Mi TV 4S 55 Technical Manual

Tv 55 inch

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2019-8-19

MI TV 55 inch After-sales Technical

Manual V01

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

售后技术中心

正面图

Table of Contents

Summary of Contents for Mi TV 4S 55

Page 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&...
Page 2 3.1.6 Function Detected Criteria 3.1.7 Gap/Range Difference（mm） 4 .7 Days No Reason to Return Products’ Inspection& Acceptance Standards 4.1Inspection Methods 4.2 Defects Definition 4.3 Appearances’ Inspection Criteria 5. Function Test 5.1 Elecronic Performance Test 5.1.1 Start Up Test 5.1.2 Power Off/Reset Test 5.2 Signals Resources Test 5.3 Network Setup 5.3.1 Wireless Connection...
Page 3 9.3.4 Assemble FFC insertion Assemble the FPC 9.3.6 Assemble back shell 9.3.7 Assemble the horn cover 9.3.8 Locking the back shell 9.3.9 9.3.10 Assemble Accomplished Notes of Disassembly and Assembly 10.Wall-mounted Components 11.Defests' Codes 12 .FAQ...
Page 4: Specification
1. Specification...
Page 7 2. Packing Parameter 包装清单 3. DOA/DAP Inspection Criteria TV Core Union Inspection Criteria 检验标准表 Notice: Please do refer to Product Inspection Area Identifications and Appearance Defaults Form as long as detect any product via mentioned Inspection Method above, unless defective products are out of the range of criteria.
Page 8 3.1.1 Inspection Tools 检验工具...
Page 9 3.1.2 Defects Definition 缺陷定义 3.1.3 Appearance Grade Definitions...
Page 10 外观级面定义表外观级面定义图 3.1.4 Unit&Abbreviation 单位及缩写...
Page 11 3.1.5 Appearance Inspection Standards...
Page 12 外观检验标准-表...
Page 13 3.1.6 Function Detected Criteria 功能检验标准-表 3.1.7 Gap/Range Difference（mm）段差缝隙-表 4. 7 Days No Reason to Return Products’ Inspection& Acceptance Standards 4.1 Inspection Methods...
Page 14 Refer to DOA/DAP process 4.2 Defects Definition 缺陷定义-表 2 4.3 Appearances’ Inspection Criteria 外观检验标准-表 2...
Page 15: Function Test
5. Function Test 5.1 Electronic Performance Test 5.1.1 Start Up Test Power on TV. Press power button on Remoter. Wait for TV enter Home screen. 主界面 5.1.2 Power Off/Reset Test Hold press Power button，recall Menu to press power off/reboot when it is in powered on status, then press confirm button to choose relevant mode.
Page 16: Network Setup
Reboot：Mi TV will step into reboot mode after press it. Power off：Mi TV will step into sleeping mode when you press the icon. It will step into default power off mode if there is no selections after 20 seconds automatically.
Page 17: Wired Connection
The network will be connected automatically when inserting network cable to LAN 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.
Page 18: Audio Out
图像参数 5.5 Audio Out Settings->Device Preferences-> Sound...
Page 19 小米家庭音响 Internal Speakers：Enteral speakers are regular but it is malfunctioned when it connects to sound bar. Sound Bar：Sound bar is regularly but it is malfunctioned when it connects to internal speakers. HDMI（ARC）&S/PDIF：External speakers are regularly but it is malfunctioned when it connect to internal speakers.
Page 20: System Recovery
在线视频 5.7 System Recovery You can solve software issues by entering Settings->Device Preferences ->Reset when you confront application or system issues. 还原 6. Online Upgrade 6.1 Smart Update Auto update selection needs on the basis of actual requirement.
Page 21: Manual Update
Auto update selection-On：MI TV will update to the latest version at a proper time when there is a latest version of MIUI system package available online. Auto update selection-Off：It is necessary to update your MITV to the latest MIUI system manually when there is a latest version of MIUI system available online.
Page 22 7 .Data Clean（Trio-Clean） 7.1 Switch off TV 7.2 Activate Trio-Clean Interface by Remoter Bluetooth remoter：Pull up MITV power cable 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】and 【Menu】...
Page 23: Reset System
c omfirm back 蓝牙三清 7.3 Reset System Select these items 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 deliver it to relevant staff.
Page 24 2．When the Beta test license provided, do inform customer to reset Mi TV and verify TV in Beta system. 9. Liquid 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 Adjustment：5kgf.cm...
Page 25 防静电手套 Tool Name：Snap Dissemble Tool Purpose of Tools：Dissemble four snaps connected loudspeaker backcover and front frame...
Page 26 拆机工具 9.2 Dissemble 9.2.1 Dissemble Pedestals check the maintenance table without screws and other foreign 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...
Page 27 9.2.3 Dissemble the horn cover Remove the 6pcs screw that holds the horn cover with the screwdriver; 9.2.4 Dissemble the connect wire Unplug the control line from the motherboard and the power board.(red below) Remove the speaker and remove the cable from the discrete parts around the motherboard.Remove the horn cover for separation.
Page 28 Pull the back light out of the power board connector; Remove the acetate tapes fixed wire from the back plate;like this photo.
Page 30 9.2.5 Dissemble the FFC wire a. Open the piano cover of the MEMC to unplug the FFC line, and pull the FFC line from the T-CON board. Then remove the two ends of the FFC line from the interface between the MEMC and the T-CON board; b.
Page 31 9.2.7 Dissemble the wire & Wifi antenna a. Tearing 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.
Page 32 9.2.8 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 case...
Page 33 9.3.3 Assemble Wifi board and tapes in the 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 control back cover bottom towards open cell...
Page 34 9.3.6 Assemble back shell Step 1: Check the back shell for scratches, dirt, damage, etc. Step 2: Align the 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.
Page 35: Notes Of Disassembly And Assembly
9.3.7 Locking the back shell Step 1: As shown in the figure, the rear shell screws are vertically locked; 9.3.8 Assemble Accomplished 9.4 Notes of Disassembly and Assembly 1. Conducting Resin Reuses Regulation Conducting Resin is seen as malfunction only if it is damaged, uneven, losing stickiness, replace it.
Page 36 Terminal Answer ：Hello, dear MI Fans, Mi TV system will be activated when you start your smart TV for the first time. There will be a duration for MI TV to install internal apps, which will last about 2 to 3 minutes. Therefore, it takes more time than other non- smart TV, Appreciate for waiting so long times but please be more patient.
Page 37 Terminal Answer：Hello, dear Mi fans. Mi TV can make sound steadily if it did not connect to any loudspeaker because Mi TV is an all-in-one type TV. What you should do is to enter system setup and select Sound to enter Sound Adjusting Menu, then you can choose TV loudspeaker to dominate making sound.
Page 38 7、 Customer's Question: Why is my Mi TV so thick? Terminal Answer: Hello, dear Mi fans, the reason for thickness is technical limits. Mi TV 4A applied Direct-type LED technology, which hardware parts of this technology requires a reasonable distance to make light evenly distribute in the screen of LCD.
Page 39 12、Customer's Question: What are the problems about displaying Red/Green/Blue screen when I switch on my Mi TV 4A? Terminal Answer：Hello, dear Mi fans, sorry for taking you so much troubles. This phenomenon is not caused by TV quality issues or TV function issues. It is only resulted from inappropriate matching TV signals.