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Kivi 65DU47-T2 Service Manual

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SERVICE MANUAL
LED TV
Model No.
65DU47-T2
Chassis
MSD6586
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

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Summary of Contents for Kivi 65DU47-T2

  • Page 1 SERVICE MANUAL LED TV Model No. 65DU47-T2 Chassis MSD6586 WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.

  • Page 2: Table Of Contents

    Service Manual Model No.: Chapter 1: General Information 1-1. Table of Contents 1. General Information................1-1. Table of Contents 1-2. General Guidelines 1-3. Important Notice 1-4. How to Read this Service Manual ..................3. Location of Controls and Components........... 3-1. Board Location 3-2.

  • Page 3: General Guidelines

    Service Manual Model No.: 1-2. General Guidelines When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
  • Page 4 Service Manual Model No.: 1-3-6 Safety Check after Repairment in the original positions, or whether there are the positions which are deteriorated around the serviced places serviced or not. Check the insulation between the antenna terminal or external metal and the AC cord plug blades. And be sure the safety of that. General Servicing Precautions 1.
  • Page 5 Service Manual Model No.: Electrostatically Sensitive (ES) Devices Some semiconductor (solid-state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...

  • Page 6: How To Read This Service Manual

    Service Manual Model No.: 1-3-8. Photo used in this manual The illustration and photos used in this Manual may not base on the final design of products, which may differ from your products in some way. 1-4. How to Read this Service Manual Using Icons: each icon is described in the table below: Note:...
  • Page 7 Service Manual Model No.: Model 65DU47-T2 65 inch Screen Size Aspect Ratio 16:9 Resolution 3840*1920 (GRAY TO Response Time (ms) GRAY) 160°/150° Angel of View Color Display 16.7M No. of Preset Channels 500(DTV);100(ATV) glish, Russian OSD Language Color System PAL/SECAM...

  • Page 8: Location Of Controls And Components

    Service Manual Model No.: 3. Location of Controls and Components 3-1 Board Location Description A Board Power board B Board Main board 3-2 Main Board - 07 -...
  • Page 9 Service Manual Model No.: 3-2-1 Function Description: Main Board Process signal which incept from exterior equipment then translate into signal that panel can display. Main board connector Keypad and remote connector ( CN201 ) Speaker connector (CN601) Pin number Signal name Description RSPK+ RSPK+...

  • Page 10: Led Panel

    Service Manual Model No.: 3-3. LED Panel - 09 -...

  • Page 11: Connector Definition

    Service Manual Model No.: 3-4.Connector De finition 3-4.Connector De finition - 10 -...

  • Page 12: Disassemble And Assemble

    Service Manual Model No.: 4. Disassemble and assemble 4-1 Remove the Stand Base faces upward 4-2 Remove the Back Cover unit. 4-3. Remove the adhesive tape Remove the adhesive tape indicated on the - 11 -...

  • Page 13: Remove The Main Board

    Service Manual Model No.: 4-4 Remove the Main board 4-5 Remove the speaker Take out the speaker - 12 -...

  • Page 14: Remove The Remote Control Board

    Service Manual Model No.: 4-6 Remove the remote control board take out the remote control board - 13 -...

