Nokia 7280 Service Manual 07 RM14 sysmod

Nokia Customer Care

7 - System Module

RM-14

Nokia Customer Care 7 - System Module

[This page left intentionally blank]

2 COMPANY CONFIDENTIAL ISSUE 1 11/04

RM-14 7 - System Module Nokia Customer Care

Table of Contents

Page No

Abbreviations ......................................................................................................6

General Description............................................................................................9

Feature list ......................................................................................................... 9

HW specific features: ....................................................................................... 9

UI features .......................................................................................................9

Technical Specifications .................................................................................. 10

Normal and extreme voltages.......................................................................... 10

Temperature conditions................................................................................... 10

Humidity........................................................................................................... 11

Vibration........................................................................................................... 11

ESD strength.................................................................................................... 11

HW Architecture Description ...........................................................................12

GSM Cellular Engine .....................................................................................12

RTC Circuitry .................................................................................................12

Zocus .............................................................................................................13

Power Management .......................................................................................... 14

HW reset switch............................................................................................... 14

Safety protected battery mode .......................................................................14

UEMEK............................................................................................................ 15

Internal regulator.............................................................................................. 16

External regulators........................................................................................... 17

VCORE SMPS ............................................................................................... 17

Bluetooth regulator .........................................................................................18

White Led Driver ............................................................................................ 18

Filter Components ..........................................................................................18

Power distribution ............................................................................................ 19

Battery connector............................................................................................. 20

Battery.............................................................................................................. 20

Charger interface............................................................................................. 21

System Connector ............................................................................................ 22

Interfaces ...........................................................................................................23

Camera............................................................................................................ 23

SIM interface.................................................................................................... 23

Flash Pads Pattern ........................................................................................23

Connectivity....................................................................................................... 25

IrDA.................................................................................................................. 25

IrDA Tiku EDGE Interface .............................................................................. 25

ISSUE 1 11/04 COMPANY CONFIDENTIAL 3

RM-14

Nokia Customer Care 7 - System Module

Audio..................................................................................................................26

Display unit ...................................................................................................... 26

Mounting ........................................................................................................26

Engine Interface .............................................................................................26

Keyboard/UI..................................................................................................... 26

UI module .......................................................................................................26

Rotator ...........................................................................................................27

Function during use .......................................................................................27

Slide switch...................................................................................................... 29

LED driver........................................................................................................ 29

Generel circuit description .............................................................................30

Driving display and UI backlight ..................................................................... 30

Driving RGB LED ........................................................................................... 30

RF Module Introduction.................................................................................... 31

RF Frequency Plan............................................................................................ 32

Regulators ......................................................................................................... 33

Power Distribution ............................................................................................35

RF Characteristics ............................................................................................ 36

RF Block Diagram . ............................................................................................ 38

Frequency Synthesizers................................................................................... 39

Receiver........................................................................................................... 39

Transmittter...................................................................................................... 39

Front end.......................................................................................................... 39

Power amplifier................................................................................................ 40

RF ASIC Helgo ................................................................................................ 41

AFC function.................................................................................................... 41

List of Figures Page No

Fig 1 RTC supply circuit.......................................................................................11

Fig 2 Zocus Circuit ...............................................................................................12

Fig 3 HW Reset circuit .......................................................................................... 14

Fig 4 Power Supply Overview..............................................................................15

Fig 5 SIM Filtering.................................................................................................17

Fig 6 Power Distribution.......................................................................................18

Fig 7 The connector............................................................................................. 19

Fig 8 BL-8N Battery.............................................................................................. 19

Fig 9 Charger Circuit............................................................................................20

Fig 10 TIKU/UEMEK SIM Interface Connections................................................. 22

Fig 11 FINUI and LABEL I/F ................................................................................ 23

Fig 12 Schematic for UI module............................................................................ 25

4 COMPANY CONFIDENTIAL ISSUE 1 11/04

RM-14 7 - System Module Nokia Customer Care

Fig 13 Function during use.................................................................................... 26

Fig 14 The switch................................................................................................. 28

Fig 15 LED driver................................................................................................. 29

Fig 16 Figure 13 RF Frequency Plan....................................................................31

Fig 17 Power distribution diagram......................................................................... 34

