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Mi TV 4S 55, Technical Manual

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Mi TV 4S 55 Technical Manual Download Page 1

1

 

2019-8-19

 

 

售后技术中心

 

 

 

MI TV 55 inch After-sales Technical 

Manual V01

 

 

 

正面图

 

 

 

MI TV 55 inch After-sales Technical Manual V01

 

1.Specification

 

2.Packing Parameter

 

3.DOA/DAP Inspection Criteria

 

 

3.1 TV Core Union Inspection Criteria

 

 

 

3.1.1 Inspection Tools

 

 

 

3.1.2 Defects Definition

 

 

 

3.1.3 Appearance Grade Definitions

 

 

 3.1.4 Unit& Abbreviation

 

 

 3.1.5 Appearance Inspection Standards

 

 

Summary of Contents for TV 4S 55

Page 1: ...r sales Technical Manual V01 1 Specification 2 Packing Parameter 3 DOA DAP Inspection Criteria 3 1 TV Core Union Inspection Criteria 3 1 1 Inspection Tools 3 1 2 Defects Definition 3 1 3 Appearance Gr...

Page 2: ...e Upgrade 6 1 Smart Update 6 2 Manual Update 6 3 U disk Update 7 Data Clean Trio Clean 7 1 Switch Off TV 7 2 Activate Trio Clean Interface by Remoter 7 3 Reset System 8 Get Beta test license 9 Liquid...

Page 3: ...on 9 3 6 Assemble the FPC 9 3 7 Assemble back shell 9 3 8 Assemble the horn cover 9 3 9 Locking the back shell 9 3 10 Assemble Accomplished 9 4 Notes of Disassembly and Assembly 10 Wall mounted Compon...

Page 4: ...4 1 Specification...

Page 5: ...5...

Page 6: ...6...

Page 7: ...Core Union Inspection Criteria Notice Please do refer to Product Inspection Area Identifications and Appearance Defaults Form as long as detect any product via mentioned Inspection Method above unles...

Page 8: ...8 3 1 1 Inspection Tools...

Page 9: ...9 3 1 2 Defects Definition 3 1 3 Appearance Grade Definitions...

Page 10: ...10 3 1 4 Unit Abbreviation...

Page 11: ...11 3 1 5 Appearance Inspection Standards...

Page 12: ...12...

Page 13: ...13 3 1 6 Function Detected Criteria 3 1 7 Gap Range Difference mm 4 7 Days No Reason to Return Products Inspection Acceptance Standards 4 1 Inspection Methods...

Page 14: ...14 Refer to DOA DAP process 4 2 Defects Definition 2 4 3 Appearances Inspection Criteria 2...

Page 15: ...Start Up Test Power on TV Press power button on Remoter Wait for TV enter Home screen 5 1 2 Power Off Reset Test Hold press Power button recall Menu to press power off reboot when it is in powered on...

Page 16: ...mages and sounds are regular or not USB Port Verify the functions via insert U Flash Disk or external HD AV Port Insert AVI Cable to AV devices and inspect if the images and sounds are regular or not...

Page 17: ...port and the network will connect automatically Mi TV will give priority to wired connection when we connect wired and Wi Fi at the same time Wi Fi will be disconnected 5 4 Display Parameter Adjustmen...

Page 18: ...18 5 5 Audio Out Settings Device Preferences Sound...

Page 19: ...rnal speakers are regularly but it is malfunctioned when it connect to internal speakers 5 6 Online Film and TV Resources You can choose online video resources that you are interested in on Menu scree...

Page 20: ...y You can solve software issues by entering Settings Device Preferences Reset when you confront application or system issues 6 Online Upgrade 6 1 Smart Update Auto update selection needs on the basis...

Page 21: ...em manually when there is a latest version of MIUI system available online 6 2 Manual Update Enter MITV Settings About system update to update MIUI system Manually 6 3 U disk upgrade Download ROM from...

Page 22: ...able for 3 second then reconnect it Hold Confirm and Back simultaneously and face it to white LED on the bottom when it start to flash Wait for MITV recovery screen come out Infrared Remoter Hold HOME...

Page 23: ...ems by sequence WIPE CACHE WIPE USER DATA WIPE ALL DATA then select Restore SYSTEM and reboot TV 8 Get Beta test license 1 Follow below forms to collect all information about Detect Samples and delive...

Page 24: ...Crystal Display Television s Disassemble and Assemble instructions 9 1 Tools preparation Tool Name Electric Screw Driver Bosch GSR12 2 Purpose of Tools Assist for removing or installing screws Torque...

Page 25: ...25 Tool Name Snap Dissemble Tool Purpose of Tools Dissemble four snaps connected loudspeaker backcover and front frame...

Page 26: ...gn bodies the product mirror face down horizontal position with the table use the screwdriver to disassemble the base screw remove the left and right base bracket 9 2 2 Dissemble the back shell Remove...

Page 27: ...e horn cover with the screwdriver 9 2 4 Dissemble the connect wire a Unplug the control line from the motherboard and the power board red below b Remove the speaker and remove the cable from the discr...

Page 28: ...28 c Pull the back light out of the power board connector d Remove the acetate tapes fixed wire from the back plate like this photo...

Page 29: ...29...

Page 30: ...ends of the FFC line from the interface between the MEMC and the T CON board b Open the piano cover of the MEMC and MB to unplug the FFC line Then remove the two ends of the FFC line from the interfa...

Page 31: ...aring off 7pcs fixed WIFI Antenna b The lamp cover and the remote control board are removed from the speaker cover and then the wire rod is pulled out from the remote control board terminal b Remove t...

Page 32: ...2 8 Dissemble Accomplished 9 3 TV Assemble 9 3 1 Assemble Main Board and the Power Board Fixed the main board power board and MEMC with screws 9 3 2 Assemble Loudspeaker Mount the speaker on the rear...

Page 33: ...e horn cover 9 3 4 Assemble the cable Connect the interface wires of each part to the main board power board and MEMC 9 3 5 Assemble the horn cover Step 1 First push back cover bottom towards TOP then...

Page 34: ...right side of the rear case with the motherboard interface and then push the rear case until the screw holes are fully in place Caution 1 Screw locks must not be loose tilted and broken 2 When the sc...

Page 35: ...st stickiness replace it 3 Cautions for Remove Glue Operation It is necessary to use appropriate amount of ethyl alcohol to dig residues sufficiently once conducting resin and fixing glues are seen as...

Page 36: ...se allow me to show you the steps of how to switch on and off MI TV 4A 1 You could press the power key on remoter or keypad on the TV body to switch on TV when you connect power supply to you TV At th...

Page 37: ...then you can choose TV loudspeaker to dominate making sound 5 Customer s Question Does MI TV 4A support 3D function Terminal Answer Hello dear Mi fans we regret to inform that Mi TV 4A does not suppor...

Page 38: ...r Mi fans MI TV applied Direct type LED technology are slight thicker than the ones applied Edge Emitting LED because hardware of Mi TV applied DLED need a longer distance for layout But Mi TV applied...

Page 39: ...te matching TV signals Reset TV and make sure it is in latest system version all will be recovered 12 Customer s Question What are the problems about displaying Red Green Blue screen when I switch on...

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