Samsung SGH-i700 Service 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

1. SGH-i700 Specification

1.1 PDA specification

Parts Name

PXA255 Core : Intel(r) Xscale(TM)

CPU

Core Frequencies : 100 ~ 400 MHz Clock : 3.6864 MHz, 32,768 KHz

ROM RD48F3300L0ZDQ0, Flash Memory, 16M * 32 Bit

Memory

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

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

Camera

SPI Mode JTAG IEEE 1149.1 Portocol support, Flash Programming Control Ethernet Flash Programming Control

UART RS-232C IrDA STUART;s transmit and receive

Main Standard/Extend Capacitance : 1050/2000mA

Battery

Backup Capacitance : 30mA Speaker Impedance : 8Ω,Size:Φ Receiver Impedance : 32Ω,Size:Φ

Motor RPM 7000 ~12000, Size : Φ Key Matrix 4*4

Description Note

20 m m * 4.6t

12 m m * 3.2t

14 m m * 3.4t

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SGH-I700 Specification

1.2 Phone Specification

Parts Name

Description Note

Trident EF version

Core : DSP16000/ARM7IDM

CPU

DSP Core : RAM(20k * 16), ROM(144K * 16) ARM CORE : RAM(4K * 32), ROM(2K * 32)

Clock : 13 MHz, 32,768 KHz LRS1826A

Memory

ROM:4M*16Bit*2

RAM : 2M * 16 Bit Single-cellLi-lonCharger,SIU,LEDDriver Power-On/Off and reset control logic

PMIC

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

1.8/3.0V SIM power supply and logic level translators Supports GSM 2+ new feature : multislotting( GPRS and HSCSD)

ADC and DAC function for baseband and voice band

CODEC

DAI(digital audio interface)

32.768 clock on-chip oscillator

GMSK modulator(88/144 bits) Low-IF Receiver, Universal Baseband Interface Offset-PLL Transmitter

RF Transceiver

Dual RF Synthesizer, GPRS Class 12 Compliant Serial Interface Dual and Triple-Band

Support(GSM850/E-GSM900/DCS1800/PCS1900) Complete Power Control Solution Single 2.9V to 5.5V Supply Voltage

PAM

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 GSM : 897.50 ± 17.5 MHz

Diplexer

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

1.Power On

'POWER ON' does not work

Yes

Check the current

consumption more than

20mA

Yes

Check the pin 1 of

U316 or U317 is High

Yes

Check the pin 1 of

U323 is High

Yes

Check the VBat more

than 3.6V

Yes

Check the pin

4ofU308ismorethan

3.3V

Yes

No

Press nPower Key o r Har dware

Reset

Charge the Battery

Check to the path from pin 1 of

CN301 to pin 1, 2 of U307

Check the pin

5ofU311ismorethan

1.0V

Yes

Checktheclocksignal

at OSC101 and OSC102

Yes

Check the initial operation

END

No

Check the pin 1 of U311 is High

Retry Hardware Reset

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SGH-I700 Flow Chart of Troubleshooting

T E D V 2 3 n

7

K

5

0

3

1

R

5

4

3

C

6

K

5

0

3

0 1

R

T A B V

L

I A F _ R E

W O P n

8 0 3 U

4 3 3 R

3

K

3

0

3

2 2

R

6

1 C

7

,

0

1

3

R

U

2 R

1

2 3

K

3

2 2

R

T A B V

D

N

7

G

1 3 U

T

D

U

D

O

V

2

1

5

F

5 3

N

C

1

8

D N

G

N E

1

C N

5

F F O

/ N O

1

1 C

. V

2

7

6

5

D

N

G

T

G

U

L

N

O

F

I

2

4

3

5

K

3

0

3

0 1

R

U P C _ C C V

4

1 R

, N

I V

2

1 C

. V

3

L

I A F _ R E

W O P n

9

F

2

V

3

6

U

1

C

F

1

N

3

0

3

0 1

C

0

F

V

3

U

3

.

3

C

6

3

T E D V 4 3 n

4

K

0

3

1

R

5

3

4

C

2

K

0

3

0 1

R

T A B V

D

N

3 2

G

3 U

T

D

U

D V

O

2

1

2

F

2 3

N 1

C

L

I A F _ R E

W O P n

4

0

F

V

4

U

3

.

