LeTV X50 air UN3016 Service Manual
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LeTV X50 air UN3016 Service Manual

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SERVICE MANUAL
CLIENT/BRAND
CUSTOMER MODEL
LeTV
Letv X50 Air UN3016
1

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Summary of Contents for LeTV X50 air UN3016

  • Page 1 SERVICE MANUAL CLIENT/BRAND CUSTOMER MODEL LeTV Letv X50 Air UN3016...
  • Page 2 Revision List Version Release Date Revision Instructions Customer Model TPV Model Apr.15,2015 Initial Release X50 Air UN3016 HK E50E21NCEZLHNNK...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. Technology Specification ------------------------------------------------------------------------------------- 4 1.1 General Specification ---------------------------------------------------------------------------------------- 4 1.2 Input/ Output Specification ---------------------------------------------------------------------------------- 4 2. Operating Instructions ----------------------------------------------------------------------------------------- 5 2.1 TV set interface description ------------------------------------------------------------------------------- 5 2.2 The Use of Remote Control ------------------------------------------------------------------------------- 6 2.3 Connector description -------------------------------------------------------------------------------------- 7 3.

  • Page 4: Technology Specification

    Technology Specification 1.1 General Specification 1.2 Input/ Output Specification RGB INPUT SIGNAL TIMING Dots × Lines Vertical Frequency (Hz) Horizontal Frequency (kHz) 720 ×400 70.1 31.5 640 ×480 59.9 31.5 800 x 600 60.0 37.9 1024x768 60.0 48.363 1360x768 59.79 47.72 1400x900 55.93...

  • Page 5: Operating Instructions

    .Operating Instructions 2.1 TV set interface description...

  • Page 6: The Use Of Remote Control

    2.2 The Use of Remote Control...

  • Page 7: Connector Description

    2.3 connector description D-sub VGA (15pin D-sub) connector Pi n no description Pi n no description Red Video No Pin Green Video Sync Ground Blue Video TX Serial Data for DDC Ground H-Sync Red Ground V-Sync Green Ground RX Serial Clock for DDC Blue Ground HDMI Pi n no...

  • Page 8: Repair Flow Chart

    3. Repair Flow Chart No power (LED “Off”) Check the AC input and the Power “On” power is “ON”? Power board output=12V? Replace the power board Check the IR board and LED Replace the IR board Replace the main board...
  • Page 9 Abnormal Display Reset the source Check the source Enter factory mode to do “EEPROM initial”&“Reset” Replace the main board Check the main board Check the LVDS cable Replace the LVDS cable Check the panel Replace the panel...
  • Page 10 No sound or sound abnormal Check the audio source connection and the TV system are correct? Reinsert the audio cable or change the TV system Check the TV is muted, adjust the volume or enter the menu to reset? Enter factory mode to do “Reset” Check the cable between the speakers and main board is OK? Replace the cable...
  • Page 11 Remote Control malfunction Check the remote control battery is Replace the battery not properly placed or no power? Use the other remote controls Replace the remote control Whether the IR board is Replace the IR board abnormal? Replace the main board...
  • Page 12 Can’t start (LED red) Power board output＝12V? Replace the power board Check the power key is under control? Replace the main board Check the IR receiver is normal? Replace the IR board Replace the main board Replace the Power board...

  • Page 13: Block Diagram

    4 . Block Diagram 4.1 main board outsourcing...

  • Page 14: Schematic Diagram

    5. Schematic Diagram 5.1 main board outsourcing...

  • Page 15: Power Board

    5.2 Power Board 703EAE0BXXD01 (715G6748P01000003H) F9901 FB9902 NR9902 FUSE C9911 BEAD 100PF 250V NR9901 SG9902 C9914 220PF 250V 2.5R 2.5R CN9901 L9903 73A174-303E 18mH 0.25mH L9902 RV9901 L9901 620V C9901 18mH CN9902 470NF 275V AC SOKET BD9901 FB9901 TS10P06G-04 Vsin BEAD SG9901 C9913...
  • Page 16 D9802 KBP206G X0G 73A-ER4013 FB9803 C9812 FB9801 L9801 47PF BEAD 220uH L-EC130-55-E1 Vsin Vbus FB9802 BEAD 10NF 1KV D9801 C9820 FMNS-1106S 1UF 450V C9816 D9803 Q9801 R9801 SS1060FL TK18A60V 0.07R 3W C9813 47PF R9804 1MOHM +-1% 1/4W R9806 R9803 10K OHM +-5% 1/8W R9802 82 OHM R9807...
  • Page 17 80LL32P-134E L9101 T9101 Vbus +12V 12VS R9142 R9141 Q9104 C9116 82K 2W C9113 C9120 470uF 25V C9143 ZD9105 BZT52-B39 R9140 D9101 D9104 C9119 +VCC1 22R 5% SARS01-V1 MB510 D9109 Q9111 POWER X'FMR R9106 R9114 AOTF298L 12VS 4.7 MOHM +-5% 1/4W 10 OHM 1/4W R9144 R9104...
  • Page 18 FB9201 R9201 80LL52P-74E 0.1R 1W Vbus T9201 R9207 D9202 +36VS +36V 1.5M 1% 1/4W C9230 L9202 FME-220B R9202 1.5M 1% 1/4W D9205 R9205 D9206 R9204 UF4007 10 OHM 1/4W SS1060FL 10 OHM 1/8W Q9201 R9203 TK13A50D D9204 1.5M 1% 1/4W IC9201 R9208 C9219...

