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Hisense LTDN32k316AM Service Manual

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LCD Television
Service Manual
Chassis： MSD1328
Product: LTDN32k316AM、LTDN42K310WAM
Ver 1.0
Hisense Electric Co.，Ltd.
July，2012

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Summary of Contents for Hisense LTDN32k316AM

  • Page 1 LCD Television Service Manual Chassis： MSD1328 Product: LTDN32k316AM、LTDN42K310WAM Ver 1.0 Hisense Electric Co.，Ltd. July，2012...

  • 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 - 2.1Main Board: ............................- 10 - 2.2 Following products are Chassis MSD1328: ..................- 11 - 3.

  • Page 3: Service 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. The service procedures recommended by Hisense and described in this Service Guide are effective methods of performing service operations.

  • Page 4: Warning

    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. 1.1 Warning 1.1.1...
  • Page 5 that you are connected with the same potential as the mass of the set by a wristband with resistance. Keep components and tools also at this same potential. 1. Never replace modules or other components while the unit is switched on. 2.
  • Page 6 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. (3) Do not use this product in locations where the humidity is extremely high, where it may be splashed with water, or where flammable materials surround it.

  • Page 7: Notes

    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. Otherwise, this can lead to fire. (11) Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus.
  • Page 8 equipment and the high voltage power supply block, it can result in electric shock or activation of the leakage-detection circuit breaker. • When installing the LCD module in, and removing it from the packing carton, be sure to have at least two persons perform the work. •...
  • Page 9 that they are not damaged and their materials do not deteriorate over long periods of time. Therefore, route the cables and fix the cables to the original position and states using the wire clamps. • Perform a safety check when servicing is completed. Verify that the peripherals of the serviced points have not undergone any deterioration during servicing.

  • Page 10: Product Specifications

    2. Product Specifications: 2.1Main Board: Take LTDN32k316AMmain board（4900）for example: AV OTU HDMI Coaxial Tuner Earphone Cable Air MSD1328 PC Audio Comp/AV1/AV2 HDMI Ethernet - 10 -...

  • Page 11: Following Products Are Chassis Msd1328

    Bottom: Note ： Above “Main board image”is only for LTDN32k316AM, other products please look for the actual units to determine the boards. 2.2 Following products are Chassis MSD1328: Model Panel Mode LVDS(Main-Panel) LTDN32k316AM HE315FH-E58\PW1\ROH FFC-30-367\ROH LTDN42K310WAM HE420FF-B57(1000)\ROH HX2-2x22KLB450P-CMO\ROH - 11 -...

  • Page 12: Factory/Service Osd Menu And Adjustment

    3. Factory/Service OSD Menu and Adjustment 3.1 To enter the Factory OSD Menu a. With factory RC (remote control) 1. Press “M” button and enter factory mode.(Note1) 2. Press “Menu” button and enter factory OSD menu. 3. Press “CH+”/“CH-” button select the function menu, press “VOL+”/“VOL-” enter the selected function menu.
  • Page 13 Option Factory Menu TO FAC : M or U White Balance LOGO: Hisense Auto Calibration OSD language: English Option Power Mode Memory Init Set MAC_ADDR Test Pattern PVR_RecordALL Version HDCP Uart enable C1 Key Null White Balance R-DRV: G- DRV:...

  • Page 14: Software Updating

    4. Software updating Software Upgrading includes MBoot and main software. Usually first update MBoot then main software. With ISP_Tools、Tftp and SecureCRT upgrading Tools. 4.1 Upgrading Mboot software with the ISP-Tool 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 15 3、Double click the ISP_TOOL4.5.0.4 icon, and then a dialog window will show as below. 4、Click the” Config “button. And then a dialog window will show as below. Draw on the front of “Use USB” Port Type setting is USB Base Addr setting is 0x38C ISP Slave Address choose 0x92 Serial Debug Slave Address choose 0xB2，...
  • Page 16 5、Click the “Connect”button，if appear the following figure, It indicates that the ISP_TOOL has connected.(According to the tv set,”Device Type” maybe different.) If appear the following figure，It indicates that the ISP_TOOL has not connected. Please click the“DisCon”button and “Connect”button to connect.. 6、Click the“Read ”button，Choose the correct update file。...
  • Page 17 7、After the update file has been chosen successfully。 Click the“Auto”button and choose parameters as following。 8、Click the “Run” button and wait update end. If show any error message ，then do “Dis Con” >> “Connect”，and click the “Run” button again，till show the following dialog window. - 17 -...

