Nokia 2190 Service Manual db1bddrw
SYSTEM MODULE DB1
NHB–2
9601ARo
Technical Documentation
Copyright Nokia Mobile Phones
1
SYSTEM MODULE DB1
NHB–2
Block Diagram
RF–BLOCK
step AGC
TX 1850–1910MHz
RX 1930–1990MHz
CRFCONT
+6 V
+4.5V
DET0
TXL
Batt.volt.
1650–1710MHz
UHF
VCO
clipped sinewave
313MHz
PLL
VCTCXO
VCXO
9601ARo
Technical Documentation
87MHz
VHF
VCO
f
f
2
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
PDATA
0
RXI
13MHz
90 deg
RXQ
f/4
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
CODER
DSP
IF
MDA
MCU
IF
LCD DRIVER
IF
KEYBOARD
IF
UIM
CARD
IF
97.2ks/s
TXQ
RFICLK
13MHz 135.4KHz
INT 2
CONTROL
RFI2CLK
EEPROM
8k x 8
ASIC
IF
EPROM
(FLASH)
1024k * 8
ADDRESS BUS
DATA BUS
BUS
VBATDET
VC
BTYPE
TBAT
HOOK
JCONN
TRF
RAM
32k x 8
XMIC
IF
RAM
32k x 16
MCUCLK
26MHz
SIO2
DSP
CLK
60,2MHz
SERIAL BUS
MCU
A/D
DRIVERS
SIO
HW
HW
UI
USER
INTERFACE
DEV
DEVICE
CONTROL
LN
LOCAL
NETWORK
SIO
DATA DEVICE
INTERFACE
CELLULAR
SYSTEM
DDI
LOC
LOCALS
CONTROL
OPERATING
SYSTEM
CS
OS
DSP
DSP
CONTROL
PWM
WD
POWER
SUPPLY
VL1 VL2
FLASH
UIM
POWER
VA1 VA2 VREF
BUS
CONTROL
CLK 512kHz
SYNC 8kHz
BATTERY
VIBRA
TBAT
BTYPE
CHARGE
CONTROL
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
Loading...