3 1 E R O C

6

F

3

V

U

3

0

C

1

U P C _ C C V

7

8

6

F

E

P

D

L

O

L L

M

1

/

P

1

S

3 U

N

H

U

T

R

I

1

2

3

6

3

C

9

F

3

V

U

3

0

1

C

H u 0 1

5 0 3 L

5

N

W

I

S

V

D

B

N

F V

G

4

F

K 0

P

9

0

3

2

8

5

4

3

R

C

9

K

4

0

3

7 4

R

F

1 4

P

3

0 2

C

2

F

6

N

4

0

3

0 1

C

3 3 T A B

C

5

C

5

V

1 3 U

1

K

5

0

3

0 1

R

T A B V

K

5

0

3

0 1

R

4

Y

D N G

B

A

2

3

K

5

0

3

1 5

R

3

4

C

D

N

N G

6 1 3 U

T

D

U

D V

O

1

2

3 5

F

3

N

C

1

N E _ R W P

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2. Initial part

SGH-I700 Flow Chart of Troubleshooting

Initial Failure

Yes

Check the "nRESET_IN"

signal at the pin 2 of

U109 is "High"

Yes

Check the

"nGPIO_RESET" at the

pin 1 of Q101 is "High"

Yes

Check the

"SOFTWARE_RESET" at

the in 1 of Q101 is

"High"

Yes

Check the connections and initialization

using Factory Test Program

Yes

No

Check the U110

Check the R125

Download again

Check LCD connector CN503,

and resolder bridge

T E S E R _ O

I P G n

3 D

5

K

2

0

1

U

0 1

R

P C _ C C V

Yes

END

T E D V 2 3 n

1

5

G

2

5 0 1 Q

F

2

N

7

0

1

0 1

C

0 1

W S

4 S

2

4

1

3

1

1 0 1 Q

2

T E S E R _ E R A

W T F O S

U P C _ C C V

2-3

N I _

T E S E R n

2 0 1 Q

S

D

2

T E S E R

1

D

9

N

0

G

1 U

C C V

3

U P C _ C C V

F

1

N

4

0

1

0

C

1

3

1

G

F

3

N

4

0

1

0

C

1

4

Y

C

5

D

3

C

N

0

V 1 1

U

G

U

B

F

A

2

1

3 S 7 C T

T

R

E

S

W

E

O

R

P

_

n O I

P G n

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SGH-I700 Flow Chart of Troubleshooting

3. Charge Part

Abnormal charging part

Yes

Check the pin 16 of

CN605 ≒ 4.2V

Yes

Check the pin 1 of

CN301 ≒ 4.2V

Yes

Charging

Yes

END

No

Replace TC

Check to the path from CN605 to

pin 1 of CN301

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4. SIM Part

SGH-I700 Flow Chart of Troubleshooting

Phone can't access SIM card

Yes

Check the pin 1 of

CN701. voltage is 2.8V

?

Yes

Check the SIM

connector's CN701

Connection to SIM card

Yes

Check the circuit around U701

(Serial EEPROM) and d ata st ored in it

Yes

END

No

Check the circuit related to CN701

No

Resolder CN701

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SGH-I700 Flow Chart of Troubleshooting

C 703

2.2U F 100N F

C 70 2

SIMRS T SIMCLK

SIMDATA

C 70 6 33P F

SIM_RST SIM_CLK

C 70 5 33P F

VBAT

1

2

3

G

54

UP_RST

53

UP_CLK

52

UP_IO

44

ADC_AUX1

45

ADC_AUX2

56

ADC_TRIG

3

VACC

2

VBAT

1

VEXT

43

BTEMP

46

PW R_SW 1N

47

PW R_SW 2

13

RTC_ALM N

21

PW R_KEEP

20

PSW 1_BUF

14

INTRQ

15

SDI

16

SDO

17

SCLK

18

CSN

22

EN _3

23

EN _4[0]

24

EN _4[1]

