Руководство по эксплуатации LG Electronics LG - Life's Good Flat Panel Television 55LA790V/W/9-ZA

Руководство по эксплуатации для устройства LG Electronics LG - Life's Good Flat Panel Television 55LA790V/W/9-ZA

Устройство: LG Electronics LG - Life's Good Flat Panel Television 55LA790V/W/9-ZA
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Руководство по эксплуатации LG Electronics LG - Life's Good Flat Panel Television 55LA790V/W/9-ZA
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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 : LD34D
MODEL: 55LA790V/W/9 55LA790V/W/9-ZA
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67733208 (1304-REV00) Printed in Korea

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CONTENTS CONTENTS .............................................................................................. 2 SAFETY PRECAUTIONS ........................................................................ 3 SERVICING PRECAUTIONS .................................................................... 4 SPECIFICATION ....................................................................................... 6 ADJUSTMENT INSTRUCTION .............................................................. 13 EXP

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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

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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

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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

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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 LD34D 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

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No. Item Specification Remarks 2 Broadcasting system 1) PAL-BG/DK/I/I’ 2) SECAM L/L’, DK, BG, I 3) DVB-T/T2, C, S/S2 1 ) Digital TV - VHF, UHF - C-Band, Ku-Band 2) Analogue TV 3 Program coverage -VHF : E2 to E12 -UHF : E21 to E69 -CATV : S1 to S20 -HYPER : S21 to S47 ► 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

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5. External input format 5.1. 2D Mode (1) Component input(Y, CB/PB, CR/PR) No. Resolution H-freq(kHz) V-freq(Hz) 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 576i 6. 720×576 31.25 50.00 SDTV 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. 1920×108

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5.2. 3D Mode (1) RF Input(3D supported mode manually) No. Resolution Proposed 3D input proposed mode 1080I 1 HD - DTV 720P 2D to 3D 576P Side by Side(Half) 2 SD - DTV 576I Top & Bottom 3 SD - ATV(CVBS/SCART) (2) RF Input(3D supported mode automatically) No. Signal 3D input proposed mode Side by Side(Half), 1 Frame Compatible Top & Bottom (3) HDMI 1.3 (3D supported mode manually) No Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed 3D input proposed mode 1 720*480 31.5 60 27.03 SDTV 48

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(4) HDMI 1.4b (3D supported mode automatically) No. Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) VIC 3D input proposed mode Proposed Top-and-Bottom Secondary(SDTV 480P) 1 31.469 / 31.5 59.94/ 60 25.125/25.2 1 Side-by-side(half) Secondary(SDTV 480P) 640*480 Frame packing Secondary(SDTV 480P) 2 62.938/63 59.94/ 60 50.35/50.4 1 Line alternative (SDTV 480P) 3 31.469 / 31.5 59.94/ 60 50.35/50.4 1 Side-by-side(Full) (SDTV 480P) Top-and-Bottom Secondary(SDTV 480P) 4 31.469 / 31.5 59.94 / 60 27.0

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(5) HDMI-PC Input (3D) (3D supported mode manually) No. Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) 3D input proposed mode Proposed 2D to 3D, Side by Side(half) 1 1024*768 48.36 60 65 HDTV 768P Top & Bottom 2D to 3D, Side by Side(half) 2 1360*768 47.71 60 85.5 HDTV 768P Top & Bottom 2D to 3D, Side by Side(half) Top & Bottom, Checker Board, 3 1920*1080 67.500 60 148.50 Single Frame Sequential, HDTV 1080P Row Interleaving, Column Interleaving 640*350 720*400 4 Others - - - 2D to 3D 640*480

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(7) USB, DLNA – Movie (3D) (3D supported mode manually) No. Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) 3D input proposed mode 1 Under 704x480 2D to 3D Over 704x480 2 2D to 3D, Side by Side(Half), Top & Bottom interlaced 2D to 3D, Side by Side(Half), Top & Bottom, Checker Board, 3 50 / 60 Row Interleaving, Column Interleaving, Frame Sequential Over 704x480 progressive 2D to 3D, Side by Side(Half), Top & Bottom, Checker Board, 4 others Row Interleaving, Column Interleaving (8) USB, DL

