LG Electronics 55LA965V/W/9-ZA manual

Printed in Korea P/NO : MFL67733213 (1307-REV00) CHASSIS : LD34N MODEL: 55LA965V/W/9 55LA965V/W/9-ZA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. LED TV SER VICE MANUAL North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com Internal Use Only[...]

- 2 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes CONTENTS CONTENTS .............................................................................................. 2 SAFETY PRECAUTIONS ........................................................................ 3 SERVICING PRECAUTIO[...]

- 3 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 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 [...]

- 4 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes SER VICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication. NOTE : If unforeseen circumstances [...]

- 5 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and then bent at against the cir- cuit foil. When holes are the slotted type, the following technique shoul[...]

- 6 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes SPECIFICA TION NOTE : Specifications and others are subject to change without notice for improvement . 1. Application range This specification is applied to the LED TV used LD34N chassis. 2. Requirement for T est Each part is te[...]

- 7 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes No. Item Specication Remarks 2 Broadcasting system 1) P AL-BG/DK/I/I’ 2) SECAM L/L ’, DK, BG, I 3) DVB-T/T2, C, S/S2 3 Program coverage 1 ) Digital TV - VHF , UHF - C-Band, Ku-Band 2) Analogue TV -VHF : E2 to E12 -UHF : E[...]

- 8 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 5. External input format 5.1. 2D Mode (1) Component input(Y , CB/PB, CR/PR) (2) HDMI Input (PC/DTV) 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. 720×4[...]

- 9 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 5.2 . 3D Mode (1) RF Input(3D supported mode manually) No. Resolution Proposed 3D input proposed mode 1 HD - DTV 1080I 720P 2D to 3D Side by Side(Half) T op & Bottom 2 SD - DTV 576P 576I 3 SD - A TV(CVBS/SCART) (3) HDMI 1.3 [...]

- 10 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes (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 1 640*480 31.469 / 31.5 59.94/ 60 25.125/25.2 1 T op-and-Bottom Side-by-side(half) Sec[...]

- 1 1 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes No. Resolution H-freq(kHz) V -freq.(Hz) Pixel clock(MHz) 3D input proposed mode Proposed 1 1024*768 48.36 60 65 2D to 3D, Side by Side(half) T op & Bottom HDTV 768P 2 1360*768 47.71 60 85.5 2D to 3D, Side by Side(half) T o[...]

- 12 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes (9) USB, DLNA (3D) (3D supported mode automatically) (10) Miracast, Widi (3D supported mode manually) No. Resolution H-freq(kHz) V -freq.(Hz) Pixel clock(MHz) 3D input proposed mode 1 Under 320x240 - - - 2D to 3D 2 Over 320x240[...]

- 13 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes ADJUSTMENT INSTRUCTION 1. Application Range This specification sheet is applied to all of the LED TV with LD34N chassis. 2. Designation (1) Because this is not a hot chassis, it is not necessary to use an isolation transformer [...]

- 14 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 3.3. LAN Inspection 3.3.1. Equipment & Condition ▪ Each other connection to LAN Port of IP Hub and Jig 3.3.2. LAN inspection solution ▪ LAN Port connection with PCB ▪ Network setting at MENU Mode of TV ▪ Setting aut[...]

- 15 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 3.5. Model name & Serial number Download 3.5.1. Model name & Serial number D/L ▪ Press "Power on" key of service remote control. (Baud rate : 1 15200 bps) ▪ Connect RS-232C Signal to USB Cable to USB. ▪ [...]

- 16 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 4. Manual Adjustment * ADC adjustment is not needed because of OTP(Auto ADC adjustment) 4.1. ED I D ( T h e E x t e n de d D i s p l a y I d e nt i f i c a t i o n Data)/DDC(Display Data Channel) download 4.1.1. Overview It is [...]

