Samsung SGH-i700 Series User manual

GSM TELEPHONE

SGH-i700

GSM TELEPHONE CONTENTS

1. Specification

2. Flow Chart of Troubleshooting

3. Exploded Views and Parts List

4. Electrical Parts List

5. Block Diagrams

6. PCB Diagrams

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1. SGH-i700 Specification

This Document can not be used without Samsung's authorization

1-1

1.1 PDA specification

Parts Name Description Note

CPU

PXA255

Core : Intel(r) Xscale(TM)

Core Frequencies : 100 ~ 400 MHz

Clock : 3.6864 MHz, 32,768 KHz

Memory ROM RD48F3300L0ZDQ0, Flash Memory, 16M * 32 Bit

RAM K4M513233, SDRAM, 4 Bank, 16M * 32 Bit

LCD Resolution : 240 * 320

Auido CODEC WM9705, 18-bit stereo audio, 4-wire touch screen

Melody YMU762, 40 poly

SD Card SPI Mode

Camera 1/4" VGA CMOS Color Image Sensor, 640 * 480 Pixels,

SPI Mode

JTAG IEEE 1149.1 Portocol support, Flash Programming Control

Ethernet Flash Programming Control

UART RS-232C

IrDA STUART;s transmit and receive

Battery Main Standard/Extend Capacitance : 1050/2000mA

Backup Capacitance : 30mA

Speaker Impedance : 8 Ω,Size:Φ20 m m * 4.6t

Receiver Impedance : 32 Ω,Size:Φ12 m m * 3.2t

Motor RPM 7000 ~12000, Size : Φ14 m m * 3.4t

Key Matrix 4*4

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SGH-I700 Specification

1-2

This Document can not be used without Samsung's authorization

1.2 Phone Specification

Parts Name Description Note

CPU

Trident EF version

Core : DSP16000/ARM7IDM

DSP Core : RAM(20k * 16), ROM(144K * 16)

ARM CORE : RAM(4K * 32), ROM(2K * 32)

Clock : 13 MHz, 32,768 KHz

Memory

LRS1826A

ROM:4M*16Bit*2

RAM : 2M * 16 Bit

PMIC

Single-cellLi-lonCharger,SIU,LEDDriver

Power-On/Off and reset control logic

8-bit ADC, Seven programmable low-drop-out regulators

1.8/3.0V SIM power supply and logic level translators

CODEC

Supports GSM 2+ new feature : multislotting( GPRS and HSCSD)

ADC and DAC function for baseband and voice band

DAI(digital audio interface)

32.768 clock on-chip oscillator

GMSK modulator(88/144 bits)

RF Transceiver

Low-IF Receiver, Universal Baseband Interface

Offset-PLL Transmitter

Dual RF Synthesizer, GPRS Class 12 Compliant

Serial Interface

Dual and Triple-Band

Support(GSM850/E-GSM900/DCS1800/PCS1900)

PAM

Complete Power Control Solution

Single 2.9V to 5.5V Supply Voltage

GSM, E-GSM and DCS/PCS

Products/GPRS Class 12 Compatible

+35dBm GSM Output Power at 3.5V/ +33dBm DCS/PCS Output

Power at 3.5V

Diplexer

GSM : 897.50 ±17.5 MHz

DCS : 1747.50 ±37.5 MHz

GSM : 1880.00 ±30.0 MHz

JTAG IEEE 1149.1 Protocol Support, Flash Programming Control

UART RS-232C

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2. SGH-i700 Flow Chart of Troubleshooting

2-1

This Document can not be used without Samsung's authorization

1.Power On

Check the pin

4ofU308ismorethan

3.3V

Check to the path from pin 1 of

CN301 to pin 1, 2 of U307

Check the pin

5ofU311ismorethan

1.0V

Check the pin 1 of U311 is High

Checktheclocksignal

at OSC101 and OSC102 Retry Hardware Reset

Check the initial operation

END

Yes

Check the current

consumption more than

20mA

'POWER ON' does not work

Check the pin 1 of

U316 or U317 is High

Press nPower Key or Hardware

Reset

Charge the Battery

Yes

Charge the Battery

Yes

Check the VBat more

than 3.6V

Yes

Check the pin 1 of

U323 is High

No Charge the Battery

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SGH-I700 Flow Chart of Troubleshooting

2-2

This Document can not be used without Samsung's authorization

CORE13

510

R357

10V

10U

C336

U307

ON/

OFF

R1,

C16

C1-

R354

100K

VCC_CPU

R335

100K

C330

33U

C355

1NF

R334

OUT

R332

22K

3FLG

U308

10uH

L305

C345

R333

220K

MODE

3VFBVI

VBAT

20PF

GND

PLLLPF

1RUN

U311

VCC_CPU

C331

100N

C329

1UF

16V

R348390K

GND

1OU

2VD

R349

470K

GND

1OUT

2VDD

U316

U323

BAT33

U317

R304

VBAT

220PF

C341

510K

1NF

VBAT

C322

VCC

1NF

C353

U315

100K

R302

R351

100K

100N

C346

R356

100K

C339

10U

10V

C340

33U

510K

R353

VBAT

n32VDET

n34VDET

PWR_EN

nPOWER_FAI

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SGH-I700 Flow Chart of Troubleshooting

