Nokia N900 Service Manual
Also see for N900: DatasheetUser guideUser guideUser giudeUser guide
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Contents
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Function Description Item refFront camera VGA SMD camera N1550 (mainflex)Energy managementBattery and chargingBatterySupported battery type is BL-5J.Battery connectorBlade battery connector type.• VBAT (Battery voltage)• BSI (Battery size indication)• GND (Battery ground)ChargingDead battery chargingWeak batteryThis phone is charged through the micro USB connector. The phone supports dedicated, host or hub chargers.Charging is controlled by energy management, and external components are needed to protect the basebandmodule against EMC, reverse polarity and transient frequency deviation. USB charging circuit consists of USBcharging chip BQ24150 and USB transceiver ISP1707. USB wall charger is detected with ISP1707 USBtransceiver. It can directly control BQ24150 to 500mA charging mode.RX-51System ModuleIssue 1 COMPANY CONFIDENTIAL Page 6 –7Copyright © 2009 Nokia. All rights reserved. |
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