LG 47LB5810 Page 69 Manual Download

Page: 69 / 91

F. Exterior defect

Established

d t

Error

2014 1 2

Standard Repair Process

F. Exterior defect

Exterior defect

date

Revised date

13/13

LCD TV

Error

symptom

2014.1.2

Replace module

Zoom part with
exterior damage

Module

damage

Cabinet

Adjust VCOM

☞

A28

Cabinet

damage

Replace cabinet

Replace remote controller

Remote

controller

damage

Stand

dent

Replace stand

15 / 97

LGE Internal Use Only

Summary of Contents for 47LB5810

Page 1: ...MODEL 47LB5810 47LB5810 JC CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL LED LCD TV サービスマニュアル North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

Page 3: ...ず受信機筐体の露出金属部アンテナ端子類などからのAC 漏洩電流値を確認しその受信機を使用しても感電の危険がないことを確認してください非通電での漏洩電流確認アンテナコールド側での確認製品のAC プラグをコンセントから抜き AC プラグの端子間をジャンパ線で短絡します製品の電源スイッチをオン位置にしてジャンパ線で短絡した AC プラグの端子に抵抗計の一方の測定リードを接続します他方の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通電状態での漏...

Page 4: ...に立ちます 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 3 ES 部品のはんだ付けやはんだ除去にはこて先が接地されているはんだごてを使用します 4 はんだ除去工具には静電気防止型を使用しますはんだ除去工具によっては静電気防止型ではないものがありますこのような工具を使用すると ES 部品を破壊する量の電荷が生成されることがあります 5 フレオン...

Page 5: ...プリント基板に残った2 本のリードをプリント基板に対して垂直に曲げ伸ばします 3 ダイオードの極性に注意して新しいダイオードのリードをプリント基板上でそのリードに相当するリードに巻き付けます 4 巻き付けた部分をつぶして確実に接触するようにした後はんだ付けします 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ヒューズおよび通常の形式の抵抗の取り外しと交換 Removal Replacement 1 ヒューズや抵抗のリードをプリント基板上の中空上の支柱の上部で切断します 2 交換用部品のリードを支柱上部の切り込みにしっかりと巻き付けます 3 接続部をはんだ付けします注意部品の過熱を防止す...

Page 6: ...テスト方法 3 1 性能 LGE TV テスト方法に準拠 3 2 必要な他の仕様安全 JQA仕様 EMC JQA 4 電気的仕様 4 1 全般仕様番号項目仕様備考 1 ディスプレイ画面デバイス 22 インチカラーディスプレイモジュール解像度 1920 1080 28インチカラーディスプレイモジュール解像度 1366 768 32 インチカラーディスプレイモジュール解像度 1920 1080 42 インチカラーディスプレイモジュール解像度 1920 1080 47 インチカラーディスプレイモジュール 2 画面サイズ 16 9 3 LCDモジュール 22 60 Edge LED 22LB490B JE 22LB491B JA 28 60 Edge LED 28LB491B JA 32 60 Direct LED LC320DUE FGA4 3 ...

Page 7: ...490B 22LB491B 32インチ 718 2 420 2 11 9 25 0 LC320DUE FGA3 4 42インチ 943 6 x 538 3 x 1 4 LC420DUE FGA3 4 47インチ 1055 28 x 601 12 x 1 4 LC470DUE FGA3 4 BOE 28インチ TBD 28LB490B ピクセルピッチ LGD 22インチ 0 08265 RGB H x 24795 V 22LB490B 22LB491B 32インチ 0 36375 x 0 36375 LC320DUE FGA3 4 42インチ 0 4833 x 0 4833 LC420DUE FGA3 4 47インチ 0 5415 x 0 5415 LC470DUE FGA3 4 BOE 28インチ 0 14825 H x 0 44925 V x RGB 28LB490B バックライト ...

Page 8: ...DTV 720P 7 1920 1080 33 72 59 94 74 176 HDTV 1080I 8 1920 1080 33 75 60 00 74 25 HDTV 1080I 9 1920 1080 67 432 59 94 148 350 HDTV 1080P 10 1920 1080 67 5 60 00 148 5 HDTV 1080P 5 2 HDMI入力 5 2 1 DTVモード番号解像度水平周波数 kHz 垂直周波数 Hz ピクセルクロック MHz 推奨備考 1 720 480 31 47 59 94 27 SDTV 480P 2 720 480 31 5 60 00 27 027 SDTV 480P 3 1280 720 44 96 59 94 74 176 HDTV 720P 4 1280 720 45 60 00 74 25 HDTV 720P 5 19...

Page 9: ... EGA 31 2 720 400 31 469 70 08 28 32 DOS 40 3 640 480 31 469 59 94 25 17 VESA VGA 35 4 800 600 37 879 60 317 40 VESA SVGA 46 5 1024 768 48 363 60 004 65 VESA XGA 60 6 1152 864 54 348 60 053 80 002 VESA 71 7 1280 1024 63 981 60 020 108 0 VESA SXGA FHDのみ HDMI PCでサポート 8 1360 768 47 712 60 015 85 50 VESA WXGA 109 9 1920 1080 67 5 60 00 148 50 WUXGA CEA 861D FHDのみ 5 2 3 HDMI EDIDデータ HDMI EDIDデータ調整仕様を参...

Page 10: ...とができます注意 1枚の画像を20分以上維持した場合この画像がほとんど黒レベルの残像として表示されることがあります 3 調整項目 3 1 PCBアセンブリ調整項目 1 Macアドレスのダウンロード LANテスト 2 メインソフトウェアプログラムのダウンロード USBメモリスティックを使用 3 入力ツールオプション 4 EDIDのダウンロードツールオプションの調整時に EDIDデータは自動的にダウンロードされます 5 ADCキャリブレーション RGBおよびコンポーネント 6 ソフトウェアバージョンの確認 3 2 SETアセンブリ調整項目 1 地域オプションの入力 2 ホワイトバランスの調整自動 3 ホワイトバランスの調整手動 4 インテリジェントセンサー検査ガイド使用しない 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...

