Samsung SGH-E850 Manuale utente

GSM TELEPHONE

SGH-E850

GSM TELEPHONE CONTENTS

1. Specification

2. Flow Chart of Troubleshooting

3. Exploded Views and Parts List

4. Electrical Parts List

5. PCB Diagrams

6. Block Diagrams

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1. SGH-E850 Specification

This Document can not be used without Samsung's authorization

1-1

GSM900 DCS1800

Freq. Band[MHz]

Uplink/Downlink

880~915

925~960

1710~1785

1805~1880

ARFCN range 975~1023

0~124 512~885

Tx/Rx spacing 45MHz 95MHz

Mod. Bit rate/

Bit Period

270.833kbps

3.692us

270.833kbps

3.692us

Time Slot Period/Frame

Period

576.9us

4.615ms

576.9us

4.615ms

Modulation 0.3GMSK 0.3GMSK

MS Power 33dBm~5dBm 30dBm~0dBm

Power Class 5pcl~19pcl 0pcl ~ 15pcl

Sensitivity -102dBm -100dBm

TDMA Mux 8 8

Cell Radius 35km -

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2. SGH-E850 Flow Chart of Troubleshooting

2-1

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1.Baseband

1. Power ON

Power On does not work

Voltage >= 3.3V

Download again

Charge the Battery

Check U100 and C110

pin#A13 and pin#A14

=2.8V

Check U100 and C113

Freq = 13MHz ,

Vrms ≥300mV

and

Vpp 뵃900mVpp

Check the clock generation circuit

(related to OSC300)

END

Yes

Check the V bat. Voltage

Check the pin of U100

Checktheclocksignalatpin#8ofU700

Check the initial operation

Check the current consumption

Current consumption

>=100mA

pin#G11 =

1.8V

pin#J12 >=

2.8V

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SGH-E850 Flow Chart of Troubleshooting

