Kalley LTDN40K221TWAM Service Manual
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Kalley LTDN40K221TWAM Service Manual

Kalley LTDN40K221TWAM Service Manual

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LCD Television

Service Manual

Chassis： MSD6308
Product: LTDN40K221TWAM
Ver 1.0
Hisense Electric Co.，Ltd.
June , 2015

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Summary of Contents for Kalley LTDN40K221TWAM

  • Page 1: Service Manual

    LCD Television Service Manual Chassis： MSD6308 Product: LTDN40K221TWAM Ver 1.0 Hisense Electric Co.，Ltd. June , 2015...

  • Page 2: Table Of Contents

    Contents Contents .................................. - 2 -  Service Manual ..............................- 3 -  1. Precautions and notices ..........................- 3 -  1.1 Warning .............................. - 4 -  1.2 Notes ..............................- 7 -  2. Product Specifications ..........................- 10 -  2.1 Main board layout ..........................- 10 -  2.2 This service manual includes TV .....................

  • Page 3: Service Manual

    Service Manual 1. Precautions and notices BEFORE SERVICING THE LCD TV, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. WHEN REPLACEMENT PARTS ARE REQUIRED, BE SURE TO USE REPLACEMENT PARTS SPECIFIED BY THE MANUFACTURER. Proper service and repair is important to the safe, reliable operation of all Hisense Electric Co., Ltd Equipment.

  • Page 4: Warning

    undertaken any such broad evaluation. Accordingly, a serviceman that uses a service procedure or tools, which are not recommended by Hisense, must first satisfy himself thoroughly that neither his safety nor the safe of the equipment will be jeopardized by the service method selected. Hereafter throughout this manual, Hisense Electric Co., Ltd will be referred to as Hisense.
  • Page 5 All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce life drastically. When repairing, make sure that you are connected with the same potential as the mass of the set by a wristband with resistance.
  • Page 6 -The insulation of the mains lead should be checked for external damage. 1.1.6 (1) Do not touch Signal and Power Connector while this product operates. Do not touch EMI ground part and Heat Sink of Film Filter. (2) Do not supply a voltage higher than that specified to this product. This may damage the product and may cause a fire.

  • Page 7: Notes

    cause electric shock. (8) Do not damage or modify the power cable. It may cause fire or electric shock. (9) If the power cable is damaged, or if the connector is loose, do not use the product: otherwise, this can lead to fire or electric shock. (10) If the power connector or the connector of the power cable becomes dirty or dusty, wipe it with a dry cloth.
  • Page 8 been turned off. • While the main power is on, do not touch any parts or circuits other than the ones specified. If any connection other than the one specified is made between the measuring equipment and the high voltage power supply block, it can result in electric shock or activation of the leakage-detection circuit breaker.
  • Page 9 original routing and fixing configuration when servicing is completed. All the wires are routed far away from the areas that become hot (such as the heat sink). These wires are fixed in position with the wire clamps so that the wires do not move, thereby ensuring that they are not damaged and their materials do not deteriorate over long periods of time.

  • Page 10: Product Specifications

    2. Product Specifications 2.1 Main board layout 2.1.1 1Main board: 6374 Component/AV Audio The Top: Component/AV Video VGA Audio MSD6308 Cable HDMI - 10 -...
  • Page 11 Side terminal-1: Side terminal-2: - 11 -...
  • Page 12 Bottom: - 12 -...

  • Page 13: This Service Manual Includes Tv

    2.2 This service manual includes TV Main board & power Model Panel Mode LVDS(Main-Panel) board RSAG2.908.6374-01\ROH LHD32K220TWAM HD315DH-B12 HX2-2×20KLB90P\90.0\无\ROH LTDN40K221TWAM HS*HD396DF-E01 HX2-2×20KLB150P\150.0\无\ROH RSAG2.908.6374\ROH 2.3 TV Front and Rear TV Front - 13 -...
  • Page 14 TV Rear - 14 -...

