Changhong Electric UD55GHE6000Ai Maintenance Manual
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Changhong Electric UD55GHE6000Ai Maintenance Manual

Changhong Electric UD55GHE6000Ai Maintenance Manual

Led colour tv chasis: hls71ej-iu
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LED COLOUR TV
MAINTENANCE MANUAL
CHASIS: HLS71EJ-iU
MODEL:UD55GHE6000Ai
1

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Summary of Contents for Changhong Electric UD55GHE6000Ai

  • Page 1 LED COLOUR TV MAINTENANCE MANUAL CHASIS: HLS71EJ-iU MODEL:UD55GHE6000Ai...

  • Page 2: Table Of Contents

    Please read this manual carefully before maintenance Chapter1 Safety and notes ..............................3 1.1 Installation notes ..............................3 1.2 Attention points of operation and using ....................... 3 1.3 Storage notes ................................ 3 1.4 Dismantling notes ..............................3 1.5 High-voltage warning............................4 Chapter2 whole machine standard and terminal functions ....................

  • Page 3: Chapter1 Safety And Notes

    Chapter1 Safety and notes 1.1 Installation notes (1) Please don't beat or rub, scratch the surface of the LED screen heavily, don’t touch it with your hand casually. (2) When the screen is dirty, please clean it with absorbent cotton or cotton cloth slightly. (3) Please clean it timely when water or other viscosity pollution fall, which may make the LED face or color change.

  • Page 4: High-Voltage Warning

    direction of each line, especially the direction of the screen line, in case of causing accident when install. Before dismantle, we can take some photos of the line route for the comparison of installing. (4)After check and maintenance, please assure that there is no foreign body in the machine when install. 1.5 High-voltage warning The high-voltage of the LED screen is generated by the power supply board, without attention to exposure to the high voltage, one may meet a serious electricity shock.

  • Page 5: Introduction Of Terminals(Practicality Photos)

    2.2 Introduction of terminals(practicality photos) ATTENTION: 1. YPbPr support to 1080p； 2.YPbPr and AVIN use the same port to input audio of R/L; 3.USB1 and USB2 support to USB2.0; Power input VBO output EEPROM programme port WIFI port board connector RF Input Audio output S2 tuner...

  • Page 6: Chapter3 Main Chip Functions And The Introductions Of Power Supply

    Earphone PC AUDIO AV&YPBPR input Coax（optical） USB1 USB2 Chapter3 Main chip functions and the introductions of power supply 3.1 Main IC and functions of HLS71EJ-IU Item no. Model(EXAMPLE) Main function RT9108NBGCP、TPA3136D amplifier MSH6110A 12V to 1.05V VDDC_CPU DC-DC SY8089AAAC、TPS562201 5V to 1.5V DC-DC LR1117/A-3.3$AZ1117H-3.3T R$LD1117S33TR$AMS1117-3.
  • Page 7 LR1117/A-3.3$AZ1117H-3.3T R$LD1117S33TR$AMS1117-3. 3$LM1117MPX-3.3$NCP1117 5V to 3.3V LDO(for tuner) ST33T3$SPX1117M3-3.3$CW 1117CB-3.3V PH1102G NETWORK SOCKET RT5047GSP ME4953$AO4803$SSF4953 power switch for panel UE6:AO4803 UE7： MP2225GJ UL1： AO4803 UM3：EEPROM UE2:MSH6110A UR4： DDR UE5：LD0 3.3VA UR3： DDR UE4:LDO 3.3VS UM1:MSD6586PYE-8-0087 UM2： EMMC UA1：amplifier UZ1： RT5047GSP UE8：...

  • Page 8: Pin Function Description Of Hls71Ej-Iu Chip

    3.2 Pin function description of HLS71EJ-IU chip 3.2.1 MSD6586 recommended operating power conditons 3.2.2 MSH6110A DC-DC brief introduction Pin NO. Pin Name Function Enable control Input Feedback Voltage Input 5V Regulator Output（cann’t provide external VRGE5 current sinke） Switch Node of Buck Convert Supply of High Side MOSFET Driver Circuit PVDD Power Supply...

  • Page 9: Tps562201 Brief Introduction

    TPS562201 3.2.4 Brief introduction TPS563201 3.2.4 Brief introduction...

  • Page 10: Tpa3136D Brief Introduction

    TPA3136D 3.2.4 Brief introduction...

  • Page 11: Tuner R842 Brief Introduction

    3.2.8 Tuner R842 Brief introduction Chapter4 The chassis frame diagram, mainboard power supply systems, mainboard interface definition This chapter mainly introduce the chassis frame diagram, power supply system, interface definition 4.1 Power supply system Power board has two kinds of output voltage: +12V...