- 17 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes # HDMI 3(C/S : E8 C0) EDID Block 0, Bytes 0-127 [00H-7FH] EDID Block 1, Bytes 128-255 [80H-FFH] 4.2. White Balance Adjustment 4.2.1. Overview ▪ W/B adj. Objective & How-it-works (1) Objective: T o reduce each Panel's[...]

- 18 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 4.2.6. Adj. method (1) Auto adj. method 1) Set TV in adj. mode using POWER ON key . 2) Zero calibrate probe then place it on the center of the Display . 3) Connect Cable.(RS-232C to USB) 4) Select mode in adj. Program and begin[...]

- 19 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 4.2.8. EDGE LED White balance table (1) EDGE LED module change color coordinate because of aging time. (2) A pply un der th e color c oordi nate ta ble, f or comp ensat ed aging time. (3) Normal line(Edge, Direct) - Gumi (Mar ~[...]

- 20 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 4.6. Wi-Fi T est Step 1) T urn on TV Step 2) Select Network Connection option in Network Menu. Step 3) Select Start Connection button in Network Connection. Step 4) If the system finds any AP like blow PIC, it is working well. [...]

- 21 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 4.1 1. HDMI ARC Function Inspection (1) T est equipment - Optic Receiver Speaker - MSHG-600 (SW: 1220 ↑) - HDMI Cable (for 1.4 version) (2) T est method 1) Insert the HDMI Cable to the HDMI ARC port from the master equipment [...]

- 22 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 6. USB S/W Download(Service only) (1) Put the USB Stick to the USB socket. (2) Automatically detecting update file in USB Stick. - If your downloaded program version in USB Stick is Low , it didn't work. But your downloade[...]

- 23 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 900 901 700 710 200 300 400 540 521 541 530 832 120 571 570 560 122 123 810 81 1 510 830 500 310 121 831 L V1 L V2 A22 A10 A T1 AG1 * Set + Stand AG2 Dual Play (Option) A2 (Option) EXPLODED VIEW Many electrical and mechanical p[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. EB_ADDR[13] EMMC_DATA[5] EB_ADDR[0] EB_ADDR[14] EB_ADDR[8][...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 11/05/31 L222 BLM18PG121SN1D +1.1V_VDD L225 BLM15BD121SN1 [...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. TPO_DATA[0] TPO_DATA[2] TPO_DATA[3] FE_DEMOD1_TS_DATA[1] T[...]

THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. M1_DDR_A5 M0_DDR_DQ10 M1_DDR_DM1 M1_DDR_WEN M1_DDR[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. CI_DATA[7] CI_DATA[1] CI_DATA[5] CI_DATA[3] CI_DATA[2] CI_[...]

THERMAL THERMAL THERMAL THERMAL THERMAL THERMAL THERMAL THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEM[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. WOL/WIFI_POWER_ON POWER_ON/OFF1 I2C_SDA_MICOM RUE003N02 Q3[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. C3104 0.1uF MOTOR_CTRL_D MOTOR_CTRL_A C3102 0.1uF MOTOR_CT[...]

THERMAL THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. R3246 10K CK+_HDMI1 C3214 1uF D3202 A2 C A[...]

Fiber Optic THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. +3.3V_NORMAL COMP1/AV1/DVI_R_IN COMP1/AV1/DVI_[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. +3.3V_NORMAL +3.5V_ST C4007 0.1uF VA4001 5.6V AMOTECH CO.,[...]

THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. R4208 22K CAMERA R4207 3.3K CAMERA R4202 0 NON_CAM[...]

USB DOWN STREAM USB DOWN STREAM THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. USB_CTL1 /USB_OCD1[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. VA4808 5.5V OPT C4801 1000pF 50V EU VA4804 5.5V EU SC_G VA[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. VA5102 5.5V JK5100 XRJH-01A-4-DA7-180-LG(B) LAN_XML 1 P1[C[...]

THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. EPHY_TXD1 R5215 3.3K EPHY_TDN +3.3V_WOL C5208 0.1u[...]

THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. +24V_AMP I2C_SCL1 C5628 330pF 50V AUD_MASTER_CLK W[...]

THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. C5711 4700pF WOOFER C5732 0.1uF 50V WOOFER SPK_WOO[...]

THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. C5820 10uF 35V C5810 4700pF C5816 0.033uF 50V C580[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. SIGN600002 C6004 0.1uF 50V EU DTV/MNT_R_OUT C6008 1uF 25V [...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. R6100 10K HP_OUT C6101 1uF 10V HP_OUT C6100 1uF 10V HP_OUT[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. +5V_CI_ON +5V_NORMAL R6217 100 CI C6210 1uF 25V CI R6218 1[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. SIGN630028 P6300 10057542-1311FLF(B CAS Slot) JAPAN C1 VCC[...]

THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. FE_DEMOD1_TS_DATA[1] FE_DEMOD1_TS_DATA[0] FE_DEMOD[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. FE_DEMOD1_TS_VAL FE_LNA_Ctrl1 FE_DEMOD1_TS_DATA[7] FE_DEMO[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 12/08/16 RS232C 68 IC6801 MAX3232CDR EAN41348201 3 C1- 2 V[...]

THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. A_GND C6905 10uF 25V LNB R6900 2.2K 1W LNB A_GND L[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. TXBCLKP/TX2P R7217 0 UD TXC3N TXB0N/TX5N TXC2P TXB3N/TX1N [...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. EMMC_DATA[4] EMMC_DATA[1] EMMC_DATA[6] EMMC_DATA[5] EMMC_D[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. D13_SPI_DO_M D13_SPI_SCLK_M D13_SPI_DI_M D13_HDMI_TX0N D13[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. D13_DDR_A[12] D13_DDR_A[11] D13_DDR_A[10] D13_DDR_A[9] D13[...]

THERMAL THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 10uF C12203 VREF_D13_M0 VDD33_D13 L12208 B[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. +3.3V RXB3P RXB1N C100 10uF 25V R104 33 OPT +3.3V RXA0N Q1[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. R111 100 1% R105 100 1% R129 100 1% R123 100 1% R135 100 1[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. R218 0 TXDBN7_L R219 0 PANEL_VCC TXDBP2_L R208 10K TXDBP3_[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. MMDMA0 MMDMA1 MMDMA2 MMDMA3 MMDQSAP0 MMDQSAN0 MMDQSAP1 MMD[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. R456 240 1% R443 120 5% MMDQSBN1 R432 120 5% R466 120 5% M[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. C508 3.3pF 50V C507 3.3pF 50V C502 3.3pF 50V C500 3.3pF 50[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. SPICS0_A R709 10K R700 10K R701 10K OPT SPIRXD_A SPITXD_A [...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. R737 4.7K RSTn_A C700 0.1uF OPT SW701 JTP-1127WEM 1 2 4 3 [...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. INPUTCNTCLR AUXDISPCNT AUXINCNT1 iGPIOB2_A iGPIOB3_A AUXIN[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. R928 10K +3.3V RSTn_B R906 10K +3.3V R907 10K R909 0 TESTE[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. C1023 0.1uF 16V +1.05V_A C1019 0.1uF 16V C1028 0.1uF 16V C[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. DIF_LVTA_VDD25_A LVTVDD25_A C1167 0.1uF 16V C1108 0.1uF 16[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. +1.05V_B C1209 0.1uF 16V DPLL_OSC_VDD1V_B C1221 0.1uF 16V [...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. DIF_LVTA_VDD25_B C1312 1uF 10V LVTVDD25_B C1324 4.7uF 10V [...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. U_MMCSA0 U_MMODTA U_MMBKA0 U_MMBKA2 U_MMWEA U_MMCASA U_MMR[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. SPI_DI SPI_DO R1909 10K +3.3V SPI_CZ L1900 MLB-201209-0120[...]

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. VDDC AVDDL_TX_RX AVDDL_MOD_DRV AVDD_DDR_URSA7 AVDD_PLL VDD[...]

