LG Electronics LG - Life's Good Flat Panel Television 37LN54**-Z* user manual

User manual for the device LG Electronics LG - Life's Good Flat Panel Television 37LN54**-Z*

Device: LG Electronics LG - Life's Good Flat Panel Television 37LN54**-Z*
Size: 8,84 MB
Date of adding : 2014-02-12 16:29:16
Number of pages: 76
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LG Electronics LG - Life's Good Flat Panel Television 37LN54**-Z* 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 : LD31B/LD36B
MODEL : 37LN54** 37LN54**-Z*
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67651303 (1301-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 BLO

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 LCD TV used LD31B/ 1) Performance: LGE TV test method followed LD36B 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 Humidit

Summary of the content on the page No. 7

No. Item Specification Remarks Analogue TV 1) PAL-BG Analogue TV : (RF) VHF: E2 to E12, UHF : E21 to E69 2) PAL-DK (CATV) S1 to S20, HYPER: S21 to S47 3) PAL-I/I’ 4) SECAM-BG Digital TV : VHF, UHF 5) SECAM-DK 2 Broadcasting system 6) SECAM L/L’ Satellite TV : VHF, UHF, C-Band, Ku-Band Digital TV 1) DVB-T/C/T2 * DVB-T2 ( T2 model only support ) * DVB-S/S2 (Satellite model only support ) Satellite Digital TV 1) DVB-T/C/S/S2 ► DVB-T - Guard Interval(Bitrate_Mbit/s) 1/4, 1/8, 1/16, 1/32 - Modulati

Summary of the content on the page No. 8

5. 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 720P 10 1920

Summary of the content on the page No. 9

6. Video resolutions (3D) 6.1. HDMI Input No. Resolution H-freq(kHz) V-freq(Hz) Pixel clock(MHz) Proposed 3D input proposed mode 1. 1920*1080 53.95 / 54 23.98 / 24 148.35/148.5 HDTV 1080P Frame packing 2. 1280*720 89.9 / 90 59.94/60 148.35/148.5 HDTV 720P Frame packing 3. 1280*720 75 50 148.5 HDTV 720P Frame packing 4 1920*1080 67.5 60 148.5 HDTV 1080P Side by Side(half), Top and bottom 5 1920*1080 56.3 50 148.5 HDTV 1080P Side by Side(half), Top and bottom 6 1280*720 45 60 74.25 HDTV 720P Side

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 LCD TV with LD31B/ LD36B 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 si

Summary of the content on the page No. 11

* After downloading, have to adjust Tool Option again. 3.3. EDID data (1) Push "IN-START" key in service remote control. (1) HD HDMI EDID data(2D Model) (2) Select "Tool Option 1" and push "OK" key. 0 1 2 3 4 5 6 7 8 9 A B C D E F (3) Punch in the number. (Each model has their number) 00 00 FF FF FF FF FF FF 00 1E 6D a b 10 c 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26 (4) Completed selecting Tool option. 20 0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 01 01 30 01 01 01 01 01 01 66 21 50 B0 51 00 1B

Summary of the content on the page No. 12

* Auto-control interface and directions 4. Total Assembly line process (1) Adjust in the place where the influx of light like floodlight 4.1. White Balance adjustment around is blocked. (illumination is less than 10 lux). ▪ W/B Equipment condition (2) Adhere closely the Color analyzer(CA210) to the module CA210 : LED -> CH14, Test signal: Inner pattern(80IRE) less than 10 cm distance, keep it with the surface of the ▪ Above 5 minutes H/run in the inner pattern. (“power on” key Module and

Summary of the content on the page No. 13

How to adjust (3) Don't wear a 3D Glasses, Check the picture like below . 1) In case G gain more than 172 Adjust R Gain and B Gain less than 192 2) if the G gain value be adjusted down to 172 G gain increase to 172 and R gain / B gain increase same as G gain increases. 3) if R Gain / B Gain is more than 255 , the G gain adjust to less than 172. * CASE Medium / Warm First adjust the coordinate far away from the target 4.3. IR emitter inspection value(x, y). (1) Start 3D pattern insp

Summary of the content on the page No. 14

4.5. Outgoing condition Configuration 6.2. Command Set ■ When pressing IN-STOP key by SVC remocon, Red LED Adjust mode CMD(hex) LENGTH(hex) Description are blinked alternatively. And then automatically turn off. EEPROM WRITE A0h 84h+n n-bytes Write (n = 1~16) (Must not AC power OFF during blinking) * Description FOS Default write : <7mode data> write Vtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart, 0, 5. HI-POT Test Phase Data write : Model Name and Serial Number write in EEPROM,.