  • Page 18: Upgrading Main Software With Tftp32、Securecrt

    4.2 Upgrading main software with Tftp32、securecrt a) Run Tftpd32.exe. Browse the Base Directory file “*_dtv.a7” Settings as following, late click “OK”. b) Run Securecrt.exe to set up a serical seccion. Select FileConnectNew seccion     - 18 -...
  • Page 19 AC power off the TV, this time the mouse must lies on the Securecrt interface. then AC power on the TV, at the same time press “enter” key. you will see“<<mstar>>#”on the Securecrt interface. (the following image). Next input : set ipaddr 192.168.5.200;set serverip 192.168.5.211;saveenv ,then press - 19 -...
  • Page 20 “enter” key. late input: “mstar mscript/auto_update.txt”to update (the following image).note1 After software update has finished, the TV OSD appears following. Note: 1) Serverip “192.168.5.211”is PC LAN IP address. When update the main software,you must replace you PC IP address with 192.168.5.211,and net mask with 255.255.255.0 . - 20 -...

  • Page 21: 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 22: Network Online Updating

    4. Press “OK”, it will show a confirm message box, Press [◀] button to select “yes” in the confirm message box, TV will restart and start automatic update. 5. Then it will update the software automatically, Please don’t power off during the updating process.
  • Page 23 Third, Checking if there is new firmware.. If there is new firmware on our server, you will see the dialog below and press arrow continue firmware download..Note2 - 23 -...
  • Page 24 Next This time download has finished, next to automatically update the firmware. Note: 1) It will take sometimes to complete the upgrade. The time depend on your network speed. - 24 -...
  • Page 25 Don’t Turn off TV during upgrading. 2) If there is no new firmware on our server, see the dialog below. 3) If there is no network or not correctly connected it. See the below dialog below. - 25 -...

  • Page 26: Circuit Instruction

    5. Circuit instruction 5.1 Power assign and block diagram - 26 -...

  • Page 27: Main Board Signal Process

    5.2 Main board signal process - 27 -...

  • Page 28: Troubleshooting

    5.3 Troubleshooting 5.3.1 Troubleshooting for Remote Control Remote control does not work Try new batteries Replace battery Replace RC Replace remote control Check IR receiver Change Led & IR board Replace Led & IR BD Change Led & IR cable Replace Led &...
  • Page 29 5.3.2 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 - 29 -...
  • Page 30 BD or Keypad one works Try Power on by RC and Button Check signal Panel Bright Source Neither Both works Work Replace Main Replace Main BD Power on Replace Panel (to contact Hisense tech support.) Replace Power BD - 30 -...
  • Page 31 5.3.4 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 - 31 -...
  • Page 32 5.3.5 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 - 32 -...
  • Page 33 5.3.6 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 - 33 -...
  • Page 34 5.3.7 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 - 34 -...

