name displayed. 5. Model name & Serial number D/L (ex 42LD450-ZA) ▪ Press "Power on" key of service remote control. 5) Check the Diagnostics.(DTV country only) → Buyer model (Baud rate : 115200 bps) displayed.(ex 42LD450) ▪ Connect RS232 Signal Cable to RS-232 Jack. ▪ Write Serial number by use RS-232. ▪ M ust check the serial number at the Diagnostics of SET UP menu. (Refer to below). 5.1. Signal Table CMD LENGTH ADH ADL DATA_1 . . . Data_n C

Summary of the content on the page No. 15

2. Check the method of CI+ key value (RS232) 6. CI+ Key Download method 1) Into the main ass’y mode (RS232 : aa 00 00) 6.1. Download Procedure CMD 1 CMD 2 Data 0 (1) Press "Power on" key of a service Remote control. A A 0 0 (Baud rate : 115200 bps) (2) Connect RS232-C Signal Cable. 2) Check the mothed of CI+ key by command (3) Write CI+ Key through RS-232-C. (RS232 : ci 00 20) (4) Check whether the key was downloaded or not at ‘In Start’ CMD 1 CMD 2 Data 0 menu. (Refer to below). C I

Summary of the content on the page No. 16

(8) Check displayed image status(color, size) when TV is 7.3. USB Cloning Function check turning on. ● CASE 1. Clock LED Model Please use this image for test. (9) Try this inspection with various resolution images. * Must Restore to LG Logo. (10) Press “MENU” key. (11) Move cursor to OPTION and press “7” key 7 times. (12) Select accurate CPU S/W file and check “LOGO Image” button. (Press yellow color key on Remote Control.) (13) Check LG Logo operation when TV is tu

Summary of the content on the page No. 17

● CASE 2. No Clock LED Model 7.4. Check Commercial features concerning Output.(IR Out/SPK Out/External Clock) Model Info Commercial Feature Name IR Out External Speaker out External Clock LN549E-ZA O O X 7.4.1. External SPK Out and Volume control (1) Connect external speaker to speaker out port with phone jack on TV side as below. (2) Check the Max. speaker output is 1W or not. Sine wave with 1KHz will be displayed. (3) Press Vol. control button up/down in turns and check the waveform of

Summary of the content on the page No. 18

7.4.3. External Clock < Equipment & Condition > ▪ Simple Jig (External Clock Assy) ▪ Power only mode (1) Connect external Clock Assy to CLOCK INTERFACE. (2) Check the LED CLOCK. Check LED Clock in Power on mode. * After finishing 7.1 ~ 7.4 inspections, press “IN STOP” key. Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only - 18 - Only for training and service purposes

Summary of the content on the page No. 19

TROUBLESHOOTING GUIDE 1. Check the booting Voltage No No No Make sure the Stand-by Voltage. Make sure the Power Make sure the disconnection of Exchange the P401 3, 5pin : +3.5V_ST Connector. Main board 3.5V circuit. Circuit board. Yes No Make sure the Micom voltage. Exchange the L301. L301 : +3.5V_ST Yes No Make sure the CLK of X300 Exchange the X300. Is 10MHz. Yes No No Push Micom Reset(SW300) and Re-download of Exchange the Mstar(IC101) make sure the PWR_ON Firmware. Or Main board P401 1pin

Summary of the content on the page No. 20

2. Digital TV Video Check the Stand-by Voltage P401 3, 5pin : +3.5V_ST Yes No Check the Tuner 3.3V Exchange the L2606. ; L2606 Yes No Check the Tuner 1.8V. Exchange the IC2603. IC2603 2pin : 1.8V Yes No Check the IF_P/N signal Exchange the Tuner. TU2601~3 10/11pin Yes No Check the LVDS output signal of Exchange the Mstar(IC101) Mstar IC. or Main board. 3. Analog TV Video Check the RF cable and RF signal. Yes No Check the Tuner 3.3V Exchange the L2606. ; L2606 Yes No Check the Tuner 1.8V. Exch


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