Page 11: ...ンロードを開始します 4 1 7 PINGテスト LAN動作テスト 4 1 7 1 PCBAの確認 1 LANをPCBAに接続し電源をオンにします 2 調整用リモコンのADJ 調整キーを押します 3 13 ACAP PING TEST と入力しネットワークを確認します 4 1 7 2 セットの確認 1 クロスLANケーブルを使用してTVセットとPCを接続します PC IP 12 12 2 3 2 PINTテストプログラムを実行しプログラムの設定データを確認します TVセットのIP 12 12 2 3 3 調整用リモコンのPower Only 電源のみキーを押します 4 実行をクリックし OK または NG を確認します 4 1 7 WIFI MACアドレスの確認 4 1 7 1 RS232コマンドによる方法コマンドセットACK Transmission A l ...

Page 12: ... 1353 47803 ツールオプションの入力およびACオフ後 PCBAチェックの前にツールオプションを変更し ACをオフにしてからオンにするプラグの抜き差しを行う必要がありますこの処理を怠ると設定が異常になる可能性があります 4 3 1 プロファイルモジュールのメーカーサイズおよび市場に応じて一部の設定値が異なるためオプション値を変更する必要があります 4 3 2 装置調整用リモコン 4 3 3 調整方法この入力方法は他のシャーシと同じです調整用リモコンの ADJ 調整キーを使用オプションを変更しない場合入力メニューでモデル仕様が異なる可能性がありますオプション値については各メインシャーシアッシーのジョブ表現 EBTxxxxxxxx を参照してください注機能検査完了後に IN STOP イン停止キーを押さないでください 4 ...

Page 13: ...す 4 4 1 2D EDIDデータ 4 4 4 1 EDID_DTS HD 適用モデル 28LB49 HDMI1 C S 75 B7 EDID Block 0 Bytes 0 127 EDID Block 1 Bytes 128 255 HDMI2 C S 75 A7 EDID Block 0 Bytes 0 127 EDID Block 1 Bytes 128 255 4 4 4 2 2D EDID_ DTS FHD 適用モデル 47 42 32LB57 HDMI 3 47 42 32LB58 HDMI 3 22LB49 HDMI 2 リファレンス HDMI1 C S E7 CB EDID Block 0 Bytes 0 127 EDID Block 1 Bytes 128 255 HDMI2 C S E7 BB EDID Block 0 Bytes 0 127 EDID Block ...

Page 14: ...F 14 アンテナ 4 ADC調整 OK IPアドレス x x x x 15 RFリモコンテストコンポーネント OK Widevine OK RGB OK RFレシーババージョン xx xx xx 5 EDID OK A Demod F Wバージョン Null RGB OK 0X97 A Demod F Wバージョン Null RGB OK 0X7E 0XC9 デバッグステータス DEBUG HDMI2 OK 0X7E 0XC9 アクセスUSBステータス 0 0 T 0 C HDMI3 OK 0X7E 0XB9 UTT XXX HDMI4 OK 0X7E 0XA9 APP履歴バージョン x x アイQゲイン xxxx PQL DB LGD_X 5 SETアセンブリ調整方法 5 1 地域オプションの入力 1 プロファイル各国の言語および信号条件が異なるため地域オプション...

Page 15: ...選択しますリモコンの CH キーを使用 9 R G Bゲインを調整します VOL キーを使用 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内部パターンを利用できない場合は RF入力を使用します EZ Adj EZ調整メニューの 6 White Balance 6 ホワイトバランスで 2つのテストパターン ON OFF のいずれかを選択できますデフォルトは内部 ON です OFF を選択すると 204 グレーパターンでRF信号を使用して調整できます調整条件と注意事項 1 周囲の照明条件周囲照明は10 lux未満である必要があります調整場所を暗い環境に隔離してください 2 プローブ...

Page 16: ...20 271 270 286 289 314 318 2 モデル LB57xx LB58xxモデル通常ライン 1月 2月ステージエイジング時間最小高中低 X Y X Y X Y 271 270 286 289 314 318 1 0 2 286 295 301 314 329 343 2 3 5 284 290 299 309 327 338 3 6 9 282 287 297 306 325 335 4 10 19 279 283 294 302 322 331 5 20 35 276 278 291 297 319 326 6 36 49 274 275 289 294 317 323 7 50 79 273 272 288 291 316 320 8 80 119 272 271 287 290 315 319 9 Over 120 271 270 286 289 ...

Page 17: ...センサーモジュールから手を離しますセンサーデータの値が 0 から 300 に変わるかどうかを確認します値が変化しない場合はセンサーが故障しています交換する必要があります 5 5 高電位 Hi pot テスト番号項目値単位備考 1 耐電圧 AC FG 1 5 1 5 kV 100 mA 1秒ライン 100 mA 1分 OQC 2 耐電圧 FGなし 3 3 kV 100 mA 1秒ライン 100 mA 1分 OQC 5 6 Wi Fi MACアドレスチェック唯一LB5810モデルの場合 5 6 1 RS232のコマンドを使用したコマンド Set ACK 伝送 A l Set ID 20 Cr O K x or N G 5 6 2 インスタートでメニューをチェック 5 7 HDMIのARC機能検査 5 7 1 試験装置ファイバレシーバスピーカー MSHG...

Page 18: ...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 5 8 MHLテストステップ1 はテレビの電源を入れステップ2 入力メニューを使ってHDMI3モードを選択しますステップ3 MHL入力出力電源コードを使用して MHLのジグ M1S0D3617 を設定しますステップ4 MHLジグとHDMI3ポートの間にHDMIケーブルを接続しますステップ5 ジグとセットのモジュールのLEDライトをチェック結果 LEDライトが緑色に点灯しモジュールは通常のストリームが表示されている場合 OK Eles NG 注意機能検査を完了した後INSTOPキーを押さないでください ...

Page 19: ...000G DDR3 1600 X 16 256MB X 1EA P_TS X_TAL 27MHz T C S2 Without ATV A B HDCP EEPROM 16Kb X_TAL 32 768KHz I2S Out I2C_1 LVDS USB TUNNER I2C_5 I2C_1 H P AV COMP Tuner I2C_6 LNB I2C_4 OCP 1 5A 2CH OCP 1 5A HDD R E A R S I D E S I D E R E A R H AMP TPA CVBS YPbPr CVBS RGB SPDIF OUT ETHERNET I2C_3 M_REMOTE WIFI Joystick Key 0 IR SUB ASSY M_REMOTE _Ready KEY IR WIFI B I SIL1292 MHL Demod I2C_4 TUNER 지상 ...

