LG 55LB6700 Manual

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LED LCD TV

サービスマニュアル

CHASSIS : LE42B

MODEL : 55LB6700

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

P/NO : MFL67987401 (1404-REV00)

North/Latin America

Europe/Africa

Asia/Oceania

55LB6700-JA

Internal Use Only

http://aic.lgservice.com

http://eic.lgservice.com

http://biz.lgservice.com

Printed in Korea

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Summary of Contents for LG 55LB6700

Page 1 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 サービスマニュアル CHASSIS : LE42B MODEL : 55LB6700 55LB6700-JA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL67987401 (1404-REV00) Printed in Korea...
Page 2: Table Of Contents
安全上の注意事項 ......................3 サービス上の注意事項 ..................... 4 仕様 ............................6 調整方法 ..........................10 ブロック図 .......................... 19 分解図 ..........................24 サービスシート ........................Copyright © LG Electronics. Inc. All rights reserved. - 2 - LGE Internal Use Only Only for training and service purposes...
Page 3: 安全上の注意事項
測定リードを、アンテナ端子やヘッドホンジャックなどの露出金属部に順番に接触させて抵抗値を測定します。 1.5 kΩ/10W 露出金属部とシャーシとの間に帰路抵抗器が存在する場合、抵抗計の指示は1 ～ 5.2 MΩの範囲となります。この帰路抵抗器が存在しない場合、抵抗計の指示は無限大です。なんらかの異常が認められた場合は、受信機をユーザーに返却する前に、その異常を修復する必要があります。 Copyright © LG Electronics. Inc. All rights reserved. - 3 - LGE Internal Use Only Only for training and service purposes...
Page 4: サービス上の注意事項
1. 半導体部品や半導体を使用したアセンブリを扱う直前に、接地されていることがわかっている部分に触れて体内に蓄積されている静電気を放電させます。または、市販の放電用リストストラップを装着します。感電の危険を防止するために、テスト中に製品などに通電する場合は、このストラップは外してください。 2. ES 部品を使用した電気系アセンブリを取り外した後、それをアルミホイルのような導電性の表面上に置きます。これにより、静電荷の蓄積が発生せず、静電気にさらされることもなくなります。 Copyright © LG Electronics. Inc. All rights reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
Page 5 ジャンパ線を部品のリードに巻き付けてしっかり固定し、はんだけします。付けします。 5. プリント基板の銅箔面側を検査して、元からあるリードが確実には注意 : この絶縁被覆付きジャンパ線は、部品や鋭い縁に接触しなんだ付けされていることを確認します。はんだ表面に輝きがない場いように引き回してください。合は、はんだを加熱していったん溶かし、はんだ付けし直します。必要に応じて、はんだを追加してください。 Copyright © LG Electronics. Inc. All rights reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
Page 7 HDTV 1080P 1920*1080 33.75 30.00 79.20 HDTV 1080P 1920*1080 67.432 59.94 148.350 HDTV 1080P 1920*1080 67.5 60.00 148.5 HDTV 1080P Copyright © LG Electronics. Inc. All rights reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
Page 8 サイドバイサイド（ハーフ）、 1920*1080 56.250 148.5 HDTV 1080P トップアンドボトム、チェッカーボード、シングルフレームシーケンシャル行インターリーブ、列インターリーブ, Copyright © LG Electronics. Inc. All rights reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
Page 9 プライマリ（HDTV 720P）ラインオルタネイティブ (HDTV 720P） 44.96 / 45 59.94 / 60 148.35/148.5 サイドバイサイド（フル）（HDTV 720P） Copyright © LG Electronics. Inc. All rights reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
Page 10 67.43 / 67.5 59.94 / 60 148.35/148.50 フレームパッキングプライマリ（HDTV 1080P）ラインオルタネイティブセカンダリ（HDTV 1080P） 883, 115 Copyright © LG Electronics. Inc. All rights reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
Page 11 HDTV 1080P 1920*1080 33.75 30.00 74.25 HDTV 1080P 1920*1080 67.50 60.00 148.5 HDTV 1080P 1920*1080 56.250 148.5 HDTV 1080P Copyright © LG Electronics. Inc. All rights reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
Page 12 トップアンドボトム*、チェッカーボード* 行インターリーブ、列インターリーブ（写真：サイドバイサイド（ハーフ）、トップアンドボトム）（“*” 3Dサポートモード、手動および自動） Copyright © LG Electronics. Inc. All rights reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
Page 13: 調整方法
(4) インテリジェントセンサー検査ガイド=>使用しない (6) OKまたはNGを確認します。 (5) プリセットチャンネル情報 (6) 内部プリセットテスト (7) 出力条件の調整 (8) 音響仕様 (9) ファクタリングオプションデータ入力 Copyright © LG Electronics. Inc. All rights reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
Page 14 (3) 調整用リモコンのPower Only （電源のみ）キーを押します。表示されます。 (4) 実行をクリックし、 [OK]または[NG]を確認します。 (4) ダウンロードが完了すると、 DCオフからDCオンに切り替わります。 (5) TVをオンにして、更新されたソフトウェアバージョンとツールオプションを確認します。 Copyright © LG Electronics. Inc. All rights reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
Page 15 AI 00 40 （ DFTコマンド） 18V LED 18V LED 22KHZ LED 22KHZ LED 13V LED 13V LED 周波数蕪 LED 周波数蕪 LED Copyright © LG Electronics. Inc. All rights reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
Page 16 EDID Block 0, Bytes 0-127 #HDMI2 (C/S:75 A7) EDID Block 0, Bytes 0-127 EDID Block 1, Bytes 128-255 EDID Block 1, Bytes 128-255 Copyright © LG Electronics. Inc. All rights reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
Page 17: Lcd Tv
- RGB LED （MNT）： CH-16 RFレシーババー：xx.xx.xx 5. EDID - OLED : CH-17 ジョン - 自動ホワイトバランス調整装置（自動調整用） Copyright © LG Electronics. Inc. All rights reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
