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Motorola L2 Service Manual

Motorola L2
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GSM SERVICE SUPPORT GROUP 2005.09.12
LEVEL 3 AL Block Diagram Rev. 1.1
L2_L6
Michael Mauderer, Alexander Buehler Page 1of 2
AOC_DRIVE
Antenna
Switch
FL100
Quard Saw Filter
4
3
25
RX CP
TX CP
D5
47
Synth F/B
SYNTH FD P
SYNTH FB N
TX_OUT_HB
TX_OUT_LB
38
39
41
42
44
CM IN
26
C9
BB I
BB IX
BB Q
BB QX
A8
B8
A9
B9
27
28
29
30
B6
LP Filter
Tracking
Control
Tracking Osc.
AG_REG
RX
Charge
TX
CP
C4
D9
7, 8, 10, 11, 15, 18, 21, 37, 43, 48
PERIPH_REG
RF_CS
RF_DATA
RF_CLK
3
W9, U8, V7
GMSK Mod &
Mod DAC
(TX)
PA Con trol
(PAC)
Y805
3
1
A4
Power Detector
PACII IC
VCC
2
6
4
17
LOWB_HIGH
T6
TX_EN
U6
8,16
Switch
Control
Circuit
W7
N9
RF 5V REG
EXC_EN
EUROB_US
PA_ RE F
PA_ DE T
D12
B10
PA_ REF
PA_ DET
LOWB HIGH
TX_EN
EXC_EN
EUROB_US
Digital Channal
Filters
26 MHz
Timer
19
18
14
15
13
Matching and
Combiner Network
LP
LP
Low Band
High Band
3
3
DMA
1Mbit RAM
PMA
AAF
2
2
1
1
Pump
Super Filter
Generator
2,45V
5
4
D4
A6
720 - 915 MHz
1710 - 1785 MHz
880 - 915 MHz
Synthesizer
Prescaler
Phase
Detect
Dual ADC
DSP
DSP
UltraLite
104 MHz
DSP Peripherals
accelerator, encryption
Timer, Interupts
Shared Memory
MCU
52 MHz
ARM7
MCU
26 MHz
Oscillator
B4
Memory
Memory
SIM
Interface
SIM DIO
SIM RST
SIM CLK
J4
L1
K3
SIM PD
R1
MQSPI
Display
GPIO
M1
VSIM_EN
External
Interface
Memory
U13
(decoupling analog GND)
HP-Filter
D8
TX
Loop
Filter
Clock Generator
L1 Timer
NEPTUNE LTS
ALGAE
U150
U800
XTAL
EXTAL
Interface
UART / USB
Interface
TRK CLK
B5
35
( 26MHz for Digital IF Filter syncronisation)
EXC EN
EXC_EN
(Post Mixer Amplifier)
BB
Out
BB
Out
IF Amp.
2 Pole Filter
L & H
Band
L2_L6
Low Band 850 MHz
EGSM: CH 37 -- 942,4Mhz
DCS: CH 700 -- 1842,8MHz
PCS: CH 661 -- 1960MHz
RX MID CHANNELS
GSM: CH 62 -- 947,4 MHz
850: CH190 -- 881,6
EGSM: 880 - 915MHz
DCS: 1710 - 1785MHz
TX VCO FRQ. RANGE
850: 824 - 850Mhz
PCS: 1850 - 1910MHz
EGSM: CH 37 - 897,4Mhz
DCS: CH 700 - 1747,8MHz
TX VCO MID CHANNELS
GSM: CH 62 - 902,4MHz
PCS: CH 661 - 1880 MHz
850: CH 190 - 836,6
GSM : 890 - 915 MHz
Direct
Memory
Access
Controller
Analog / Digital
Converter
SPI
32
33
34
31
36
2
4
TX VCO
3.4 - 3.7 GHz
100kHz
100kHz
N
and LO
Digital
If Mixer
BaseBand
Port Interface
Serial Audio
BB SAP TX
BB SAP RX
BB SAP FS
BB SAP CLK
B13
B12
A12
D13
(framesync)
(clock)
(tx)
(rx)
TX_MOD
A10
CLK 13 MHz
W13
C15
C16
D15
A16
Keypad
Interface
BB SPI CLK
BB SPI MOSI
BB SPI MISO
AL CS
Neptune - Atlas
Communication
MQSPI
T11
V12
V11
W12
STANDBY
G8
CLK 32KHZ
E3
B14
AL_INT
RESETB
V13
(13 MHz)
(Watchdog to Atlas)
WDOG
(VCC from Atlas)
AG_REG
(VCC)
V6
RX_EN
OWB
W11
One Wire Bus from Battery
U10
A15
PC13
RX
Loop
Filter
POWER
SPI
VBUCK
IO REG
AGC
RF Det.
AGC
RF Det.
RX VCO
3.6 - 3.9 GHz
n
LNA
LNA
LNA
LNA
23
27
29
Low Band
850MHz
Low Band
900MHz
High Band
1800MHz
High Band
1900MHz
21
6
1
and Matching
Low Band 900 MHz
High Band 1800 MHz
14
15
12
13
8
9
10
11
High Band 1900 MHz
19
20
22
23
16
17
13
14
EAGLE
U50
CMOS
PA Bia s
Circuit
33
32
10
34
11
12
B+
B+
(to Algae)
(VCC)
U700
EB1B
EB0B
OEB
R_WB
CS1B
ADDRESS BUS
DATA BUS
K16