Page 20: ...P 1_Y AV1_CVBS CO MP 1_Pb CO MP 1_Pr CO MP 1 AV1 DVI_L_IN CO MP 1 AV1 DVI_R_IN CO MP 1_Y AV1_CVBS_SOC CO MP 1_Pb_SOC PB0P PR0P AIN4_L_AADC CO MP 1_Pb_SOC CO MP 1 AV1 DVI_L_IN_SOC AIN4_R_AADC CO MP 1 AV1 DVI_R_IN_SOC TU_ CVBS TUNE R_SIF IF_P N CVBS1P MPXP ADCINP_DEMOD ADCINN_DEMOD TU_ CVBS TUNE R_SIF IF_P N S er ial TS ERROR VAL SYNC CLK S er ial TS ERROR VAL SYNC CLK ...

Page 21: ...DIF0 Tuner T R BUF M PXP A UD _LRCH H P _LOUT HP_ROUT H E AD PHONE L P F 4P WA FER AL0_ADAC AR0_ADAC M13 MT5398 TUNE R_SIF A O LRCK A O SDATA0 A UD _LRCK A UD _SCK A O BCK S TB_SDA S TB_SCL I2C_ SDA1 I2C_ SCL1 IC 3000 M ICOM A M P_MUTE A I N4_L_AADC A I N4_R_AADC JK501 A UD _MASTER_CLK A OMCLK O P CTRL4 A MP _RESET_N IC 6100 T PA6138A2PWR HP AM P JK3602 JK3700 L P F SPEAKER_L SPEAKER_R WOOFER LPF내...

Page 22: ...I3 CEC_REMOTE RENESAS MICOM HDMI_CEC MTK A2 Q3001 DDC_SCL_1_SOC DDC_SCL_2_JACK DDC_SDA_2_JACK DDC_SCL_3_JACK DDC_SDA_3_JACK TMDS Link 8bits HDMI_ARC DDC_SDA_1_SOC X tal 32 768kHz TMDS Link 8bits TMDS Link 8bits WOL_CTL SIL1292 IC3304 DDC_SCL_4_JACK DDC_SDA_MHL DDC_SCL_MHL D0 _HDMI4_MHL CK _HDMI4_MHL MHL OCP IC3301 MHL_DET 5V_MHL ...

Page 23: ...IC4306 1 5A 5V_USB_1 5V_USB_2 USB_OCD1 USB_CTL1 USB_CTL2 USB_OCD2 WIFI_DM WIFI_DP Motion Remote Receiver USB Dongle_Ready M_REMOTE_RX M_REMOTE_TX M_RFModule_RESET U1RX U1TX OPCTRL49 OPCTRL50 USB_DM_P3 USB_DP_P3 RENESAS MICOM U0TX U0RX SOC_TX SOC_RX USB_DP3 5V_USB_3 USB_CTL3 USB_OCD3 USB_DM_P1 USB_DP_P1 GPIO42 TCON12 USB_DM_P0 USB_DP_P0 USB3 USB_DM3 GPIO44 ADIN2_SRV CTS RTS ADIN4_SRV 4Pin debugging...

Page 24: ...e parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFETY NOTICE 900 200 400 410 540 521 830 530 820 501 500 120 310 121 LV1 A2 70...

Page 25: ...57 AH7 VCCK_58 AJ7 VCCK_59 AK7 VCCK_60 AL7 VCCK_61 AM7 VCCK_62 AN7 VCCK_63 L16 VCCK_64 V12 VCCK_65 U12 VCCK_66 T12 VCCK_67 AD13 VCCK_68 AD17 VCCK_69 AD14 VCCK_70 AB12 VCCK_71 AA12 VCCK_72 AC12 VCC3IO_C T9 VCC3IO_B_1 Y10 VCC3IO_B_2 AA10 VCC3IO_A_1 D22 VCC3IO_A_2 E22 DVSS_1 AC18 DVSS_2 AB21 DVSS_3 AB14 DVSS_4 N13 DVSS_5 P13 DVSS_6 R13 DVSS_7 T13 DVSS_8 U13 DVSS_9 V13 DVSS_10 W13 DVSS_11 Y13 DVSS_12 ...

Page 26: ...F OPT C616 0 047uF EU R600 EU 0 C609 10uF 16V EU SCART_Rout_SOC R617 100 EU C613 0 01uF EU SC_CVBS_IN_IF R622 100 EU SC_L_IN SC_CVBS_IN_IF SCART_Lout_SOC R602 470K OPT SC_CVBS_IN_SOC SC_B DTV MNT_V_OUT SC_G SC_COM_SOC L611 EU 120 ohm R606 75 1 EU R625 30K EU R613 10K EU C602 330pF 50V OPT TU_CVBS C606 10pF EU R624 0 1 16W 5 EU DTV MNT_V_OUT_SOC R620 100 EU SC_R_IN_SOC SC_ID R621 100 EU SC_G_SOC SC...

Page 27: ...41K128M16JT 125 K IC701 3 DDR_256MB_MICRON A0 N3 A1 P7 A2 P3 A3 N2 A4 P8 A5 P2 A6 R8 A7 R2 A8 T8 A9 R3 A10 AP L7 A11 R7 A12 BC N7 A13 T3 NC_5 M7 BA0 M2 BA1 N8 BA2 M3 CK J7 CK K7 CKE K9 CS L2 ODT K1 RAS J3 CAS K3 WE L3 RESET T2 DQSL F3 DQSL G3 DQSU C7 DQSU B7 DML E7 DMU D3 DQ0 E3 DQ1 F7 DQ2 F2 DQ3 F8 DQ4 H3 DQ5 H8 DQ6 G2 DQ7 H7 DQ8 D7 DQ9 C3 DQ10 C8 DQ11 C2 DQ12 A7 DQ13 A2 DQ14 B8 DQ15 A3 VREFCA M8...

