Related Manuals for Changhong Electric LED32HTC2000E
Summary of Contents for Changhong Electric LED32HTC2000E
- Page 1 LED COLOUR TV MAINTENANCE MANUAL CHASIS: HLS49J（MSD308B） MODEL: LED32HTC2000E (JUC7.820.00084054) Please read this manual carefully before maintenance...
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Page 2: Table Of Contents
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 ......................4 2-1 Basic standard................................4 2-2 Introduction of terminals(practicality photos) ......................5 Chapter3 Main chip functions and the introductions of power supply ..................6 3-1 Main IC and functions of HLS49J ..........................6 3-2 Pin function description of HLS49J chip........................7... -
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)
power supply AC100V~240V, 50/60Hz Power power achievement <150W operation temperature + 0° ~ + 40° ， requirement for environment storage temperature - 20 ° ~ + 60° operation humidity 10% ~ 85% appearance size W x H x D net weight no accessory 2-2 Introduction of terminals(practicality photos) Lvds output... -
Page 6: Chapter3 Main Chip Functions And The Introductions Of Power Supply
Chapter3 Main chip functions and the introductions of power supply 3-1 Main IC and functions of HLS49J No. Item no. Model(EXAMPLE) Main function U001 AMS1117/A-3.3 5V to 3.3V LDO U200 MSD308B Video decoder, image processor, A/D and D/A conversion U201 H5TQ1G63DFR-PBC DDR3 U205... -
Page 7: Pin Function Description Of Hls49J Chip
3-2 Pin function description of HLS49J chip 3-2-1 MSD308B recommended operating power conditons (The Main Chip cancel 1.8V Supply Voltages because of DDR3 supplied by 1.5V ) Parameter Symbol Unit 3.3STB Supply Voltages 3.14 3.46 DD_33 3.3V Supply Voltages 3.14 3.46 DD_33 1.5V Supply Voltages... -
Page 8: Brief Introduction Of Power Supply
3.3 Brief introduction of power supply PS-ON mainbord power supply. BL-ON Use for LED backlight power supply. AC input AC100-240V 50/60HZ 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... -
Page 9: Power Supply System
4-1 Power supply system Power board has two kinds of output voltage: +12V 4-1-1 The composition and distribution of the TV power supply 12VU Q810 LVDS POWER U700 TPA3110D L713 U806 Memory U205 FLASH U804 LDO-3.3V U805 LDO-3.3V Q812 2.5V D802 U808 LDO-1.5V U201 DDR3... -
Page 10: Pin Voltage Of The Voltage Adjustor On The Mainboard
4-1-2 Pin voltage of the voltage adjustor on the mainboard PIN1,2,3=12V 1.5V 1.15V 1.2V 3.3V 3.3V 3.3V item No. Q810 U808 U001,U805,U804 D802 U809 UT003 output voltage 1.5V 3.3V 2.5V 1.15V 1.2V... -
Page 11: Interface Definition
4-1-3 Interface definition OUTL+ OUTL- OUTR+ OUTR- 5VSTANDY IR-IN LED-R LED-G KEY1 KEY0 Chapter5 Software upgrade instructions 5-1 Software upgrade tooling---there are two kinds of using upgrade tooling 1.Use the combined interface(the parallel port) upgrade tooling: use the upgrade programme: TV Utility_4.4. -
Page 12: Software Upgrade Introduction
Combine interface or USB Computer upgrade LED TV tooling 5-2 Software upgrade introduction 1. Set up ISP Tooling to upgrade the mboot software 2.Open the ISP tooling and select “Connect”... - Page 13 3.Pls select “OK” once you connect the tooling successfully 4.Select “Read”...
- Page 14 5. Choose right mboot document and open the file. 6. Select “Auto”...
- Page 15 7. Select “Run”. 8. The mboot is updating.
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Page 16: Chapter6: Classical Accident Maintenance Procedures And Examples
9. Please turn on the TV again once the mboot is updated successfully. 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 17: Chapter7 High Voltage And High Current Wearing Parts List
signal cable correctly Connect the signal cable correctly connected. There is no signal input or the video cable Blue screen, AV or SVIDEO is is not connected or incorrectly connected Connect the video cable correctly displayed There is no audio signal input or audio No sound cable is not connected correctly Connect the audio cable correctly... - Page 18 Contents of first page： Setting item Setting content Setting method Remark Output in Ypbpr and VGA ADC Adjust Automatic calibration function 【﹥】 、 【﹤】key Picture Mode Set audio value 【﹥】 、 【﹤】key Set colour temperature W/B Adjust Set White balance 【﹥】...
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Page 19: Setting Method Of Factory Menu
value DTV/ATV/AV1/Component1/ Inout Source Inout channel PC-RGB/HDMI1/2/3/USB Volume Set volume nonlinear Different from UI setting volume and actual volume Brightness Set brightness nonlinear Different from UI setting brightness and actual value Contrast Set contrast nonlinear Different from UI setting contrast and actual value Color Set color nonlinear Different from UI setting color and actual value... -
Page 20: Chapter9 Instructions Of Hls49J Module Circuit Schematic Diagram
using menu if it is needed. (3)Switching TV signal in factory mode can be done by directly pressing the number key. Press 【MENU】key to back to the parent of working directory, press【EXIT】key to quit factory mode. Chapter9 Instructions of HLS49J module Circuit Schematic Diagram 9-1 Clear EEPROM,and set the parameters after upgrading according to the upgrade instructions.