  • Page 15: Factory/Service Osd Menu And Adjustment

    3. Factory/Service OSD Menu and Adjustment 3.1 How to enter the Factory OSD Menu With user’s RC Power on the TV. 1. Press “Menu” button and call up User OSD Menu. 2. Select “ Sound” -> “Balance” item. 3. Press number key 1->9->6 ->9 in sequence when “Balance” item is focused. Note: If necessary, re-do number keys.
  • Page 16 Option: Init: - 16 -...
  • Page 17 Version: 3.2.2、Design Menu Note ： The above “Factory/Service OSD Menus” are reference only, please refer to the actual unit to determine the appearances. - 17 -...

  • Page 18: Software Updating

    4. Software updating Software updating includes Mboot write and main software update. Usually first write Mboot to nand flashWith (MSTV_Tool.exe) then can update main software With SecureCRT. 4.1 Updating main board with SecureCRT 4.1.1 Hardware connecting You can update the software through a special tool (as following) Connect the Debug board to the TV use the RS232 (4 pin), the other USB port to the PC.
  • Page 19 For MTK chassis,the bebug boad set as following. MTK chassis connector to the second.position.from left. 4.1.2 First use Mstar bebug Tools,and you have to install drive software for bebug board. If your PC is Windows XP system: 1、First install FTCUNIN.EXE of FTC100103(MSTAR) rar file in your PC. This is a drive software of Mstar Another: If your PC is Win7 system, you will have to install CDM20802_Setup_WIN7 rar file，...

  • Page 20: Write Mboot Software To Nand Flash

    Please follow these steps:  a) Copy  the  USBUpgrade.bin  to  the  root  directory  of  an  USB  disk.  Insert  the  USB  disk  to  the  board.  b) Connect the board with your PC via the debug tool. Open the software of SecureCRT in your  PC.  c) AC power on the board while pressing the Enter key of your PC.  d) Check that there is a “nugget#” in the SecureCRT window.    e) Input “usb start 1” and press Enter key.      Note: If it says “Error” like below picture, please input “usb start 0” and press Enter key.    f) Input “ustar” and press Enter key.    g) It will be upgraded automatically and restart.     ...
  • Page 21 b) Set I2C parameters.  Click I2C‐> Set I2C to open the window of below and adjust the I2C Speed to 30.        c) Load the Mboot files.  Click View‐>Eagle/Nugget NAND Program to open the window below.  - 21 -...
  • Page 22   Load the 3 files to the window as below.    d) Click Program button above and it will write Mboot files to the Nand flash.  e) When  you  see  the  Status  become  to  “Status: Success, Please reset power”,  please  wait  for  2  minutes and then close the MSTV_Tool.   f) AC power off the board.  Now you can upgrade the USBUpgrade.bin file with serial command following the steps in section 1.

  • Page 23: Upgrading With The Usb Disk

    4.3 Upgrading with the USB disk 4.3.1 TV in normal state 1. Copy the “USBUpgrade.bin” file that MBoot and main software named to the root directory of two USB disks respectively. 2. Insert the USB disk into the USB slot of the TV SET. 3.

  • Page 24: Troubleshooting

    6. After update succeeds, TV SET will restart automatically. 7. First update the Boot software, second update the main software. In order to convenience, prepare two USB disks to save different software respectively. 5.Troubleshooting 5.1 Troubleshooting for Remote Control Remote control does not work Try new batteries Replace battery Replace RC...

  • Page 25: Troubleshooting For Function Key

    5.2 Troubleshooting for Function Key Buttons does not work Check solder connections and Check switches see if any switches are stuck. Replace Key BD Check key board Check Key BD cable Change Key BD Replace main board - 25 -...
  • Page 26 5.3 TV won’t Power On TV won’t power on Make Sure Power Check Power source is live light? Output Replace Check Power BLUE Power Cord Cord Check/replace IR Only BD or Keypad one works Try Power on by Check signal RC and Button Panel Bright Source...

