External Signals And Connections; Interfaces - Nokia RM-291 Service Manual

Nokia Customer Care
Line symbol
XMICN
XEARP
XEARN
INT
GND

External signals and connections

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Interfaces

External signals and connections
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Table 12 System connector
Pin
Table 13 System connector
Pin
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
Function
External microphone signal input
External earphone signal output
External earphone signal output
Accessory detection
Ground (Only used by PPH-1)
GND
*
XMICIN
XEARN
XMICP
XEARP
HEADINT
GND
*
XMICIN
XEARN
XMICP
XEARP
HEADINT
System module
Signal
Signal
RM-291
Issue 1