Instruction d'utilisation LG Electronics LG - Life's Good Flat Panel Television 32LM640S/640T-ZA

Instruction d'utilisation pour le dispositif LG Electronics LG - Life's Good Flat Panel Television 32LM640S/640T-ZA

Dispositif: LG Electronics LG - Life's Good Flat Panel Television 32LM640S/640T-ZA
Dimension: 10,72 MB
Date d'addition: 2014-02-07 16:28:14
Nombre des pages: 118
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Instruction d'utilisation LG Electronics LG - Life's Good Flat Panel Television 32LM640S/640T-ZA
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Résumés du contenu
Résumé du contenu de la page N° 1

Internal Use Only
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
LED LCD TV
SERVICE MANUAL
CHASSIS : LD22E
MODEL : 32LM640S/640T
MODEL : 32LM640S/640T-ZA
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67360924 (1207-REV00) Printed in Korea

Résumé du contenu de la page N° 2

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

Résumé du contenu de la page N° 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

Résumé du contenu de la page N° 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

Résumé du contenu de la page N° 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

Résumé du contenu de la page N° 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 LCD TV used LD22E 1) Performance: LGE TV test method followed chassis. 2) Demanded other specification - Safety : CE, IEC specification - EMC : CE, IEC 2. Requirement for Test - Wireless : Wireless HD Specification (Option) Each part is tested as below without special appointment. 1) Temperature: 25 °C ± 5 °C(77 °F ± 9 °F

Résumé du contenu de la page N° 7

No. Item Specification Remarks 1) PAL-BG DVB-S: Satellite 2) PAL-DK 3) PAL-I/I’ 4) SECAM L/L’, DK, BG, I 2 Broadcasting system 5) DVB-T 6) DVB-C 7) DVB-T2 8) DVB-S ► DVB-T - Guard Interval(Bitrate_Mbit/s) 1/4, 1/8, 1/16, 1/32 - Modulation : Code Rate QPSK : 1/2, 2/3, 3/4, 5/6, 7/8 16-QAM : 1/2, 2/3, 3/4, 5/6, 7/8 64-QAM : 1/2, 2/3, 3/4, 5/6, 7/8 ► DVB-T2 - Guard Interval(Bitrate_Mbit/s) 1/4, 1/8, 1/16, 1/32, 1/128, 19/128, 19/256, - Modulation : Code Rate QPSK : 1/2, 2/5, 2/3, 3/4

Résumé du contenu de la page N° 8

5. Component Video Input (Y, Cb/Pb, Cr/Pr) No. Resolution H-freq(kHz) V-freq(Hz) Porposed 1 720×480 15.73 60.00 SDTV, DVD 480i 2 720×480 15.63 59.94 SDTV, DVD 480i 3 720×480 31.47 59.94 480p 4 720×480 31.50 60.00 480p 5 720×576 15.625 50.00 SDTV, DVD 625 Line 6 720×576 31.25 50.00 HDTV 576p 7 1280×720 45.00 50.00 HDTV 720p 8 1280×720 44.96 59.94 HDTV 720p 9 1280×720 45.00 60.00 HDTV 720p 10 1920×1080 31.25 50.00 HDTV 1080i 11 1920×1080 33.75 60.00 HDTV 1080i 12 1920×1080 33.72 59.94 HDTV 1080i 1

Résumé du contenu de la page N° 9

7. HDMI Input 7.1. DTV mode No. Resolution H-freq(kHz) V-freq.(kHz) Proposed 1. 640*480 31.469 / 31.5 59.94/60 SDTV 480P 2. 720*480 31.469 / 31.5 59.94 / 60 SDTV 480P 3. 720*576 31.25 50 SDTV 576P 4. 720*576 15.625 50 SDTV 576I 5. 1280*720 37.500 50 HDTV 720P 6. 1280*720 44.96 / 45 59.94 / 60 HDTV 720P 7. 1920*1080 33.72 / 33.75 59.94 / 60 HDTV 1080I 8. 1920*1080 28.125 50.00 HDTV 1080I 9. 1920*1080 26.97 / 27 23.97 / 24 HDTV 1080P 10. 1920*1080 25 HDTV 1080P 11. 1920*1080 33.716 / 33.75 29.976

Résumé du contenu de la page N° 10

ADJUSTMENT INSTRUCTION 3.1.3. Adjustment 1. Application Range (1) Adjustment method This specification sheet is applied to all of the LED LCD TV ▪ Don’t need to adjust ADC because there is data in OTP with LD22E chassis. and adjusted initially. ▪ Check ADC adjustment 1) Press In start key on the Adj. Remote Control, then 2. Designation Adjust ADC(OTP) status is displayed on “1.Adjustment (1) B ecause this is not a hot chassis, it is not necessary to check”. Select “2.ADC Data”, then ADC d

Résumé du contenu de la page N° 11

3.3.3. WIDEVINE key Inspection 3.2. MAC address D/L, CI+ key D/L, Widevine - Confirm key input data at the "IN START" MENU Mode. key D/L, ESN D/L Connect: USB port Communication Prot connection ▪ Com 1,2,3,4 and 115200(Baudrate) Mode check: Online Only ▪ check the test process: DETECT -> MAC -> CI -> Widevine -> ESN ▪. Play: START ▪. Result: Ready, Test, OK or NG ▪. Printer Out (MAC Address Label) 3.4. LAN PORT INSPECTION(PING TEST) Connect SET → LAN port == PC → LAN Port SET PC 3.4.1. Equip

