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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 LCD TV
SERVICE MANUAL
CHASSIS : LD03E
MODEL : 47LE7300 47LE7300-ZA
MODEL : 47LE730N 47LE730N-ZA
MODEL : 47LE7380 47LE7380-ZA
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL63263214 (1008-REV00) Printed in Korea
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CONTENTS CONTENTS .............................................................................................. 2 PRODUCT SAFETY ..................................................................................3 SPECIFICATION ....................................................................................... 4 ADJUSTMENT INSTRUCTION ................................................................ 7 BLOCK DIAGRAM...............................................................................
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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. Leakage Current Hot Check (See below Figure)
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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 LCD TV used LD03E 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 ºC ± 5 ºC(77 ºF ± 9 ºF), CST: 40 ºC ± 5 ºC 2) Relative Humidity : 65 %
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5. Module optical specification No. Item Specification Min.Typ.Max. Remark 1. Viewing Angle10> Right/Left/Up/Down 89/89/89/89 CR > 10 2 2.Luminance Luminance (cd/m ) 360 450 Variation 1.3MAX /MIN 3. Contrast Ratio CR 1000 1400 4. CIE Color Coordinates White Wx 0.279 Wy 0.292 RED Xr 0.636 Yr Typ. 0.335 Typ. Green Xg -0.03 0.291 +0.03 Yg 0.603 Blue Xb 0.146 Yb 0.061 1) Stable for approximately 60 minutes in a dark environment at 25 ºC ± 2 ºC and windless room. 2) Operating Ambient Humidity
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7. RGB (PC) Specification No. Proposed Remarks Resolution H-freq(kHz) V-freq(Hz) Pixel Clock(MHz) 1. 720*400 31.468 70.08 28.321 For only DOS mode 2. 640*480 31.469 59.94 25.17 VESA Input 848*480 60 Hz, 852*480 60 Hz -> 640*480 60 Hz Display 3.800*600 37.879 60.31 40.00 VESA 4.1024*768 48.363 60.00 65.00 VESA(XGA) 5.1280*768 47.78 59.87 79.5 WXGA 6.1360*768 47.72 59.8 84.75 WXGA 7.1280*1024 63.595 60.0 108.875 SXGA FHD model 8.1920*1080 66.587 59.93 138.625 WUXGAFHD model 8. HDMI Input (1) D
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ADJUSTMENT INSTRUCTION (3) Adjustment 1. Application Range 1) Adjustment method This specification sheet is applied to all of the LCD TV with - Using RS-232, adjust items listed in 3.1 in the other LD03E chassis. shown in “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 use Enter adj. mode aa 00 00 a 00 OK00x an isolation transformer. However, the use of isolation Source change xb 00 40 b 00 OK40x (Adjust 480i Com
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Gat e Driv e IC In t er face 2) MAC Address Download 3.4. LAN PORT INSPECTION(PING TEST) - Com 1,2,3,4 and 115200(Baud rate) Connect SET -> LAN port == PC -> LAN Port - Port connection button click(1) SET PC (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 (2) LAN PORT inspection (PING TEST) 1) Play the LAN Port Test Program. 2) Connect each other LAN Port Jack. 3) Play Test (F9) button and confirm OK Message.
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- Adjust sequence 3.7. CI+ Key Download method A Press the PIP key of the ADJ remote controller. (This PIP (1) Download Procedure key is hot key to enter the VCOM adjusting mode) 1) Press "Power on" button of a service R/C.(Baud rate : (Or After enter Service Mode by pushing “ADJ” key, then 115200 bps) Enter V-Com Adjust mode by pushing “G” key at “10. V- 2) Connect RS232-C Signal Cable. Com”) 3) Write CI+ Key through RS-232-C. A As pushing the right or the left button on the remote 4) Check whe
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4.2. EDID(The Extended Display Identification 4. Manual Adjustment Data)/DDC(Display Data Channel) download 4.1. ADC(GP2) Adjustment (1) Overview 4.1.1. Overview It is a VESA regulation. A PC or a MNT will display an ADC adjustment is needed to find the optimum black level and optimal resolution through information sharing without any gain in Analog-to-Digital device and to compensate RGB necessity of user input. It is a realization of “Plug and Play”. deviation. (2) Equipment 4.1.2. Equipment &
