Nokia 2190 Service Manual sysmodd

SYSTEM MODULE DB1

NHB–2

RF–BLOCK

TX 1850–1910MHz
RX 1930–1990MHz

CRFCONT

+6 V

+4.5V

Block Diagram

step AGC

DET0

TXL

Batt.volt.

1650–1710MHz

clipped sinewave

9701TJE
Technical Documentation

313MHz

UHF
VCO

PLL

VCTCXO
VCXO

VHF
VCO

87MHz

8–47

Copyright  Nokia Mobile Phones

48.6ks/s

48.6ks/s

97.2ks/s

1ks/s

97.2ks/s

RFI

RX

DETECTION

BURST
BUILDING

DECRYPTION

ENCRYPTION

DEINTER–

LEAVING

INTER–
LEAVING

CHANNEL SPEECH
DECODER DECODER

CHANNEL
CODER

SPEECH
CODER

DSP

CODEC

UI

XEAR

EARPHONE

D/A

SIO1

TX

SIO

A/D

SIDETONE

MICRO–
PHONE

PDATA0

RXI

13MHz

90 deg

RXQ

f

f/4

f

f/2

TX POWER

CONTROL

TXIP
TXIN

AGC

RXI

I/Q
CLOCK
GENER

RXQ

TXC INT 2

AFC

TXI

INT 2

TXPWR
RXPWR

SYNTHPWR

–4V

+6V

D2CA

BIAS

+4V5_TX

26MHz

CLOCK GENERATION
(PART OF CTI)

DIV

DIV
DIV

DIV

DIV ENAB

ENAB

ENAB

ENAB

ENAB

DBUS

CLkS

RFI

CLk

RFI2

CLk

CODEC
CLkS

MCU
CLk

512kHz
8kHz

13MHz

135,4kHz

512kHz
8kHz

26MHz

TXL

SENA1
SCLK
SDATA

CRFRT

TXP

MFI

MODULATOR

RX TX
CONTROL

RX
BUFFER

SYNTE
CONTROL

CTI

VITERBI

TXQP
TXQN

MCU/DSP
MAILBOX

RFICLK
13MHz 135.4KHz

CODER

DSP
IF

MDA

MCU

IF

LCD DRIVER

IF

KEYBOARD

IF

UIM

CARD

IF

TXQ

CONTROL

EEPROM

8k x 8

INT 2

RFI2CLK

97.2ks/s

EPROM
(FLASH)
1024k * 8

ASIC

IF

ADDRESS BUS
DATA BUS

BUS

IF

VBATDET
VC

BTYPE

TBAT

HOOK
JCONN
TRF

RAM

32k x 8

RAM

32k x 16

A/D

DRIVERS

SIO

HW

HW

UI

USER

INTERFACE

DEV

DEVICE

CONTROL

LN

LOCAL

NETWORK

SIO

MCUCLK
26MHz

MCU

DATA DEVICE

INTERFACE

CONTROL

DDI

LOC

LOCALS

OPERATING

CS

CELLULAR

SYSTEM

CONTROL

OS

SYSTEM

DSP

DSP

PWM

SIO2

DSP
CLK

WD

POWER
SUPPLY

VL1 VL2

FLASH

UIM

POWER

60,2MHz

SERIAL BUS

VA1VA2 VREF

BUS

CONTROL

CLK 512kHz
SYNC 8kHz

BATTERY

VIBRA
TBAT

BTYPE

CHARGE
CONTROL

XMIC

LIGHTS

CALL LED

CHARGER

PWR KEY

BUZZER

DISPLAY

KEYBOARD

DATA CLK 512kHz
SYNC CLK 8kHz

MBUS

DBUS
CLKS

HD851 BLOCK DIAGRAM 25.4.1995 / PeH

9600baud

57.8 kbaud
CLK 512kHz

SYNC 8kHz

MBUS

INTERFACE

DBUS

INTERFACE

UIM

CARD

SYSTEM MODULE DB1

NHB–2

9701TJE
Technical Documentation

Block Diagram of System Section (Version 9.0)

8–48

Copyright  Nokia Mobile Phones

SYSTEM MODULE DB1

Ci

CTRLU S

0)

NHB–2

9701TJE
Technical Documentation

rcuit Diagram of

8–49

Copyright  Nokia Mobile Phones

ection (Version 9.

SYSTEM MODULE DB1

NHB–2

9701TJE
Technical Documentation

Circuit Diagram of PWRU Section (Version 9.0)

8–50

Copyright  Nokia Mobile Phones