Nokia Mobile Phones NSE-5 Series Service Manual page 20

NSE–5
System Module
B side view
Fixing pads (2 pcs)
PCB
A
     Â
B
A side view
Pin Name
1 V_IN
2 L_GND
3 V_IN
4 CHRG_CTRL
5 CHRG_CTRL
6 MIC–P
7 MIC–N
8 XMIC
9 SGND
10 XEAR
11 MBUS
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7
1
Microphone
acoustic ports BB
DC Jack
Charger pads (3 pcs)
Figure 2. System Connector – detailed.
Table 1. System connector signals.
Function
Bottom charger contacts Charging voltage.
DC Jack
DC Jack
DC Jack
Bottom charger contacts Charger control.
Slide Detect Holder
Slide Detect Holder
Bottom & IBI connectors Analog audio input.
Bottom & IBI connectors Audio signal ground.
Bottom & IBI connectors Analog audio output.
Bottom & IBI connectors Bidirectional serial bus.
Technical Documentation
IBI connector
(6 pads)
8 14
Bottom
connector (6 pads)
Cable locking holes (3 pcs)
Description
Logic and charging ground.
Charging voltage.
Charger control.
Slide Detect
Gnd
PAMS
Issue 1 07/99