Page 28: ...ADDR 5 R916 47 CI R926 0 OPT R931 22 OPT PCM_CE1 R907 47 CI R940 22 CI CI_VS1 C902 12pF 50V OPT R922 22 CI PCM_CE2 R936 10K CI CI_DATA 0 7 CI_VS1 CI_A_VS1 CI_VS1 CI_A_ADDR 13 CI_IN_TS_SYNC R918 47K CI R927 100 CI CI_A_ADDR 3 PCM_OE R900 10K OPT C900 12pF 50V OPT C907 0 1uF 16V CI MT5398_TS_OUT 0 7 CI_TS_DATA 2 R911 22 CI PCM_WAIT R913 47K CI 5V_CI_ON CI_A_ADDR 9 R929 10K CI R917 47 CI CI_TS_SYNC P...

Page 29: ...TIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SPDIF_OUT C3602 0 1uF 16V R3611 2 7K OPT JK3602 JST1223 001 1 GND 2 VCC 3 VINPUT 4 FIX_POLE 3 3V_NORMAL R3610 33 36 JACK HIGH MID 2011 11 21 SPDIF SPDIF OUT Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 30: ...T ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC R3700 10K HP_LOUT HP_ROUT 3 3V_NORMAL HP_DET JK3700 PEJ034 01 6B T_TERMINAL2 7B B_TERMINAL2 5 T_SPRING 4 R_SPRING 3 E_SPRING R3701 1K 37 JACK_COMMON 2011 11 21 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 31: ...F 10V WIFI R4133 10K OPT WIFI_DP WIFI_DM P4101 12507WR 08L NON_EYE_Q_8P 1 GND 2 KEY1 3 KEY2 4 3 5V_ST 5 GND 6 LOGO LED_R 7 IR 8 GND 9 L4100 BLM18PG121SN1D M_RFModule_RESET LOGO_LIGHT R4113 100 C4104 1000pF 50V R4118 10K 5 C4107 100pF 50V R4125 10K LED_R C4112 10uF 10V WIFI KEY2 IR C4120 0 1uF 16V LOGO_LIGHT KEY1 3 5V_ST_WAKE D4100 5 6V AMOTECH CO LTD OPT R4136 22 WIFI WOL WIFI_POWER_ON P4102 12507...

Page 32: ... EU JK4600 PSC008 01 EU 1 AUDIO_R_OUT 2 AUDIO_R_IN 3 AUDIO_L_OUT 4 AUDIO_GND 5 B_GND 6 AUDIO_L_IN 7 B_OUT 8 ID 9 G_GND 10 D2B_IN 11 G_OUT 12 D2B_OUT 13 R_GND 14 RGB_GND 15 R_OUT 16 RGB_IO 17 SYNC_GND1 18 SYNC_GND2 19 SYNC_OUT 20 SYNC_IN 21 COM_GND 22 AV_DET SC_G C4604 0 1uF EU DTV MNT_V_OUT R4601 10K EU VA4604 5 5V OPT VA4605 5 5V OPT DTV MNT_R_OUT VA4606 5 6V OPT 3 3V_NORMAL SC_R SC_L_IN DTV MNT_...

Page 33: ...K SPK_L C5417 22000pF 50V 0 1uF C5401 50V I2C_SDA1 0 1uF C5419 50V C5435 0 47uF 50V SPK_L Q5400 MMBT3904 NXP AMP_MUTE_MICOM E B C C5429 390pF 50V C5404 1000pF 50V R5416 5 1K L5404 1 NRS6045T100MMGK Audio_Coil_TAIYO 10 0uH L5405 1 NRS6045T100MMGK Audio_Coil_TAIYO 10 0uH L5402 1 NRS6045T100MMGK Audio_Coil_TAIYO 10 0uH L5403 1 NRS6045T100MMGK Audio_Coil_TAIYO 10 0uH 1uF C5412 10V L5404 LPH6045T 100M ...

Page 34: ... MNT_L_OUT R6002 470K OPT Q6000 MMBT3904 NXP EU E B C R6000 2 2K EU 12V C6007 6800pF OPT SCART_AMP_L_FB R6010 470K OPT C6000 1uF 25V EU R6004 33K EU DTV MNT_R_OUT C6002 6800pF OPT Q6001 MMBT3904 NXP EU E B C L6000 EU SCART_Rout SCART_AMP_R_FB IC6000 AZ4580MTR E1 EU 3 IN1 2 IN1 4 VEE 1 OUT1 5 IN2 6 IN2 7 OUT2 8 VCC R6011 2 2K EU Q6002 RT1P141C T112 EU_SCART_MUTE_ISAHAYA E B C R6014 1K EU R6013 1K E...

Page 35: ... R6103 33K HP_OUT_MTK C6102 1uF 10V HP_OUT R6105 4 7K HP_OUT C6103 1uF 10V HP_OUT HP_ROUT_MAIN L6100 120 ohm HP_OUT BLM18PG121SN1D C6104 180pF HP_OUT_MTK R6106 43K 1 HP_OUT C6107 0 1uF 16V HP_OUT C6109 180pF HP_OUT_MTK R6102 33K HP_OUT_MTK HP_ROUT_AMP C6104 1 18pF HP_OUT_H13 C6109 1 18pF HP_OUT_H13 C6108 10pF 50V HP_OUT C6106 10pF 50V HP_OUT IC6100 TPA6138A2 HP_OUT 3 OUTR 2 INR 4 GND_1 1 INR 6 VSS...

Page 36: ...UFACTURES SPECIFIED 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 10K CI PCM_5V_CTL IC6200 AP2151WG 7 CI 3 FLG 2 GND 4 EN 1 OUT 5 IN R6219 10K CI 62 CI SLOT 2011 10 31 CI POWER ENABLE CONTROL Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 37: ...4 CGND 15 CLK 16 RST 17 VCC 18 PORADJ 19 CMDVCC 20 RSTIN 21 VDD 22 GND 23 OFF 24 XTAL1 25 XTAL2 26 I OUC 27 AUX1UC 28 AUX2UC R6309 22 JAPAN 3 3V_NORMAL C6300 0 1uF 16V JAPAN C6303 0 1uF 16V JAPAN L6300 BLM18PG121SN1D JAPAN R6312 10K JAPAN R6311 22 JAPAN SMARTCARD_DATA SD_EMMC_CLK C6307 0 33uF 16V JAPAN 5V_NORMAL R6303 OPT 3 3V_NORMAL 3 3V_NORMAL R6304 2 7K JAPAN R6306 OPT R6314 1K JAPAN C6306 0 1u...