  • Page 27: Troubleshooting For Audio

    5.4 Troubleshooting for Audio No sound Reconnect Check connecter Replace speaker wire Check speaker wire Replace speaker set Check speaker set Replace main board Power Supply Board - 27 -...
  • Page 28 - 28 -...
  • Page 29 5.5 Troubleshooting for TV/VGA/HDMI input No picture on the screen Check Signal Source Make sure signal source is available Reconnect Check connect Replace cable Check cable Replace main board - 29 -...

  • Page 30: Troubleshooting For Ypbpr Input

    5.6 Troubleshooting for YPbPr input No picture on the screen Check Source work or not Check Source Device Reconnect Check connect Check Wires (Green Blue, Red) Replace wires Replace main board - 30 -...

  • Page 31: Circuit Instruction

    5.7 Troubleshooting for Video input No picture on the screen Check Source work or not Check Signal Source Reconnect Check connect Replace Cable/Wires Check Cable/ Wires Replace main board 6. Circuit instruction 6.1 Power assign and signal block diagram - 31 -...
  • Page 32 - 32 -...

  • Page 33: Schematic Circuit Diagram

    7. Schematic circuit diagram 8. Explode View - 33 -...
  • Page 34 5V_STB/2A +3.3V_Standby/300MA AMS1117-3.3V +5V_MHL/1A SWITCH +1.15V_VDDC/3A MP1495 5VAIN/3A 5VAIN +1.5V_DDR/250MA TPS54328 1117ADJ MSD6308RTE-SW PWR-ON/OFF 5VAIN +3.3VAl/200MA AMS1117-3.3V +1.2V_DEMOD AMS1117-1.2V POWER IN 5VAIN 3.3V_Tuner/250MA AMS1117-3.3V 5VAIN 5V_USB/1A FUSE VCC-Panel /1.5A +12V 12V/2A TAS5707 HDMI1 HDMI2 NAND_FLASH HDMI输入X3 4GBITS HDMI3 SPI FLASH 16MBITS/NC VGA输入X1 EEPROM...
  • Page 35 Power Input +3.3V_Standby 5VAIN BL-ON/OFF BL-ON/OFF BL-ADJUST BL-ADJUST 4.7k 4.7k/NC R22 0R/NC BL-ON/OFF VBL_CTRL VBL_CTRL MMBT3904LT1 4.7k 3.3VA 12VS 5Vstb R12 0R/NC BL-ADJUST C447 C448 4.7k/NC BRI_ADJ BLM21PG220SN1D BRI_ADJ 10u/16V 10u/10V MMBT3904LT1 4.7k 4.7k/NC 10u/16V/NC Power for Panel 12VS VCC-Panel VDD_Panel +12V +12V...
  • Page 36 video NAND & CI & TS & Front End POWER&GND Close to MST IC RGB Interface with wide trace PCM_D0 TS0_D0 +1.5V_DDR PCM_D1 TS0_D1 R201 C202 47n/16V RIN0 VGA-R PCM_D2 TS0_D2 R202 C375 47n/16V GIN0N PCM_D3 TS0_D3 VDDC AVDD_DDR_CMD0 R203 C204 47n/16V GIN0...