  • Page 19: Key Board

    TACT SW FWRD H1.5MM NC/ 100N 50V PCB TOP T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL LeTV KEY CONTROL BOARD Size G6722-K0A TPV MODEL 絬 隔 瓜 絪 腹 Key Component 02. KEY PCB NAME 715G6722-K0A 称...

  • Page 20: Ir Board

    10uF 10V 10uF 10V NC/100PF 50V NC/100PF 50V T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL LeTV Size 絬 隔 瓜 絪 腹 G6855-R0A TPV MODEL LeTV Key Component 2.0.IR BOARD PCB NAME 715G6855-R0A <...

  • Page 21: Driver Board

    HEAT SINK For Q852 and D820 130mm T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL LeTV Size Custom 絬 隔 瓜 絪 腹 G6745-T0A TPV MODEL Scanning Driv er Board Key Component 18_LED Driv er...

  • Page 22: Ac-Push Board

    160mils CN9901 CONN 311GW792B02ABX T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL LeTV KEY CONTROL BOARD Size 絬 隔 瓜 絪 腹 G6749-A TPV MODEL Key Component AC Push Key PCB NAME 715G6749-T0A 称 爹...

  • Page 23: Exploded View

    6. Exploded View X50 Air UN3016...
  • Page 24 Item Part No. Description Item Part No. Description P34E2240XKB01C0100 COVER_PCB TV50W-14le2-le2-le1 317GAAMB551CTW000L MAIN BOARD P33E0646ADTA1L0100 KEY_FUNCTION K15T000310100000FT BKT_STAND P33E0693ADT01L0100 COVER_KEY K15T001010100000FT BKT_STAND P33E0648ADTA1L0100 KEY_POWER K15T001210100000FT DECO_PLATE P34E2142XBP01L0100 BASE TV50W-14le1-le1-le1 K15T000410100000FT BKT_VIDEO P34E2143ADT01L0100 HDD Holder TV50W-14le1-le1-le1 X35T8291001A1C01DA DECO_BEZEL TV50W-14le1-le1-le1 P33E0696XKB01C0100 COVER_REAR_SIDE X52G180124800000LF INSULATING SHEET P33E0660ADT01L0100...

  • Page 25: Bom

    J45G 77 6 PE PACKING K15T0003101000GMFT BKT_STAND K15T0010101000GMFT BKT_STAND LABEL --Letv 新封箱贴 K40G000204209A RATING LABEL --LETV X50 air 香港版 K40G050004210B K40G2014050X0300XY SIDE LABEL K40G2014050X0400XY IO LABEL K44GQA5404202A01FC ARTWORK CARTON -- --LETV X50 AIR --香 K44GQA5404202A01GD ARTWORK CARTON -- --LETV X50 AIR 香...
  • Page 26 BATTERY 1.5V 2P LR03(KA)2S/G 392GR2LI30021X000L BATTERY 3.0V 1P lithium battery (BL-5C) 398GR08BELS00H REMOTE LETV HOF-39I-GJ13369 ENGLISH K41G50MV04206A MANUAL --LeTV X50 Air 香港（NO VIP ARTWORK CARTON --LETV 50AIR 线材配 K44GQA5404203A01FC ARTWORK CARTON --LETV 50 air 线材 K44GQA5404203A01GD K44GQA5404203A02FC ARTWORK CARTON --遥控器配件...
  • Page 27 K45G88010TV01200GD PE PACKING K45G88010TV01200GD PE PACKING P33T06950GM01X0100 Spacer XM1G176003612000RA SCREW K40G000104206A CARTON LABEL --LETV 50 AIR 100X115 K40G000104207A LABEL --TV ID label 香港版 OTHER LABEL --LETV 50 AIR 可移标 K40G000204222A Q40G581C62435A SN LABEL for 55*18mm Q40G581C62435A SN LABEL for 55*18mm...
  • Page 28 Q36T 600 35 9 GP NONWOVEN FABRIC Q36T 600 49 4 NON-WOVEN FABRIC X12G713001100000JF RUBBER PAD X23G317804202A00B1 LOGO LETV 12.1*40.2mm X35T8291001A1C01DA DECO_BEZEL TV50W-14le1-le1-le1 X35T8291001A1C01HK DECO_BEZEL TV50W-14le1-le1-le1...

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