Page 38: ... TDJH G101D TU6601 DEV_TU_DVB_T C 47 SHIELD 6 IF P 7 IF N 8 NC_2 9 NC_3 1 B1 3 3V 2 NC_1 3 IF_AGC 4 SCL 5 SDA A1 A1 B1 B1 TU6602 TDJM G101D DEV_TU_DVB_T2 C S2 1 B1 3 3V 2 NC_1 3 AIF_AGC 4 SCL_RF 5 SDA_RF 6 AIF P 7 AIF N 8 NC_2 9 NC_3 10 NC_4 11 B2 3 3V 12 ERROR 13 GND_1 14 MCLK 15 SYNC 16 VALID 17 D0 18 D1 19 D2 20 D3 21 D4 22 D5 23 D6 24 D7 25 RESET_DEMOD 26 B3 3 3V 27 SCL_DEMOD 28 B4 1 1V 29 F22...

Page 39: ... 40V LNB_SMAB34 LNB_TX C6904 0 1uF 50V LNB C6908 0 1uF LNB C6909 10uF 25V LNB C6912 0 1uF LNB C6902 0 22uF 25V LNB I2C_SCL4 C6901 33pF LNB IC6900 A8303SESTR T LNB 1 VCP 3 NC_1 7 SCL 9 ADD 10 TONECTRL 11 TCAP 12 ISET 13 VREG 14 GND 15 VIN 16 LX 17 GNDLX 18 NC_2 19 NC_3 20 BOOST 5 TDO 8 SDA 6 IRQ 4 TDI 2 LNB 21 EP GND D6901 30V MBR230LSFT1G LNB_Onsemi D6902 30V LNB_Onsemi D6901 1 30V SS23L LNB_TSC D...

Page 40: ... USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC L DIM0_VS_PWR L DIM0_SCLK_PWR R7601 10K L DIM_OUT_8P P7600 12507WR 08L L DIM_OUT_8P 1 2 3 4 5 6 7 8 9 L DIM0_MOSI_PWR R7602 33 L DIM_OUT_8P R7603 33 L DIM_OUT_8P I2C_SCL1 I2C_SDA1 76 LOCAL DIMMING 2011 12 13 To LED DRIVER LOCAL DIMMING Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 41: ..._94 M3 NC_95 M7 NC_96 M8 NC_97 M9 NC_98 M10 NC_99 M11 NC_100 M12 NC_101 M13 NC_102 M14 NC_103 N1 NC_104 N3 NC_105 N6 NC_106 N7 NC_107 N8 NC_108 N9 NC_109 N10 NC_110 N11 NC_111 N12 NC_112 N13 NC_113 N14 NC_114 P1 NC_115 P2 NC_117 P8 NC_118 P9 NC_120 P11 NC_121 P12 NC_122 P13 NC_123 P14 DUMMY_1 DU1 DUMMY_2 DU2 DUMMY_3 DU3 DUMMY_4 DU4 DUMMY_5 DU5 DUMMY_6 DU6 DUMMY_7 DU7 DUMMY_8 DU8 DUMMY_9 DU9 DUMMY_...

Page 42: ...IRE 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 24V_AMP C5450 10uF 35V OPT Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 43: ...TA 0 R8500 0 TU_J_JP FE_DEMOD2_TS_CLK FE_DEMOD1_TS_DATA 2 FE_DEMOD1_TS_VAL FE_DEMOD1_TS_DATA 3 FE_DEMOD1_TS_DATA 1 FE_DEMOD1_TS_DATA 2 R8506 0 TU_J_JP FE_DEMOD1_TS_DATA 1 FE_DEMOD1_TS_SYNC FE_DEMOD3_TS_CLK FE_DEMOD1_TS_SYNC R8504 0 TU_J_JP FE_DEMOD1_TS_DATA 0 R8502 0 TU_J_JP FE_DEMOD3_TS_DATA FE_DEMOD2_TS_VAL R8503 0 TU_J_JP 85 2012 06 15 DEMOD_TSDATA2 EXT2_TS_Val JAPAN TUNER INTERFACE DEMOD_TSDAT...

Page 44: ...100V 1N4148W OTP_WRITE R180 4 7K 3 3V_NORMAL OTP_WRITE VDD3V3 R194 10K R195 10K Q100 PMV48XP G D S C115 1 2 7pF 50V EAX6561020X_2 7pF C114 1 2 7pF 50V EAX6561020X_2 7pF SIL_RESET R153 1 1 5K TU_Q_KR R152 1 1 5K TU_Q_KR C114 1 0pF 50V EAX6561090X_1pF C115 1 0pF 50V EAX6561090X_1pF X100 27MHz 4 GND_2 1 X TAL_1 2 GND_1 3 X TAL_2 RST_HUB RST_HUB CAM_SLIDE_DET CAM_SLIDE_DET R196 240 IC105 LGE2122 A2_M1...

Page 45: ...P327 R372 0 R352 1 2K HP_OUT TP351 SC_R_SOC C371 0 01uF COMP1_Y AV1_CVBS_SOC HDMI_HPD_3_JACK PCM_RST TP339 TXA4N CI_CD2 TU_RESET2 TXC4N MT5398_TS_IN 0 TP314 COMP1_Pr TP341 TP302 D2 _HDMI1_SOC TP381 MT5398_TS_SYNC TP350 C339 560pF 50V OPT D0 _HDMI3_JACK OSCL2 COMP1 AV1 DVI_R_IN_SOC VDD3V3_HDMI C345 10uF 16V C346 10uF 16V R380 1K TU_S N Q_T US KR TW DDC_SDA_MHL 5VBUS HDMI_HPD_4_MHL DDC_SCL_MHL D0 _H...

Page 46: ... 7 COMP 9 SS TR 10 PH_1 11 PH_2 12 PH_3 13 BOOT 14 PWRGD 15 EN 16 VIN_3 5 AGND 8 RT CLK 6 VSENSE 4 GND_2 2 VIN_2 17 EP GND C2417 10uF 35V IC2404 RT8289GSP 3 NC_2 2 NC_1 4 FB 1 BOOT 5 EN 6 GND 7 VIN 8 SW 9 EP GND IC2400 BD86106EFJ 3 AGND 2 VIN 4 FB 1 PGND 5 COMP 6 EN 7 SW_1 8 SW_2 9 EP C2405 0 0068uF 50V ZD2400 5V ZENER_3 3V_NORMAL JP2408 JP2409 JP2410 JP2411 L2410 2uH NR8040T2R0N IC2405 TPS54327DD...