  • Page 37 MSD MIU AVDD_DRAM R304 DDR3_RESETB DDR3_RESETB DDR3_CKE DDR3_CKE R306 R305 240R MSD6308RT MARK MARK MARK Hisense Electric Co.,Ltd. Hisense Electric Co.,Ltd. Hisense Electric Co.,Ltd. No.11,Jiangxi Road,Qingdao,China No.11,Jiangxi Road,Qingdao,China No.11,Jiangxi Road,Qingdao,China WWW.HISENSE.COM WWW.HISENSE.COM WWW.HISENSE.COM Title Title Title Hisense MSD6308RT Hisense MSD6308RT Hisense MSD6308RT Size Size...
  • Page 38 LVDS PORT A2006WSO-2X20P-K-W\ LVA0N LVA0N LVA0P LVA0P VCC-Panel VCC-Panel LVA1N LVA1N LVA1P LVA1P LVA2N Power decouple LVA2N LVA2P LVA2P LVACLKN LVACLKN LVACLKP LVACLKP LVA3N LVA3N LVA3P LVA3P LVA4N LVA4N LVA4P TCON_SDA TCON_SCL VCC-Panel LVA4P TCON_SDA TCON_SCL LVB0N BIT_SEL1 LVB0N BIT_SEL1 LVB0P LVB0P LVB1N...
  • Page 39 VGA_TX VGA-R VGA-R VGA-G VGA-G HS-RGB HS_RGB R232 100R VGA-HSYNC R231 VGA_RX VGA-B UART_RX VGA-B R227 VGA_TX UART_TX VS-RGB R234 100R VS_RGB VGA-VSYNC VGA_RX RV46 RV45 R230 R252 VGA-B AVLC18S02015 AVLC18S02015 VGA-G VGA-B VGA-R VGA-G VGA-R RV804 RV803 RV802 R242 R251 R253 AVLC18S02015...
  • Page 40 USB INTERFACE C83靠近USB插座放置 5V_USB 5VAIN USB POWER USB0 5V_USB C131 100n/16V C1123 C847 SMD1206P150TFT C1121 C1122 C130 10u/16V 100u/16V 100n/16V 10u/10V 10u/10V R125 5.1R USB1_DM 5V_USB_WIFI USB1_DM R126 5.1R USB1_DP USB1_DP I/O2 I/O1 ESDA6V8UBA WIFI/BLUE TOOTH EQUAL LENGTH and DIFFERENTIAL IMPEDANCE 90ohm XP903 5V_USB_WIFI...
  • Page 41 COAXIAL OUT C267 R373 SPDIF_OUT SPDIF_OUT SIGNAL1 黄 SIGNAL3 RV65 100n/16V 100R C268 R375 R378 200R 220p/50V/NC CLOSED TO MSD6308 AV&HDTV Input CVBS1-RCA RV41 R1002 0R RGB1-YPbPr_GIN+ CVBS1-RCA RGB1-YPbPr_BIN+ R/PB R236 RGB1-YPbPr_RIN+ L/PR 75R/NC RV42 AV_L AV_R R237 AV-RIN AV-RIN AV_L R239 AV-LIN...
  • Page 42 HDMI1 VD94 161311192\TP 靠近IC放置 HDMI0-5V HDMI0-RX2P DATA2+ DATA2S HDMI0-RX2N ESDA6V8UE DATA2- HDMI0-RX1P HDMI0-RX2P HDMI0_RX2P HDMI0-RX1P HDMI0-RX2N DATA1+ HDMI0_RX2P 5VAIN C264 HDMI0-RX2N HDMI0_RX2N I/O3 DATA1S HDMI0_RX2N 100n/16V HDMI0-RX1N HDMI0-RX1P HDMI0_RX1P DATA1- HDMI0_RX1P BAT54C HDMI0-RX0P HDMI0-RX1N HDMI0_RX1N R581 R568 HDMI0_RX1N DATA0+ HDMI0-RX1N HDMI0-RX2P DATA0S HDMI0-RX0N...
  • Page 43 SPEAKER AMP MUTE VCC-AA R316 0R/NC VCC-AA XP24 R317 0R/NC 5VAIN AMP-Lout+ VD13 5VAIN R321 R318 0R/NC POP_MUTE_DRV632 AMP-Lout- +12V 1k/NC 1N4148W R333 5VAIN 3.3VA AMP-Rout- LM3Z10VT1G/NC C463 3.3VA BLM21PG220SN1D AMP-Rout+ 1u/50V R326 R443 +12V 4.7k VCC-AA BLM18PG181SN1 BLM18PG181SN1 220u/25V 1N4148W R437 C342 10u/16V...