THERMAL THERMAL THERMAL THERMAL THERMAL THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. L1403 3.6u[...]

[...]

LCD TV Repair Guide `13 years New Models < Applicable Model > XXLA965V -ZA Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only[...]

Main PCB From PSU FRC B/D (UL TRA HD) 1 3 4 1 Main processor_Di gital(LG1152 D), DDR Memory eMMC Memory 2 3 4 Micom for Key/IR sensing HDMI switch Audio AMP (50W) XXLA965V -ZA wifi Local Key +IR Motion assy Front Spk Power 2 Main processor_a nalog(LG1152 A) 5 5 Woofer Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and[...]

FRC PCB(UL TRA HD) 1 3 Video processor (LGE7410 :URSA7), DDR Memory Flash Memory 2 Video processor Master (PA168), DDR Memory Flash Memory Main B/D 1 2 Power From PSU Module Power To Tc o n Video processor Slav e (PA168), DDR Memory Flash Memory 3 XXLA965V -ZA Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service[...]

H13 Block diagram 16 DDR3 8 Tuner PC_AUDIO PC_Audio_L/R AV1_Audio L/R AV1 COMP1 AV1_CVBS Comp1 Y, Pb,Pr HDMI Switch HDMI2 H13 LG1154AN USB1(USB3.0) USB2(USB2.0) USB3(USB2.0) Motion-R M-Remote_Rx/Tx Audio AMP OPTIC L/R SPK H/P Line out SPDIF DDR3 4Gb×4 (1600) 4Gb×2 (1600) 8 eMMC 16GB×1 SCART SC_CVBS, RGB, Audio L/R DTV/MNT_LR/V_OUT HDMI_CEC USB 3[...]

H13 Block diagram I2C Map IC3201 SII9587CNUC HDMI_SW IC5800 TAS5733 AMP HEIGHT AR15 [SCL0/GPIO66] AP15 [SDA 0/GPIO 65] I2C_SDA1 IC5600 TAS5733 AMP MAIN 24 [SCL] 23 [SDA] IC5700 TAS5733 AMP WOOFER 33 Ω 33Ω IC3000 R5F100GEAFB RENESAS MICOM 3.3k Ω I2C_SCL1 3.3k Ω +3.3V_NOR +3.3V_NOR 3.3k Ω 3.3k Ω AP6 [SCL3] AR6 [SDA3] TU6503 TDSQ-G651D TUNER_T2/[...]

H13 Block diagram LG1154 TDSQ- G651D [RESET] 2 AG6[GPIO10] AH34 [SCL5] AH33 [SDA5] [SLC] 3 [SDA] 4 [+3.3V_TUNER] 5 [+.1.8V_TUNER] 7 [CVBS] 8 [ERROR] 16 [SYNC] 17 [VALID] 18 [MCLK] 19 AL37[TP_DVB_ERR] AL36 [TP_DVB_SOP] AL35 [TP_DVB_VA L] AM36 [TP_DVB _CLK] [D0-7] 20-2 7 [+1.23V_S2_DEMOD] 30 [S2_RESET] 31 AM18 [ADIN7_SRV] [+3.3V_S2_DEMOD] 32 LNB IC69[...]

H13 Block diagram COMP1_PR_IN_SOC COMP1 _Y_I N_SOC COMP1_PB_IN_SOC COMP1 _Y_I N_SOC_SOY H13 (LG1154AN) [CVBS_IN3] AV1_CVBS_IN AV1 Phone JACK [AUAD_L/R _CH3_IN] COMP1_Y/Pb/Pr Component 1 Phone JACK AV1_CVBS_IN_S OC COMP2_PB_IN_SOC COMP2_Y_IN_SOC COMP2_Y_IN_SOC_SOY COMP2_PR_IN_SOC FULL SCART (18P) SC_CVBS_IN [CVBS_IN2] SC_CVBS_IN_SOC SC_R SC_G SC_B S[...]

