Instruction/ maintenance manual of the product 65LA970V/W/9-ZA LG Electronics
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Printed in Korea P/NO : MFL67733210 (1308-REV00) CHASSIS : LD34N MODEL: 65LA970V/W/9 65LA970V/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.
- 2 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes CONTENTS CONTENTS .............................................................................................. 2 SAFETY PRECAUTIONS .
- 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 .
- 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.
- 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.
- 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.
- 7 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes No. Item Specication Remarks 2 Broadcasting system 1) P AL-BG/DK/I/I’ 2) .
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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 .
- 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.
- 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.
- 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.
- 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.
- 23 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes A22 A2 A7 A T1 AG1 900 200 CAM1 310 400 410 700 710 540 541 530 120 510 121 5.
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.
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.
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.
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.
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.
THERMAL THERMAL THERMAL THERMAL THERMAL THERMAL THERMAL THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
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.
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.
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.
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.
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.
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 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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LCD TV Repair Guide `13 y ears New Models < Applicable Model > **LA965*- Z* **LA970*- Z* Copyright © 2013 LG Electronics. Inc. All rights reserved.
Main PCB From PSU FRC B /D (UL TRA HD) 1 3 4 1 M ain process or_Digital(LG1152D), DDR Memo ry eMM C Memory 2 3 4 Micom for Key/IR sensing HDMI switch A udio A M P **LA 965*- Z* w ifi Local Key +IR Motion assy Front Spk Pow er 2 Main processor_a nalog(LG 1152A ) 5 5 W oofer 4 Copyright © 2013 LG Electronics.
Main PCB From PSU FRC B /D (UL TRA HD) 1 3 4 1 M ain process or_Digital(LG1152D), DDR Memo ry eMM C Memory 2 3 4 Micom for Key/IR sensing HDMI switch A udio A M P **LA 970*- Z* w ifi Local Key +IR Motion assy Front Spk Pow er 2 Main processor_a nalog(LG 1152A ) 5 5 Built-in Camera Height SPK W oofer 1 3 4 2 5 4 4 Copyright © 2013 LG Electronics.
FRC PCB(UL TRA HD) 1 3 Video processor (LGE7410 :URSA7), DDR Memo ry Flash Memory 2 Video processor Master (PA 168), DDR Memo ry Flash Memory Main B/D 1 2 Pow er From PSU Module Pow er T o T con Video processor S lave (PA 168), DDR Memo ry Flash Memory 3 **LA 965*- Z* **LA 970*- Z* Copyright © 2013 LG Electronics.
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.
H13 Block diagram I2C Map IC3201 SII9587CNUC HDMI_SW IC5800 TAS5733 AMP HEIGHT AR15 [SCL0/GPIO66] AP15 [SDA0/GPIO65] I2C_SDA1 IC5600 TAS5733 AMP MAIN 24 [SCL] 23 [SDA] IC5700 TAS5733 AMP WOOFER 33 Ω 33 Ω IC3000 R5F100GEAFB RENESAS MICOM 3.3k Ω I2C_SCL1 3.
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_VAL] AM36 [TP_DVB_CLK] [D0-7] 20- 27 [+1.
H13 Block diagram COMP1_PR_IN_SOC COMP1_Y_IN_SOC COMP1_PB_IN_SOC COMP1_Y_IN_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.
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/SDA1 MICOM MICOM [AUD_SCART_OUTL/OUTR ] SC_L/R_IN S.
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 A SSY 4 BT MOTION A SSY 5 IR PCB [PCBs] LA 965*- Z* 1 2 5 3 4 6 6 Local Key 7 LED Driver 7 Copyright © 2013 LG Electronics.
1 Main PCB 2 PSU 3 WIFI A SSY 4 BT MOTION A SSY 5 IR PCB [PCBs] LA 970*- Z* 1 2 5 3 4 6 6 Local Key 7 LED Driver 7 7 Interconnection - 1 Copyright © 2013 LG Electronics.
Interconnection – sub PCB( **LA965V Series ) T o Main 3 4 BT MOTION A SSY 5 Local Key PCB 1 IR Key PCB IR PC B WIFI A SSY BT MOTION A SSY WIFI A SSY Copyright © 2013 LG Electronics.
Interconnection – sub PCB( **LA970* Series ) T o Main Sliding SPK unit 3 4 BT MOTION A SSY 5 Local Key PCB 1 IR Key PCB IR PC B WIFI A SSY BT MOTION A SSY WIFI A SSY Sliding SPK control PCB Assy Copyright © 2013 LG Electronics. Inc. All rights reserved.
Contents of LCD TV Standard Re pair Process No. E rror symptom (Hi gh category) Error symptom (Mid category) Page Re marks 1 A. Video err or 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.
Normal audio Y N Move to No video/No audio No video Normal audio Check Back Light On w ith n aked eye On Y N Check Pow er Board 24V, 12V,3.5V etc. Normal voltage Y N Replace T-con/FRC Board or module .
