Nokia NKC-1X Series, Technical Documentation Manual

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NKC-1X
System Module CCS Technical Documentation
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Nokia Corporation Issue 1 02/03
Regulators................................................................................................................ 47
Receiver .....................................................................................................................47
AMPS/TDMA 800 MHz Front End........................................................................ 49
Frequency Synthesizers .............................................................................................50
Transmitter .................................................................................................................50
Common IF ............................................................................................................. 51
Cellular Band........................................................................................................... 51
Power Control ......................................................................................................... 51
Antenna Circuit ....................................................................................................... 52
TAntenna ...................................................................................................................52
List of Figures
Page No
Fig 1 IInterconnecting Diagram...........................................................................................7
Fig 2 System Block Diagram (simple) ................................................................................10
Fig 3 Placement of keys.......................................................................................................14
Fig 4 Battery Connection Diagram ......................................................................................18
Fig 5 BMC-3 Battery contacts (BLC-2 has the same interface)..........................................19
Fig 6 System Connector.......................................................................................................20
Fig 7 Accessory Detection / External Audio. ......................................................................21
Fig 8 4-wire, fully differential headset connector pin layout...............................................22
Fig 9 Top View of Production Test Pattern.........................................................................23
Fig 10 Test points Located Between UEM and UPP...........................................................23
Fig 11 RF Frequency Block Plan.........................................................................................45
Fig 12 Power distribution diagram ....................................................................................46
Fig 13