Summary of Contents for Changhong Electric HLS80JS
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LED COLOUR TV MAINTENANCE MANUAL MODEL: HLS80JS CHASSIS(MSD3663) PCB VERSION:JUC7.820. 00239365 Please read this manual carefully before maintenance...
2-2 Introduction of terminals(practicality photos) ......................3 Chapter3 Main chip functions and the introductions of power supply ..................4 3-1 Main IC and functions of HLS80JS ..........................4 3-2 Pin function description of HLS80JS chip ........................5 3-2-1 MSD3663 recommended operating power conditons ..................5 3-2-2 R842 brief introduction: ...........................
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.
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.
Chapter3 Main chip functions and the introductions of power supply 3-1 Main IC and functions of HLS80JS No. Item no. Model Main function Tuner input IF signal UTO1 R842 Support PAL\NTSC\SECAM\DVB-T\DVB-T2\DVB-C Tuner input IF signal USO1 RDA5815M Support DVB-S/DVB-S2 MSD3663LSA-005N...
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 4-1-1 MSD3663 Power Block Diagram 4-1-2 Pin voltage of the voltage adjustor on the mainboard item No.
12VS VCC-pane LVDS 1.1V 1.5V 3.3V Chapter5 Software upgrade instructions 5-1 UART Upgrade UART upgrade is very slow,about 10 minutes.if the main board is not dead,please do not use UART upgrade. URAT upgrade software tool is MSTV_Tool. 1.tools prepare: A).USB cable...
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B).URAT tool 4-Pin Reverse Wire D).VGA upgrade tool 2.UART upgrade A).Copy the bin file upgrading to usb key root folder and then put USB key to main board USB terminal; B).MSTV_Tool ->COM port ->COM port ->COM4...
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C).power on the TV set,you will message in the blue window; D).view -> direct command mode -> keypad emulator ->click “67”key...
E).When upgrade is finish the TV will auto power on. 5.2 USB Upgrade (1)Power on TV set ,Copy the bin file upgrading to usb key root folder and then put USB key to main board USB terminal.
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(2)Press remote control key”MENU”,then choose option find software upgrade (USB),then press “ENTER”. (3)Press remote control “ENTER”,it will ask you “are you sure?”choose yes and System auto loads the upgrade bin and start upgrading,processing bar will be shown .During the upgrading the OSD will show like bellow;When upgrade is finish the TV will auto power on.
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.
Chapter7 Factory mode parameter setting instructions and notes 7-1 Enter into the factory mode Switch on TV set, and make it works normally: Press 【SOURCE】 key on the remote control Press number keys “3”、 “1”、 “3”、 “8” on remote control to enter password. Finish entering the factory mode. If you want to quit the factory mode, Please.
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SCART/DTV/ATV/AV/YPBPR TEMPERATURE Medium/warm/user/cool/ R-GAIN G-GAIN B-GAIN R-OFFSET 1024 G-OFFSET 1024 B-OFFSET 1025 Copy all MIU enable modulation(Khz) percentage(%) LVDS enable LVDS 35.0Khz modulation(Khz) LVDS 2.00% percentage(%) Panel swing SPECIAL SET 2HOUR OFF Off/on Off/on WHITE Off/on PATTERN GE/GOP PATTERN BMAP PATTERN Restore factory...
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Application information Conditional access support Host control Date-time machine interface speed communication Content control Host language control CAM upgrade Operate profile Specific application support Application_man_ machine_interface Program map table Host service shunning Canal ready authentication DEFAULT TX/RX Panel control Panel control panel LVDS_TI_MODE TI_BITS_MODE...
On time Off time Off time PANEL DUAL PORT PANEL SWAP PORT Panel control On/off Mirror enable Off/on Software update(USB) Notes: Set restore factory default will clear the memory data, So do not set it unless it is needed; other setting items do not need setting.
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