Acoustics; General - Siemens C45 Repair Documentation

7 Acoustics

7.1 General

The Electro-Acoustic components are: a) The Vibra
Internal
microphone
MICP1 MICN1
PMB6850
EGold+
PWM (50% duty cycle)
V1.0
C45, M50 AND MT50
b) The Microphone
c) The Loudspeaker/Ringer
M46: Audio-concept
EPN2
EPP2
EPN1
EPP1
RINGIN
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MICP2
MICN2
I/O-connector
AUDO N
AUDO P
Schalke Asic
MUX
A1
A2
Internal
speaker
B1
B2
16Ω
C1
C2
Headset
32Ω
ICM MP CCQ ST
05/02