Normal voltage? Check v ariou s voltages of Pow er Board ( 3.5V,12V,20V or 24V…) No Video/ No audio Check and replace MAIN B/D Y Replace Pow er Board and repair parts N End Standard Repair Process A . Video error No video/ No audio ☞ A 18 Established date Revised date 2/16 LCD TV Error symptom 2 2013.
A . Video 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.
Color error? Y N ※ Check and replace Link Cable (EPI) and contact condition Y N Replace M ain B/D Color error? Check error color input mode Check color by input -External Input -COMPO NENT - AV -HDM.
Screen normal? N Y Check external device connecti on conditio n 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 ex ternal device A .
B. Po w er error No power Power LED On? Y N DC Power on by pressing Pow er Key On Remote control Y N Normal operation? Check Power On ‘”High” Check Pow er cord was inserted properly Check Logo L.
B. Power error Off when on, off while viewing, power auto on/off Error? N Y Check Power Off Mode Fix A/C cord & Outlet and check each 3 phase out Check A/C cord Check for all 3- phase power out Ch.
No audio Screen normal Check user menu > Speaker off O ff N Y Cancel OFF Check audio B+ 24V of Power Board Normal voltage Y N Replace Pow er Board and repair parts Check Speaker disconn ection N Y Replace Speaker Replace M AIN Board End C.
→ abnormal audio/discontinuation/noise is same after “Check input signal” compare d to No audio C. Aud io error Wrecked audio/ discontinuation/noise W recked audio/ Discontin uation/ Noise for a.
D. Fu nction 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.
D. Fu nction error MR13 operating checking Y N 2. M R13(Magic Remocon) o perating error Check MR13 itself Operation Normal operating? Normal operating? Y Close Check & Replace Battery of MR13 Is s.
D. F unction error Wifi operating checki ng 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 .
D. F unction error Camera operating checking 4.Camera operating error Check the INSTART menu Camera Ver. is “NG”? Y Check & Repair Camera cable connection N Check the Camera wafer P4200 2pin S.
Check technical inform ation - Fix information - S/W Version N Y Technical information? Check input signal Signal input? Y N External Input and Component Recognitio n error Check and fix external device/cable HDMI/ DVI, Optical Recognitio n error Replace Mai n B/D Replace Mai n B/D Fix in accordanc e with technical informatio n D.
Check location of noise Identify nose ty pe Circuit noise Replace PS U Mechanical noise Check locati on of noise ※ W hen the noise is severe, replace the module (For models with fix information, upg.
Replace module Zoom part w ith exterior damage Module damage Cabinet damage Repl ace 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.
Contents of LCD TV Standard Repair Process Detail T echnical Manual No. Error sym pto m Con ten t Page Rema rks 1 A. Video error_ N o video/Normal audio Check LCD back light with naked eye A1 - 1, A1 -2 2 Check White Balance value A2 4 A.
Contents of LCD TV Standard Repair Process Detail T echnical Manual N o. Error s ymp tom Conte nt Page R emar ks 16 B. Power error_ No power Check front display LED A17-1 A17-2 17 Check power in put Voltage & ST -BY 3.5V A18 18 B. Power error_Off when on, off while viewing POWER OFF MODE checking method A19 19 C.
Established date Standard Repair Process Detail T echnical Manual Revised date A1 -1 Error symptom Content Ch eck LCD back light with naked ey e A . Video error_No v ideo/Normal audio After turning on the power and disassem bling the case, check with the naked ey e, whether you can see lig ht from 2 locations.
Established date Standard Repair Process Detail T echnical Manual Revised date A1 -2 Error symptom Content Ch eck LCD back light with naked ey e A . Video error_No v ideo/Normal audio After turning on the power and disassem bling the case, check with the naked ey e, whether you can see lig ht from 2 locations.
Established date Standard Repair Process Detail T echnical Manual Revised date A2 Error symptom Content Ch eck White Balance value A . Video error_No v ideo/Normal audio LCD TV A2 Entry me thod 1. Press the ADJ button on the remote controller for adjustme nt.
Settings Set up Manual T uning select channel W hen 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 .
Standard Repair Process Detail T echnical Manual LCD-TV Version checking method A . Video error_Video error , video lag/s top 1. Checking method for remote controller for adjustment Press the IN-ST ART with the remote controller for adjustme nt V ersion <ALL M ODELS> A4 Established date Revised date Error symptom Content LCD TV A4 2013.
Checking method: 1. Check the signal strength or check w hether the screen is normal w hen the external dev ice is connected. 2. Aft er measuring each voltage from pow er supply, finally replace the MAIN BOARD. Standard Repair Process Detail T echnical Manual TUNER checking part A .
Standard Repair Process Detail T echnical Manual LCD TV connection diagram (1) A . Video error _V ertic al/Horizontal bar , residual image, light spot A s the part c onnecting to the e xternal input, check the screen condition by signal A6 Established date Revised date Error symptom Content LCD TV A6 <ALL M ODELS> 2013.