  • Page 35: Schematic Circuit Diagram

    6. Schematic circuit diagram 7. Explode View - 35 -...
  • Page 36 XP801 LED1- LED1+ C804 BCP56-10T1G N881 LED2+ R905 R970 R802 C804 F800 V801 R827 XP-04 F800 R970 R802 C806 VD824 L800 R971 R804 L801 NTC5D-15 C806 C826 XP800 RT800 R837 BLSW C813 R971 R804 R910 1N4148 XP803 R972 R809 R832 C813 C824 V810...
  • Page 37 10mH L702 Power PCB:4543 NTC5D-20 10mH 120V L701 L703 C805 RT801 VD702 F801 RV801 102/AC250V 300v LED1+ T6.3A/250VAC 10D561 300V 10mH R801 MUR460 C807 C715 L801 270k L802 XP801 102/2KV C716 R722 C701 10u/350v R802 C808 510k C902 NC104/250v 270k 474/AC275V C915 XP-02...
  • Page 38 TO Inverter Board Power Input 3.3Vstb Power Input 0R/NC 0R/NC 新电源板规范接口标准 4.7k/NC 4.7k/NC 4.7k 4.7k Standby 兼容老电源板规范接口标准 BL-ON/OFF XP20 XP20 VBLCTRL-P2 VBLCTRL-P2 2SCR523EB/NC 2SCR523EB/NC 2SCR523EB 2SCR523EB XP18 XP18 4.7k/NC 4.7k/NC 5Vstb 3.3Vstb BL-ADJUST BL-ON/OFF STANDBY: 2.2u/10V/NC 2.2u/10V/NC +12V 10k/NC 10k/NC C515 C515 HIGH->NORMAL...
  • Page 39 5V_USB_WIFI HUB 1_8V HUB 1_8V HUB 1_8V BLM18PG121SN1 BLM18PG121SN1 100n/16V 100n/16V VD_PLL 10u/16V 10u/16V C517 C517 C518 C518 C519 C519 XP12 XP12 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 5.1R 5.1R USB0_DM 5.1R 5.1R USB0_DP VD50 VD50 GND_4 PIN 3 PIN 29 PIN 9 HUB 3_3V HUB 3_3V HUB 3_3V...
  • Page 40 1.Ball G7, Ball G8, Ball F7, Ball D6, Ball E7 ONLY SOCKET BOARD HAVE,两层板 不建议使用，会割地 N89C N89C N89B N89B N89D N89D TS1_OUT_D[7:0] 6 HDMI1-RX0N AC12 TS1_OUT_D0 PWM0 ON_PCMCIA 2.2u/10V 2.2u/10V R535 R535 RP10 RP10 RCA_AU_IN_0L 5 A_RX0N LINE_IN_0L TS1_D0 PWM0/GPIO66 LVB0N/RLV6N RXO0+ HDMI1-RX0N...
  • Page 41 AVDD_DDR0 N89A N89A A_DDR3_MCLK R159 R159 A-DDR3_MCLK A_DDR3_MCLKZ R160 R160 A-DDR3_MCLKZ A_DDR3_A0 B_DDR3_A0 A_DDR3_A0/DDR2_A5 B_DDR3_A0/DDR2_A5 A_DDR3_A1 B_DDR3_A1 A_DDR3_A1/DDR2_A13 B_DDR3_A1/DDR2_A13 N89F N89F A_DDR3_A2 B_DDR3_A2 A_DDR3_CKE A-DDR3-CKE A_DDR3_A2/DDR2_A9 B_DDR3_A2/DDR2_A9 A_DDR3_A3 B_DDR3_A3 A_DDR3_A10 A-DDR3-A10 H5TQ1G63DFR-H9C H5TQ1G63DFR-H9C A_DDR3_A3/DDR2_A10 B_DDR3_A3/DDR2_A10 A_DDR3_A4 B_DDR3_A4 VDDC VDDC A_DDR3_A4/DDR2_A2 B_DDR3_A4/DDR2_A2 A_DDR3_A5 B_DDR3_A5...