H13 Block diagram SPDIF_OUT TAS5733 AZ4580MTR OP A MP Mute CTRL [TR] LPF AV_L/R_IN [IEC958OUT] [AAD_ADC_SIF] SCART_MUTE SCART AUDIO L/R OUT I2C_SCL1/SDA 1 MICOM MICOM [AUD_SCART_OUTL/OUTR] SC_L/R_IN SCART_Lout/Rout AUD_SCK/LRCK/LRCH pi filter AMP_RESET_N AMP_MUTE HP_L/ROUT_MAIN HEADPHONE SIDE_HP_MUTE [DACSCK] [DACLRCK] [DACLRCH] MAIN WOOFER 4P wafe[...]

FRC B/D (UL TRA HD) Block diagram Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only[...]

Interconnection - 1 1 Main PCB 2 PSU 3 WIFI ASSY 4 BT MOTION ASSY 5 IR PCB [PCBs] XXLA965V -ZA 1 2 5 3 4 6 6 Local Key 7 LED Driver 7 Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only[...]

Interconnection – sub PCB( XXLA965V Series ) To M a i n 3 4 BT MOTION ASSY 5 Local Key PCB 1 IR Key PCB IR PCB WIFI ASSY BT MOTION ASSY WIFI ASSY Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only[...]

Contents of LCD TV Standard Repair Process No. Error symptom (High category) Error symptom (Mid category) Pag eR e m a r k s 1 A. Video error No video/Normal audio 1 2 No video/No audio 2 3 Picture broken/ Freezing 3 4 Color error 4 5 Vertical/Horizontal bar, residual image, light spot, external device color error 5 6 B. Power error No power 6 7 Of[...]

Normal audio Y N Move to No video/No audio No video Normal audio Check Back Light On with naked eye On Y N Check Power Board 24V, 12V,3.5V etc. Normal voltage Y N Replace T-con/FRC Board or module And Adjust VCOM Repair Power Board or parts Check Power Board 24V output Normal voltage Y Replace Inverter or module N Repair Power Board or parts End Al[...]

Normal voltage? Check various voltages of Power Board ( 3.5V,12V,20V or 24V…) No Video/ No audio Check and replace MAIN B/D Y Replace Power Board and repair parts N End Standard Repair Process A. V ideo error No video/ No audio ☞ A18 Established date Revised date 2/16 LCD TV Error symptom 2 2013.01.31 Copyright © 2013 LG Electronics. Inc. All [...]

A. V ideo error Picture broken/ Freezing Y N ☞ A3 N Check RF Signal level Normal Signal? Check RF Cable Connection 1. Reconnection 2. Install Booster Check S/W Version S/W Upgrade Check whether other equipments have problem or not. (By connecting RF Cable at other equipment) → DVD Player ,Set-Top-Box, Different maker TV etc` SVC Bulletin? Repla[...]

Color error? Y N ※ Check and replace Link Cable (EPI) and contact condition Y N Replace Main B/D Color error? Check error color input mode Check color by input -External Input -COMPONENT -AV -HDMI Y External device /Cable normal External Input/ Component error Check external device and cable Y External device /Cable normal HDMI error Check extern[...]

Screen normal? N Y Check external device connection condition Y N Check and replace Link Cable Normal? Y N Screen normal? Replace Main/FRC B/D (adjust VCOM) Replace module Check color condition by input -External Input -Component -HDMI End V ertical/Horizontal bar , residual image, light spot Request repair for external device A. V ideo error Verti[...]

B. Power error No power Power LED On? Y N DC Power on by pressing Pow er Key On Remote control Y N Normal operation? Check Pow er On ‘”High” Check Power cord was inserted properly Check Logo LED Replace Power B/D Measure voltage o f each outpu t of Pow er B/D N Y Normal voltage? Replace Main B/D Y OK? Replace Main B/D N Y Normal? Check ST-BY [...]