  • Page 15: Installation Instructions

    Service Manual Model No.: 5. Installation Instructions 5-1 External Equipment Connections Accessories Remote control refers to user manual. Remote control refers to user manual. - 14 -...
  • Page 16 VDDC Power Power Supply +12V_Normal +12V_Normal 12.46V Note：能提供最大平均电流8A。 +1.10V_VDDC 0.1uF C288 0.1uF C358 C289 +12V_Normal +5V_Normal 10uF/16V SWPA8040S2R2NT/5A C103 TPS56528 +5V_Normal R102 5.17V 12.46V R103 100R 220pF C105 C106 C107 C108 +3.3V_Standby EC105 EC107 10uF/6.3V 10uF/6.3V 10uF/6.3V 0.1uF 220uF/16V 220uF/16V R127 R105 20K/1%...
  • Page 17 Standby Power 3.3V CORE Power +3.3V_Standby VCC3.3VA +1.10V_VDDC U201G C302 C303 C304 C305 C306 C307 C308 2.2uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF U201F C301 C309 C310 C311 C312 C313 C314 C315 C300 C317 C318 C319 C320 CC0402 CC0402 10uF/6.3V 10uF/6.3V 10uF/6.3V 2.2uF 0.1uF...
  • Page 18 AVDD_DDR1_S MU401 NT5CB256M16DP-EK 0RX4 RP404 0RX4 RP405 D-DDR3-ODT-T1 D_DDR3_ODT D_DDR3_ODT D-DDR3-ODT-T2 BA2,CSB1,CSB2 need GND shielding D-DDR3-A0-T1 D-DDR3-DM1 D-CSB1 D_DDR3_CSB1 D_DDR3_CSB2 D-CSB2 D-DDR3-A1-T1 D-DDR3-DQS1 DQSU D-DDR3-A2-T1 D-DDR3-DQS1B /DQSU 82RX4 RP406 82RX4 RP400 D-DDR3-A3-T1 D-DDR3-BA2-T1 D_DDR3_BA2 D_DDR3_BA2 D-DDR3-BA2-T2 D-DDR3-A4-T1 D-DDR3-DQ8 U201A D-DDR3-BA0-T1 D_DDR3_BA0 D_DDR3_BA0 D-DDR3-BA0-T2...
  • Page 19 HDMI/Audio Block PCMCIA/TS/NAND/FE GPIO Pull up U201B Note : Port A needs shielding ground all signal pair Audio Block PCM_D[7:0] PCM_D0 AC25 PCMDATA[0]/CI_DATA[0] PCM_D1 AG23 +3.3V_Standby U201C PCMDATA[1]/CI_DATA[1] AB25 PCM_D2 PCMDATA[2]/CI_DATA[2] HDMI1-RX0N C201 2.2uF PCM_D3 AD25 AV_AUL RXA0N LINE_IN_0L 靠近mstar IC PCMDATA[3]/CI_DATA[3] HDMI1-RX0P C206 2.2uF...
  • Page 20 eMMC U501 SAMSUNG EMMC R527需上件 +1.8V_Normal eMMC/NC EMMC_CLK EMMC_D4 L501 0R/NC +3.3V_Normal EMMC_VIO EMMC_VIO EMMC_CMD EMMC_D5 EMMC_D0 EMMC_D6 L502 NC/0R EMMC_D1 EMMC_D7 EMMC_D2 EMMC_DS C501 C502 C503 R527 EMMC_D3 EMMC_RST EMMC 1.8V RESET 0R/NC 0.1uF/NC 0.1uF/NC 2.2uF/NC Nand 3.3V EMMC_VIO +3.3V_EMMC VDD_IF VDD_IF...
  • Page 21 VB1 & LVDS Bom可以用0R电阻，方便调试LVDS和VBY 需要LVDS/TCON 该部分需要上件， CMI/LG/Samung 4K2K@60HZ 互相更改(VB1使用0.1uf VBY1时需要NC，否则影响VBY信号 LVDS CONNECTOR ,lvds使用0R，lvds时RP452要上件） 靠近VBY 座子放置 RP452 RXO0- 3D_EN_C RXO0+ RXO1- CN22 NC/FIRE-51MR-0.5-SLK RXO1+ CN12 NC/CT000041-513C NC/0RX4 Note：2个VBY1座子都需要使用，不能有干涉。 NC/2*20Pin-2.0mm C464 0.1uF VBY0N RXO2- RP453 RXO0+ RXO0- C465 0.1uF VBY0P RXO2+ VCC-Panel RO0+ RO0- RXO1+...