J19
G17
T16
BURSTCLK
LBAB
ECBB
V17
T19
L16
N18
A1-24
D0-15
RESET OUT
F3
C2
D6
E5
D5
J2,H1,H8
G7
C6
F4
(from Atlas - BATT DETB)
E2
USB VPIN
USB_XRXD
USB_VPOUT
USB_VMIN
USB_TXENB
USB_VMOUT
B16
A17
RF REG
K2
SIM_REG
A3
M17
Neptune Atlas
USB/ RS232
Communication
(from/to Atlas)
RESET OUT
W5
One
Bus
Wire
RX EN
9
(from/ to Neptune
Serial Audio for Ringtone
and Voice Audio)
RXD2
TXD2
RTS2
CTS2
UART2
N17
N13
V16
D16
Universal
Asynchron.
Rx /Tx
(from/ to U301 BT,
Neptune - BT - Neptune
Communication and Wakeup)
BT
BLUE_WAKEB
BLUE_HOST_WAKEB
D19
B15
KBR0-7
KBC0-1
F3....
G3....
P2
LCD_RS
M4
LCD_CLK_DATA(6)
N3
LCD_CS
L3...
LCD_DATA (0 - 5)
ADC_DATA
E1
(from Neptune)
FLASH
VBUCK
L4,K6...
BLUE_CLK_ENB
B17
PE14
Neptune ATI
(to Battery
Charger Circuit)
GA_INT
T10
GA_CS
D18
ANT_DETB
U12
(from/ to BB )
J887
19
20
21
22
16
17
18
10
11
G1 - G4
9
8
7
6
5
4
3
2
14
15
13
DISP_LED1
DISP_LED2
DISP_LED3
LCDC_DATA(0)
LCDC_DATA(1)
LCDC_DATA(2)
LCDC_DATA(3)
LCDC_DATA(4)
LCDC_DATA(5)
LCDC_DATA(6)
LCDC_DATA(7)
LCDC_RS
LCDC_CS
LCDC_Reset
DISPLAY
CONNECTOR
K5
L5
M1
M5
M4
N1
N5
P2
R1
T1
N4
LCD_CLK_DATA(6)
LCD_CS
LCD_DATA (0 - 5)
LCD_RS
(Neptume / ATI
Communication Bus
P1
LCD_SDATA_DATA(7)
LCD_SDATA_DATA(7)
BH19..
K15
P15
P19
K16
BB_SPI_CLK
BB_SPI_MOSI
BB_SPI_MISO
GA_CS
(ATI- Neptune
Communication)
Camera /Display
Graphics Accelerator
Tri-Flash Support
ATI
U1301
R16
R15
P16
R14
J1401
GND
CONNECTOR
3
21
2
5
7
6
8
10
9
16
17
19
12
11
14
13
18
1
15
4
24
22
20
CAM_PWRDWN
CAM_SCL
CAM_PCLK
GND
CAM_D0
CAM_D1
CAM_D2
CAM_D3
CAM_HSYNC
GND
CAM_REG
CAM_REG
CAM_RESET
CAM_VSYNC
CAM_CAMCLK
GND
CAM_D7
CAM_D6
CAM_D5
CAM_D4
CAM_REG
J2
W9
R6
T6
T7
V6
W8
L2
V8
W6
R9
R8
T8
R7
H16
IO_REG
GRAPH_REG
H11,....
F7, F8, ...
U19
CLK_32KHZ_2_7V
Image Data (JPEG)
ATI Control Data
RGB Data
Image Data
Sync.
W7
CAM_SDA
V7
Control
Control
SPI
Power
Timer
SPI
C18
LT_ S NS _C T L
Revision Overview
Rev. 1.0: Initial Block Diagram
Rev. 1.1: updated Charger logic levels
R71
R72
2
1
2
1
Matching
Internal
Antenna
M3
J2
Coax Cable
ANT_DETB
(to Neptune)
J1
on Keyboard
J1
on Mainboard
Mech.
Antenna
Switch
CS0B
W19
K1
PERIPH_REG
C4
REF_REG
VM_REG
W6
THERM_BIAS
(from / to
Keypad Matrix
via Keypad
Connector)
23
GND
CAMERA
(from Atlas)
GA_INT
E14
(to Atlas)
VBOOST
PERIPH_REG
PERIPH_REG
PERIPH_REG
(from Atlas)
GND
GND
GND
(RESET)
PE14
T8
PTT/ Camera
KBR2
Switch
1
2
(from/ to Keyboard via
Keyboard Connector)
(from/ to Keyboard via
Keyboard Connector)
S1401
LOBATI
(Low Battery indication
F4
from Atlas)
(Power Control)
(Low Band /High Band selection)
(Transmit Enable)
(Euro / US Band selction)
(RX /TX selection)
(PA referenceVoltage to Neptune)
(PAPower Level indication)
(from Neptune)
(Reset)
(Chip Select )
(from Atlas)
(from Atlas)
(from Atlas)
(from Atlas)
(Data in /out)
(Reset)
(Clock)
(to Atlas - SIMRegaulator Enable)
(Reset for U700)
(from Atlas)
(to Atlas - Deep Sleep Indication)
(Neptune- Algae
Communicatio n)
Camera
only
for L6

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Motorola L2 Specifications

General IconGeneral
BrandMotorola
ModelL2
CategoryCell Phone
LanguageEnglish

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