External Signals And Connections - Nokia RH-99 Service Manual

Line symbol
XMICP
XMICN
XEARP
XEARN
INT
GND

External signals and connections

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Figure 79 4-pole jack plug for audio accessory
Table 6 Connector for External Audio Accessories
Table 7 System connector
Pin
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
RH-99; RH-100; RH-105; RH-106
Function
External microphone signal input
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
System module
Signal
Issue 2