Motorola A920, A925 Service Manual Block Diagram
Test Connector
Paragon 1.5 RF Block Diagram
version 1.0
WCDMA Rx
Ceramic
Bandpass Filter
2110-2170 MHz
FL020
Transmission Line
Zo = 50
ANT
HL_TX_EN
GSM_EXC_EN
N_GSM_EXC_EN
RX_LIFE_EN
N_BAND_1
N_BAND_0_G
Front End
Module
WCDMA Tx DCS/PCS Tx EGSM Tx
FL030
WCDMA Tx
Ceramic
Bandpass Filter
1920-1980 MHz
FL460
WCDMA
Tx Isolator
(CW Rotation)
U450
Coupler/
Detector/
TempComp
IC
FL020
DCS/PCS Tx
Notch Filter
U410
Variable
Attenuator
WCDMA
U420
Power
Amplifier
Talon Frequency Bands
Band Tx/Rx Low Mid High
EGSM
EGSM
DCS
DCS
PCS
PCS
WCDMA
WCDMA
Bluetooth
Tx
Rx
Tx
Rx
Tx
Rx
Tx
Rx
Both
880
925
1710
1805
1850
1930
1920
2110
2402
897.5
942.5
1747.5
1842.5
1880
1960
1950
2140
2442.75
WCDMA Rx Diplexing Point
PCS Rx
DCS Rx
EGSM Rx
U810
Dual Coupler
TempComp IC
DET_AOC
FL401
WCDMA Tx RF
Interstage SAW
1920-1980 MHz
FL300
WCDMA Rx
915
960
1785
1880
RF
Interstage SAW
2110-2170 MHz
MAX2388_SHDN
1910
1990
1980
2170
2483.5
Balun/matching
modules
T670
T660
T650
EGSM Tx
DCS/PCS Tx
IF SAW Filter
FL201
MAX2361/63
Quadrature
Transmitter
RX_RF_ATTEN
LNA_IN
LNA/VCO/Mixer
LIFE
380 MHz
U20
0
WCDMA
MAX2388
LNA/Mixer
GSM
U625
TX_REF
U310
WCDMA
2
supply
VCO
Buffer
2
U150
AUX SPI
BUS
MAGIC_SF
BATT+
Offset
IF PLL
Synthesizer
760 MHz
Loop Filter & Tank Circuit
(discrete components)
AUX_SPI_DX
AUX_SPI_CLK
LIFE_CE
U800
GSM Power
Amplifier
AOC_DRIVE
2
2
WB Aux
SPI BUS
FL310
LO Filter
RX_VCO_OUT
RX_VTUNE
LV_EXC_EN
N_BAND_0
DATA
CLK
ENABLE
FL150
Splitter
TX_LO
RX_LO
Loop Filter & Tank Circuit
(discrete components)
Superfilter power
TX_LOW_RF
TX_HI_RF
380 MHz
FL320
WCDMA Rx IF SAW
190 MHz
IFPOS
IFNEG
÷2
MAX2309
WCDMA IF/VCO/Mixer
Motorola Confidential Proprietary
SF_OUT
PROUT
Tri-band GSM
2300-2360 MHz
Phase
÷M
Detector
U330
RX_
RX_Q
Loop Filter
Loop Filter
U700
Tx VCO
2
2
Tx/RX VCO
CP_OUT
I
CP_RX
CP_TX
Y500
26 MHz
Crystal
TX_EN
N_BAND_0
N_BAND_1
GSM_EXC_EN
N_GSM_EXC_EN
Superfilter power supply
U14
0
WCDMA
÷R
2
2
MAGICLV
LOCK
SHUTDOWN
VGC
STBY*
TX_I
TX_Q
Loop Filter
(discrete
components)
REF_15_36
RX_STBY*
MAX2309_SHDN*
WB_RX_I
WB_RX_Q
MAX2309 SPI BUS
WB_ASPI_CLK
WB_SPI_DATA
MAX2309_CS
IF_AGC
MAX2309_LOCK
Charge
Pump
RX_CP
U500
Filters
Complex
Modulator
and
Channel
Selectivity
Filters
Look-Up
FN Seq.
Gen.
Phase
FN Seq.
Charge
Pump
DAC
DAC
A/N
Counter
s
÷R
WCDMA
Backen
Gen.
Table
Gain/
Equal.
I/Q
/N
Phase
Detector
/R /N
Detector
TX Power
Control
RX_SF_OUT
Prescaler
Charge
Pump
÷
d
Group
DCO
DCO
Delay
C
Equal.
Group
Delay
C
Equal.
ADC
ADC
U101
Harmony Lite
WCDMA Baseband
Processor
FL510
RX Data
Interfac
e
TX Data
Interfac
e
13 MHz
DCO
I/Q
Gain/
Equal.