B. Power error Off w hen on, off w hile viewing, power auto on/off Error? N Y Check Pow er Off Mode Fix A/C cord & Outlet and check each 3 phase out Check A/C cord Check for all 3- phase power out Check outlet Replace Main B/D CPU A bnormal (If Pow er Off mode is not displaye d) Check Pow er B/D vol t a g e Y N Replace Main B/D Normal voltage? [...]

No audio Screen normal Check user menu > Speaker off Off N Y Cancel OFF Check audio B+ 24V of Pow er Board Normal vol t a g e Y N Replace Power Board and repair parts Check Speaker disconnection N Y Replace Speaker Replace MAIN Board End C. Audio error No audio/ Normal video ☞ A20 ☞ A21+A18 Disconnection Established date Revised date 8/16 LC[...]

→ abnormal audio/discontin uation/noise is same afte r “Check input signal” compared to No audio C. Audio error Wrecked audio/ discontinuation/noise Wrecked audio/ Discontinuation/ Noise for all audio Check and replace speaker and connector Wrecked audio/ Discontinuation/ Noise only for D-TV Wrecked audio/ Discontinuation/ Noise only for Anal[...]

D. Function error Remote control & Local switch checking Y N 1. Remote control(R/C) operating error Check R/C itself Operation Normal operating? Normal operating? Y Close Replace R/C If R/C operate, Explain the customer cause is interference from light in room. Check R/C Operating When turn off light in room Check & Replace Baterry of R/C C[...]

D. Function error MR13 operating checking Y N 2. MR13(Magic Remocon) operating error Check MR13 itself Operation Normal operating? Normal operating? Y Close Check & Replace Battery of MR13 Is show ok message? Press the wheel Is show ok message? Close N N N Y Standard Repair Process Established date Revised date 11/16 LCD TV Error symptom 11 Rep[...]

D. Function error Wifi operating checking 3.Wifi operating error Check the INSTART menu Wi-Fi Mac value is “NG”? Y Check & Repair Wifi cable connection N Check the Wifi wafer 1pin Standard Repair Process Established date Revised date 12/16 LCD TV Error symptom 12 Change the Wifi assy Normal Voltage? Close Y Y N Replace Main B/D Wi-Fi Mac va[...]

Check technical information - Fix information - S/W Version N Y Technical information? Check input signal Signal input? Y N External Input and Component Recognition error Check and fix external device/cable HDMI/ DVI, Optical Recognition error Replace Main B/D Replace Main B/D Fix in accordance with technical information D. Function error External [...]

Check location of noise Identify nose type Circuit noise Replace PSU Mechanical noise Check location of noise ※ When the noise is severe, replace the module (For models with fix information, upgrade the S/W or provide the description ) OR ※ If there is a “Tak Tak” noise from the cabinet, refer to the KMS fix information and then proceed as [...]

Replace module Zoom part with exterior damage Module damage Cabinet damage Replace cabinet Replace remote controller Remote controller damage Stand dent Replace stand F . Exterior defect Exterior defect Established date Revised date 16/16 LCD TV Error symptom Standard Repair Process 16 2013.01.31 Copyright © 2013 LG Electronics. Inc. All rights re[...]

Contents of LCD TV Standard Repair Process Detail T echnical Manual No. Error symptom Content Page Remarks 1 A. Video error_ No video/Normal audio Check LCD back light with naked eye A1 2 Check White Balance value A2 4 A. Video error_ video error /Video lag/stop TUNER input signal strength checking method A3 5 LCD-TV Version checking method A4 6 Tu[...]

Contents of LCD TV Standard Repair Process Detail T echnical Manual No. Error symp tom Content Page Remarks 16 B. Power error_ No power Check front display LED A17 17 Check power input Voltage & ST-BY 3.5V A18 18 B. Power error_Off when on, off while viewing POWER OFF MODE checking method A19 19 C. Audio error_ No audio/Normal video Checking me[...]

