LG Electronics 47LE730N manuals
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When we buy new device such as LG Electronics 47LE730N we often through away most of the documentation but the warranty.
Very often issues with LG Electronics 47LE730N begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Flat Panel Television LG Electronics 47LE730N is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Flat Panel Television on our side using links below.
LG Electronics 47LE730N Service Manual
40 pages 5.45 Mb
LED LCD TV SERVICE MANUAL2 CONTENTS3 SAFETY PRECAUTIONSGeneral GuidanceBefore returning the receiver to the customer, Leakage Current Cold Check(Antenna Cold Check) Leakage Current Hot Check Leakage Current Hot Check circuit IMPORTANT SAFETY NOTICE 4 SPECIFICATION7 ADJUSTMENT INSTRUCTION1. Application Range 2. Designation 3. Automatic Adjustment 10 4. Manual Adjustment4.1. ADC(GP2) Adjustment4.1.1. Overview 4.1.2. Equipment & Condition 4.1.3. Adjust method 4.2. EDID(The Extended Display Identification Data)/DDC(Display Data Channel) download 11 4.3. White Balance Adjustment4.3.1 Overview 4.3.3. Equipment connection MAP 4.3.2 Equipment 4.3.4. Adj. Command (Protocol) 4.3.5. Adj. method 4.3.6. Reference (White Balance Adj. coordinate and temperature) 12 4.4. EYE-Q function check4.5. Local Dimming Function Check 4.6. Option selection per country 4.7. Tool Option selection 4.8. Ship-out mode check(In-stop) 13 5. GND and Internal Pressure check5.1. Method 5.2. Checkpoint 6. Audio7. USB S/W Download (option, Service only) 15 EXPLODED VIEWBCM3556 & NAND FLASHIC102 M24M01-HRMN6TP FOR ESD 12V Pattern 16 Boot StrapMODEL OPTION Default Res. of all NAND pin is Pull-down SOC_RESET From wireless_I2C to micom I2C NVRAMLGE3556C (C0 VERSION) * I2C MAP * NAND FLASH MEMORY 4Gbit (512M for BB)* I2C_0 : * I2C_1 : * I2C_2 : * I2C_3 : RESETA8h FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2FE_TS_DATA_CLK FE_TS_SERIAL Near J1501 Near Q1704 Near J1602 BROAD BAND STUDIO 54MHz X-TAL 17 VIDEO INCMAUDIO INCMPLACE NEAR BCM CHIP PLACE NEAR JacksNear J1501 Near J1600 Near J1603 Near Q1705 Near J1603 Near P1600 TP is Necessory 18 2009.06.18 BCM3556 VIDEO INEUROBBTV+1.8V_HDMI+1.8V_AMP TU_IF_N_1 TU_IF_P_1 LGE3556C (C0 VERSION) IC100 LGE3556C (C0 VERSION) Place here for common circuit with ATSC 26page : TUNER(HALF NIM) 19 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS BCM (EUROBBTV) 2009.06.18 HONG YEON HYUK 4DDR MemoryDDR1_VREF0 DDR0_VREF0 IC404 BD35331F-E2 IC403 SIIC402 IC401 IC400IC100 LGE3556C (C0 VERSION) PI FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS EARPHONE BLOCK2009.06.18EUROBBTVC904 L904 C932 C906 C933 L903 C934 C905 L902 9 20 New Item DevelopmentCOMPONENT Rear CVBSCopyright 2010 LG Electronics. Inc. All rights reserved. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS +1.2V_TU +2.5V_TU FE_TS_SERIAL +2.5V_TU L2703 CIC21J501NE IC2701 MP2212DN TU2701 TDFR-G135DHORIZONTAL_NIM TU2701-*1 TDFR-G155D close to TUNER OPTION : RF AGC 21 CAN H-NIM/NIM TUNER for EU 22 USB2 OPTIONUSB / DVR Ready USBFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS EU_SCART [OPT] [SCART2 PIN 8] 41 Audio Out Amp 23 EARPHONE BLOCK28 +5V_NORMALPower_DET +3.3V_NORMAL +5V_USB FROM LIPS & POWER B/D BCM core 1.2V volt BCM DDR 1.8V A2.5VFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 29 IC8101GP2_Saturn7M Ver. 1.4 5 MICOM 30 Zener Diode isFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS COMMERCIAL5 mils trace width with 7 mils air gap on P/N pair. close to wafer IR & KEY RS232CAdjacent TX/RX differential pairs should be separated by more than 15 mils to each other ETHERNET CONNECTTrace impedance : 100 ohm differenctial impedance to GND plane 31 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS UI_HW_PORT2 UI_HW_PORT3 EDID Pull-up LEE GI YOUNG 8 IC8300 TDA19997 * HDMI CEC SIDE_HDMI_PORT4 UI_HW_PORT1 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS RGB IN RGB AUDIO IN11 Q3 10 D2B 9D2A GND 8Q2 5 Q1 6 D1A RGB_VSYNC IC8400 74F08D DEV 13 D3B 12 D3A 1 2 Q0 3 D0B 4 D0A D1B 7 14 VCC R8401 +5V_NORMAL R8402 R8405 R8406 C8401 0.1uF JK8400 JST1223-001 1 GND 2 VCC 3 VINPUT 4 FIX_POLE SPDIF_OUT 9 32 RGB PC RS232C & WirelessX1/Y1/Z1 WIRELESS Dongle connect --> WIRELESS RS232HIGH WIRELESS_SW_CTRL LOW 34 Wireless powerSELECT PIN WIRELESS Dongle Dis_con --> S7 RS232X0/Y0/Z0 WIRELESS READY MODELSTATUS 35 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS KIM JONG HYUN 38NTP7000 SPEAKER_R SPEAKER_LCCFL = 20V Edge_LED 32~47 Inch = 20V 55 Inch & IOP Module = 24V 2009.09.11 URSA3 DDR & Power 89+1.5V_MEMC +3.3V_MEMC 1074 mA L8902 H5TQ1G63BFR-12C IC8901 AP1117EG-13 ADJ/GND OUTINL8901 IC8900IC8903 IC8902 DDR3 1.5V By CAP - Place these Caps near Memory Close to DDR Power Pin 36 +3.3V_MEMCURSA3 CORE 1.26V URSA3 DDR3 1.5VFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2009.09.11 URSA3 (NO L.D.) 90 Separate DVDD_DDR Power 37 URSA3LGE7378A[FRC_TCON_URSA3] IC9001 Serial FlashR9 HIGH K14 T10 LOW U10 R10 FRC OPTION FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS T-Con (NO L.D.) 09/09/10 91IC9100 MAX9668ETP+ For P-Gamma Data Download IC9101 MAX17119DS 38 [HVDD Block][P-GAMMA Block] [LEVEL Shift Block]* Voltage Target VDD_LCM = 16.25V VGH = 28.50V VGL = -5.35V [POWER Block]Slave Address : 0xE8h (AO Pin - GND) 39 47_FHDT-Con Power Option 09/12/15 98 42_FHD 37_FHD 32_FHD 55_FHD Sheet 91 or 95
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