  • Page 44 ETHERNET PHY N100 MDI_TP TD1+_0 TX1+_15 NTX0+_0 CMT1 NTX0-_1 MDI_TN TD1-_2 TX2-_13 NRX0+_2 LAN_LED0 NRX0-_5 LAN_LED0 LAN_LED1 RJ-45 LAN_LED1 MDI_TP MDI_RP MDI_TP RD2+_5 RX2+_10 MDI_TN MDI_TN CMT2 MDI_RP MDI_RN MDI_RP RD2-_7 RX2-_8 PGND_9 MDI_RN MDI_RN PGND_10 PM44-11BP Y+_13 Y-_14 G+_11 G-_12 C105 RJ45-120010152...
  • Page 45 NAND FLASH NAND Power 3.3VA +3.3V_Nand +3.3V_Nand +3.3V_Nand +3.3V_Nand C364 C431 C432 NC_1 NC_48 100n/16V 100n/16V/NC 2.2u/10V NC_2 NC_47 NC_3 NC_46 NC_4 NC_45 NAND-D7 NC_5 I/O7 NAND-D6 NC_6 I/O6 NAND-RBZ NAND-D5 R/B# I/O5 NAND-REZ NAND-D4 I/O4 NAND-DQS NAND_DQS NAND-CEZ NAND_DQS NC_40 NAND-WPZ NAND_WPZ...
  • Page 46 I2C Address: Write:C0 Read:C1 T_SDA T_SCL IF-IN+ IF-IN- T_IF-AGC IF AGC 3.3V_Tuner B1_3.3V TUNER-SW RF_SW SHARP-VA4N1BC1201 Tuner Connector 使用FK1602或VA1P1BF8402时，C364、C367、C359和L32NC掉， 3.3V_Tuner C357=0R，C365=0R，R313=0R，R314=0R，R312=0R，R315=0R BPF FOR 38.9MHz OR 38MHZ R1000 R1001 C364 4.7k 4.7k R313 C357 C333 T_IF-AGC R117 100R IF-AGC-T IF-IN- 22p/50V BPF_OUT- VIFM C1116...
  • Page 47 PCB上变压器丝印只留T801 TRANSFORMER-10-HX 丝印只留C806 220p/1KV C806 R830 330R R831 330R RT801 VD924 R832 SCK10054LSY505 330R T803 BL-ADJUST BL-ADJUST R833 300V 330R F801 BL-ON/OFF HER307 TRANSFORMER-12-HX BL-ON/OFF 丝印只留C954 VD816 C954 TR53821400 R803 R802 R208 R835 C802 2.2n/1000V R808 RV801 L806 VD807 VD808 HER307 C859 C944...
  • Page 48 Date Change List 20150203 Release 1.增加N24及外围电路； 20150316 2.增加主芯片DEMOD部分1.2V和3.3V的供电 Hisense Electric Co.,Ltd. Hisense Electric Co.,Ltd. Hisense Electric Co.,Ltd. No.11,Jiangxi Road,Qingdao,China No.11,Jiangxi Road,Qingdao,China No.11,Jiangxi Road,Qingdao,China WWW.HISENSE.COM WWW.HISENSE.COM WWW.HISENSE.COM Title Title Title Hisense MSD6308RT Hisense MSD6308RT Hisense MSD6308RT Size Size Size Schematic Name Schematic Name Schematic Name <Doc>...
  • Page 49 RSAG8.807.5001 Side Label RSAG8.804.5450 18 Rear Cover RSAG6.170.0664 Bracket RSAG8.078.3992 Stand RSAG6.121.0554\GB2 Bracket RSAG8.038.4369 Terminal Bracket RSAG8.081.1371 Screw SJ2836-87 M3X8 Main Board RSAG2.908.6374 Terminal Bracket RSAG8.081.1206 LCD Panel HD396DF-E01 RSAG2.908.5415 Keypad Bracket RSAG6.356.0146 Bracket RSAG8.038.4368 Bracket RSAG8.078.4051 Speaker RSAG2.025.4723 LTDN40K221TWAM...

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