Fig 18 RF Block Diagram.....................................................................................37

Fig 19 Front end................................................................................................... 40

Fig 20 Power Amplifier.........................................................................................40

ISSUE 1 11/04 COMPANY CONFIDENTIAL 5

RM-14

Nokia Customer Care 7 - System Module

Abbreviations

Abbr. Description

ACI Accessory Control Interface ADC Analog to digital converter ASIC Application Specific Integrated Circuit ASIP Application Specific Integrated Passive ADSP Application DSP (expected to run high level tasks) ARM Advanced RISC Machines ARM915 ARM9TDMI Core, Caches, MMU’s ARM925 ARM915 + WinCE Compatible MMU (WinCE is a hardwareprogrammed option

which will not be enabled for Tiku.) BB Baseband BB4.5 Common BaseBand 4.5 program BC02 Bluetooth module by CSR BL-8N Battery type. BlueBird Bluetooth interface program to CSR. CCP Compact Camera Port CDSP Cellular DSP (expected to run low level tasks) CIF Common Intermediate Format (352x288 pixels) COF Chip on foil COG Chip On Glass CP Co-processor CSR Cambridge Silicon Radio CSTN Color Super Twisted Nematic CTSI Clock Timing Sleep and Interrupt block of Tiku DCT4.5 Digital Core Technology, generation 4.5 DSP Digital Signal Processor DUT Device under test EMC Electro Magnetic Compatibility ESD Electro Static Discharge

6 COMPANY CONFIDENTIAL ISSUE 1 11/04

RM-14 7 - System Module Nokia Customer Care

FR Full Rate FSTN Film compensated Super Twisted Nematic GSM Global System Mobile HW Hardware IF Interface IHF Integrated Hands Free IMEI International Mobile Equipment Identity IR Infrared IrDa Infrared Data Association LCD Liquid Crystal Display LDO Low Drop Out LED Light Emitting Diode LPRF Low Power Radio Frequency MCU Microprocessor Control Unit NTC Negative temperature Coefficient, temperature sensitive resistor used as an

temperature sensor. PA Power Amplifier (RF) PDA Personal Digital Assistant PDRAM Program/Data RAM (on chip in Tiku) Phoenix SW tool of DCT4.x PUP General Purpose IO (PIO), USARTS and Pulse Width Modulators PWB Printed Wired Board RHEA TI bus from Lead3 RTC Real Time Clock, small circuitry that keeps track of updating the clock counter

and the calendar. SARAM Single Access RAM SIM Subscriber Identification Module SW Software SWIM Subscriber / Wallet Identification Module TCXO Temperature Controlled Chrystal Oscillator Tiku UPP (Universal Phone Processor), Official Tiku3G TI Texas Instruments, American company

ISSUE 1 11/04 COMPANY CONFIDENTIAL 7

RM-14

Nokia Customer Care 7 - System Module

UEME Universal Energy Management Enhanced UI User Interface USB Universal Serial Bus USWIM UMTS Subscriber / Wallet Identification Module USIM UMTS Subscriber Identification Module UPP Universal Phone Processor UPP_WD2Communicator version of DCT4 system ASIC

VIA Versatile Interface Architecture (on chip bus structure)

Copper plated, drilled connection between layers in a PWB WCDMA Wide Band Code Division Multiple Access, Third Generation (3G) of Mobile Tel-

ephones Zocus Zero Ohm Current Sensor, Current measuring device. It measures the current

from and to the battery . It is used by the EM SW for calculating the left over pow-

er in the battery.

8 COMPANY CONFIDENTIAL ISSUE 1 11/04

RM-14 7 - System Module Nokia Customer Care

General Description

■ Feature list

HW specific features:

- Monoblock phone

- Tripleband Engine (900, 1800, 1900)

- GPRS/EGPRS MSC 10 (4+1, 3+2)

- FR, EFR, AMR codecs

- Integrated VGA Camera

- Display: 208x104 pixels, transmissive and mirror (on film) effect

- MMS (Multi Media Messaging), Java MIDP2.0, SyncML1.1.1 and X-HTML

- Intergrated MP3 file support

- Bluetooth

- IR

- FM Radio

- IHF

- Rotator with limited UI input keys: Upper Soft Key, Lower Soft Key, SEND/END keys

- Mono (Plug'n'play) Accessory support

- Slide for receiving call

- Fixed battery

UI features

Bearers supported:

− EDGE

−CSD, HSCSD

−GPRS

−Bluetooth

ISSUE 1 11/04 COMPANY CONFIDENTIAL 9

RM-14

Nokia Customer Care 7 - System Module

Technical Specifications

These figures are a summary of the SPR-requirements.