2-3

This Document can not be used without Samsung's authorization

2. Initial part

Check the "nRESET_IN"

signal at the pin 2 of

U109 is "High"

Initial Failure

Check the U110

END

Yes

Check the

"nGPIO_RESET" at the

pin 1 of Q101 is "High"

Yes

Check the R125

Check the

"SOFTWARE_RESET" at

the in 1 of Q101 is

"High"

Download again

Yes

Check the connections and initialization

using Factory Test Program

Yes

Check LCD connector CN503,

and resolder bridge

Yes

SW101

Q105-

Q101

R125

100K

RESET

3VC

VCC_CPU

C172

100N

U109

VCC_CPU

Q102

VCC4

TC7S32FU

U110

VCC_CPU

C143

100N

C141

nRESET_I

nPOWER

nGPI

O_RESET

n32VDET

nGPI

O_RESET

SOFTWARE_RESET

100NF

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SGH-I700 Flow Chart of Troubleshooting

2-4

This Document can not be used without Samsung's authorization

3. Charge Part

Check the pin 16 of

CN605 ≒ 4.2V

Abnormal charging part

Check the pin 1 of

CN301 ≒ 4.2V

Replace TC

Check to the path from CN605 to

pin 1 of CN301

Charging

END

Yes

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SGH-I700 Flow Chart of Troubleshooting

2-5

This Document can not be used without Samsung's authorization

4. SIM Part

Check the pin 1 of

CN701. voltage is 2.8V

Phone can't access SIM card

Check the SIM

connector's CN701

Connection to SIM card

Check the circuit related to CN701

Resolder CN701

Check the circuit around U701

(Serial EEPROM) and data stored in it

END

Yes

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SGH-I700 Flow Chart of Troubleshooting

2-6

This Document can not be used without Samsung's authorization

VPAC

V C C _1.8A

SIM

SIMCLK

SIMRST

RST

C 719

470NF

AGND

VBAT

SIM_CLK

SIM_RST

C 704

100NF

SIM D ATA

VREF

2.2U F 100NF

33PF

C 706

R 701

VBAT

R 703

C 718

1UF

470NF

C711

910

VCCA

VCCD

R705

C 724

1UF

C 712

2.2UF

R 719

1.2K

10NF

C 716

VO SC

C715

100P F1UF

C 717

1UF

VRTC

R712

VBAT

C 725

VCCB

C 701

R 708

C 702

33PF

C 703

U 701

VREF

VRTC

VSI

POW ER

C N 701

3 4

C 720

470N F

BATT_BACKUP+

33PF

C 705

VRF

V L5S _B

V LD O _1

V LD O _2

V LD O _3

V LD O _4

V LD O _5

V LD O _6

V LD O _7

VDD34

VDD5

VDD67

VEXT

B_DRV

V L4S _A

V L4S _B

V L5S _A

M_CLK

M_I

M_RS

UP_CLK

UP_IO

UP_RST

VACC

VBAT

VDD12

RESETN

NG_DR

55 RING _PW M

RTC_ALMN

17 SCLK

15 SDI

SDO

GNDD1

GNDQ

INTRQ

LED1_DRV

LED2_DRV

20 PSW 1_BUF

PW R_KEEP

46 PW R_SW 1N

PW R_SW 2

59 GND

GND

62GND

GND

64GND

65GND

GND

GNDD

E N _5

E N _5A

E N _5B

57 GND

67GND

GND

44 ADC_AUX1

ADC_AUX2

ADC_TRIG

43 BTEMP

CREF

CSN

E N _3

E N _4[0]

E N _4[1]

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SGH-I700 Flow Chart of Troubleshooting

2-7

This Document can not be used without Samsung's authorization

5. Microphone Phone

Yes

MicropHone does not work

check the connection

from CN604 Change Main Key F-PCB

Audio loopback is

enabled by board test

program.

R449, R451 ≒ 2.2 V

Resolder R449, R451, R406, R450

Check the pin 22,23 of

U403 != Sine Wave

Hardware Reset or Resodering or

Download Image

END

Yes

EAR-MIC PART

GND

SPK GN D

NC when PIN1 BE LOW

1uH

L402

L401 1uH

AGND

E AR 401

180PF

C 460

C 459

AUDIO 33

AG ND

V+

100N F

AG ND

U 408

COM

GND

AGND

R 428

6.3V

AGND

680

AUDIO33

C 426

33U F

AGND

R 406

AGNDAG ND

ZD411

ZD410

AGND

NCR 431

C 483

C 482

220NF

1NF

ZD408

ZD405

ZD406

AUDIO 33

R 456

100K

ZD404

AGND AGND

R 402

AG ND

R 403 N C

0R 455

ZD409

10U FC 421

10U FC 422

L40382nH

C 467

R 405

ZD402

C476

C 466

C 469

C477

ZD403

820PF

R 451

C475

BAT33 BAT33

4.7K ,1 %

R 453

20K

R 452

2 3

10K

R 454

AUDIO33

Q 401

33UF

C 470

680

R 450 R 449

C465

1UF

4.3K,1%

MIC-

NC_GND

nRCV_EN

NC_GND

EAR_M ICP

HPOUTL

HPOUTR

JA C K _S

SEND_END

MICP MIC+

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