User Guide

ISSUE 1 09/2004 COMPANY CONFIDENTIAL 21

RH-59/60

7-System Module Nokia Customer Care

Figure 6:Internal electrical microphone interface

■ Batteries

Type:BL-5C battery

Technology:Li-Ion. 4.23V charging. 3.1V cut-off

Capacity:BL-5C; 850 mA

Figure 7: BL-5C Battery

The BSI values:

Table 11: BSI of BL-5C

The battery includes an over-temperature and an over-voltage protection circuit.

Mode BSI (kOhm) Description

Min. Type Max

Normal 75 (BL-5C) Used for calculating the Capacity (BL5-C =Low

bandmA)

Service 3.2 33/39 3.4 Pull-down resistor in battery. Used for fast power-

up in production (LOCAL mode), R/D purposes or

in after sales, 1% tolerance resistors shall be

used.

UEM

MIC+

MIC-

4.7uF

MIC1N

MIC1P

MICB1

220

2k2

1n 1n

MICBCAP

22k

2*33n

Placed near

UEM

Placed near

bottom

connector

2k2