  • Page 22 Ethernet SIDE_CVBS AV-IN AV-IN SIDE-AU-L VIDEO SIDE-AU-R TDCT CH_GND HST-0041SAR MDI0+ Ether_TxP RDCT MDI_TP Ether_TxN MDI0- MDI_TN AV3-15MM MDI1+ Ether_RxP MDI_RP RJ45 MDI1- Ether_RxN MDI_RN TCM- SIDE-AU-L RD100 AV_AUL trace : differential tail 100ohm CD63 RD103 C297 C187 0.1uF 0.1uF C316 C396 1000pF/2KV/DIP...
  • Page 23 HDMI1(ARC) DEBUG_UART P801 UART-RX HDMI/90D UART-RX UART-TX HDMI1_RX2P HDMI1-RX2P UART-TX DATA2+ DATA2 SHIELD HDMI1_RX2N HDMI1-RX2N DATA2- +5V_Standby +5V_HDMI1 HDMI1_RX1P HDMI1-RX1P HDMI1-RX2P R224 NC/0R DATA1+ HDMI1-RX2P HDMI1-RX2N DATA1 SHIELD HDMI1-RX2N +5V_HDMI1 HDMI1_RX1N HDMI1-RX1N HDMI1-RX1P DAT1A- HDMI1-RX1P HDMI1_RX0P HDMI1-RX0P R802 R803 HDMI1-RX1N 3904 DATA0+ HDMI1-RX1N...
  • Page 24 RF---DVBT/C/T2 I2C Interface Filter Tuner I2C 3.3V_TUNER TU_SCL 330R TUNER_SCL TU_SDA 330R TUNER_SDA CT1 120pF 68pF 68pF Addr 0xF6 75 ohm line RFIN RFIN - filter noise from demod side RFIN 470PF 6.8nH 270nH Close R842 TUNER_SDA UD16 TUNER_SDA CT4的选取： TUNER_SCL TUNER_SCL 1.内置隔离器时，CT4=0R...
  • Page 25 USB Interface 双层USB卧式 P1001 +5V_Normal USB1_5V USB3_DM USB1_D- USB1_D- USB3_D- USB3_DP USB1_D+ USB1_D+ USB3_D+ NC/10-4A-0603 USB2_5V USB WIFI_MTC Q618 USB2_D- USB2_D- +5V_Normal 5V_USB_WIFI 5V_USB_WIFI USB2_D+ USB2_D+ C617 CON9 AO3407 USB2.0X2-W 0.1uF R618 USB3_DP USB3_DM R619 100K C361 ON/OFF C603 USB3.0 H :Power on 10uF P1002...
  • Page 26 PCMCIA PCMCIA POWER +5V_PCMCIA +5V_Normal +5V_PCMCIA P1101 PCMCIA_CNT PCM_CD1_N PCM_D3 CD1# TS_MDO3 PCM_D4 MDO3 TS_MDO4 PCM_D5 CARD DETECT MDO4 TS_MDO5 PCM_D6 MDO5 TS_MDO6 PCM_D7 MDO6 TS_MDO7 PCM_CE_N MDO7 CE1# +5V_PCMCIA PCM_A10 CE2# PCM_OE_N VS1# +5V_Normal PCM_IORD_N PCM_A11 IORD# PCM_IOWR_N PCM_A9 IOWR# TS_SYNC PCM_A8...
  • Page 27 AUDIO AMP CD10 +12V_Normal +12V_AMP 1uF/25V/X5R/0603 +12V_AMP 9108/TPA3113D2 靠近U30的供电针脚pin28。 MUTE RD14 MUTE# 贴片磁珠/10Ω-4A-0603 PVCCL CD11 FAULT PVCCL 220uF/16V 1uF/25V/X5R/0603 C607 AMP1_L+ LINP BSPL 贴片磁珠/220Ω-2A-0805 LD5 33uH CD16 0.22uF/16V/X5R LOUT+ LOUT# CD15 1uF/25V/X5R/0603 CD20 LINN OUTPL SPEAKER 1uF/25V/X5R/0603 GAIN0 NC/10-4A-0603 ROUT+ GAIN0 PGND +12V_AMP...
  • Page 28 +5V/0.56A +1.5V_DDR/1.5A +3.3V_TU 220Ω-2A-0603 SY8113 +3.3V/808MA Q101 L511 +3.3V_Standby/390MA +5V_Standby/2.13A +5V/0.67A +3.3V_Normal/418MA 3.3V_TUNER 3401 220Ω-2A-0603 SY8088B PWR_ON/OFF +5V/0.2A CI/5V/0.2A +5V_Normal/2.42A MSD6586 POWER +5V/2A 5V_wifi/0.2A+USB2.0X2-W+USB3.0/0.9A BOARD +12V/0.56A TPS56528 +1.20V_VDDC/4.5A +1.05_VDDC_CPU/3A +12V/0.33A MSH6110A VCC_Pannel /1.5A +12V/1.5A AO3407 +12V/1.65A +12V_Normal/4.98A +12V/1.65A RT9118 18V/13V/500mA RT5047 +12V/0.94A HDMI1...
  • Page 29 Service Manual Model No.: - 25 -...

