Lenovo A8-50 Tablet Bedienungsanleitung

Lenovo A5500Hardware MaintenanceManual

Lenovo A5500 Hardware Maintenance Manual6Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to elect

Safety information7The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish.Safety notices:

Lenovo A5500 Hardware Maintenance Manual8Safety notice 2DANGERSome standby batteries contain a small amount of nickel and cadmium. Do not disassemble

Safety information9Safety notice 3DANGERThe battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or shor

Lenovo A5500 Hardware Maintenance Manual10Safety notice 4DANGERThe lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge i

Safety information11Safety notice 5If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affe

Lenovo A5500 Hardware Maintenance Manual12Safety notice 6DANGERTo avoid shock, do not remove the plastic cover that protects the lower part of the inv

Safety information13Safety notice 8DANGERBefore removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the ba

Lenovo A5500 Hardware Maintenance Manual14Some models of Lenovo computer are equipped from the factory with an optical storage device such as a CD-ROM

Safety information15A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. N

Note:Before using this information and the product it supports, be sure to read the general information under “Notices” on page 48.First Edition (Janu

Lenovo A5500 Hardware Maintenance Manual16This chapter presents the following important service information:• “Strategy for replacing FRUs” on page 16

Important service information17Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs:• If you are instructed to r

Lenovo A5500 Hardware Maintenance Manual18RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC)

General checkout19This chapter presents the following information:• “What to do first” on page 20• “Power system checkout” on page 21Before you go to

Lenovo A5500 Hardware Maintenance Manual20When you do return an FRU, you must include the following information in the parts exchange form or parts re

General checkout21To verify a symptom, follow the steps below:1. Turn off the computer.2. Remove the battery pack.3. Connect the AC adapter.4. Make su

Lenovo A5500 Hardware Maintenance Manual221.Open the Android Settings screen.To open the Android Settings screen, do either of the following:– From th

Related service information23This chapter presents the following information:• “Security” on page 23• “Power management” on page 23Security settings i

Lenovo A5500 Hardware Maintenance Manual24This chapter presents the following product-specific service references and product-specific parts informati

Lenovo A550025Communication• WiFi• BlueTooth 4.0• GPS• WCDMA, GSMOthers• Multi-touch supported• Built-in microphone• Stereophonic speakers• Gravity se

iiiAbout this manual...ivSafety information...1General safety ...

Lenovo A5500 Hardware Maintenance Manual26This section presents notices related to removing and replacing parts. Read this section carefully before re

Lenovo A550027This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the fol

Lenovo A5500 Hardware Maintenance Manual281010 Side doorFigure 1. Removal steps of side doorInsert a finger to open the side door as shown in the pict

Lenovo A5500291020 Micro SD card and Micro SIM cardFigure 2. Removal steps of Micro SD card and Micro SIM cardInsert a finger to open the side door as

Lenovo A5500 Hardware Maintenance Manual30Figure 2. Removal steps of Micro SD card and Micro SIM card (continued)Pull out the SD card or SIM card from

Lenovo A5500311030 Back coverFigure 3. Removal steps of back coverInsert a finger to open the side door as shown in the picture.Remove the screw .Ste

Lenovo A5500 Hardware Maintenance Manual32Figure 3. Removal steps of back cover (continued)Insert the guitar pick and slide along to release the back

Lenovo A5500331040 Power key and volume keyFor access, remove this FRU in order:• “1030 Back cover” on page 31Figure 4. Removal steps of power key and

Lenovo A5500 Hardware Maintenance Manual341050 ANT carrierFor access, remove this FRU in order:• “1030 Back cover” on page 31 Figure 5. Removal

Lenovo A5500351060 Battery packFor access, remove this FRU in order:• “1030 Back cover” on page 31Figure 6. Removal steps of battery packInsert the gu

ivThis manual contains service and reference information for the following Lenovo product:Lenovo A5500Use this manual to troubleshoot problems.The man

Lenovo A5500 Hardware Maintenance Manual36Insert a flat blade to detach the battery pack.Figure 6. Removal steps of battery pack (continued)Remove the

Lenovo A5500371070 System boardFor access, remove these FRUs in order:• “1030 Back cover” on page 31• “1040 Power key and volume key” on page 33• “105

Lenovo A5500 Hardware Maintenance Manual38Insert the guitar pick to unsnap the connector.Release the audio FPC from the connector with tweezers.Peel o

Lenovo A550039Insert the guitar pick to unsnap the connector.Release the touch panel FPC from the connector with tweezers.Peel off the mylar as shown

Lenovo A5500 Hardware Maintenance Manual40Insert the guitar pick to unsnap the connector.Release the LCM FPC from the connector with tweezers.Peel off

Lenovo A550041Insert the guitar pick to unsnap the connector.Release the front camera FPC from the connector with tweezers.Insert the flat blade to de

Lenovo A5500 Hardware Maintenance Manual42Release the main camera FPC from the connector with tweezers.Peel off the mylar as shown in the picture.Inse

Lenovo A550043Remove the four screws .Lift up the system board and remove it as shown in the picture.Step Screw (quantity) Color TorqueM1.4 × 3 mm (4

Lenovo A5500 Hardware Maintenance Manual44LocationsMicro SD card slot510Micro USB SpeakerVolume keyPower keyBack cameraMicrophoneEarphone jackSpeakerF

Lenovo A550045This section presents the following service parts:• “Overall” on page 46• “Screws” on page 47Parts listNotes:• Each FRU is available for

Safety information1This chapter presents the following safety information that you need to get familiar with before you service a Lenovo computer:• “

Lenovo A5500 Hardware Maintenance Manual46OverallTable 1. Parts list – OverallNo. or unit nameDescription FRU FRU no. CRU ID1 BATTERY 5B19A4657T SUNWO

Lenovo A550047ScrewsTable 2. Parts list—ScrewNo. or unit nameDescription FRU FRU no. CRU ID3LCD unitPROTECTTP TR5001 306OLVP501W NTOUCH PANNELMCF-080-

Lenovo A5500 Hardware Maintenance Manual48Lenovo may not offer the products, services, or features discussed in this document in all countries. Consul

Notices49Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environme

Lenovo A5500 Hardware Maintenance Manual2Follow these rules below to ensure general safety:• Observe a good housekeeping in the area where the machine

Safety information3Observe the following rules when working on electrical equipments.• Find the room emergency power-off (EPO) switch, disconnecting t

Lenovo A5500 Hardware Maintenance Manual4• Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, n

Safety information5The purpose of this inspection guide is to assist you in identifying potential unsafe conditions. As each machine was designed and