Motorola A835 Service Manual Block Diagram

FL010

WCDMA Rx

Ceramic

Point Filter

2110-2170 MHz

9109674L20

Control

Logic &

Level

Shifting

Diplexer

FL030

WCDMA Tx

Ceramic

Point Filter

1920-1980 MHz

9109674L21

FL460

WCDMA

Tx Isolator

5888234M01

Alpha DD02

5187970L13

Bluetooth

Antenna

Test

connector

Antenna Switch

1

U450

Coupler/

Detector

U420

WCDMA

Power

Amplifier

PA2001_5W

5109908K55

WCDMA ,

EGSM,

GPS

Antenna

FL6051

GPS Ceramic

1575.42 MHz 1575.42 MHz

DCS,

PCS

Tx/Rx

9185223E01 5105739X12

Antenna

FL001

4889695L12

3

4

Diplexer

9109674L17

Interstage SAW
1920-1980 MHz

9109239M16

DCS/PCS Tx

Notch Filter

2

Contained in Front-End

Module

DCS Rx

1805-1880 MHz

Diplexer

PCS Rx

1930-1990 MHz

Diplexer

EGSM Rx

925-960 MHz

FL800

WCDMA Tx RF

Alpha DD05

5885811G11

U801

Coupler/

Detector

Loop Filter

(discrete components)

2304-2376MHz

FL410

T601

5885949K09

T602

5885949K05

T600

5885949K08

U200

MAX2395

WCDMA
Quadrature
Transmitter

5109817F72

U625

LIFE

GSM

LNA/VCO/Mixer

5109940K41

EGSM Tx

880-915 MHz

DCS/PCS Tx

1710-1910 MHz

VTUNE

PROUT

VCOVCC

Superfilter power supply

U800

GSM Power

Amplifier

PA2001_3G

5109908K65

WCDMA Rx RF

Interstage SAW

2110-2170 MHz

9109239M28

U330

FL300

VCO_HB_IN

RFOUT1

VCO_LB_IN

RFOUT2

4220-4340 MHz

MAX2396

2

2

Vcc

Tri-band GSM

Tx VCO

48R09283D97

VT PROUT

U570

RX_I

RX_Q

Loop Filters

(discrete components)

2

2

Loop Filter

(discrete components)

Superfilter power

2

supply

Y500

26 MHz

Crystal

4809612J43

RX_VCO_CP

TX_I

TX_Q

T300

5885949K05

RX_I

WCDMA LNA/Mixer/BB

RX_Q

buffered ref. osc.

U5600

Bluetooth

Module

Amplifiers

5109817F73

2

U6051

GPS

M6050

LNA

0987378K01

13 MHz

PLL

Module

U500

MAGIC_LV

5188450M05

SF_OUT

TX_CP

PRSCINT

Y130

15.36 MHz Reference
Oscillator (TCXO)

4809718L14

AFC_DAC

U101

Harmony Lite 2.1

WCDMA Backend

Processor

5188450M11

RX_SF_OUT

FL6050

GPS SAW

9109239M26

FL510

4887925N01

U6050

GRF2I_LP

GPS IF

5187970L16

Y6050

24.5535 MHz
Crystal

TCXO?

485169E03

FL500

SSI_Rx

I&Q Filter

9188695K04

U6000

GSP2E_LP

GPS

Processor

5109841C70

U1000

POG

CPU

U3000

PCAP

Power &

Audio

Processor

Y3982

32 kHz RTC

Crystal

4809995L10

Broadcom

BCM2035

4889695L14

Rev. 1.1 Chris Leyh 2/20/03

Based on Talon/Paragon by Wiessner,Leyh, and Lahlum

Motorola Confidential Proprietary

Rev 1.0 2/19/03 Chris Leyh Initial revision

Rev 1.1 2/20/03 Ross Lahlum corrected pn on FEM and WCDMA

Rx filter