Summary of the content on the page No. 15

7.2 LAN Inspection 7. MAC Address & CI+ key download 7.2.1. Equipment & Condition 7.1 MAC Address ▪ Each other connection to LAN Port of IP Hub and Jig 7.1.1 Equipment & Condition ▪ Play file : Serial.exe ▪ MAC Address edit ▪ Input Start / End MAC address 7.1.2 Download method (1) Communication Prot connection 7.2.2. LAN inspection solution ▪ LAN Port connection with PCB ▪ Network setting at MENU Mode of TV ▪ Setting automatic IP Connection : PCBA (USB Port) → USB to Serial Adapter ▪ Setting

Summary of the content on the page No. 16

BLOCK DIAGRAM 1. [LD31B] DVB-T/C/S2(2D/3D) CI Slot Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only - 16 - Only for training and service purposes LVDS X-tal FPC(51P) 24M (FHD/50Hz) AIR/Cable AIF, DIF TDSQ-G501D(B) SIF SERIAL FLASH SPI IC1300 (8M bit) (LGIT) MX25L8005M2I Seattleite FE_TS DDR3 1Gb DDR3 2Gb DDR3 Add. DDR3 1Gb IC1202 IC1201 IC1201 DDR3 Data H5TQ1G63EFR -PBC H5TQ2G63DFR -PBC LNB H5TQ1G63EFR -PBC LNB OUT A8303SESTR -T EEPROM 256Kbit I2C (IC2701) 2D

Summary of the content on the page No. 17

2. [LD31B] DVB-T2/C/S2(2D_3D) CI Slot Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only - 17 - Only for training and service purposes LVDS X-tal FPC(51P) (FHD/50Hz) 24M AIR/Cable ATV_Video (Analog) TDSQ-G601D(B) SERIAL FLASH ATV_SIF (Analog) SPI IC1300 (8M bit) (LGIT) MX25L8005M2I Seattleite FE_TS DDR3 1Gb DDR3 2Gb DDR3 Add. DDR3 1Gb IC1202 IC1201 IC1201 DDR3 Data H5TQ1G63EFR -PBC H5TQ2G63DFR -PBC LNB H5TQ1G63EFR -PBC LNB OUT A8303SESTR -T EEPROM 256Kbit I2C (IC2

Summary of the content on the page No. 18

3. [LD36B] DVB-T/C(2D) CI Slot Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only - 18 - Only for training and service purposes LVDS X-tal FPC(51P/30P) 24M (FHD/HD/50Hz) AIR/Cable TDSS- AIF, DIF SERIAL FLASH G501D(B) SPI IC1300 (8M bit) SIF MX25L8005M2I (LGIT) DDR3 Add. DDR3 2Gb IC1201 DDR3 Data H5TQ2G63DFR -PBC I2C EEPROM 256Kbit CVBS, Y/Pb/Pr, L/R IC104 Component1 R1EX2425BSAS0A FE_ VOUT NAND FLASH F-SCART IC102 (1Gbit) SC1_CVBS_IN K9F1G08U0D -SCB0 SC1_R/G/B S7L

Summary of the content on the page No. 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

Summary of the content on the page No. 20

IC102 K9F1G08U0D-SCB0 NAND FLASH MEMORY +3.3V_Normal +3.3V_Normal Boot from SPI CS1N(EXT_FLASH) 1’b0 S7LR-M_NON_MS10 NC_29 NC_1 Boot from SPI_CS0N(INT_FLASH) 1’b1 1 48 NAND_FLASH_1G_SS IC101 NC_2 NC_28 EAN61857001 2 47 MSD804KKX PCM_A[0-7] NC_3 NC_27 3 46 PCM_D[0-7] 22 (I2S_OUT_BCK,I2S_OUT_MCK,PAD_PWM1PAD_PWM0) NC_4 NC_26 4 45 PCM_D[0] SYM.D AR101 B51_no_EJ : 4’b0000 Boot from 8051 with SPI flash W21 PCMDATA[0]/GPIO129 NC_5 I/O7 PCM_A[7]


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