Motorola L7 Service Manual

RX MID CHANNELS

850: CH190 -- 881,6

GSM: CH 62 -- 947,4 MHz

EGSM: CH 37 -- 942,4Mhz

DCS: CH 700 -- 1842,8MHz

PCS: CH 661 -- 1960MHz

TX_OUT_HB

TX_OUT_LB

1900 MHZ

1800 MHz

900 MHz

850 MHz

B+

DCS/PCS OUT

9

1

2

5

2

1

2

U50
PA + Antenna Switch

GSM850/

GSM900 OUT

from Neptune

( Frontend Control

and Digital Modulation)

MCLK

J1050

Coax Cable to Keyboard PCB

3

3

16

15

14

(NC)

TXIMSMDI

Power and
Antenna
Control

8

13

(PA Power Control)

RAMP

21

1

RF_SENSE

6

4

7

3

NEPTUNE LTS

(to U200)

( to Atlas )

TX_START

(Transmitt Enable)

(Band select)

TX_EN

CNTRL_2

CNTRL_3

CNTRL_1

(Transmitt Enable)

(Receive Enable)

TX_START

RX_ANT_EN

( Frontend Control
and Digital Modulation)

(Clock )

(Reset )

(Data In /OUT)

MCLK
MS

MDI

RF_SENSE

T9
W10
U9

U6
V8

B10

SPI

L1 Timer

PA Control

U800

DSP Peripherals

accelerator, encryption
Timer, Interupts

DSP

UltraLite
104 MHz

Shared Memory

1Mbit RAM

DSP

Memory

Power

SIM

Interface

H1
A11
E2
V5

VSIM

K2

SIM DIO

K3

SIM RST

J4

SIM CLK

L1

SIM_PD

R1
M1

DATA BUS
ADDRESS BUS

IO_REG
PERIPH_REG
REF_REG
VBUCK

(from Atlas)

(Data In /OUT)

(Reset )

(Clock )

(from Atlas)

VSIM_EN

(VCC + 2.775V)

(VCC + 1,575V)

(VCC + 1,875V)

(to Atlas)

D0-15

(VCC + 2.775V)

(from / to J508)

A1-24

D2

C3

D6 G5

G8

D7E8E7

A2

SAW/ LNA

LNA

Matching

A3

SAW/ LNA

LNA

Matching

A5

SAW/ LNA

LNA

Matching

A6

SAW/ LNA

LNA

Matching

U1051

G1

2

F1

1

Quadrature
Mixer

Quadrature
Generator

Polyphase
Filter

DC
Correct

( VCO Feedback )

( VCO Tuning)

VCO1 (TX_LB)

VCO2 (TX_HB)
TX_EN

IIN

RX/TX

IBIN

Switch

(100KHz)

QBIN

RX/TX

QIN

Switch

U250

GSM/ EDGE

TRANCEIVER

FIN

ADC
13 bit

ADC
13 bit

Loop Filter

Sync
Filter

Sync
Filter

Digital TX
Interface

GMSK
Modulator

Phase Det.

(100KHz)

Devider

CP

Anti
Drop

Anti
Drop

EDGE
Modulator

Anti
Alias

Anti
Alias

EDGE
FIR
Filter

GMSK/ EDGE Select

Pre-Distortion
Filter

DAC1

Chanel
Filter

Chanel
Filter

Anti
Alias

PA Control

B7

GPIO

DAC
12 bit

DAC
12 bit

Reference
Devider

Serial
Interface

C2

E6

LPF

LPF

Oscilator and

ADC
Voltage
Reg.

F8

ENR

F7

CLKR

F6

Clock Generator

Interface

H7

D8
G7

E5
C5
C6

F4
F5

G4

G3

H3

G7..
C1..

FSR
DRI

OSCO
PERIPH_IO_REG
OSCM

1

Y1201

3

26MHz

RF_DATA
RF_CLK
RF_CS

LDTO

( Lock Detect Out)

VCO_REG
PERIPH_IO_REG
RF_REG

(VCC’s from Atlas)

(Clock enable)

2

(NC)

(Clock )

(U250 Control Bus)

Output Mixer

Serial

(Data In /OUT)

(Chip select)

W7
G12

Voi c e B a n d

A13
N10

26 MHz

A4

Oscillator

U8
V7

SPI

W9

UART / USB

Interface

A17

C15

C16

B16

D15

A16

Keypad
Interface

A15

G3....

F3....