Page 18 (9) R/G/Bゲインを調整します（◀/▶ （VOL ＋/－）キーを使用）。 ⅱ） Gを減らしてx値を調整します。 (10) 3つのモード（高/中/低）すべてを調整します。 R/G/Bゲインのいずれかを修正してその他を変更します。 (11) 調整が完了したら、 “COPY ALL”と入力します。 (12) リモコンのEXIT （終了）キーを押して調整モードを終了します。 Copyright © LG Electronics. Inc. All rights reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
Page 19 (2) モデル： LB57xx、 LB58xxモデル(通常ライン/1月～2月)。高中低エイジングステ時間ージ（最小） 10-19 20-35 36-49 ※調整する場合は、以下のように環境を整えてください。 50-79 80-119 Over 120 Copyright © LG Electronics. Inc. All rights reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
Page 20 100 mA、 1秒（ライン） >FG） 100 mA、 1分（OQC）耐電圧（FGなし） 100 mA、 1秒（ライン） 100 mA、 1分（OQC） (2) テレビから音を確認 Copyright © LG Electronics. Inc. All rights reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
Page 21 (3) スピーカからまたはAV＆光学テストプログラムを使用してサウンドをチェックして（それはMSHG-600に接続されている） ※ 備考：電源専用モードで検査して、マスタ機器でSWのバージョンを確認する Copyright © LG Electronics. Inc. All rights reserved. - 21 - LGE Internal Use Only Only for training and service purposes...
Page 27: 分解図
X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright © LG Electronics. Inc. All rights reserved. - 27 - LGE Internal Use Only Only for training and service purposes...
Page 28 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR M14 Symbol A THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. M14-Peripheral Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 29 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR M14 Symbol B THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. M14-Display In/Out Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 30 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR M14 Symbol C THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. M14-AV In/Out Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 31 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR M14 DDR3-M0 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 32 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR M14 DDR3-M1 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 33 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR VCC & GND THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 11/05/31 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 34 2013.03.22 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. PCMCIA Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 35 2013.03.22 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR POWER THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 36 2013.03.22 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. MICOM Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 37 2013.03.22 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. HDMI Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 38 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR AV JACK THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 39 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. IR / KEY Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 40 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR USB 2 & 3 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 41 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR USB 1(DVR) THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 42 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 43 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 44 2012-09-12 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR ETHERNET THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 45 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR AUDIO[ST] THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 46 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR SCART AMP THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 47 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 48 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 49 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR B-CAS I/F THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 50 TUNER 2012.07.10 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 51 TU_SYMBOL 2012.09.14 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 52 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 53 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LVDS INTERFACE Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 54 LOCAL DIMMING 2012.09.14 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 55 2013.04.03 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. T-Con Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 56 11.09.29 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 57 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR IR Blaster/Boost THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 58 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 59 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 60 東京都港区赤坂 2-17-22 赤坂ツインタワー本館9階〒107-8512 電話 : 03-3588-1912 (代表)
