Figure 90 External earpiece circuitryVibra circuitryVibra is used for vibra-alarm function.The vibra motor is connected to the EM ASIC (N2200) VibraP and VibraN Pulse Width Modulated (PWM) outputs.Figure 91 Vibra circuitryThe vibra is soldered onto the engine PWB.System connectorThe system connector provides a fully differential 4–wire stereo line-level output connection and a fullydifferential 2-wire mono line-level or microphone level input connection.The handsfree driver in one of the EM ASICs is meant for the headset.RM-132; RM-133Nokia Customer Care System ModulePage 9 –24 COMPANY CONFIDENTIAL Issue 1Copyright © 2006 Nokia. All rights reserved.