Standard Repair Process Detail T echnical Manual Check Link Cable (LVDS) reconnection condition A . Video error_Color error Check the conta ct condition of the Link Cable, especially dust or mis insertion. A7 -1 Established date Revised date Error symptom Content LCD TV A7 -1 <**LA965*-Z*> 2013.
Standard Repair Process Detail T echnical Manual Check Link Cable (LVDS) reconnection condition A . Video error_Color error Check the conta ct condition of the Link Cable, especially dust or mis insertion. A7 Established date Revised date Error symptom Content LCD TV A7 2013.
Standard Repair Process Detail T echnical Manual A djustment T est pattern - A DJ Key A . Video error_Color error Y ou can view 6 ty pes o f patterns using the ADJ Ke y Checking item : 1. Def ective pix el 2. Residual image 3. MODULE error (ADD-BAR,SCAN BAR.
Solder def ect, CNT Broken T -Con Defect, CNT Broken T -Con Defect, CNT Broken T -Con Defect, CNT Broken Solder def ect, CNT Broken Solder defe ct, CNT Broken Solder def ect, CNT Broken Solder def ect.
Abnormal Power Section Solder def ect, Short/Crack Abnormal Power Section Solder def ect, Short/Crack Fuse Open, Abnormal pow er section Noise GRADA TION GRADA TION Abnormal Display A ppendix : Exchange Main Board (2) A - 2/5 Copyright © 2013 LG Electronics.
A ppendix : Exchange Pow er Board (PSU) No Lig ht Dim Lig ht Dim Lig ht Dim Lig ht No picture/Sound Ok A - 3/5 Copyright © 2013 LG Electronics. Inc. All rights reserved.
A ppendix : Exchange the Modul e (1) Panel Mura, Light leakage Press damage Crosstalk Crosstalk Press damage Panel Mura, Light leakage Press damage A - 4/5 Un -repairable Case s In this ca se please exchange the module. Copyright © 2013 LG Electronics.
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 V ertical Block Source T AB IC Defect Horizontal.
Standard Repair Process Detail T echnical Manual Check front Power Indicator B. Po w er error _No pow er A 17-1 Established date Revised date Error symptom Content LCD TV A 17-1 ST -BY condition: On or Of f Power ON condition: T urn Of f 2013.01.31 <**LA965*-Z*> Copyright © 2013 LG Electronics.
Standard Repair Process Detail T echnical Manual Check front Power Indicator B. Po w er error _No pow er A 17-2 Established date Revised date Error symptom Content LCD TV A 17-2 ST -BY condition: On or Of f Power ON condition: T urn Of f 2013.01.31 <**LA970*-Z*> Copyright © 2013 LG Electronics.
Established date Standard Repair Process Detail T echnical Manual Revised date A 18 Error symptom Content Ch eck power input voltage and ST-BY 3.5V B. Power error _No pow er LCD TV A 18 Check the DC 24V , 12V , 3.5V . 18 Pin (Powe r Boar d ↔ Main Board ) 1 Power on 2 INV ON 3 3.
Entry method 1. Press the IN-ST AR T button of the remote controller for adjustme nt 2. Check the entry into adjustment item 3 Standard Repair Process Detail T echnical Manual POWER OFF MODE checking method B.
Checking method 1. Press the Setting button on the remote controller 2. Select the Soun d fu nction of the Menu 3. Select the Soun d Setting 4. Select TV Speaker Standard Repair Process Detail T echnical Manual Checking method in menu when there is no audio C.
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.
P4002 1 GND 2 KEY1 3 KEY2 4 +3.5V_ ST 5 GND 6 LED 7 +3.5V_ ST 8 GND Checking order 1, 2. Check IR cable condition betw een IR & Main board. 3. Check the st-by 3.
P4000 1 +3.5V_W OL 2 +3.3V 3 USB_DM 4 RTS 5 USB_DP 6 RX 7 GND 8 TX 9 WOL 10 RESE T 11 GND 12 CTS 13 NC 14 +3.5V_ST(O LED) 15 IR (OLED ) 16 GND Checking order 1, 2. Check M otion cable condition between Motion assy & Main board. 3. Check the 3.3V on the terminal 2.
Checking order 1, 2. Check W ifi cable condition between W ifi assy & Main board. 3. Check the 3.3V on the terminal 2. Standard Repair Process Detail T echnical Manual Wifi operation checking method A 24 Established date Revised date Error symptom Content LCD TV A 24 D.
Checking order 1, 2. Check Camera cable condition between Camera assy & Main board. 3. Check the 3.5V on the terminal 2. Standard Repair Process Detail T echnical Manual Camera operation checking method A 25 Established date Revised date Error symptom Content LCD TV A 25 D.
Changing method 1. Contact the USB me mory . (U SB 1,2 ,3 jack) 2. Enter the password. (ex . 00000 0) * Acce ss USB Memory has each password. Standard Repair Process Detail T echnical Manual Tool option changing method A 26 Established date Revised date Error symptom Content LCD TV A 26 ② ① < ALL MODELS > E.
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If you already are a holder of LG Electronics 65LA970V/W/9-ZA, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime LG Electronics 65LA970V/W/9-ZA.
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