Page 61 2014 LED/LCD TV Engineering guide < Applicable Model – Mid end > < Applicable Model Mid end > XXLB6700-JA XXLB6500-JA Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 62 7. New sub assy’s - Instruction of new sub assy’s - How to use tool - Download 8 Repair guide 8. Repair guide Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 63 - Instruction of new sub assy’s Instruction of new sub assy’s - How to use tool - Download 8. Repair guide Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 64 (60Hz) WiFi Ready, BT Ready 스마트 소형 LB4900 소형 스마트, Case Top Case Edge Edge (29 ↓) (29”↓) F/HD F/HD 외관화 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 65 6. Structure of TV set and connection of sub assy’s 7. New sub assy’s - Instruction of new sub assy’s - How to use tool - Download 8. Repair guide Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 66 Standard of 2014 Model Name 14년 Mid JAPAN 년 Model Description of Tool Options Description of Tool Options 14년 Tool option 정리 - 6/83 - Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 67 6. Structure of TV set and connection of sub assy’s 7. New sub assy’s - Instruction of new sub assy’s - How to use tool - Download 8. Repair guide Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 70 6. Structure of TV set and connection of sub assy’s 7. New sub assy’s - Instruction of new sub assy’s - How to use tool - Download 8. Repair guide Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 71 Micom for Key/IR sensing WiFi + BT(Magic Remocon receiver) Audio AMP (12W+12W) EPI Wafer Front Spk 1. Key + IR 2. WIFI + BT Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 72 Audio AMP (10W+10W) EPI or LVDS Wafer 32” : EPI 60” : LVDS Front Spk 1. Key + IR 2. WIFI + BT Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 73 - Instruction of new sub assy’s Instruction of new sub assy’s - How to use tool - Download 8. Repair guide Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 74 OPTIC SPDIF OUT LOGO LIGHT ETHERNET #EPI & LVDS Diagram Micom I2C 3 X_TAL (RENESAS 25MHz R5F1000G) X TAL X_TAL 32.768KHz Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 75 IR / KEY/EYE +3.3V_TUNER +3.3V_NORMAL 3.3KΩ 3.3KΩ I2C_SDA2 I2C_SDA5 IC7703 33Ω 33Ω TUNER (Demod) I2C_SCL2 PMIC I2C_SCL5 P7400 33Ω Local dimming Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 77 AJ28 [STP11_SOP] [S_SYNC] 42 FE_DEMOD3_TS_CLK AH28 [STPI1_CLK] [S_MCLK] 43 FE_DEMOD3_TS_VAL AK30 [STPI1_VAL] [S VALID] 44 [S_VALID] 44 FE_DEMOD3_TS_DATA AG27 [STPI1_DATA] [S_DATA] 45 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 78 COMP2 Pb __ _ IN SOC [PB2_IN] COMP1_Pr COMP2_PR_IN_SOC [PR2_IN] COMP1/AV1/DVI_L_IN AUAD_L_CH3_IN [AUDA_L_CH3_IN] COMP1/AV1/DVI_R_IN AUAD_R_CH3_IN [AUDA_R_CH3_IN] IC101 Tuner ISDB-T [FE_DEMOD2_TS] ISDB-S [FE_DEMOD3_TS] Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 79 IC6100 HP L/ROUT MAIN HP_L/ROUT_MAIN HP L/ROUT AMP HP_L/ROUT_AMP [AUDA_OUTL] HEAD PHONE TPA6138A2PWR [AUDA-OUTR] HP AMP JK3403 SPDIF_OUT [IEC9580UT] JK3401 JK3401 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 80 HDMI HPD HDMI_HPD HDMI3 HDMI3 with MHL with MHL Q3001 5V_HDMI_4 5V_NORMAL HDMI_CEC MHL_DET X-tal RENESAS WOL_CTL 32 768kH 32.768kHz MICOM MICOM Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 81 EPI Tx Block GMA4/GMA5/GAM7/GMA12/GMA14/GMA15 VGH_ODD/EVEN,VST,GIP_RST VCOM 1/2 - Top/Bottom CLK1~CLK6 VCOMLFB OP AMP VCOMRFB CLK1~CLK6 VGH_ODD/EVEN,VST,GIP_RST GMA4/GMA5/GAM7/GMA12/GMA14/GMA15 EPI CH5/6/7/8+/- EPI_LOCK8 EPI_LOCK8 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 82 /USB OCD3 /USB_OCD3 [EB_CS1] USB_CTL3 [EB_CS0] WIFI-BT_DM [USB2 0 DP0] [USB2_0_DP0] WIFI-BT_DP WIFI-BT [USB2_0_DM0] EYY_SCL EYE_SDA IR-KEY Micom IC101 -EYE KEY1 KEY2 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 83 - Instruction of new sub assy’s Instruction of new sub assy’s - How to use tool - Download 8. Repair guide Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 84 Main / Module EPI Cable LED driver / PSU 10Pin IR+key Cable 8Pi WIFI/BT A 8Pin WIFI/BT Assy Cable C bl SPK Cable Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 85 Main / Module EPI Cable LED driver / PSU 10Pin IR+key Cable 8Pi WIFI/BT A 8Pin WIFI/BT Assy Cable C bl SPK Cable Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 86 Main / Module LVDS Cable LED driver / PSU 10Pin IR+key Cable 8Pi WIFI/BT A 8Pin WIFI/BT Assy Cable C bl SPK Cable Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 87 - Instruction of new sub assy’s Instruction of new sub assy’s - How to use tool - Download 8. Repair guide Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 88 • Motion Data : gyro, accelerometer gy , Voice Data Transmission • Period : 10msec • Voice sampling : 16khz 16bit Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 89 X-tal 37 4 MHz 37.4 MHz USB 2.0 Connector WiFi / Bluetooth Combo Module b M d l Bluetooth Remote control Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 90 5 sec. • After unpairing, LED should be blinked for 3sec. • The remote just becomes to IR mode. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 91 RTC6603 2.4G/5G USB DP, DN BCM43232 RX/TX RX/TX Switch Antenna Crystal RTC6608O 2.4G/5G 37.4MHz BT TX BT TX Antenna RFLPF1608 2.4G Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 93 6. Structure of TV set and connection of sub ass’ys 7. New sub ass’ys - Instruction of new sub ass’ys - How to use tool - Download 8. Repair guide Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 94 First of all, Check whether there is SVC Bulletin in GCSC System for these model. k h th i SVC B ll ti i GCSC S t Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 95: Video Error_Color Error
Exchange LED driver Board (PSU) A-3/5 Module Exchange Module itself (1) A-4/5 Exchange Module itself (2) A-5/5 Continue to the next page Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 96 Always check & record S/W Version and White Replace Main Board Re-enter White Balance value Balance value before replacing the Main Board Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 97 No Video/ replace voltage? ( 3.5V,12V,20V or 24V…) No audio No audio MAIN B/D MAIN B/D Replace Power Board and repair parts Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 98 Normal Contact with signal distributor Tuner soldering or broadcaster (Cable or Air) Picture? Normal Picture? Replace Replace Main B/D Close Close Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 99 Change satellite setting signal distributor Normal (match with installed ANT) or broadcaster Picture? (Cable or Air) Normal Picture? Close Close Close Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 100 Request repair for external device/cable Check external External device HDMI/DVI device and /Cable Replace Main B/D error cable normal Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 101 (Check normal operation of Replace Screen External Input, Component, Main B/D normal? RGB and HDMI/DVI by connecting Jig, pattern Generator ,Set-top Box etc. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 102 Normal ※ Replace Main B/D voltage? Close Normal Check ST-BY 3.5V voltage? ☞A18 Replace Power B/D Replace Power B/D Replace Power Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 103 Power off by unknown status except listed case "POWEROFF_ABNORMAL1" Power off by abnormal status except CPU trouble Abnormal "POWEROFF_CPUABNORMAL" Power off by CPU Abnormal Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 104 Speaker off Cancel OFF Replace Power Board and repair parts Check Speaker Disconnection Replace MAIN Board disconnection Replace Speaker Replace Speaker Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 105 Input signal error) Connect and check Normal Check and fix other external device audio? external device Check and fix external device Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 106 If R/C operate, Normal Close Explain the customer operating? cause is interference cause is interference from light in room. Replace R/C Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 107 RGB,HDMI/ Check and fix DVI, Optical Replace Main B/D Fix in external device/cable Recognition error accordance with technical ith t information Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 108 ※ Describe the basis of the description in (For models without any fix information, provide “Part related