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Lenovo TB-7104I User Manual

Lenovo TB-7104I
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Lenovo Tab E7
Hardware Maintenance Manual
Lenovo TB-7104F
Lenovo TB-7104I
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Lenovo TB-7104I Specifications

General IconGeneral
Panel typeTN
LED backlightYes
Display diagonal7 \
Touch technologyMulti-touch
Touchscreen typeCapacitive
Display brightness250 cd/m²
Display resolution1024 x 600 pixels
Display number of colors16.78 million colors
Processor cores4
Processor modelMT8321A/D
Processor familyMediatek
Processor frequency1.3 GHz
Processor architectureARM Cortex-A7
PlatformAndroid
Operating system installedAndroid 8.0
Internal memory1 GB
Internal memory typeLPDDR3-SDRAM
Storage mediaeMCP
Compatible memory cardsMicroSD (TransFlash)
Maximum memory card size128 GB
Internal storage capacity16 GB
Graphics cardMali 400
Graphics card familyARM
Number of built-in speakers1
Rear camera typeSingle camera
Rear camera resolution (numeric)2 MP
Front camera resolution (numeric)0.3 MP
3G standardsWCDMA
SIM card typeNanoSIM
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version4.0
Top Wi-Fi standardWi-Fi 4 (802.11n)
Mobile network generation3G
Standby time250 h
Battery capacity2750 mAh
Battery life (max)- h
Continuous video playback time5 h
AC adapter output current1 A
AC adapter output voltage5 V
Microphone inNo
HDMI ports quantity0
Color nameSlate Black
Device typeMobile tablet
Form factorSlate
Product colorBlack
Sustainability certificatesRoHS
Weight and Dimensions IconWeight and Dimensions
Depth10.35 mm
Width193.2 mm
Height110.54 mm
Weight271.7 g

Summary

General Safety

Electrical Safety

Safety Inspection Guide

Handling ESD-Sensitive Devices

Grounding Requirements

Safety Notices: Multilingual Translations

Safety Notice 1: FRU Replacement Precautions

Precautions for FRU replacement, checking for loose parts and potential shorts.

Safety Notice 2: Battery Dangers

Safety Notice 4: Lithium Battery Dangers

Important Service Information

BIOS and Driver Updates

Customer-installable BIOS and device driver fixes available on the support site.

Strategy for Replacing FRUs

Important Notice for Replacing a System Board

General Checkout Procedures

Important Service Notes

Key service notes on trained personnel, part replacement, and screw usage.

What to Do First Before Servicing

Warranty Coverage Limitations

Items not covered by warranty and symptoms of non-warranted activities.

FRU Replacement Notices

Screw Notices and Usage

Guidelines for using special nylon-coated screws and proper tightening techniques.

Parts List

Tablet Parts

List of tablet components and their corresponding FRU numbers.

AC Adapter Parts

List of AC adapters and their corresponding FRU numbers.

Power Cord Parts

List of power cords and their corresponding FRU numbers.

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