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Baseband ........................................................................................................................ 5 Technical Summary .....................................................................................................5 External Signals and Connectors .................................................................................7 Internal Signals and connections ...............................................................................13 Power Distribution .....................................................................................................14 PWM .........................................................................................................................19 Supply voltage regulators ..........................................................................................21 Switched mode power supply VSIM .........................................................................22 Power Up and Power Down ......................................................................................23 Modes of Operation ...................................................................................................26 Audio Control ............................................................................................................27 COBBA GJP .............................................................................................................38 RF Module ................................................................................................................... 40 Maximum Ratings .....................................................................................................40 RF Characteristics ......................................................................................................40 RF Frequency Plan ....................................................................................................41 DC characteristics ......................................................................................................41 Power Distribution Diagram ......................................................................................42 RF Functional Description-Diagram ........................................................................43 Frequency Synthesizer ...............................................................................................44 Receiver .....................................................................................................................45 Transmitter .................................................................................................................46 AGC strategy .............................................................................................................47 AFC function .............................................................................................................47 DC-compensation ......................................................................................................48 Receiver Characteristics ............................................................................................48 Transmitter Characteristics .......................................................................................49 User Interface ............................................................................................................... 50 LCD Module .............................................................................................................50 Keyboard ....................................................................................................................50 Power Key .................................................................................................................51 Backlight for Display and Keyboard .........................................................................51 UI-Switch ...................................................................................................................51 Audio and Vibrator ...................................................................................................... 52 Audio Function Description ......................................................................................52 Internal Audio Devices ..............................................................................................53 Microphone ................................................................................................................54 Buzzer ........................................................................................................................55 Audio Accessories .....................................................................................................57 External Audio Interrface ..........................................................................................58 Accessory Detection, Identification and Control .......................................................62 Accessories Electric Specifications ...........................................................................64 Vibra Alerting Device ...............................................................................................65 Parts Lists ..................................................................................................................... 67
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3DJH 1R Fig 1 Block Diagram............................................................................................................5 Fig 2 Pad Number description .............................................................................................8 Fig 3 X201 and VPP/VPPGND pad ....................................................................................9 Fig 4 Production Flash Connector .......................................................................................11 Fig 5 X203 Battery Pads ......................................................................................................12 Fig 6 GD47 LCD Pin Numbers ...........................................................................................14 Fig 7 Baseband Power Distribution .....................................................................................15 Fig 8 Charging Block Diagram............................................................................................16 Fig 9 Output Overvoltage protection - Battery Removed....................................................18 Fig 10 BSI Connections - All Batteries ...............................................................................19 Fig 11 SIMCardDetX Detection Levels ..............................................................................20 Fig 12 Standard Battery, BTEMP Connection ....................................................................21 Fig 13 SMR Power Functions..............................................................................................23 Fig 14 Power Up with Charger ............................................................................................24 Fig 15 Power Up with Switch..............................................................................................25 Fig 16 Audio Control Timimg Chart ...................................................................................28 Fig 17 Flash Programming Sequence .................................................................................32 Fig 18 Flash Protection/ +12V Flash ...................................................................................33 Fig 19 RF Fequency Plan....................................................................................................36 Fig 20 Frequency Synthesiser..............................................................................................39 Fig 21 Transmitter ...............................................................................................................42 Fig 22 Audio /Vibrator Schematic.......................................................................................47 Fig 23 Audio Block Diagram (version 4) ............................................................................48 Fig 24 Internal Ear Piece Electric Interface.........................................................................49 Fig 25 Internal Microphone Electrical Interface..................................................................49 Fig 26 Buzzer Electrical Interface .......................................................................................50 Fig 27 External Audio Interface- Block Diagram................................................................53 Fig 28 External Audio Interface - Microphone....................................................................54 Fig 29 External Audio Interface - Speaker ..........................................................................54 Fig 30 Triggering levels/Forbidden Operating Range-HEADDET and HOOKDET..........55 Fig 31 4 Pole Jack plug for audio accessories .....................................................................56 Fig 32 HDC-5 Schematic.....................................................................................................58 Fig 33 Vibrator Electrical Interface .....................................................................................60 Schematics/Layouts .............................................................................................. A1-A8
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· By Aftersales using the 4-poled `Test Flash Connection' pos.: X201 and a `HDa12 Service battery'. In Production using the 8-poled `Production Flash Connection' pos.: X202. (PADs located on the Keyboard side of the PCB).
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Table 2: Test Flash-Connector Electrical Specification 3LQ
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Fig. 9 Charging block diagram
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Pressing the power key, that is monitored by the MAD, which starts the power down procedure. If the battery voltage is dropped below the operation limit, either by not charging it or by removing the battery. Letting the CCONT watchdog expire, which switches off all CCONT regulators and the phone is powered down. Setting the real time clock to power off the phone by a timer. The RTC generates an interrupt signal, when the alarm is turned off by the user. The RTC interrupt signal is connected to the PWRONX line to give a power off signal to the CCONT just like the power key.
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