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ADJUSTMENT INSTRUCTION 3.1.3. Adjustment 1. Application Range (1) Adjustment method This specification sheet is applied to all of the LED TV with - U sing RS-232, adjust items in the other shown in LD34D chassis. "3.1.3.3)" (2) Adj. protocol 2. Designation Protocol Command Set ACK (1) Because this is not a hot chassis, it is not necessary to Enter adj. mode aa 00 00 a 00 OK00x use an isolation transformer. However, the use of isolation xb 00 04 b 00 OK04x (Adjust 480i, 1080p Comp1 ) Source c

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3.3. LAN Inspection 3.4. LAN PORT INSPECTION(PING TEST) Connect SET → LAN port == PC → LAN Port 3.3.1. Equipment & Condition ▪ Each other connection to LAN Port of IP Hub and Jig SET PC 3.4.1. Equipment setting (1) Play the LAN Port Test PROGRAM. (2) Input IP set up for an inspection to Test Program. *IP Number : 12.12.2.2 3.4.2. LAN PORT inspection(PING TEST) (1) Play the LAN Port Test Program. (2) Connect each other LAN Port Jack. 3.3.2. LAN inspection solution (3) Play Test (F9) button and co

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* Manual Download (Model Name and Serial Number) 3.6.2. Check the method of CI+ key value(RS232) If the TV set is downloaded by OTA or service man, sometimes 1) Into the main ass’y mode(RS232: aa 00 00) model name or serial number is initialized.(Not always) CMD 1 CMD 2 Data 0 It is impossible to download by bar code scan, so It need A A 0 0 Manual download. 1) Press the "Instart" key of Adjustment remote control. 2) Go to the menu "7.Model Number D/L" like below photo. 2) Check the mothed of

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ⓓ Model Name(Hex): LGTV 4. Manual Adjustment Cf) TV set’s model name in EDID data is below. * ADC adjustment is not needed because of OTP(Auto ADC MODEL NAME MODEL NAME(HEX) adjustment) LG TV 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 (LG TV) 4.1. E DID(The Extended Display Identification ⓔ Checksum(LG TV): Changeable by total EDID data. Data)/DDC(Display Data Channel) download FHD 4.1.1. Overview EDID C/S data HDMI It is a VESA regulation. A PC or a MNT will display an optimal Bl

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# HDMI 3(C/S : E8 61) 4.2.2. Equipment EDID Block 0, Bytes 0-127 [00H-7FH] (1) Color Analyzer: CA-210 (LED Module : CH 14) 0 0 1 2 3 4 5 6 7 8 9 A B C D E F (2) Adjustment Computer(During auto adj., RS-232C protocol 00 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 is needed) 10 01 17 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26 (3) Adjustment Remote control 20 0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80 (4) Video Signal Generator MSPG-925F 720p/216-Gray 30 01 01 01 01 01 01 02 3A 80 18

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▪ Adj. Map * CASE Cool First adjust the coordinate far away from the target Command Data Range Default Adj. item (lower caseASCII) (Hex.) (Decimal) value(x, y). CMD1 CMD2 MIN MAX 1. x, y > target i) Decrease the R, G. R Gain j g 00 C0 2. x, y < target G Gain j h 00 C0 i) First decrease the B gain, B Gain j i 00 C0 Cool 3. x > target, y < target R Cut i) First decrease B, so make y a little more than the target. G Cut ii) Adjust x value by decreasing the R B Cut 4. x < target, y > t

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▪ Standard color coordinate and temperature using CA-210(CH 18) 4.3. Local Dimming Function Check Coordinate Step 1) Turn on TV. Mode Temp ∆uv Step 2) At the Local Dimming mode, module Edge Backlight x y moving right to left Back light of IOP module moving. Cool 0.271±0.002 0.270±0.002 13000K 0.0000 Step 3) Confirm the Local Dimming mode. Medium 0.285±0.002 0.293±0.002 9300K 0.0000 Step 4) Press "exit" key. Warm 0.310±0.002 0.325±0.002 6500K 0.0000 4.2.7. EDGE LED White balance table (1) E

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4.6. Wi-Fi Test 4.8. Inspection of light scattering Step 1) Turn on TV ▪ Test Method Step 2) Select Network Connection option in Network Menu. Step 3) Select Start Connection button in Network Connection. (1) Push “Power only” key. (2) Push “HDMI” hot key. (3) Inspect whether light scattering is occurred in internal black pattern or not. (4) Push “Power only” key. 4.9. Option selection per country 4.9.1. Overview Step 4) If the system finds any AP like blow PIC, it is working - Option select


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