Nokia NPL-4 Series Manual page 5

Nokia Customer Care
Power supply for LEDs .............................................................................................68
Keyboard LEDs driver ...............................................................................................69
Display and air bubble LED driver ............................................................................69
RM-104 standby light design .................................................................................. 70
Blinking: ...............................................................................................................70
On, but not blinking: .............................................................................................70
Off: ........................................................................................................................70
Flashlight LEDs driver ..............................................................................................71
Internal microphone ...................................................................................................71
Internal speaker ..........................................................................................................73
IHF .............................................................................................................................73
Headset connections ..................................................................................................74
Vibra ..........................................................................................................................75
RF Module ................................................................................................................... 76
RF frequency plan ................................................................................................... 77
DC characteristics ......................................................................................................78
Regulators................................................................................................................ 78
Power distribution ................................................................................................... 79
RF characteristics .......................................................................................................80
RF block diagram .................................................................................................... 81
RF block diagram NPL-4/5 & RM-104 .................................................................. 81
Frequency synthesizers ........................................................................................... 82
Receiver................................................................................................................... 82
Transmitter .............................................................................................................. 83
Antenna switch module........................................................................................... 84
Power Amplifier...................................................................................................... 85
RF ASIC Helgo ....................................................................................................... 86
AFC function........................................................................................................... 86
Antenna .................................................................................................................. 86
List of Figures
Fig 1 Interconnection diagram .............................................................................................10
Fig 2 Baseband blocks. .......................................................................................................13
Fig 3 PWB vias ....................................................................................................................15
Fig 4 Power Distribution Diagram.......................................................................................18
Fig 5 Battery Pack Contacts.................................................................................................35
Fig 6 Camera Connections to Baseband ..............................................................................37
Fig 7 FM Radio Audio-, Antenna- and Digital Interface Connections ...............................37
Fig 8 Baseband and Compass Interface ...............................................................................38
Fig 9 Ambient Temperature Sensor Interface to BB ...........................................................39
Fig 10 UPP/UEMEK SIM Interface Connections ...............................................................40
Fig 11 FCI Interface.............................................................................................................41
Fig 12 FCI Connector Pin Order on PWB ...........................................................................41
Fig 13 Earth's Magnetic Field .............................................................................................44
Fig 14 Earths's Magnetic Field Components ......................................................................45
Fig 15 Block Diagram..........................................................................................................46
Fig 16 Magnetometer Sensor Block Diagram .....................................................................49
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Issue 2 05/05
System Module and User Interface
NPL-4/5/
Page No
Page 5