User manual LENOVO B6000-H

[. . . ] B6000 / B8000 Hardware Maintenance Manual Note: Before using this information and the products it supports, be sure to read the general information under “Notices” on page 67. LENOVO products, data, computer software, and services have been developed exclusively at private expense and are sold to governmental entities as commercial items as defined by 48 C. 101 with limited and restricted rights to use, reproduction and disclosure. LIMITED AND RESTRICTED RIGHTS NOTICE: If products, data, computer software, or services are delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. [. . . ] If you suspect a power problem, see the appropriate one of the following power supply checkouts: • “Checking the IdeaTab AC Charger” on page 21 • “Checking the internal battery status” on page 21 Checking the IdeaTab AC Charger When you use the IdeaTab AC Charger to charge the tablet but no power is charged, see the instructions in this topic to check the IdeaTab AC Charger. To check the IdeaTab AC Charger, do the following: 1. Disconnect the micro-USB cable from the tablet. Measure the output voltage across the connector marked B of the micro-USB cable. Refer to the following figure: 12 3 (5V) Pin 1 2 3 Voltage (V dc) Ground 0 +5 Note: The output voltage across pin 3 of the micro-B connector might be different from the one you are servicing. If the voltage is not correct, replace the micro-USB cable. If the voltage is acceptable, replace the system board. Checking the internal battery status To check the battery status of the tablet, do either of the following: • Approximate information about the battery status Get the approximate status of the battery at any time by checking the battery status icon on the system bar in the upper-right corner of the screen. The shorter the green bar is, the less the battery power remains. € Accurate information about the battery status To get the accurate information about the battery status of the tablet, do the following: 21 Lenovo B6000/B8000 Hardware Maintenance Manual 1. To open the Android Settings screen, do either of the following: – – From the main Home screen, touch the Android Settings icon on Lenovo Launch Zone. the Android Settings screen is displayed. Pull down the right side of the action bar and then touch the Settings icon. Touch Battery in the Device section on the Android Settings screen. The accurate percentage of the remaining battery power, as well as applications that are consuming battery power, are shown on the Battery screen. 22 Related service information Related service information This chapter presents the following information: • “Security” on page 23 • “Power management” on page 23 Security Security settings include: SCREEN SECURITY , SIM CARD LOCK (3G version only) , PASSWORDS , DEVICE ADMINISTRATION and CREDENTIAL STORAGE. Power management Note: Power management modes are not supported for APM operating system. To reduce power consumption, the computer has three power management modes: screen blank, sleep (standby), and hibernation. Activating/Deactivating the Display With the display deactivated, press the Power button on the IdeaTab to activate the display. The IdeaTab's display will then illuminate, indicating that it has been activated. If you do not need to use your IdeaTab temporarily, you can press the Power button to deactivate the display. Your IdeaTab will then enter standby mode to save power. [. . . ] Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead. However, it is the user’s responsibility to evaluate and verify the operation of any other product, program, or service. [. . . ]