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Microphone And Loudspeaker (ringer); Loudspeaker; Microphone - Siemens C45 Repair Documentation

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7.3 Microphone and Loudspeaker (Ringer)

7.3.1 Loudspeaker

Loudspeaker
(EPP1_FIL, EPN1_FIL, EPP2,
EPN2) and Microphone
(MIC2, MICN2-
MICP1,
MICN1) are connected directly to the Voiceband-Part of EGOLD+

7.3.2 Microphone

Both Microphones are directly connected to the EGOLD+.(
) via the
Voiceband F1-F4
signals MICN1,
MICP1
(Internal Microphone )and MICN2,
MICP2
(External Microphone/Headset). Power supply for the Microphone is
VMIC
(
)
Voiceband E1
V1.0
Page 40 of 46
ICM MP CCQ ST
C45, M50 AND MT50
Company Confidential © Copyright Siemens AG
05/02

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