Established date Standard Repair Process Detail T echnical Manual Revised date A1 Error symptom Content Check LCD back light w ith naked eye A. V ideo error_No video/Normal audio After turning on the power and disassemblin g the case, check with the naked eye, whether you can see li ght from 2 locations. LCD TV A1 2013.01.31 <XXLA965V -ZA> Co[...]

Established date Standard Repair Process Detail T echnical Manual Revised date A2 Error symptom Content Check White Balance value A. V ideo error_No video/Normal audio LCD TV A2 Entry method 1. Press the ADJ button on the re mote controller for adjustment. 2. Enter into White Balance of item 6. 3. After recording the R, G, B (G AIN, Cut) value of C[...]

Settings Æ Set up Æ Manual T uning Æ select channel When the signal is strong, use the attenuator (-10dB, -15dB, -20dB etc.) Standard Repair Process Detail T echnical Manual TUNER input signal strength checking method A. V ideo error_Video error , video lag/stop <ALL MODELS> A3 Established date Revised date Error symptom Content LCD TV A3 [...]

Standard Repair Process Detail T echnical Manual LCD-TV Version checking method A. V ideo error_Video error , video lag/stop 1. Checking method for remote controller for adjustment Press the IN-ST AR T with the remote controller for adjustment V ersion <ALL MODELS> A4 Established date Revised date Error symptom Content LCD TV A4 2013.01.31 Co[...]

Checking method: 1. Check the signal strength or check whether the scr een is normal when the external device is connected. 2. After measuring each voltage from power supply, finally replace the MAIN BOARD. Standard Repair Process Detail T echnical Manual TUNER checking part A. V ideo error_Video error , video lag/stop <ALL MODELS> A5 Establi[...]

Standard Repair Process Detail T echnical Manual LCD TV connection diagram (1) A. V ideo error _V ertical/Horizontal bar , residual image, light spot As the part connecting to the external input, check the screen condition by signal A6 Established date Revised date Error symptom Content LCD TV A6 <ALL MODELS> 2013.01.31 Copyright © 2013 LG E[...]

Standard Repair Process Detail T echnical Manual Check Link Cable (LVDS) reconnection condition A. V ideo error_Color error Check the contact condition of the Link Cable, especially dust or mis insertion. A7 Established date Revised date Error symptom Content LCD TV A7 <ALL MODELS> 2013.01.31 Copyright © 2013 LG Electronics. Inc. All rights [...]

Standard Repair Process Detail T echnical Manual Adjustment Test pattern - ADJ Key A. V ideo error_Color error Y ou can view 6 types of patterns using the ADJ Key Checking item : 1. Defective pixel 2. Resi dual image 3. MODULE error (ADD-BAR,SCAN BAR..) 4.V ideo error (Classification of MODULE or Main-B/D!) A8 Established date Revised date Error sy[...]

Solder defect, CNT Broken T - Con Defect, CNT Broken T - Con Defect, CNT Broken T - Con Defect, CNT Broken Solder defect, CNT Broken Solder defect, CNT Broken Solder defect, CNT Broken Solder defect, CNT Broken Abnormal Power Section Solder defect, Short/Crack Abnormal Power Section Solder defect, Short/Crack Appendix : Exchange Main Board (1) A - [...]

Abnormal Power Section Solder defect, Short/Crack Abnormal Power Section Solder defect, Short/Crack Fuse Open, Abnormal power section Noise GRADA TION GRADA TION Abnormal Display Appendix : Exchange Main Board (2) A - 2 / 5 Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only[...]

Appendix : Exchange Power Board (PSU) No Light Dim Light Dim Light Dim Light No picture/Sound Ok A - 3 / 5 Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only[...]

Appendix : Exchange the Module (1) Panel Mura, Light leakage Press damage Crosstalk Crosstalk Press damage Panel Mura, Light leakage Press damage A - 4 / 5 Un-repairable Cases In this case please exchange the module. Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only[...]

