Nokia NSB-9 Service Manual page 37

CCS Technical Documentation
Signal
MICP
MICN
Signal
EARP
EARN
Signal
IHFP
IHFN
Signal
VBAT
VIBRA
Issue 1 04/03
Table 17: Internal Microphone
Min Nom
2.0 V 2.1 V
2.0V 2.1V
Table 18: Internal Speaker
Min Nom
0.75V 0.8V
0.75V 0.8V
Table 19: Integrated hands free speaker
Min Nom
V V
V V
Table 20: Internal vibra
Min Nom
3.1V 3.6V
1.0V 1.5V
Nokia Corporation
System Module and User Interface
Max Condition
200mV AC
pp
2.25 V DC
2.25V DC
Max Condition
2.0 V AC
pp
DC
0.85V
2.0 V AC
pp
DC
0.85V
Max Condition
V AC
pp
DC
V
V AC
pp
DC
V
Max Condition
4.2V
2.3V DC
NSB-9
Note
2.2kΩ to MIC1B
Note
Differential output
(V = 4.0 V )
diff pp
Note
Differential output
Vbat 4.1V, 1kHz, 8Ω,
1% THD
(V = 2.4V )
diff pp
Note
Udc_motor
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