Page 47: ...21 10 P71 KR1 SI21 SDA21 11 P70 KR0 SCK21 SCL21 12 P30 INTP3 RTC1HZ SCK11 SCL11 13 P50 INTP1 SI11 SDA11 14 P51 INTP2 SO11 15 P17 TI02 TO02 16 P16 TI01 TO01 INTP5 17 P15 PCLBUZ1 SCK20 SCL20 18 P14 RXD2 SI20 SDA20 19 P13 TXD2 SO20 20 P12 SO00 TXD0 TOOLTXD 21 P11 SI00 RXD0 TOOLRXD SDA00 22 P10 SCK00 SCL00 23 P146 24 P147 ANI18 25 P27 ANI7 26 P26 ANI6 27 P25 ANI5 28 P24 ANI4 29 P23 ANI3 30 P22 ANI2 31...

Page 48: ... 5V_MHL DDC_SCL_MHL R3380 1 8K R3381 22K D3314 MMBD6100 A2 C A1 C3302 0 1uF 16V JK3300 51U019S 312HFN E R B LG EAG62611204 FREEPORT 14 NC 13 CE_REMOTE 5 D1_GND 20 BODY_SHIELD 12 CK 11 CK_GND 2 D2_GND 19 HP_DET 18 5V 10 CK 4 D1 1 D2 17 GND 9 D0 8 D0_GND 3 D2 16 DDC_DATA 7 D0 6 D1 15 DDC_CLK JK3303 51U019S 312HFN E R B LG EAG62611204 FREEPORT 14 ARC 13 CE_REMOTE 5 D1_GND 20 BODY_SHIELD GND 12 CK 11 ...

Page 49: ...RT_4PIN_STRAIGHT 1 2 3 4 5 3 3V_NORMAL 3 3V_NORMAL D3800 5 6V C3800 0 1uF OPT C3801 0 1uF OPT R164 1K R159 1K JK3802 PPJ245N2 01 RCA_JACK_MOLD_B C 5A GN YL O SPRING 6A GN YL E LUG 4A GN YL CONTACT 5B BL O SPRING 7C RD1 E LUG S 5C RD1 O SPRING 4C RD1 CONTACT 5D WH O SPRING 4E RD2 CONTACT 5E RD2 O SPRING 6E RD2 E LUG JK3802 1 PPJ245 01 RCA_JACK_PRESS_B C 6A GN C SPRING 7A GN E LUG 4A GN CONTACT 5B B...

Page 50: ...2 7 OUT1 8 FLT1 9 EP GND IC4306 1 DIODES TAIWAN INC USB2 3_OCP_DIODES 3 EN1 2 IN 4 EN2 1 GND 5 FLG2 6 OUT2 7 OUT1 8 FLG1 9 EP GND R4303 2 2 USB_Serial_2 2ohm R4304 2 2 USB_Serial_2 2ohm R4305 2 2 USB_Serial_2 2ohm R4306 2 2 USB_Serial_2 2ohm C4500 0 1uF 16V R4500 10K OPT 5V_USB_1 R4501 10K IC4500 AP2171DM8G 3 IN_2 2 IN_1 4 EN 1 GND 5 FLG 6 OUT_1 7 OUT_2 8 NC JK4500 3AU04S 305 ZC LG 1 2 3 4 5 USB_O...

Page 51: ... FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC D5001 5 5V LAN_ESD EPHY_TDN D5003 5 5V LAN_ESD D5000 5 5V LAN_ESD D5002 5 5V LAN_ESD EPHY_TDP EPHY_RDN EPHY_RDP C5000 0 1uF 16V C5001 0 01uF 50V JK5000 RJ45VT 01SN002 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 550 LAN_VERTICAL 2013 11 26 Ethernet Block Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purp...

Page 52: ...FE_DEMOD1_TS_ERROR RF_SWITCH_CTL_TU 3 3V_TU FE_DEMOD2_TS_VAL 5V_NORMAL R6518 10K TU_DEMOD_CORE IC6500 AP2132MP 2 5TRG1 EAN61387601 TU_DEMOD_CORE 3 VIN 2 EN 4 VCTRL 1 PG 5 NC 6 VOUT 7 ADJ 8 GND 9 EP C6515 1uF TU_DEMOD_CORE R6520 10K 1 TU_1 2V 3 3V_TUNER 0 1uF C6516 TU_DEMOD_CORE R6519 1 14K TU_1 1V Demod_Core R6521 20K 1 TU_1 2V C6518 10uF 16V TU_DEMOD_CORE R6520 1 2K TU_1 1V R6521 1 18K TU_1 1V R6...

Page 53: ...8SG121TN1D LVDS_51PIN PANEL_VCC TXD2P TXA2P TXD3N TXD4N I2C_SCL1 TXA4N TXB0N TXACLKP TXD1P P7100 FI RE51S HF J R1500 LVDS_51PIN 1 NC 2 NC 3 NC 4 NC 5 NC 6 AUO_65_MIRROR 7 LVDS_SEL 8 NC 9 NC 10 L DIM_ENABLE 11 GND 12 RA0N 13 RA0P 14 RA1N 15 RA1P 16 RA2N 17 RA2P 18 GND 19 RACLKN 20 RACLKP 21 GND 22 RA3N 23 RA3P 24 RA4N 25 RA4P 26 GND 27 BIT_SEL 28 RB0N 29 RB0P 30 RB1N 31 RB1P 32 RB2N 33 RB2P 34 GND ...

Page 54: ...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 55: ... off while viewing power auto on off 7 g p 8 C Audio error No audio Normal video 8 9 Wrecked audio discontinuation noise 9 10 D Function error Remote control Local switch checking 10 11 External device recognition error 11 12 E Noise Circuit noise mechanical noise 12 Fi t f ll Ch k h th th i SVC B ll ti i GCSC S t f th d l 13 F Exterior error Exterior defect 13 14 APPENDIX Power Off History 1 97 F...