V ertical Block Source T AB IC Defect Horizontal Block Gate T AB IC Defect Gate T AB IC Defect Gate T AB IC Defect V ertical Line Source T AB IC Defect Ve r t i c a l B l o c k Source T AB IC Defect Horizontal Block Gate T AB IC Defect Horizontal line Gate T AB IC Defect Gate T AB IC Defect Horizontal Block Gate T AB IC Defect Appendix : Exchange t[...]

Standard Repair Process Detail T echnical Manual Check front Power Indicator B. Power error _No power A17 Established date Revised date Error symptom Content LCD TV A17 ST -BY condition: On or Of f Power ON condition: T urn Off 2013.01.31 <XXLA965V -ZA> Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service [...]

Established date Standard Repair Process Detail T echnical Manual Revised date A18 Error symptom Content Check power input voltage and ST-BY 3.5V B. Power error _No pow er LCD TV A18 Check the DC 24V , 12V , 3.5V . 18 Pin (Pow er Board ↔ M ain Board ) 1 Power on 2 INV ON 3 3.5V 4 PDIM#1 5 3.5V 6 PDIM#2 7 GND 8 GND 9 24V 10 24V 11 GND 12 GND 13 12[...]

Entry method 1. Press the IN-ST AR T button of the remote controller for adjustment 2. Check the entry in to adjustment item 3 Standard Repair Process Detail T echnical Manual POWER OFF MODE checking method B. Power error _Off when on, off w hiling viewing <ALL MODELS> A19 Established date Revised date Error symptom Content LCD TV A19 2013.01[...]

Checking method 1. Press the Setting button on the remote controller 2. Select the Sound function of the Menu 3. Select the Sound Setting 4. Select TV Speaker Standard Repair Process Detail T echnical Manual Checking method in menu when there is no audio C. Audio error_No audio/Normal video <ALL MODELS> A20 Established date Revised date Error[...]

24 Pin (Power Board ↔ Main Board) 1 Power on 2 INV ON 3 3.5V 4 PDIM#1 5 3.5V 6 PDIM#2 7 GND 8 GND 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 24V 17 GND 18 GND Checking order when there is no audio ① Check the contact condition of or 24V connector of Main Board ② Measure the 24V input voltage supplied from Power Board (If there is no i[...]

P4002 1 GND 2 KEY1 3 KEY2 4 +3.5V _ST 5 GND 6 LED 7 +3.5V_ST 8G N D Checking order 1, 2. Check IR cable c ondition between IR & Main board. 3. Check the st-b y 3.5V on the terminal 4,7. 4. When checking the Pre-Amp w hen the power is in ON condition, it is normal when the Analog T ester needle moves slowly , and defec tive when it does not move[...]

P4000 1 +3.5V _WO L 2 +3.3V 3 USB_DM 4 RTS 5 USB_DP 6 RX 7G N D 8T X 9W O L 10 RESET 11 GND 12 CTS 13 NC 14 +3.5V_ST(OLED) 15 IR(OLED) 16 GND Checking order 1, 2. Check Motion cable condi tion between Motion assy & Main board. 3. Check the 3.3V on the terminal 2. Standard Repair Process Detail T echnical Manual Motion Remote operation checking [...]

Checking order 1, 2. Check Wifi cable condi tion between Wifi assy & Main board. 3. Check the 3.3V on the terminal 2. Standard Repair Process Detail T echnical Manual Wifi operation checking method A24 Established date Revised date Error symptom Content LCD TV A29 D. Function error 2013.01.31 < XXLA965V -ZA > P4000 1 +3.5V _WO L 2 +3.3V 3[...]

Changing method 1. Contact the USB memory . (USB 1,2,3 jack) 2. Enter the password. (ex. 000000) * Access USB Memory has each password. Standard Repair Process Detail T echnical Manual Tool option changing method A26 Established date Revised date Error symptom Content LCD TV A30 ② ① < XXLA965V -ZA > E. Etc 2013.01.31 Copyright © 2013 LG [...]