Nokia N72 Service Manual

Figure 101 Audio block diagram
Internal microphone
Internal microphone is used for HandPortable (HP) and Internal HandsFree (IHF) call modes.
An analogue electret microphone is connected to N2200 Mic1P and Mic1N inputs via asymmetric electrical
connection.
The microphone is biased by N2200 MicB1 bias voltage output.
Figure 102 Internal microphone circuitry
External microphone
Galvanic accessories are connected to the system connector.
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Nokia N72 Specifications

General

Panel type	TFT
Display diagonal	2.1 \
Display resolution	176 x 208 pixels
Display number of colors	262144 colors
Internal memory	20 MB
Zoom capability	20x
Rear camera type	Single camera
Rear camera resolution	1600 x 1200 pixels
Video capture resolution (max)	352 x 228 pixels
Multimedia Messaging Service (MMS)	Multimedia Messaging Service (MMS) is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network
Ringer type	Polyphonic
Form factor	Bar
Product color	Violet
Talk time (2G)	3.40 h
Battery capacity	970 mAh
Standby time (2G)	260 h
2G standards	GPRS

Weight and Dimensions

Depth	53 mm
Width	109 mm
Height	18 mm
Weight	124 g