  • Page 12: The Composition And Distribution Of The Tv Power Supply

    4.1.1 The composition and distribution of the TV power supply...
  • Page 13 4.1.2 Pin voltage of the voltage adjustor on the mainboard 12VS-12VA 5VS-5VA 12VS-12Vpanel 12VS-5VS 5VA-3.3VA 12va-1.05V 5VS-3.3VS 12VS-1.5V 12VA-1.1V LNB:13/18V 5VA-3.3VTU item No. output voltage 1.1V 3.3VS 1.05VA 1.5VA 3.3VA 12VA/5VA DZ3 （ -） item No. output voltage 3.3VA 12VA 12VA 13/18V 12VA...

  • Page 14: Interface Definition

    4.1.3 Interface definition 5VEXT EE_WP SCL SDA GND STB BL-ADJ BL-O/F GND NC GND GND GND GND WAKE WIFI_DP WIFI_DM 5V-WIFI WIFI_RST RF-ON/OFF5V 3D_SYNC POWER_ON-TV ON-TV 5VS_RF IR_DATA USB_DM_P0-R USB_DP_P0-R USB_DP1N1 USB_DMIN1 3D_SYNC-RF Chapter5 Software upgrade instructions 5.1 Software upgrade method---there are two kinds of upgrade methods 1.
  • Page 15 2. Open the ISP_Tool,click “Auto”and set as fallows. 3. click “Read”and refer to fallows to ensure your code is right .
  • Page 16 3. finally,choose “connect” and click “RUN”,you will see the progress bar,if your mboot burn finish,you can see “PASS”.
  • Page 17 Notice: 1.when you click “RUN”,if the “Device Type is eMMC”isn’t appear,it means you are fail;you should check chip-decoding successfully and ISP_TOOL set is right 2.when you decode successfully, you can’t power down,if not,you must do again. 3.if you burn mboot fail,you can try again or change a computer. 6.
  • Page 18 6.2 Set the parameter as follow Notice：Please according to your computer to set the “port”. 6.3 Click “Connect”,It will display the picture as follow: 6.4 Click “Finish”,It will display the window as follow:...

  • Page 19: Software Upgrade Method2：Use A U Diskincluding The Upgrade Programme Directly Upgrade

    6.5 reset power，and click “Enter”key on the keyboard of your computer, the window will display as follow： 7. Copy the right bin file to U disk, the file name is: pgrade_HLS71FJi1_V0.000N.bin ,then insert the U disk to USB 2.0 port. 8．Input “cu”...
  • Page 20 2. Press the "SETTING" button on remote control , select the "About" item, press "OK" key to enter the next step: 3. Then select the "System Upgrade" item, press "OK" key to enter the next step: 4. Then select the "USB Upgrade" item, press "OK" key to enter the next step: 5.
  • Page 21 3. Press "right key" on remote control to select the following page: 4. If need to upgrade the MAC address select “ ” Then press the "OK" button to automatically update； select ” Then press the "OK" button “ 5. If need to upgrade HDCP 1.0 KEY to automatically update；...

  • Page 23: Chapter6: Classical Accident Maintenance Procedures And Examples

    Chapter6: Classical accident maintenance procedures and examples 6.1 The thinking of don’t boot The power is not connected. 6.2 Common problems for your reference To speed you to dignose and solve problems, the following commom problems are offered for your reference.
  • Page 24 "BACK" key to return to the previous menu, press "MENU" key to exit the menu. The first The second items The third items value Function description menu 1、SW INFO SW Version Built time SW name Mboot version Product Check MAC write or not Panel Check KEY write or not MAC address...
  • Page 25 Panel data update 4、Tuning setting TV search Preset channel Auto/PAL/NT Choice color system Color sys. SC/SECAM D/K，B/G，I， Choice sound system Sound sys. Tuner R842 Step width 1 Non-standard VIF VIF_AGC_REF 32~128 Step width 1 VIF_CR_KP 0~255 Step width 1 VIF_CR_KI 0~255 VIF_ASIA_SIGNA on/off...

  • Page 26: Expert

    Panel UD mirror on/off ERROR/WAR N/INFO/DEB DEBUG UG/VERBOS EEPROM init Uart debug Enable with network wake up ON/OFF ON/OFF Uart on/off Watch dog on/off Clean APP off/type1/type HDMINonstandard 2/type3 7、SSC lvds SSC enable Step width 1 Lvds SSC Span 0~10000 Step width 1 Lvds SSC step 0~300...

  • Page 27: Specific Application Support

    Man machine 0/1/2/3/4 interface Low speed 0/1/2/3/4 communication Content control 0/1/2/3/4 Host language 0/1/2/3/4 country CAM upgrade 0/1/2/3/4 Operator profile Specific application support Application man machine interface Program map table no used Host service shunning Canal ready authentication Default TX/RX V-PID 43779 A-PID...

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