C
FL500
SSI_Rx
I&Q Filter
BCLKR
BDR
BFSR
RX_ACQ
TXCLK_MAGIC
DMCS_MAGIC
SDTX_MAGIC
BFSX
MAGIC SPI BUS
MAGIC_DX
MAGIC_SPI_CLK
MAGIC_SPI_CE
MAGIC_13MHz
AUX SPI
BUS
DEMUX
Referenc Osc
MUX
WB Aux
SPI BUS
TX_DATA(7:0)
TX_FRAME
AFC_DAC
REF_OSC_OUT
Y130
15.36 MHz
BB_CLK_15.36M
RX_DATA(5:0
)
RX_FRAME
BBIF_CLK
POG
LIFE
MAX2361/63
POG
POG Bluetooth
POG
version 1.0
SPI Bus
Harmony
TX
Interface
BBIF_RX_FRM
RX
Interface
WB_TX_RAMP
W-CDMA
RFIC
(Harmony
Lite)
BBIF_RX(5:0)
MAGIC_LV
U1300
Lower
Memory
Memory
VLIO_1_95V
BB_CLK_15.36M
BBIF_CLK
(30.72MHz)
Misc RF
Circuits
U1400
SDRAM
U1310
Upper
R_WE*_LOWER
R_WE*_UPPER
VCCWP
VMEM_1_875V
HARMONY_CS
WB_SPI_CLK
WB_SPI_MOSI
WB_SPI_MISO
WB_RX_ACQ
WB_RX_ON
WB_TX_SLOT
WB_TX_PREKEY
WB_RX_SLOT
BBIF_TX(7:0)
BBIF_TX_FRM
AOC_PWR_UP_DOWN
DET_FLAG
TX
Interface
BFSR
Interface
SPI Bus
BDR
BCLKR
MAGIC_13MHz
WB_TX_KEYM
WB_RX_ACQ
DMCS_MAGIC
RX
MAGIC
ADDR(23:0)
DATA(31:0)
OE*
FLASH_CS*
LBA
*
BCLK
RF_RESET
BFSX
BCLKX
BDX
MAGIC_SPI_DX
MAGIC_SPI_CLK
MAGIC_SPI_CE
CLK_SEL
RX_EN
TX_EN*
EXC_EN*
SDRAM
CTL
Address
Lines
Data
Lines
Enable
Bytes
Chip
Selects
R/W
CE*
Burst
Mode
CKIH1
MQSPI
1
EL1T1
WCSP
GPIO
BBIF
(Serial)
MQSPI2
CKIH2
EL1T2
EBIF
DAT
CTL
RAM
2 kB
ROM
16 kB
Q2IP
RAM
8 kB
ROM
6 kB
SC140
IPCM
DSP
MCore
M341
cache
16 kB
Lamb
Lamb
eDRAM
80 kBytes
ROM
1 kB
RAM
512 kB
DMA2S
RAM
QDMA
GPIO
POG
1
2
MDI
LCDC KPP
SAP
Rx
Tx
Supports
MMC &
SD 1 bit
bus.
MMC
IrDA
CE Bus
FLASH
128 Mbit
FLASH
128 Mbit
Helen
1 Wire
Bus
RTC
uWIREGPIO
MMC
256Mb are needed but only 128Mb parts
are available.
SDRAM
FLASH
I/F
SDRAM
I/F
DMA
API
Bridge
icache
16KB
dcache
8KB
256 Mbit
Bluetooth
US
B
SPI
BCM203
3
Tx
sap
32 kHz
FLASH
4 Mbit
GPS
SiRF
GRF2i
24.5534
TCXO
SiRF
GSP2e
32 kHz
Inter-processor Communications Link (ICL)
dat
UART
3
ctl
GCIF
SDI
Resets
1 Wire
Bus
MMC
SIM 1
SIM 2
GPIO
USB
ASAP for DAI testing only
2 wire UART
Rx,clk, etc
Rx
32 kHz
SIM
dat
UART
1
ctl
UART
2
dat
USB
ctl
ASAP
dat
VSAP
ctl
GQSPI
Clocks &
dat
ctl
RAM
1.5Mb
Tx
Rx
Internal
XCVR
Single
Ended
Converter
Switcher#1Switcher#2Switcher
Secondary
SPI
Primary
SPI
Tx
Serial
interface
(DAI 0)
Serial
interface
(DAI 1)
Contro
l Logic
A/D
Touch
Screen
Level
Shifter
s
(smart card)
VSIM
reg
32 kHz
clock
MMU
icache
12KW
SRAM
HP0
HP2
HP1
US
B
(host)
McBSP2
48kW
DRAM
32kW
(SAP)
USB
(client)
UART
1
txenb, vmout, vpout/txd, xrxd/rts, vpin,
vmin/rxd
ri, cts, dsr, dcd, dtr
V
1
reg
#3
reg
LCD
I/F
reg
V
V
3
reg
V
2
ULPD
OSC
5
V
reg
6
12MH
z
OSC
12
MHz
reg
V
32kHz
V
4
reg
PCAP
Real
Time
Clock
32kHz
OSC
Charger
Control
13 bit
phone
DAC
16 bit
stereo
DAC
right
PGA
left
PGA
Backlight
Control 1
Backlight
B+ B+
PGA
mono
adder
LED
Control 2
Control
7
AU
V
Sensor
X1
ARM92
LEAD3
Camera
IF
Backend
Pixel
Processor
Image
V
8
reg
AU
X2
V
reg
5
UART3
MCSI
2
MCSI
1
UART2
McBSP3
McBSP1
Keypa
I2C
d
8x8
Key
pad
48
MHz
V
V
9
10
reg
#4
Switcher
USB/
RS23
2
USB
USB
On-The-
reg
Go
A5
A3
A2
A1
A4
right
left
Stereo
detect
VIB
AU
X3
V
reg
AU
X4
V
32 kHz
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