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PAMS
Technical Documentation
NSE–3
System Module
Page 3 – 17
Original 11/97
Functional Description
Power Distribution
In normal operation the baseband is powered from the phone‘s battery.
The battery consists of one Lithium–Ion cell. There is also a possibility to
use batteries consisting of three Nickel Metal Hydride cells. An external
charger can be used for recharging the battery and supplying power to
the phone. The charger can be either a standard charger that can deliver
around 400 mA or so called performance charger, which can deliver sup-
ply current up to 850 mA.
The baseband contains components that control power distribution to
whole phone excluding those parts that use continuous battery supply.
The battery feeds power directly to three parts of the system: CCONT,
power amplifier, and UI (buzzer and display and keyboard lights). Figure 4
shows a block diagram of the power distribution.
The power management circuit CHAPS provides protection agains over-
voltages, charger failures and pirate chargers etc. that would otherwise
cause damage to the phone.
CCONT
SIM
+
BOTTOM CONNECTOR
CHAPS
COBBA
BATTERY
PA SUPPLY
RF SUPPLIES
VBB
BASEBAND
VBAT
VCOBBA
VSIM
VBB
CNTVR
PWM
VBAT
PWRONX
PURX
VIN
UI
BACKUP
RTC
MEMORIES
MAD
LIM
VBB
Содержание NSE-3 SERIES
Страница 3: ...NSE 3 SeriesTransceivers PAMS Technical Documentation Original 11 97 Chapter 1 Foreword ...
Страница 7: ...NSE 3 Series Transceivers PAMS Technical Documentation Original 11 97 Chapter 3 System Module ...
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Страница 80: ...PAMS Technical Documentation Original 11 97 Chapter 4 UI Module UE4 ...
Страница 83: ...PAMS Technical Documentation UI Module UE4 Page 4 4 Original 11 97 Baseband Block Diagram ...
Страница 95: ...PAMS Technical Documentation UI Module UE4 Page 4 16 Original 11 97 This page intentionally left blank ...
Страница 96: ...UIF Module UE4 Original 11 97 4 A3 1 Circuit Diagram of UIF Module Version 8 Edit 44 for layout version 10 ...
Страница 98: ...UIF Module UE4 Original 11 97 4 A3 3 Circuit Diagram of Keyboard Version 8 Edit 38 for layout version 10 ...
Страница 99: ...UIF Module UE4 Original 11 97 4 A3 4 Layout Diagram of UE4 Version 10 ...
Страница 100: ...PAMS Technical Documentation Original 08 96 Appendix 1 TRANSCEIVER NSE 3NX ...
Страница 104: ...NSE 3 Series Transceivers PAMS Technical Documentation Original 11 97 Disassembly Troubleshooting Instructions ...
Страница 139: ...PAMS Technical Documentation Original 11 97 HFU 2 ...
Страница 146: ...PAMS Technical Documentation HFU 2 Page 8 Original 11 97 Exploded View of HFU 2 3 2 4 5 1 ...
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Страница 154: ...PAMS Technical Documentation Original 11 97 CARK 64 Installation Guide ...
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Страница 159: ...PAMS Technical Documentation Original 11 97 CARK 91 Installation Guide ...
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Страница 168: ...NSE K B 3 Series Transceivers PAMS Technical Documentation Original 11 97 Service Tools ...
Страница 192: ...PAMS Technical Documentation NSE K B 3 Service Tools Page 25 Original 11 97 This page intentionally left blank ...
Страница 193: ...NSE 3 System Module UP8T Original 11 97 3 A3 1 Block Diagram of System RF Blocks ...
Страница 194: ...NSE 3 System Module UP8T Original 11 97 3 A3 2 Circuit Diagram of Baseband Version 12 Edit 8 for layout version 14 ...
Страница 195: ...NSE 3 System Module UP8T Original 11 97 3 A3 3 Circuit Diagram of Power Supply Version 14 Edit 41 for layout version 14 ...
Страница 198: ...NSE 3 System Module UP8T Original 11 97 3 A3 6 Circuit Diagram of Audio Version 14 Edit 27 for layout version 14 ...
Страница 199: ...NSE 3 System Module UP8T Original 11 97 3 A3 7 Circuit Diagram of IR Module Version 14 Edit 21 for layout version 14 ...
Страница 200: ...NSE 3 System Module UP8T Original 11 97 3 A3 8 Circuit Diagram of RF Block Version 14 Edit 26 for layout version 14 ...
Страница 203: ...NSE 3 Series Transceivers PAMS Technical Documentation Original 11 97 Tuning Instructions ...
Страница 217: ...PAMS Technical Documentation NSE 3 Tuning Instructions Page 15 Original 11 97 This page intentionally left blank ...