25

EN _5

26

EN _5A

27

EN _5B

55

RING_PW M

57

GND

58

GND

59

GND

60

GND D

CN 701

G G

9 10

D N G

2

1

6

6 5

4

G

8

7

49

D

N

G

3 6

6

5 4

51

50

K

S

T

L

R

C

_

M

I

S

D N G

5

4 6

C 70 1 33P F

29

30

48

F

F O I

E

I

M

_

R

S

M

V

C

I S

U 701

V

R

V

D

R

_

D

1

2 G

_

D

D N

B

I

E

V

R

L

78

4

28

SIM_IO

C 704

100N F

Q D N G

5 6

6

1 D D N G

D N G

6 6

R 708

VLD O _7

VDD67

VLD O _6

VL5S _A VL5S _B

VLD O _5

VL4S _A

VL4S _B

VLD O _4

VDD34

VLD O _3

VLD O _2

RESETN

VLD O _1

VDD12

D

N

G

7 6

0

VDD 5

VRTC

8 6

VCCA

VCCB

VREF

VBAT

VOSC

40

41

42

32

31

33

34

36 35

37

38

39

12

11

19

9

10

D N G

VBAT

C 724

1U F

C 712

2.2U F

VC C _1.8A

C 719

470N F

AGN D

R 701

0

C 717

VCCD

R712

0

C 720

470N F

R705

0

C 71 8

1U F

VRT C

BATT_BACKUP+

R 719

1.2K

C715

100PF 1U F

VRF

C 725

1U F

VPAC

C71 1

470N F

C 716 10N F

R 703

10

RST

POW E R

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5. Microphone Phone

MicropHone does not work

SGH-I700 Flow Chart of Troubleshooting

Yes

check the connection

from CN604

Yes

Audio loopback is

enabled by board test

program.

R449, R451 ≒ 2.2 V

Yes

Check the pin 22,23 of

U403 != Sine Wave

Yes

END

AUDIO3 3

R40 6

68 0

C42 6 33UF

6.3V

4.7K,1 %

AGND

EAR_MICP

BAT33 BAT33

R45 2 20K

Q401

3

2

R45 4 10K

1

R453 1K

AGND

C482 220N F

C483

1

1N F

1 4 D Z

AGND

SEND_EN D

R451

nRCV_EN

No

Change Main Key F-PCB

Resolder R449, R451, R406, R450

Hardware Reset or Resodering or

Download Image

C465

L402

1U F

AUDIO3 3

R450

680

C470

33U F

AGND AGND

6

8

0

4

D

Z

MICP MIC+

C469 NC

HPOUTR

JAC K_S

HPOUTL

F N 1

2

6

0

7

4

D

C

Z

AGND AG N D

AUDIO 33

EAR-MIC PART

C459

100NF

AGN D

NC when PIN1 BE LO W

U408

1

IN

2

CO M

V+

3

GND

NO

NC

6

5

4

1u H

C466

C46 7 NC

AGND AGND

L401 1u H

10UF C422

F N 1

3

7

0

7

4

D

C

Z

NC_GN D

NC_GND

R449

4.3K,1 %

R428 0

AGND

10UF C421

F P 0 2 8

5

9

7

0

4

C

D Z

AGND

SPK GN D

NC

MIC-

C460 180PF

AUDIO33

R45 6 100K

7 5

6 4

3 2

5

4

0

4

D

Z

R402

R403 N C

R405

AGN D

1

NC R43 1

0

0 R45 5

D N G

H n

C

2 8

I M

0

3

1

0

4

4 L

D Z

AGND

EAR 401

AGN D

AGND

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SGH-I700 Flow Chart of Troubleshooting

6. Speaker Part

Speakerdoesnotwork

Yes

CN602 pin 7,8 != sine wave ?

Yes

Check the pin 1 of

U405 is "H" ?

Yes

Check the pin 4 of

U407 is "H" ?

Yes

Istheresinewavesignal

on the U403 pin35,36 during window Media

playing?

No

ReplaceSpeakerandIfspeakeris

well, than replace side key F-PCB

Hardware Reset or Download Image

Hardware reset or Resodering or

download image.

Yes

END

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C 450 1UF

SGH-I700 Flow Chart of Troubleshooting

AM P36

2

3

4

5

VO 2

GND

VDD

VO 1

V+

NO1

COM 1

IN1

NC1

U 405

_SHDN

C 457

180PF

R 434

47K,1%

U 407

BYPA

+IN

-IN

NO2

COM 2

IN2

NC2

GND

1

2

3

4

AG ND

101

9

8

7

R 430 27K,1%

C 458

1UF

LINEOUTR

SPK_SEL

RCVOUTR

C 452 330NF

SPKO UTSPK+

6

SPK- nAM P _E N

33UFC 485

6.3V

33UFC 484

AG ND

8

7

6

5

6.3V

AUDIO33

C 462

100NF

AG ND

SPKO UT

LINEOUTL

SPK_SEL

RCVOUTL

AG ND

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SGH-I700 Flow Chart of Troubleshooting

7. Receiver Part

Receiver does not work

Yes

CN401 pin

=sinewave?

Yes

Check the pin 2,4 of

U404 is sine wave ?

Yes

Check the pin 3,9 of U407 is sine wave ?

Yes

Check the pin 35,36 of

U403 is sine wave ?

Yes

END

No

Replace Receiver.

Check U404 (pin 1 must be "H")

Chech U407, (pin 4 must "H")

Hardware reset or Resodering or

download image.

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