Hisense ISDB-T Service Manual Download Page 45

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6. Signals Block Diagram & power assign & schematic diagram :

Signals Block Diagram

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Summary of Contents for ISDB-T

Page 1: ...LCDTelevision Service Manual Chassis MT5658GCEJ Product ISDB T TV Hisense Electric Co Ltd November 2017...

Page 2: ...2 REVISION HISTROY Version Revise content Reviser Date V1 00 First issued 2017 3 17 V1 01 add 7677 board Zhang shujuan 2017 5 24 V1 02 add 6888 board Zhang shujuan 2017 11 02...

Page 3: ...e Factory OSD Menu 18 3 3 Factory OSD Menu 21 4 Software Upgrading 29 4 1 USB Upgrading 29 4 2 USB upgrade fail 31 4 3 Upgrading with the FlashTool 0 7 0 2 exe 33 5 Trouble shooting 36 5 1 Troubleshoo...

Page 4: ...ve methods of performing service operations Some of these service operations require the use of tools specially designed for the purpose The special tools should be used when and as recommended It is...

Page 5: ...en permission from RCA Hisense Eassumes no liability express or implied arising out of any unauthorized modification of design Servicetech assumes all liability 1 1 2 All ICs and many other semiconduc...

Page 6: ...iginal condition In addition prior to closing set check that Note All wire harnesses and flex cables are properly routed and secured with factory tape and or mounted cable clamps All cables and connec...

Page 7: ...damaged or if the connector is loose do not use the product otherwise this can lead to fire or electric shock 8 If the power connector or the connector of the power cable becomes dirty or dusty wipe i...

Page 8: ...e power supply block it can result in electric shock or may trip the main circuit breaker When installing the LCD module in and removing it from the packing carton be sure to have at least two persons...

Page 9: ...emoved for servicing purposes have all been returned to their proper locations in accordance with the original setup The lightning flash with arrowhead symbol within an equilateral triangle is intende...

Page 10: ...ut XP12 LAN XP3 Speaker output Chassis MTK5658 XP1 power input XP4 VBO output XP7 Led effective XP6 Led IR Key WIFI U7 tuner XS13 XS14 USB2 0 XS1 Service XS2 Headphone XS7 XS8 XS9 XS10 HDMI XS15 USB3...

Page 11: ...2 Earphone out Audio out composite XS6 COMPONENT Video input XS5 AV COMPONENT Audio input composite XS7 HDMI1 MHL input 4K 60Hz XS8 HDMI2 ARC input 4K 60Hz XS9 HDMI3 input 4K 30Hz XS10 HDMI4 input 4K...

Page 12: ...ayout Tuner Antenna Cable XS3 digital audio output Service Port USB2 0 XS7 HDMI11 UHD 60Hz MHL XS8 HDMI2 UHD 60Hz ARC XS10 HDMI3 UHD 30Hz XS10 HDMI3 UHD 30Hz XS10 HDMI3 UHD 30Hz XS2 Headphone XS15 USB...

Page 13: ...Audio out composite XS6 COMPONENT Video input XS5 AV COMPONENT Audio input composite XS7 HDMI1 MHL input 4K 60Hz XS8 HDMI2 ARC input 4K 60Hz XS10 HDMI3 input 4K 30Hz XS12 LAN XS14 USB2 2 0 XS15 USB3 3...

Page 14: ...05 local dimming output XS13 XS14 USB2 0 XS15 USB3 0 XS5 AV Audio input XS6 component video input Xp24 power input input Xp18 IR Key WIFI Xp3 Speaker output XS7 XS8 XS9 XS10 HDMI XS1 Service U7 CDT 94...

Page 15: ...igital Audio out XS2 Earphone out Audio out composite XS6 COMPONENT Video input XS5 AV COMPONENT Audio input composite XS7 HDMI1 MHL input 4K 60Hz XS8 HDMI2 ARC input 4K 60Hz XS9 HDMI3 input 4K 30Hz X...

Page 16: ...on difference For Series 7343 No FRC Side terminals and vertical terminals For 5010UWB N3000UWB N3030UWB 7677 No FRC Side terminals and vertical terminals For HS55N3500UWB HS49N3500UWB 6888 Have FRC S...

Page 17: ...17 3 Factory Service OSD Menu and Adjustment 3 1 Remote Control Buttons on TV Remote Note The picture is only for reference logo and button silk screen can vary...

Page 18: ...on 3 Select Settings Sound Advanced Audio setting Balance 4 When Balance is 0 Input 1 9 6 9 in sequence on RC Note It is important to remind that the hand fingers can t shield the RC emitter diode If...