  • Page 42 HDMI-1-SCL ASES12U020R2 ASES12U020R2 HDMI-1-SDA ASES12U020R2 ASES12U020R2 HDMI-2-SCL ASES12U020R2 ASES12U020R2 HDMI-2-SDA ASES12U020R2 ASES12U020R2 HDMI1 HDMI-3-SCL RV12 RV12 ASES12U020R2 ASES12U020R2 HDMI-3-SDA RV18 RV18 ASES12U020R2 ASES12U020R2 HDMI1_HPDIN HPDET HDMI1_VCC HDMI1-5V HDMI1-5V R232 R232 HDMI1-5V CEC/GND HDMI-1-SDA 100k 100k HDMI-1-SCL C216 C216 100n/16V 100n/16V HDMI1_CEC R234 R234...
  • Page 43 AV 1 VGA_RX R188 R188 100R/NC 100R/NC UART-RX VGA_TX R189 R189 100R/NC 100R/NC UART-TX VGA_TX DDC_SCL R191 R191 100R 100R AV1_V SC_CVBS-IN VGA_RIN+ DDC_SDA R192 R192 100R 100R VGA_GIN+ RV37 RV37 SC_CVBS-IN VGA_RIN+ RV60 RV60 AVLC18S02015 AVLC18S02015 DDC_SDA VGA_BIN+ RV38 RV38 R209 R209...
  • Page 44 TC90517 3.3V_Demod DEMO POWER R339 R339 B3_3.3V 3.3V_Demod 4.7k 4.7k R340 R340 LD1117A-3.3AZ1117H-3.3 LD1117A-3.3AZ1117H-3.3 60mA 100R 100R Demod_RST# BLM18PG121SN1 BLM18PG121SN1 VOUT R342 R342 100R 100R I2C-SCL C275 C275 C269 C269 C274 C274 C279 C279 C294 C294 C267 C267 C271 C271 R341 R341 100R...
  • Page 45 XS13 XS13 NTX0+_0 NTX0-_1 NRX0+_2 TD1+_0 TX1+_15 NRX0-_5 R287 R287 R288 R288 CMT1 RJ-45 RJ-45 TD1-_2 TX2-_13 C229 C229 C225 C225 1n/2KV/NC 1n/2KV/NC PGND_9 1n/2000V 1n/2000V PGND_10 RD2+_5 RX2+_10 R289 R289 R290 R290 CMT2 RD2-_7 RX2-_8 LAN-LED1 Y+_13 PM44-11BP PM44-11BP Y-_14 REGOUT LAN-LED0...
  • Page 46 LVDS CONNECTOR XP19 XP19 VCC-Panel VCC-Panel VCC-Panel LVDS_SL/SCL R426 R426 R425 R425 AI/SDA 3D Sync LVDS_SL/SCL BRI_EXT/DIS R450 R450 0R/NC 0R/NC R178 R178 100R/NC 100R/NC C190 C190 C213 C213 VCC-Panel 27k/NC 27k/NC BRI_OUT R448 R448 0R/NC 0R/NC R141 R141 100R/NC 100R/NC 3D_EN 2 R179...
  • Page 47 SPEAKER AMP +12V VCC-A L42 STPB2012-121PT/NC L42 STPB2012-121PT/NC L39,For 32"/37" L40,For 40"/46" L43 STPB2012-121PT L43 STPB2012-121PT VCC-A MUTE Function Power On Mute VD14 VD14 C463 C463 +3.3V +3.3V MUTE BLM21PG220SN1D BLM21PG220SN1D POP_MUTE_DRV632 Power Off Mute 1u/50V 1u/50V XP11 XP11 1N4148W 1N4148W 220u/25V 220u/25V...
  • Page 48 电源供电方案I 380mA 5Vstb 3.3Vstb +12V_IN 磁珠 AMS1117-3.3 TPS54426 1100mA 1.05V MP1492 200mA 5V-TUNER CW78D05CZ +12V A4459 1000mA +12V_IN 5V_USB 磁珠 TPS54426 磁珠 500mA 230mA +3.3V AMS1117-3.3 VCC-Panel A4459 340mA +1.5V_DDR3 AZ1084S-ADJ 150mA VCC-A +2.5V_Normal 磁珠 LD1117A-2.5AZ1117H-2.5 1100mA 电源供电方案II 1.05V MP1492 VCC-Panel A4459 200mA...

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