W13

MCU

ARM7

52 MHz

MCU

Memory

External

Memory

Interface

Clock Generator

MQSPI
Display

GPIO

On
Off

T11

V12

MQSPI

V11

W12

B14

D18

T10

T12

B

aseBand

Timer

Interface

V13

U13

G8

One

Serial Audio

Wire

Port Interface

Bus

W11

D13

(rx)
A12

U11

E3

W5

B12

UART2

Universal

Asynchron.

(tx)

B13

N13

N17

Rx /Tx

V16

D16

B17

BT

B15

D19

W18
V17

G17
K16

J19
T16
T19
L16
N18

P2
N3
M4
P1
L3...

U10

V6

U12

C18
E1

T15

CE0B
CE_2

(NC)

CS2B
EB1B

EB0B
R WB

OEB
BURSTCLK
LBAB

ECBB

LCD_RS
LCD_CS
LCD_CLK_DATA6
LCD_SDATA_DATA7

LCD DATA (0 - 5)

TOUT12

STANDBY_GATEB
ANT_DETB
RTCK

LT_SNS_CTL

ADC DATA

Light Sensor

K1
G8

D6
F3

FLASH

C2
F5,D5

J2,H1,H8
C6
E5

G7

32 MB Flash

(Bias output for THERM signal)

(from J508)

(to J508 Tri data write)

6

1

Q801

2

U700

F4

E4...

8MB SRam

(to U1301 ATI

(to Clock enable Circuit)

RESET OUT

(from

VBUCK

Atlas

)

OSCM

(clock)

U804

4

2

1

USB_VPIN

USB_XRXD_RTS

USB_VPOUT_TXD

Neptune Atlas

USB/ RS232

Communication

(from/ to J508
and Sidekey’s)

USB_VMIN_RXD

USB_TXENB

USB_VMOUT

CLK 13 MHz

BB_SPI_MISO

BB_SPI_MOSI

AUL_INT

GA_SPI_CS

AUL_CS

GA_INT

TRI_SPI_CS

U806

Level

Shift

4

STANDBY_1_5V

2

BB_SPI_CLK

KBC0-1

KBR0-7

SJC_MOD

Neptune Atlas

(13 MHz)

Neptune ATI

Communication

(framesync)

OWB

One Wire data from Battery

BB_SAP_FS

BB_SAP_CLK

(from/ to Neptune

Serial Audio for Ringtone

and V oice Audio)

BLUE_RX

BB_SAP_RX

BB_SAP_TX

Communication and Wakeup)

BLUE_TX

BLUE_CTSB

BLUE_RTSB

BLUE_CLK_ENB

(from/ to U301 BT, J1300

Neptune - BT - Neptune

BLUE_WAKEB

BLUE_HOST_WAKEB

Revision Overview

Rev. 1.0: Initial Block Diagram

L7

Main PCB

(from Neptune GPIO)

STANDBY_GATEB

SIDE KEYS

Up, Down
VA, PT T

(Watchdog)

GPIO_RESET

RESETB

RESET OUT

CLK 32KHZ

WDOG

STANDBY

Servive, Engineering & Optimization 2005.08.26

LEVEL 3 AL Block Diagram Rev. 1.0

and BT))

(to ATI)

(to U700)

(from Atlas)

(to Atlas)

(from /to Atlas

(to Atlas)

L7

Alexander Buehler, Michael Mauderer Page 1of 3

Main PCB

L7

V30x, V400, V50x, V600

30

25
10

21

16

15

32

(on PCB)

Strip Line

Antenna

BT_ANTENNA

1

Y300

3

PERIPH_REG

BT_REG

Bluetooth

(from/ to U301 BT,

Neptune - BT - Neptune

Communication and Wakeup)

Serial Audio for Ringtone

BLUE_WAKEB

BLUE_HOST_WAKEB

BLUE_CLK_ENB

(from Neptune/ Atlas)

(from Atlas)

(from/ to Neptune

and Voic e Audio)

BLUE_TX

BLUE_RX
BLUE_CTSB
BLUE_RTSB

RESET_B

CLK_32KHZ

BB_SAP_RX
BB_SAP_FS
BB_SAP_CLK
BB_SAP_TX

Bluetooth

5
33
29
31

11
9
13

22
12

(framesync)

(clock)

27

U301

28

(from Atlas)

Neptune Atlas

USB/ RS232

Communication

(from Atlas)

(from Atlas)

(to Atlas)

(from Neptune)

(from Neptune)

(from Atlas)