Page 19: ...19 Figures as following Next Next...

Page 20: ...20 Next When Balance is 0 Enter figure 1 9 6 9 in sequence with remote control...

Page 21: ...enu Factory OSD menu list if you want to learn more about TV you d better read it but would not adjust the value please The Factory menu may be has difference for diverse market and customer Take HS50...

Page 22: ...th Component and VGA channels Test Pattern red blue white green black five colors for factory panel testing soft version current software version information Inside pattern Factory white balance adjus...

Page 23: ...23 Channel init huangdao old Qing Dao TV Produce signal preset during the factory produce using huangdao new...

Page 24: ...se Logo region logo choose power mode remember mode Power on mode standby mode Set MAC set MAC address USB upgrade If the TV has the function of USB disk upgrade directly in the factory menu then can...

Page 25: ...isplay on the bottom of the Factory menu soft version soft version information date The date of current version TV Code TV code information MAC version MAC version information FRC version FRC version...

Page 26: ...26 3 2 1 White Balance figure Note Different source has different WB values Before adjusting please change to desired source Factory...

Page 27: ...27 Options figure Soft Version figure Note 1 FRC Version not each TV have it 2 BLU Version is backlight drive software Version not each TV have it Factory...

Page 28: ...you can choose to Clear all by which you can resume the default value a Select the item Option Clear all in Factory mode b Close the OSD menu after 5 seconds c Restart the TV d TV restart better ente...

Page 29: ...bin and Backlight drive software blu bin Insert the USB Disk to TV USB port AC power off then AC power on the TV at the same time press standby button on the remote control for about 5 10s until pop u...

Page 30: ...e three upgrade softwares must be saved in three different USB disks that no other same names in 4 The TCON and back light update process same to main software upgrading directly with USB as following...

Page 31: ...c with a USB to serial port cable USB port connects to your PC and serial port to the TV s RS232 port As following 4 2 1 Install the driver 4 2 1 Install the bebug board driver for first use MTK Flash...

Page 32: ...32 Select the default value the driver will be installed step by step...

Page 33: ...a green program needing no installation After Connect the unit to your pc with a USB to serial port cable run FlashTool exe Please refer to the following steps to set Set bin file Select Memory Card S...

Page 34: ...onnected with the TV In above picture COM3 is connected to the TV so select COM3 and if COM6 is connected to the TV so select COM6 Select the right baud rate according to chip model For this unit chip...

Page 35: ...bounce the following dialog box Load Bin File find the upgrading program file his_m1v1_us_secure_emmcboot bin Press Upgrade button and start upgrading if update defeat try again Select bin file Start...

Page 36: ...hen there is something wrong with your TV you can try turning off the TV and then restart it You can also operate according to the follow chart If the problems still cann t be solved please contact th...

Page 37: ...ol Remote control does not work Try new batteries Replace RC Check IR receiver Change Led IR board Change Led IR cable Replace main board Replace battery Replace remote control Replace Led IR BD Repla...

Page 38: ...or Function Key Check key board Buttons does not work Check switches Check Key BD cable Change Key BD cable Replace main board Check solder connections and see if any switches are stuck Replace Key BD...

Page 39: ...works Replace Main BD Try Power on by RC and Button Neither works Both Work Power on OK YES NO Replace Power BD YES NO RED No light blue Panel Bright NO Replace Main BD NO YES Check signal Source YES...

Page 40: ...Troubleshooting for Audio NO Power Supply Board No sound Check connecter Check speaker wire Replace main board Reconnect Replace speaker wire YES YES NO NO Check speaker set Replace speaker set YES NO...

Page 41: ...5 5 Troubleshooting for TV VGA HDMI No picture on the screen Check Signal Source Check connect Check cable Replace main board Make sure signal source is available Reconnect Replace cable NO YES YES NO...

Page 42: ...5 6 Troubleshooting for YPbPr No picture on the screen Check Source work or not Check connect Check Wires Green Blue Red Replace main board Check Source Device Reconnect Replace wires NO YES YES NO YE...

Page 43: ...oubleshooting for Video No picture Yes Check source work or not Check connector Yes Check signal source Reconnect Not Replace VB0 LVDS Change VB0 LVDS Replace main board Change TCON Yes No Replace TCO...

Page 44: ...44 5 7 Troubleshooting for WIFI Internet not connected Yes Replace Connector Replace WIFI board Yes Yes Change WIFI connector No Change another Wifi board Replace main board No...

Page 45: ...45 6 Signals Block Diagram power assign schematic diagram Signals Block Diagram...

Page 46: ...46 6715 board power assign...

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