Page 56: ...n condition A10 A11 A10 32 37 42 47 55 A11 32 AUO 12 Adjustment Test pattern ADJ Key A12 13 A Video error_Vertical Horizontal bar residual image light spot LCD TV connection diagram A8 14 Check Link Cable LVDS reconnection condition A10 A11 A10 32 37 42 47 55 A11 32 AUO residual image light spot A11 A11 32 AUO 15 Adjustment Test pattern ADJ Key A12 16 Exchange T Con Board 1 A 1 5 17 Exchange T Con...

Page 57: ...ye On Y Check Power Board 12V 3 5V etc Normal voltage Y Replace T con Board or module And Adjust VCOM A4 A1 p N Move to No video No audio N N j Repair Power Board or parts Check Power Board 24V output A2 A28 Normal voltage Y Replace Inverter or module N Repair Power End Repair Power Board or parts Always check record S W Version and White Balance value before replacing the Main Board Replace Main ...

Page 58: ... 2 13 LCD TV Error symptom 2014 1 2 C A4 Normal voltage Check various voltages of Power Board 3 5V 12V or 24V No Video No audio Check and replace MAIN B D Y N End Replace Power Board and repair parts 4 97 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 59: ...r 50 Y N Normal Signal Check whether other equipments have problem or not By connecting RF Cable at other equipment DVD Player Set Top Box Different maker TV etc N N Check RF Cable Connection 1 Reconnection 2 Install Booster Check S W Version SVC Bulletin Y Normal Picture Y A7 S W Upgrade Check Tuner soldering Normal Y N Contact with signal distributor or broadcaster Cable or Air N Normal Picture ...

Page 60: ...module Color error A10 A11 N contact condition N Check error color input mode HDMI DVI N End Y External device Cable normal External Input Component AV error Check external device and cable Replace Main B D N Check Test pattern A12 N N Request repair for external device cable Y External device Cable normal HDMI DVI error Check external device and cable Replace Main B D 6 97 Copyright ⓒ 2014 LG Ele...

Page 61: ...pattern For other panel External device screen error Color error External Input error Connect other external device and cable N R l Screen Check screen condition by input External Input Component Check S W Version N Check version error and cable Check normal operation of External Input Component AV and HDMI DVI by connecting Jig pattern Generator Set top Box etc Y Replace Main B D Screen normal AV...

Page 62: ...Check Power LED Replace Power B D Y OK A17 A19 Stand By Red Operating off Check Power cord was inserted properly Measure voltage of each output of Power B D Replace Main B D N Normal A4 Y Normal voltage Replace Main B D Y Ch k ST BY 3 5V Normal Y Close N Check ST BY 3 5V Replace Power B D N Y Normal voltage A18 Replace Power B D 8 97 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for ...

Page 63: ...bnormal Replace Power B D N Y Normal End Abnormal 1 Fix A C cord Outlet and check each 3 phase out p If Power Off mode is not displayed Check Power B D Y Replace Main B D Normal voltage A19 1 Caution Check and fix exterior of Power B D Part voltage N g Replace Power B D Please refer to the all cases which can be displayed on power off mode Click the below Hyper_link 9 97 Copyright ⓒ 2014 LG Electr...

Page 64: ... menu TV Speaker Y Check audio B 24V of Power Board Normal voltage Y A24 A25 Screen normal Sound Out Speaker N Change the TV Speaker voltage N Replace Power Board and repair parts Check Speaker disconnection N Replace MAIN Board End Disconnection Y Replace Speaker Cable 10 97 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 65: ...ion Noise only for D TV W k d di N Normal voltage RF External Input signal Signal normal Replace Main B D N Wrecked audio Discontinuation Noise only for Analog Replace Power B D When RF signal is not received R t i t t l R l M i B D End Wrecked audio Discontinuation Noise only for External Input Connect and check other external device N Normal audio Request repair to external cable ANT provider Re...

Page 66: ... Check B 3 5V On Main B D A27 Normal Voltage N Check IR Output signal Normal Signal N Y N A27 Y A27 Y Check R C Operating When turn off light in room Check Replace Baterry of R C Close Check 3 5v on Power B D Replace Power B D or Replace Main B D Power B D don t have problem A4 N Repair Replace IR B D N Normal operating Close Replace R C If R C operate Explain the customer cause is interference fr...

Page 67: ...Input and C t Replace Main B D Fix information S W Version Y information input signal g input N Component Recognition error Check and fix HDMI DVI Optical Replace Main B D Replace Main B D Fix in external device cable DVI Optical Recognition error Replace Main B D Fix in accordance with technical information 13 97 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service...

Page 68: ...e S W or Mechanical noise is a natural provide the description If there is a Tak Tak noise from the cabinet refer to the KMS fix information and then proceed as shown in the solution manual For models without any fix information provide phenomenon and apply the 1st level description When the customer does not agree apply the process by stage Describe the basis of the description in Part related to...

Page 69: ...rror symptom 2014 1 2 Replace module Zoom part with exterior damage Module damage Cabinet Adjust VCOM A28 Cabinet damage Replace cabinet Replace remote controller Remote controller damage damage Stand dent Replace stand 15 97 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 70: ... when on off while viewing POWER BOARD PIN voltage checking method A19 viewing 28 C Audio error_No audio Normal video Checking method in menu when there is no audio A24 29 Voltage and speaker checking method when there is no audio A25 there is no audio 30 C Audio error_Wrecked audio discontinuation Voltage and speaker checking method in case of audio error A25 31 D Function error_ No response in r...

Page 71: ...GAIN Cut value of Color Temp Cool Medium Warm re 1 Press the ADJ button on the remote controller for adjustment 2 Enter into White Balance of item 7 3 After recording the R G B GAIN Cut value of Color Temp Cool Medium Warm re 17 97 3 After recording the R G B GAIN Cut value of Color Temp Cool Medium Warm re enter the value after replacing the MAIN BOARD 3 After recording the R G B GAIN Cut value o...

Page 72: ... 3 3 5V 4 PDIM 1 5 3 5V 6 3 5V 7 GND 8 PDIM 2 9 24V 10 24V 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 24V or N C 17 GND 18 GND 17 GND 18 GND 19 GND 20 GND 21 GND 22 L DIMO_VS 23 L DIMO_MOSI 24 L DIMO SCLK The Wafer 18Pin and 24Pin is used by operating LocalDimming or not LocalDimming 24Pin wafer is applied operating L D at power and main B D 18Pin wafer is applied not operating L D at powe...