  • Page 30: Trouble Shooting

    Service Manual Model No.: 7. Trouble shooting 7-1. Simple check - 26 -...

  • Page 31: Mainboard Failure Check

    Service Manual Model No.: 7-2. Main board failure check No picture but have sound test if J16 Pin3 3.3V Pin13 normally Check if there is +43V at Replace PU5 PCN4 Check if there is +12V at Pin35 in CN202 Check if PQ6 Replace PQ6 PD14 PR46 PD14...
  • Page 32 Service Manual Model No.: AV No sound but have picture Check if there is sound input signal Check the input source Check if there is signal at C201 and C206 Check if there is signal at C607 and C605 Change U204 Check if there is signal at FB11,FB12,FB13,FB14 Change UD4 Check LD3 voltage...
  • Page 33 Service Manual Model No.: No sound No picture NO LED indicate Check PD15(24V) Change Mainboard Change Mainboard Check PD3(12V) Check LD22(3.3V) Change UD8 Check L8 (1.5 Change U17 Change U23 Check L14 (0.97 Check L19 (1.06V) Change U104 Change mainchip Change Mainboard U202 Still having problems...
  • Page 34 Service Manual Model No.: Poor sound Poor sound Verify if sound system is Change sound correct . system For ease of use, recommend that customer format the picture and sound settings in the automatic option. Update the software and Still having make the reboot;...
  • Page 35 Service Manual Model No.: No color for some channel program (black and white) No color for some channel program (blac k and white) Verify if the same Check out of picture and sound problem exists in other system of this channel channels Change the channel to the right sound check out of picture...
  • Page 36 Service Manual Model No.: How to know whether the Power board is broken? Check if the power cord Reconnect the power cord with the connect well? outlet or Power board. EC805 whether have F800 or D803/D804/D805/D807 300V Power on and check Replace PD3 PD3 whether have 12V Still having...
  • Page 37 Trouble Shooting • Mainboard not work Panel not work ™ • 1. Check the “power board “ in 1. Check the LED Back light “set up IC ” ™ main board whether has 12V and output and input are working . 5V 5vsb output .
  • Page 38 Trouble Shooting Power board not work ™ 1.Verify if the power cord connect well? ™ Verify the power cord+5V standby is ™ working. 3. Check if voltage of the POWER ON/OFF ™ of the power board part is on the high level voltage 4.

  • Page 39: Panel Failure

    Service Manual Model No.: 7-3. Panel failure Failure Mode Part Name Description Phenomena Failure cause Block Defect :TCP cracking or cracking Dim or L/D :TCP Sunken V B/D Vertical bar :TCP lead cracking :ACF bonding short :Awful environment and something electric enter V Dim Vertal gray line into LCD...
  • Page 40 Service Manual Model No.: Part Name Description Phenomena Failure cause I n c o m i n g I n s p e c t i o n Standard Bright dot dark dot in Dot Defect pannel Bladder between Polarizer and top glass Polarizer Bubble Bladder in Polarizer...
  • Page 41 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause White Screen B/L normal, only white screen display M a y b e c a u s e d by surge current Black Screen B/L normal, and EDS only Black screen display FIIcker...
  • Page 42 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause Mechanlcal When Caused Nolse turn panel,appear b y M e c h a n i c a cacophony noise of backlight unit Ripple Connectric circle Causeed by between mechanism and pannel B/L off...
  • Page 43 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause Brightness B/L unit badness at bottom of LCM Light leakage brighter than normal B / L b r i g h t n e s s Sheet in B/L unit Mechanlcal or B/ asymmetric is uneven...

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