■ Normal and extreme voltages

Following voltages are assumed as normal and extreme voltages for used battery:

Table 1: Normal and extreme voltages

Voltage Voltage [V] Condition

General Conditions

Nominal voltage 3.90

Lower extreme voltage 3.3

Higher extreme voltage 4.30

HW Shutdown Voltages

Vmstr+ 2.1 ± 0,1 Off to on

Vmstr- 1.9 ± 0,1 On to off

SW Shutdown Voltages Sw shutdown 3.1 In call Sw shutdown 3.2 In idle

Min Operating Voltage

Vcoff+ 3.1 ± 0,1 Off to on

Vcoff- 2.8 ± 0,1 On to off

HW-Reset Demands

Min 1.0V

Max --

a. The nominal voltage is defined as being 15% higher than lower extreme voltage. TA will test with this nominal voltage at an 85% range (0.85 x 3.9V ª 3.3V) b. This limit is set to be above SW shutdown limit in TA.

b c

c. During fast charging of an empty battery, this voltage might exceed this value. Voltages between 4.20 and 4.60 might

appear for a short while

d. The minimum Battery cell voltage required for the reset circuitry to turn on. This is not confirmed by measures at pt..

■ Temperature conditions

(1) Operational temperature range (all specifications met within this range) –10°C +55°C

(2) Functional temperature range (Reduced performance) –30°C +70°C

(3) Storage temperature range: –30°C +85°C

10 COMPANY CONFIDENTIAL ISSUE 1 11/04

RM-14 7 - System Module Nokia Customer Care

Temperatures at –10°C, +25°C and +55°C are used for cpk analysis. The baseband module complies with the SPR4 Operating Conditions.

■ Humidity

Relative humidity range is 5...95%. The BB module is not protected against water . Condensed or spla shed water might cause mal-

function. Any submerge of the phone will cause permanent damage. Long-term high humidity, with condensation, will cause permanent damage because of corrosion.

The baseband module complies with the SPR4 Operating Conditions.

■ Vibration

The baseband module complies with the SPR4 Operating Conditions.

■ ESD strength

The baseband module complies with the SPR4 Operating Conditions.

ISSUE 1 11/04 COMPANY CONFIDENTIAL 11

RM-14

Nokia Customer Care 7 - System Module

HW Architecture Description

GSM Cellular Engine

The BaseBand Engine consists of the TEMS (TikuEdge Memory Stacked Package) concept and UEMEK. The TEMS concept combines all memory components in one package, which is stacked on top of the TikuEdge. The memory combines 128Mbit NOR Flash, 512Mbit NAND Flash and 128Mbit SDRAM in one package. The TikuEdge is also implemented in a stacked package in which all pin connections are available on bottom pinout, and memory interface on top pin out (POP I/F).

The energy manegement related part of the microBB4.5 engine is the UEMEK.

RTC Circuitry

Therefore a voltage regulator is used to supply the RTC circu it via the battery . The circu it looks as follows:

Figure 1: RTC supply circuit

This is used in sleep mode where it is able to source 3mA. The supply VBAT_PA is byp assing the HW switch, and therefore will have contact to the battery also whe n the SIM drawer is pulled out.

The circuit will give a long back up time. Capacity on the battery when it has been discharged to engine cut off (3,1V) is still 2.2mAh before battery voltage reaches 2,9V. This gives a back up time of approx:

71 hours.

12 COMPANY CONFIDENTIAL ISSUE 1 11/04

RM-14 7 - System Module Nokia Customer Care

Zocus

The Zocus device (LM3820) is a precision current sensor, used by energy management software to determine the current consumption in the mobile phone.

Figure 2: Zocus Circuit

ISSUE 1 11/04 COMPANY CONFIDENTIAL 13

+ 29 hidden pages