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4.3.4. Adj. Command (Protocol) Product ID Model Name HEX EDID Table DDC Function CS LEN CMD VAL FHD Model 0001 01 00 Analog FHD Model 0001 01 00 Digital - LEN: Number of Data Byte to be sent - CMD: Command Serial No. : Controlled on product line - VAL: FOS Data value Month, Year: Controlled on production line: - CS: Checksum of sent data ex) Monthly : ‘01’ -> ‘01’ - A: Acknowledge Year : ‘2010’ -> ‘14’ Ex) [Send: JA_00_DD] / [Ack: A_00_okDDX] Model Name(Hex): A RS-232C Comma
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A Standard color coordinate and temperature using CA- 4.3.5. Adj. method 210(CH 9) (1) Auto adj. method 1) Set TV in adj. mode using POWER ON key. Mode Color Coordination Temp ∆UV 2) Zero calibrate probe then place it on the center of the xy Display. 3) Connect Cable (RS-232C) COOL 0.269 ± 0.002 0.273 ± 0.002 13000 K 0.0000 4) Select mode in adj. Program and begin adjustment. MEDIUM 0.285 ± 0.002 0.293 ± 0.002 9300 K 0.0000 5) When adj. is complete (OK Sing), check adj. status pre WARM 0.313 ± 0
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4.6. Option selection per country 6. Audio (1) Overview No. Item Min. Typ. Max. Unit - Option selection is only done for models in Non-EU - Applied model: LD03D/03E Chassis applied EU model 1. Audio practical max 9.0 10.0 12.0 W EQ Off Output, L/R AVL Off (2) Method (Distortion=10% 8.5 8.9 9.8 Vrms Clear Voice Off 1) Press ADJ key on the Adj. R/C, then select Country Group Menu max Output) 2) Depending on destination, select Country Group Code 2. Speaker (8Ω 10.0 15.0 W EQ On 04 or Country Grou
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BLOCK DIAGRAM Copyright © 2010 LG Electronics. Inc. All rights reserved. LGE Internal Use Only - 14 - Only for training and service purposes
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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 Electroni
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EXT IRQ GPIO_00, GPIO_01, GPIO_02, SMD GASKET GPIO_11, GPIO_11, GPIO_39 RESET IR_INT : GPIO_23 IC100 IR1_IN : GPIO_25 LGE3556C (C0 VERSION) IR2_IN : GPIO_29 CI_A[0-13] IR_OUT : GPIO_26 OPT J23 N26 R1047 CI_A[3] 0 EBI_ADDR3 GPIO_00 POWER_DET INTERRUPT PIN PWM0 : GPIO_24 J24 L26 CI_A[4] 0 R192 INTERRUPT PIN 17page : Motion Remocon EBI_ADDR4 GPIO_01 DC DC +3.3V_NORMAL H25 N25 PWM1 : GPIO_09 CI_A[2] INTERRUPT PIN ERROR_OUT EBI_ADDR2 GPIO_02 +3.3V_NORMAL H24 L25 CI_A[1] EBI_ADDR1 GPIO_03 MODEL_OPT_4
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When usding FUNDMENTAl then series R = 0 ohm and CL = 8 pF IC100 54MHz X-TAL When usding Dip-type X-tal then series R = 22 ohm and CL = 12 pF LGE3556C (C0 VERSION) D23 B4 FE_TS_DATA_CLK PKT0_CLK LVDS_TX_0_DATA0_P LVDS_TX_1_DATA4_N013:E7;035:AK20 C24 A4 FE_TS_SERIAL PKT0_DATA LVDS_TX_0_DATA0_N 013:E7;035:AK19 LVDS_TX_1_DATA4_P B26 C6 FE_TS_SYNC C230 PKT0_SYNC LVDS_TX_0_DATA1_P LVDS_TX_1_DATA3_N013:E7;035:AK19 22 A25 B6 12pF RMX0_CLK LVDS_TX_0_DATA1_N 013:E7;035:AK19 TP4021 LVDS_TX_1_DATA3_P R2
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D1.2V D3.3V D1.2V Place here for common circuit with ATSC +1.8V_AMP +1.8V_HDMI +3.3V_NORMAL A3.3V C245 C255 C377 C375 C263 C373 C267 C289 C291 L111 C383 C246 C378 C376 C259 C374 C366 C266 C288 C290 4.7uF 1000pF 0.01uF 0.1uF 4.7uF 1000pF 0.01uF 0.1uF 10uF L112 BLM18PG121SN1D C243 C249 C250 C382 C381 C380 C379 1000pF 0.01uF 0.1uF 4.7uF 1000pF 0.01uF 0.1uF 4.7uF 1000pF 0.01uF C286 C287 CIC21J501NE 0.1uF 4.7uF 1000pF 0.01uF 0.1uF 10uF 10uF 33uF 100uF FOR ESD C2008 C2007 0.1uF 0.1uF 16V 16V D3.3V D1.
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D1.8V A1.2V IC100 D1.8V LGE3556C (C0 VERSION) A6 0.1uF C403 DDR_BVDD0 A24 0.1uF C404 DDR_BVDD1 B7 DDR_BVSS0 B24 DDR_BVSS1 F20 DDR_PLL_TEST B23 R411 0 DDR_PLL_LDO B17 OPT DDR01_CKE DDR01_CKE DDR_VTT C22 R412 240 IC400 IC402 DDR_COMP E16 DDR1_DQ[0-7] 1% DDR01_ODT DDR01_ODT NT5TU128M8DE_BD NT5TU128M8DE_BD C23 DDR0_DQ[0-7] 004:B6 004:B5 DDR_EXT_CLK DDR01_A[0-3,7-13] B12 004:A7;004:F4 SI DDR0_CLK 004:A7;004:C4 DDR0_CLK DDR1_CLK 004:C7;004:C4 DDR0_CLK C12 R406 R407 DDR0_CLKb 004:C7;004:C4 E8 C8 DDR0_
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New Item Development EARPHONE BLOCK HP_LOUT OPT C902 1000pF C 50V E OPT JK901 OPT Q900 B +3.3V_NORMAL KJA-PH-0-0177 MMBT3904-(F) MMBT3904-(F) Q903 B GND 5 E C L 4 R912 1K DETECT 3 HP_DET HP_ROUT R 1 OPT C903 C 1000pF E OPT OPT 50V Q901 B MMBT3904-(F) +3.5V_ST MMBT3904-(F) B Q902 E C R914 10K SIDE_HP_MUTE COMPONENT +3.3V_NORMAL R902 Rear CVBS 10K R903 1K COMP2_DET REAR_AV D900 C931 REAR_AV_CVBS 5.6V 100pF R957 0 REAR_AV 50V REAR_AV C909 L904 D906 47pF 270nH 5.5V 50V COMP2_Y [GN]E-LUG C932 C904 D9
