Accessory audio mode is automatically enabled/disabled during connection/disconnection of dedicatedphone accessories.A dynamic 7mmx11mm earpiece capsule is connected directly to the EM ASIC (N2200) differential outputsEarP and EarN through the Slide flexi and the UI PWB.Figure 101 External microphone circuitry (system connector connects to the right side)Internal earpieceThe internal earpiece is used in the HandPortable (HP) call mode. A dynamic 7mmx11mm earpiece capsuleis connected directly to the EM ASIC (N2200) differential outputs EarP and EarN through the Slide flexi andthe UI PWB.Internal speakerThe internal speaker is used in Internal HandsFree (IHF) call mode.A dynamic 16 mm speaker is connected to the EM ASIC (N2200) outputs HFSpP and HFSpN.The IHF amplifier integrated in N2200 is a Digital Pulse Modulated Amplifier (DPMA).Figure 102 Internal speaker circuitryRM-91; RM-92System Module Nokia Customer CareIssue 1 COMPANY CONFIDENTIAL Page 9 –25Copyright © 2006 Nokia. All rights reserved.