Résumé du contenu de la page N° 12

2) Check the key download for transmitted command 3.5. Model name & Serial number Download (RS232: ci 00 10) 3.5.1. Model name & Serial number D/L CMD 1 CMD 2 Data 0 ▪ Press "Power on" key of service remote control. (Baud rate : 115200 bps) C I 1 0 ▪ Connect RS232 Signal Cable to RS-232 Jack. ▪ Write Serial number by use RS-232. 3) Result value ▪ Must check the serial number at Instart menu. - Normally status for download : OKx - Abnormally status for download : NGx 3.5.2. Method & notice (1

Résumé du contenu de la page N° 13

▪ Reference 4. Manual Adjustment - HDMI1 ~ HDMI4 / RGB * ADC adjustment is not needed because of OTP(Auto ADC - In the data of EDID, bellows may be different by S/W or adjustment) Input mode. ⓐ. Product ID 4.1 E DID(The Extended Display Identification HEX EDID Table DDC Function Data)/DDC(Display Data Channel) download 0001 01 00 Analog/Digital 4.1.1. Overview ⓑ. Serial No: Controlled on production line. It is a VESA regulation. A PC or a MNT will display an optimal ⓒ. Month, Year: Contr

Résumé du contenu de la page N° 14

Ex) wb 00 00 -> Begin white balance auto-adj. 4.2. White Balance Adjustment wb 00 10 -> Gain adj. 4.2.1. Overview ja 00 ff -> Adj. data ▪ W/B adj. Objective & How-it-works jb 00 c0 (1) Objective: To reduce each Panel's W/B deviation ... (2) How-it-works : When R/G/B gain in the OSD is at 192, it ... means the panel is at its Full Dynamic Range. In order to wb 00 1f → Gain adj. completed prevent saturation of Full Dynamic range and data, one *(wb 00 20(Start), wb 00 2f(en

Résumé du contenu de la page N° 15

▪ Adjustment condition and cautionary items 4.3. EYE-Q function check 1) Lighting condition in surrounding area (1) Turn on TV. Surrounding lighting should be lower 10 lux. Try to (2) Press EYE key of Adjustment remote control. isolate adj. area into dark surrounding. (3) Cover the Eye Q II sensor on the front of the using your 2) Probe location hand and wait for 6 seconds. : Color Analyzer(CA-210) probe should be within 10 cm (4) Confirm that R/G/B value is lower than 10 of the "Raw and

Résumé du contenu de la page N° 16

Step 4) If the system finds any AP like blow PIC, it is working 4.6. 3D function test well. (Pattern Generator MSHG-600, MSPG-6100[Support HDMI1.4]) * HDMI mode NO. 872 , pattern No.83 (1) Please input 3D test pattern like below . (2) When 3D OSD appear automatically, then select OK key. 4.8. LNB voltage and 22KHz tone check (only for DVB-S/S2 model) ▪ Test method (1) Set TV in Adj. mode using POWER ON. (2) Connect cable between satellite ANT and test JIG. (3) Don't wear a 3D Glasses, check th

Résumé du contenu de la page N° 17

4.12. GND and Internal Pressure check 6. USB S/W Download(Service only) (1) Put the USB Stick to the USB socket. 4.12.1. Method (1) GND & Internal Pressure auto-check preparation (2) Automatically detecting update file in USB Stick. - Check that Power cord is fully inserted to the SET . - If your downloaded program version in USB Stick is Low, (If loose, re-insert) it didn't work. But your downloaded version is High, USB data is automatically detecting. (2) Perform GND & Internal Pressure a

Résumé du contenu de la page N° 18

BLOCK DIAGRAM Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only - 18 - Only for training and service purposes SYSTEM SYSTEM DDR3 X DDR3 X X_TAL 1600 X 1600 X 27MHz ANALOG Air/ 16 16 SYSTEM DEMOD Cable (2Gb) (2Gb) DDR3 X TUNER (T/C) 1600 X 16 P_TS DIGITAL P_TS (2Gb) DEMOD (T/C) IF(+/-) DDR T/C Demod SYSTEM CONTROLER A/B CVBS DDR3 X CVBS DIGITAL DVB-S TUNER 1600 X 16 DEMOD P_TS (S2) (S2) TS_S/P (2Gb) USB1 USB2 SYSTEM EEPROM X 1 USB USB3 (256Kb)

Résumé du contenu de la page N° 19

EXPLODED VIEW 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 X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright © LG Electronics. In

Résumé du contenu de la page N° 20

EAX6430790* : LD22* / LC22* EAX6443420* : LT22* / LJ22* / LA22* / LB22* Crystal Matching Test result : 27pF -> 20pF -> 24pF IC104-*1 IC104-*2 M24256-BRMN6TP R1EX24256BSAS0A X-TAL +3.3V_NORMAL +3.3V_NORMAL X100 E0 VCC A0 VCC IC +3.3V_NORMAL 1 8 1 8 NVRAM 27MHz R119 E1 WC A1 WP 2 7 2 7 MT5369_XTAL_IN MT5369_XTAL_OUT E2 SCL A2 SCL C115 0 3 6 3 6 C113 24pF 24pF Close to eMMC Flash +3.3V_NORMAL VSS SDA VSS SDA R103 R105 IC104 4 5 4 5 MTK_JTAG AT24C256C-SSHL-T MTK_JTAG (IC8100) 4.7K 4.7K AR100 R146 R1


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