Neptune Atlas
Communication

GND
MIC_BIAS
GND
ALERT+
ALERT­GND
GND
INT_MIC+
GND
GND
RTCK
GND
TRI_SPI_CS
BB_SPI_CLK
BB_SPI_MOSI
BB_SPI_MISO
GND
PERIPH_REG
LEDKP
VBOOST

Board to Board Connector

J508

1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39

g1- g4

2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40

SIM_REG
GND
SJC_MOD
ANT_DET
GND
SIM_DIO
SIM_RST
SIM_CLK
LED_CONTROL
KBC0
KBC1
KBR0
KBR1
KBR2
KBR3
KBR4
KBR5
KBR6
KBR7
ON1B

GND

(from Atlas)

(from Neptune)
(to Neptune)

(from/to Neptune)

(to Neptune)

(from Neptune)

(from Atlas)

(from Atlas)

(from Atlas)

VBOOST
DISP_LED1
DISP_LED2
DISP_LED3
DISP_LED4
GND
PERIPH_REG
GND
VBUCK
LCDC_OE
LCDC_GS
LCDC_LS
GND
LCDC_DCLK
GND
LCDC_SD
VBUCK
GND
LCDC_CM
ATI_GPIO_C1
GND
GND

(VSync)

(H Sync)

DISPLAY

CONNECTOR

J503

2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40

g2
g4g1g3

(ATI- Neptune
Tri-Flash -Neptune
Communication)

Output Enable
Gate Start
Latch Start
Data Clock
Serial Data
Color Mode
RESET

1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39

GPIO_RESET
BB_SPI_CLK

BB_SPI_MOSI
BB_SPI_MISO
GA_SPI_CS

LCDC_OE
LCDC_GS
LCDC_LS
LCDC_DCLK
LCDC_SD
LCDC_CM

ATI_GPIO_C1

LCDC_RED5
LCDC_RED4
LCDC_RED3
LCDC_RED2
LCDC_RED1
LCDC_RED0
LCDC_GREEN5
LCDC_GREEN4
LCDC_GREEN3
LCDC_GREEN2
LCDC_GREEN1
LCDC_GREEN0
LCDC_BLUE0
LCDC_BLUE1

LCDC_BLUE2
LCDC_BLUE3
LCDC_BLUE4
LCDC_BLUE5
GND
ATI_GPIO_C0
GND
GND

Graphics Accelerator
Camera /Display

U1301

ATI

H16
R14

R16

SPI

R15
P16

R2
T1
R1
P1

Control

F1
E1
F16

J5
N2
H4
K4
M2
J5
M5
M1
L5

RGB Data

K5
L1
L4
M4
N1
N5
P2
N4
P4

F15

ID

(Neptume / ATI
Communication Bus
Tri Flash Write Data)

GA_INT

LCD_CLK

LCD_CS

LCD_RS

E14

P15

P19

K16

SPI

Timer

Power

Image Data

Sync.

Control

SDIO

Interface

LCD_DATA (0 - 5)

LCD_SDATA

K15

B

U19

R6
T6
T7
V6
R7
T8
R8
R9

W8
V8
W9
W6

W7
V7

L2
J2

L16
L14
L17
K17
K16
J17

CLK_32KHZ_2_7V

GA_CORE
2_7V_REG
GPIO_REG

CAM_D0
CAM_D1
CAM_D2
CAM_D3
CAM_D4
CAM_D5
CAM_D6
CAM_D7

CAM_HSYNC
CAM_VSYNC
CA_CLK_OUT
CAM_CLK_IN

CAM_SCL
CAM_SDA

CAM_RESET

U2243

U2242

CAM_PWRDWN

(GRAPH_REG)
(IO_REG)

(VBUCK)

P504

20

5
7
9
10
11
12
13
14

15
16

6
2

1
3
23

22

CAM_REG

CAMERA

CONNECTOR

CAM_REG

J500

5

2
4
3
1

G1-G4

(Shield)

Mini USB

UID

(Shield contacts)

VBUS

ESD

VR500
D526

VR524
VR523

SH10

SH11

(to Charging Circuit)

(to J508)

ESD

FL505

(to J508)

(from Atlas)

(PPD device support)

(Accessory Detection signal)

FL500

ALERT-

ALERT+

SPKRM

SPKRP

MIC_BIAS1
MIC_INM

VBOOST

VBUS

UID

D­D+

V10
U8

T6
R7

P9
T9

B4
D2

H8

F3
E3

BB SAP CLK

BB SAP FS

BB SAP RX

R5

R3

P4

13 Bit

SAP

Alert

Amplifier

Handset

Amplifier

Microphone

Supply

Amplifier

Headset

Amplifier

Stereo

Det.