Page 73: ...d A Video error_Video error video lag stop ALL MODELS A6 date Revised date symptom Content LCD TV 2014 1 2 MENU Æ Settings Æ Chanel Settings Æ Antenna Settings Æ select channel When the signal is strong use the attenuator 10dB 15dB 20dB etc 19 97 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 74: ...A Video error_Video error video lag stop 1 Checking method for remote controller for adjustment ALL MODELS A7 date Revised date Content LCD TV 2014 1 6 symptom Version Press the IN START with the remote controller for adjustment 20 97 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 75: ...D TV connection diagram 1 image light spot A8 date Revised date symptom Content LCD TV ALL MODELS 2014 1 2 As the part connecting to the external input h k th diti b i l 21 97 check the screen condition by signal Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 76: ...ptom Content LCD TV 2014 1 6 Checking method 1 Check the signal strength or check whether the screen is normal when the external device is connected 22 97 g g 2 After measuring each voltage from power supply finally replace the MAIN BOARD with Main to Power Cable Speaker Cable and LVDS or EPI Cable Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE In...

Page 77: ...LCD TV 2014 1 2 You can view 6 types of patterns using the ADJ Key Checking item 1 Defective pixel 2 Residual image 3 MODULE error ADD BAR SCAN BAR 23 97 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 Only for training and service purposes LGE Internal Use Onl...

Page 78: ... A17 date Revised date symptom Content LCD TV 2014 1 2 Front LED control Front LED control Menu Æ Option Æ LG Logo Light Æ Brightness and Duration ST BY condition Red or Logo Light ON g g Power ON condition OFF or User Settings 24 97 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 79: ...ard 공통 FREE LGP 14PL1 IT 1 PWR ON OFF 2 INV ON Edge LED 3 3 5V 4 PDIM 1 5 3 5V 6 GND 7 GND 8 PDIM 2 9 24V 10 24V 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 24V or N C 17 GND 18 GND 17 GND 18 GND 19 GND 20 GND 21 GND 22 L DIMO_VS 23 L DIMO_MOSI 24 L DIMO_SCLK The Wafer 18Pin and 24Pin is used by operating LocalDimming or not LocalDimming 24Pin wafer is applied operating L D at power and mai...

Page 80: ... 3 3 5V 4 PDIM 1 5 3 5V 6 3 5V 7 GND 8 PDIM 2 9 24V 10 24V 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 24V or N C 17 GND 18 GND 17 GND 18 GND 19 GND 20 GND 21 GND 22 L DIMO_VS 23 L DIMO_MOSI 24 L DIMO_SCLK The Wafer 18Pin and 24Pin is used by operating LocalDimming or not LocalDimming 24Pin wafer is applied operating L D at power and main B D 18Pin wafer is applied not operating L D at powe...

Page 81: ...r error _Off when on off whiling viewing ALL MODELS A22 date Revised date symptom Content LCD TV 2014 1 6 Entry method Entry method 1 Press the IN START button of the remote controller for adjustment 27 97 2 Check the entry into adjustment item 3 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 82: ... error_No audio Normal video ALL MODELS A24 date Revised date symptom Content LCD TV 2014 1 2 Checking method Checking method 1 Press the MENU button on the remote controller 2 Select the SOUND function of the Menu 3 Select TV Speaker from Others 28 97 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 83: ... 24 L DIMO_SCLK The Wafer 18Pin and 24Pin is used by operating LocalDimming or not LocalDimming 24Pi f i li d i D d i B D Checking order when there is no audio 24Pin wafer is applied operating L D at power and main B D 18Pin wafer is applied not operating L D at power and main B D Check the contact condition of or 24V connector of Main Board Measure the 24V input voltage supplied from Power Board ...

Page 84: ...Y1 3 KEY2 4 3 5V_ST 5 GND 6 LOGO LED_R 7 IR 8 GND 9 EYE SCL 9 EYE_SCL 10 EYE_SDA Checking order g 1 2 Check IR cable condition between IR Main board 3 Check the st by 3 5V on the terminal 6 4 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 30 97 Copyright ⓒ 2014 LG Electronics Inc All rig...

Page 85: ...e adj key select V COM A hi th i ht th l ft b tt th t t ll A d fi d th V COM l Whi h i As pushing the right or the left button on the remote controller And find the V COM value Which is no or minimized the Flicker If there is no flicker at default value Press the exit key and finish the VCOM adjustment Push the OK key to store the value Then the message Saving OK is pop Press the exit key to finis...

Page 86: ...WER_OFF_BY_LOCAL_KEY POWER_OFF_BY_LOCAL KEY POWER_OFF_BY_OTA POWER_OFF_BY_End of OTA POWER_OFF_BY_SIGNAL_DETECT POWER_OFF_BY_Another MICOM Only OLED POWER_OFF_BY_RESET POWER_OFF_BY_Factory Reset POWER_OFF_BY_UNKNOWN POWER_OFF_BY_unknown status except listed case POWER_OFF_BY_ABN POWER_OFF_BY_abnormal Panel status POWER_OFF_BY_KEY_TIMEOUT POWER_OFF_BY_abnormal Power Off Key At Warm Hot status POWER...

Page 87: ... Broken T Con Defect CNT Broken T Con Defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Abnormal Power Section 33 97 Solder defect Short Crack Abnormal Power Section Solder defect Short Crack Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 88: ...r Section Solder defect Short Crack Fuse Open Abnormal power section Abnormal Display Solder defect Short Crack Fuse Open Abnormal power section p y 34 97 GRADATION Noise GRADATION Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 89: ...e PSU LED driver No Light Dim Light Dim Light Dim Light Dim Light Dim Light 35 97 No picture Sound Ok Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 90: ...s damage Panel Mura Light leakage Crosstalk Crosstalk Press damage Un repairable Cases In this case please exchange the module 36 97 Press damage Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 91: ...te TAB IC Defect Horizontal Block Gate TAB IC Defect Horizontal line Gate TAB IC Defect Gate TAB IC Defect Gate TAB IC Defect Gate TAB IC Defect Un repairable Cases Horizontal Block In this case please exchange the module 37 97 Gate TAB IC Defect Horizontal Block Gate TAB IC Defect Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

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