to nose” in the Owner’s Manual. the description) Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 109 Replace module Adjust VCOM exterior damage damage ☞A28 Cabinet Replace cabinet damage Remote controller Replace remote controller damage Stand Replace stand dent Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 110 D. Function error_ No response in remote Remote controller operation checking method controller key error controller, key error D. VCOM Adjustment Sequence of the Vcom adjustment Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 111 3. After recording the R, G, B (GAIN, Cut) value of Color Temp (Cool/Medium/Warm), re- th R G B (GAIN C t) f C l l/M di enter the value after replacing the MAIN BOARD. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 112 (Power Board ↔ Main Board) - 공통 SMAW200-H24S5 Power on INV_ON 3.5V PDIM #1 3.5V 3.5V PDIM #2 PDIM #2 18pin L/DIM0_VS L/DIM0_MOSI L/DIM0_SCLK Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 113 <ALL MODELS> MENU Channel Channel Scan Antenna Setting Satellite When the signal is strong, use the attenuator (-10dB, -15dB, -20dB etc.) Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 114 1. Checking method for remote controller for adjustment Version Press the IN-START with the remote ess t e t t e e ote controller for adjustment Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 115 LCD TV connection diagram (1) date date <ALL MODELS> As the part connecting to the external input, check the screen condition by signal Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 116 1. Check the signal strength or check whether the screen is normal when the external device is connected. 2. After measuring each voltage from power supply, finally replace the MAIN BOARD. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 117 Checking item : 1. Defective pixel 2. Residual image 3. MODULE error (ADD-BAR,SCAN BAR..) 4.Video error (Classification of MODULE or Main-B/D!) Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 118 Solder defect, CNT Broken t CNT B k T-Con Defect, CNT Broken Abnormal Power Section Solder defect, Short/Crack Solder defect, Short/Crack Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 119 Abnormal Power Section Solder defect, Short/Crack Abnormal Display Fuse Open, Abnormal power section Solder defect, Short/Crack Solder defect, Short/Crack Noise GRADATION GRADATION Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 120 Appendix : Exchange PSU(LED driver) A-3/5 No Light Dim Light Dim Light Dim Light Dim Light Dim Light No picture/Sound Ok Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 121 Panel Mura, Light leakage Press damage Crosstalk Press damage Crosstalk Un-repairable Cases In this case please exchange the module. Press damage Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 122 Un-repairable Cases In this case please exchange the module. Horizontal Block Horizontal Block Gate TAB IC Defect Gate TAB IC Defect Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 123 2013. 11 .30 symptom LCD TV date Revised Content Check front display LED date date ST-BY condition: On Power ON condition: Off Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 124 (Power Board ↔ Main Board) - 공통 SMAW200-H24S5 SMAW200-H24S5 Power on INV_ON 3.5V PDIM #1 3.5V 3.5V PDIM #2 18pin L/DIM0_VS L/DIM0_MOSI L/DIM0_SCLK Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 125 1. Press the IN-START button of the remote controller for adjustment for adjustment 2. Check the entry into adjustment item 3 Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 126 2 Select the AUDIO function of the Menu 2. Select the AUDIO function of the Menu 3. Select TV Speaker Or Other Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 127 ③ Connect the tester RX1 to the speaker terminal and if you hear the “Chik Chik” sound when you touch the GND and output terminal, the speaker is normal. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 128 When checking the Pre-Amp when the power is in ON condition, it is normal when the Analog Tester needle moves slowly, and defective when it does not move at all. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 129 ■ Push the OK key to store the value. Then the message “Saving OK” is pop. ■ Press the exit key to finish V-COM adjustment. Copyright ⓒ 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

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