ynggungyulu 02-智能交互式平板以分类的方式介绍每个款型外观和特点及常用使用操作 机型资料 V款 Service Mnuel_V serils

seewo Interactive Intelligent Panel Guangzhou Shirui Electronics Co., Ltd. Maintenance Manual V65Definition of TV board card socket: Bluetooth small boardWireless router moduleCN15CN9CN4Definition of TV power socket: CON4CON2CON5CON3Buckle J Straight TypeBuckle Straight TypeBuckle Straight TypeBuckle Straight TypeFunction introductions to small board: Power amplifier small board CN.CV35, audio signal processing, and power amplifier 24V power supply: Wireless microphone receiving terminal Restrain whistle small board CN.CV36; amplifying effect processing of wireless microphone:Upgrade method of Android system: Place the folder “seewo” of system upgrade patch onto USB root directory; insert USB2.0 interface of TV board card; electrify the complete computer; start up by pressing POWER key for 5 seconds; the complete computer enters into upgrading mode; automatically restart after completing updating. Please note that if the Android system can still operate normally, it shall try to successively choose “recovery system” and “restoring system” from Setup Menu before upgrading software, and then check whether the solutions are applicable. If two solutions are incapable, it shall try to re-upgrade Android system with USB. Answers for common faults 1. It is unable to start up when the red light is on It is unable to start up when the red light is onIt is unable to start up by remote control and power supply key.YesRe-upgrade Android system Insoluble Change TV board cardInsolubleNo YesChange batteries of remote controlInsolubleCheck remote control panel and corresponding wire rodIt is unable to start up by remote controlNo Check the keys and corresponding wire rodInsolubleIt is unable to start up by pressing keysYesChange TV board card2. After pressing POWER key, the green light is on and then turns red at once, and it is unable to start upAfter pressing POWER key, the green light is on and then turns red at once, and it is unable to start upFind out short circuit points and seek solutionsYesCheck whether the voltages is in short circuit NoChange power panel3. Green light is on when electrifying for starting up, but unable to start up (blank screen and white screen)Do not start up when green light is onRe-upgrade Android system and check whether it is normalNoYesChange power panelCheck whether the mainboard PSON pin has 45V signalNoWhen the green light is on, check whether the output voltage (5VSB/5V/12V/24V) of power panels is normalNoChange TV mainboardYesCheck ADJ and BLON control and whether the voltage of the screen (12V) is normalNoChange TV mainboardNoChange the screen 4. Android system fails to surf the internetIt is unable to surf the internet through network cableThe network cable can surf the internet normally after determination with notebook computer It is still unable to log inYesWhether can it log in router normally?Choose router and restore factory settingsChange router moduleNoIt can log inYes Confirm whether the mode of surfing the internet and method of plugging wire are correctYesChoose normal mode to surf the internet; insert the network cable into WAN port; connect notebook computer and LAN port through network cable. Whether can the notebook computer sure the internet normally?NoYesChoose router and restore factory settingsRe-upgrade Android systemInsolubleInsolubleChange IV board cardChange router moduleIt is unable to surf the internet through bridge connectionNoRefer to the solutions above Whether can it surf the internet through network cable?YesIt fails to surf the internetLog in various setting interfaces of V type router B; confirm to close DHCP; confirm that the wireless network environment channel is consistent with router B wireless network channel. Soft restart router after connecting WDSFind out a TP-LINK wireless router A as WDS main engine, and then be connected with network cable; try to connect V type router B with router A through WDSIt can surf the internetSetting problem or compatibility problem of wireless environment equipment5. Abnormal touchAbnormal touchYesDetachable front touch frame tests whether the touch frame is normal by notebook computer (According to maintenance process of touch frame) Change touch frame and re-upgrade the firmware of touch frameNo YesWithout 5V output Confirm the touch frame is connected well with the connecting wire rod of TV board card; confirm the touch frame power supply (5V) is normalChange IV board card YesRe-upgrade Android systemInsolubleChange TV mainboard6. Abnormal display (blurred screen) Display of all channels is abnormalRe-upgrade Android systemInsolubleCheck the connection of display screen wire or try to change display screen wireInsolubleChange IV board cardInsolubleChange display screen 7. Abnormal wireless microphoneWireless amplifier is interfered (continuous and slight explosion sound)Change different channels in setting menu of microphone; restart and re-shut down wireless microphone transmitting terminal, and then reconnect Microphone is voicelessWhether the setting menu of microphone displays “connected”Confirm whether the wireless microphone transmitting terminal is in electricity (after starting up, the indicator light is on and in green)NoChange w