Headset

Det.

VBUS 5V

Pass FET

B

S

U

U

M

E

Interface

BB SAP TX

K11

VSIM_EN

R4

VSIM

N5

( 1,8/ 3V ) SIM_REG

(tx) (rx)

CODEC

16 BIT

STEREO

RF REG

H3

(to Neptune amd J508)

( 2,775V ) RF_REG

NC

NC

BT REG

K2

(to U250)

(to U301)

( 1,875V ) BT_REG

NC

NC

DET.

STEREO

U900

ATLAS UL

REG

IO REG

REF REG

CAMERA

K17

H4

L16

(to Atlas, Neptune, ATI)

(to Neptune)

(to P504)

( 2,775 ) IO_REG

( 2,775 ) CAM_REG

( 1,575V ) REF_REG

USB_VPIN

USB_XRXD RTS

USB_VPOUT TXD

USB_VMIN RXD

C4

F4

B2

B1

USB/RS232

Neptune PCap

(communication)

REG

REG

AUDIO

GRAPH

U6

M18

(only used in Atlas)

(to ATI)

( 2,775V ) AUD_ REG

( 1,275 ) GRAPH_REG

USB_TXENB

B3

PERIPH

USB_VMOUT

E4

IO REG

H2

J508)

(Atlas internal and

( 2,775V ) PERIPH_REG

BB-SPI_CLK

T17

PRI SPI

CNTL.

LOGIC

Neptune PCap

Communication

Logic

Switcher

Buck 350mA

F16

U700,ATI, )

( Atlas, Neptune,

( 1,875V ) VBUCK

BB_SPI_MOSI

T18

(to J508 Power Key)

AUL_INT

BB_SPI_MISO

AUL CS

U18

U16

Switcher

C913

N14

Boost 300mA

G16

ON

LOGIC

Motor

to Vibrator

P2

ON1B

F14

VIB REG

T14
C15
P13

AD

D14
U14

CONV.

F13

D/A

E15

B16

CHARGE

CONTR.

B12
B14

C6

LED

B6

CNTL.

D6

F6
B8
C5

D12
V17

V16
F12

B+ Sense

VCO

REG

V2

F3,E13........

TIMER

R16
P16

V12
K10
U15

E12

RTC_BATT

Y900

WDOG
TX_START

RESETB

(toNeptune)

SIM_PD
CHRGRAW

(VBUS)

THERM

(Battery Sense)

BATT+

(Batt Current)

BATTISNS

(Charge Current - )

BATTISNS
CHRGISNSP

CHRGCTRL

BATTFET
BPFET

DISP_LED1
DISP_LED2
DISP_LED3
DISP_LED4
LED_CONTROL
LEDKP

STANDBY

CLK_32KHZ
CLK_32KHZ_2_7V

CLK 13 MHZ

(Charger Current + )

(Current Control)

(to J503)

(from U806)

(to Neptune and U301 BT)

(from Neptune)

(from Neptune)

(from Neptune, Tx Mode indication for Atlas)

(from/ to Neptune and U700)

(to J1300)

BATTERY
CHARGER

(from Acesory Connector)

(EXT Power)

VBUS

(VBUS Sense)

S

M1

G

D

S

G

M2

Charger and Power­source Control

(to J5ß8)

J506
RTC

(One Wire Bus

THERM

to Neptune)

OWB

R910

BATT CONN.

3

(Bias)

IO REG

R911

D

G

S

Battery to BPLUS

Switch

M1400

2

4

VR1201 / ESD

M3

D

S

D902

1

GND

TOUT12

Color definition only for this section !

Main Charge Path

B+ support without Ext Charger
B+ support with Ext Charger

(Main Source

B+

for Atlas)

M4

G

VBUS to BP

Switch

(from Acesory Connector)

VBUS

(Bias Voltage from
Neptune)

(EXT Power)

Q901

C936

VIB_REG

( 1,3V )

VCO_REG_CNTL

(to Atlas and J508)

( 5,5V ) VBOOST

B+

VCO_REG

( 2,775V )

(to U250)

(Main Source- from M3)

VIB

Servive, Engineering & Optimization 2005.08.26

LEVEL 3 AL Block Diagram Rev. 1.0

L7

Alexander Buehler, Michael Mauderer Page 2of 3