2-3

This Document can not be used without Samsung's authorization

IAD

SIMCLK SIMDATA

SIMRST

SIMVCC

IAD

100NF

C119

56PF

C100

2.2UF

C104

VCCD

VCCA

2.7K

R120

R118

C122

1UF

CN100

401PT

C121

NCR711

100K

R121

C110

470nF

VCCB

TP109

201PT

VBAT

R105 0

R102

1.2K

41R

ERV

31M

ERV

H11

VRTC

K12

VSIM

1SSV

4K2SSV

2R3SSV

6P4SSV

31R

CVXV

QANEOX

B11

VL4S_B

D10

VL5S_A

VL5S_B C9

G11

VLDO_1

J12

VLDO_2

A13

VLDO_3

B12

VLDO_4

B10

VLDO_5

A14

VLDO_6

C12

VLDO_7

A10

VREF

76DDV

6ABDDV

11NDDDV

VDDV

11L

5N1O

I_DDV

4J2O

I_DDV

4CLTCO

_DDV

E14

VEXT

F15

VIB_DRV

NE_GNR

A12

VL4S_A

P10

UP_IO

R10

UP_RST

F14

VAC C

E13

VBAT

3J1DDV

J13

VDD12

3M2DDV

3DDV

C11

VDD34

01C5DDV

31B

SDI_PSC M7

SDO_PSC

C2 SERCK

SERDA

SERLE1

SERLE2

K14

SIM_CLK

J11

SIM_IO

SIM_RST K11

PXT

UP_CLK

RESETN_CSP

_TESER

F13

RING_DRV

RTC_ALMN H10

KLC

_CTR

L2 RWN

IXTXR

NQXTXR

PQXTXR

SCLK_PSC

OCTL4

OCTL5

B3 OCTL6

OCTL7

FUB_1W

PEEK

_RW

51C

_RW

41C

_RW

1FERAR

2FERAR

41N

51P

NTUOC

51N

PTUOC

01N

EDOM

5CN

26CN

7CN

E6 OCTL0

OCTL1

F5 OCTL2

OCTL3

11FRUCH

_DNG

4BLTCO

_DNG

51B1CSP_DNG

51K2CSP_DNG

01L

QRTN

I|O

G13

LED1_D RV

G12

LED2_D RV

41M

01J61SDNG

01K71SDNG

8F2SDNG

9F3SDNG

01F4SDNG

7G5SDNG

8G6SDNG

9G7SDNG

01G8SDNG

6H9SDNG

31PVDNG

RTN

6FBDNG

01MDDNG

8EQDNG

7F1SDNG

7H01SDNG

11SDNG

8H21SDNG

7J31SDNG

8J41SDNG

9J51SDNG

D3 DB14

D2 DB15

K3 DB2

J5 DB3

J6 DB4

H5 DB5

G3 DB6

G4 DB7

F4 DB8

F1 DB9

CSN_PSC K8

IAD

IAD6L

IAD

K1 DB0

DB1

F2 DB10

F3 DB11

E2 DB12

E3 DB13

NBTUOA

PBTUOA21R

41L

IXUA

51M

IXUA

31L

NTUOXUA

31K

PTUOXUA

31D3CDA_XUA

E11

CH_BD RV

F12

CH_ISEN D14

CH_RES

CREF E9

N2 AB4

AB5

AB6

AB7

K5 AB8

E10

ADC_AUX1

D15

ADC_AUX2

CFA

21N

NATUOA

11P

PATUOA

21P

U100

K6 AB0

AB1

L5 AB2

AB3

100PF

C107

VBAT

R709

VRF

VCCD

C126

470NF

VCC_1.8A

VCCD

20V

I_414BR

M100

NEG

POS

301PT

U102

C123

56PF

C109

1UF

101PT

VCCA

10V

10UF

C117

33PF

C106

U101

MAX4840

2.2UF

C108

0R109

001R0

R116 10

C120

VRTC

R119

33PF

C105

C118

10V

10UF

R114

001611C

470nF

C112

C103

100NF

10UF

10V

C114

4.7UF

C113

C125 470nF

100NF

C101

VCCD

470nF

C111

301U

6241

VBAT

33PF

C102

R107 0

DTC144EM

Q101

6.3V

2.2UF

C124

C115

10NF

CP_INT

TA_VEXT

SVC_LED

RST

SVC_LED

TX_BAND_SEL

TX_EN

SERDAT

DSP_DB(0:15)

DSP_AB(0:8)

CHG_ONICHRG

MICINP

AUXINP

DCS_TX_EN

GSM_TX_EN

CHG_DET

RTX_QP

RTX_QN

PATUOA

PGERV

31KLC

KEY_ROW(0)

DSP_IO

CSP_RESET

DSP_AB(1)

DSP_AB(0)

VREF

DSP_DB(1)

DSP_DB(6)

DSP_DB( 11)

DSP_DB(12)

DSP_DB(10)

DSP_RWN

SI_EN

SERLE

SERCLK

RTX_IP

RTX_IN

DSP_DB(0)

UP_CS

PTUO

XUA

NTUO

XUA

IXUA

PBTUOA

NBTUOA

NATUOA

AFC

DSP_AB(8)

DSP_AB(7)

DSP_AB(6)

DSP_AB(5)

DSP_AB(4)

DSP_AB(3)

DSP_AB(2)

PTUOC

NTUOC

BACKLIGHT

I_PSD

DSP_DB(9)

DSP_DB(8)

DSP_DB(7)

DSP_DB(5)

DSP_DB(4)

DSP_DB(3)

DSP_DB(2)

DSP_DB(15)

DSP_DB(14)

DSP_DB(13)

KEY_COL(2)

SIMRST

SIMDATA

SIMCLK

TXPOWER

UP_SDI

UP_SCLK

23KLC

RTCALARM

_RW

PWR_KEEP

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SGH-E850 Flow Chart of Troubleshooting

2-2

This Document can not be used without Samsung's authorization

2. Initial

The pin #G11 of

U100 = 1.8V and

the pin #J12 of U100

뵃2.825V ?

Initialization Failure

Check the U100

(If it has some problem, it has to

be replaced.)

END

Yes

Is the pin #K9 of

U100

"Low->High"?

Yes

Check the OSC600

There is 32.768kHz

wave forms at the

C614 and C615

Check the LCD Part

Yes

The Voltage is "High"

at the

C112,C108,C109

Check the Audio Part

Check the U100

(If it has some problem, it has to

be replaced.)

Check the OSC300

The pin #3 of

OSC300

Check the U100

LCD display is O.K No

Yes

Sound is O.K

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SGH-E850 Flow Chart of Troubleshooting

2-4

This Document can not be used without Samsung's authorization

OSC600

VBAT

100NF

C616

R610

R609

XRTCALARM_N E8

XTIC_MODE D12

XOSC32OUT

XCPTSTSTOP_CKO M12

X1RTC A7

D10

X2RTC

B11

XAG0

XAG1 A11

XAG2 E11

D11

XAG3

XBSWN

C614

12PF 12PF

C615

330K,1%

R611

330K,1%

R613

R605 100K

R608 0

R606

10K,1%

ICHRG

TEMP

BP_VF

CLK32K

RTCALARM

RST

2.7K

10NF

R314

C302

10NF

C301

560

R315

VRF

R317

10NF

C308

10NFC304

100K

1NFC303

OSC300

BUFFIN

BUFFOUT

GND

OUT VCC

VCONT

10NFC306

R323

150

R312 100

10NF

C300

CLK13M_TR

CLK13M_MC

CLK13M_RF

CLK13M_YMU

AFC

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SGH-E850 Flow Chart of Troubleshooting

2-5

This Document can not be used without Samsung's authorization

SIMCLK SIMDATA

SIMRST

SIMVCC

100NF

C119

56PF

C100

2.2UF

C104

VCCD

VCC

2.7K

R120

R118

C122

1UF

CN100

C121

NCR711

100K

R121

C110

470nF

VCCB

TP109

VBAT

R105 0

R102

1.2K

H11

VRTC

K12

VSIM

B11

VL4S_B

D10

VL5S_A

VL5S_B C9

G11

VLDO_1

J12

VLDO_2

A13

VLDO_3

B12

VLDO_4

B10

VLDO_5

A14

VLDO_6

C12

VLDO_7

A10

VREF

E14

VEXT

F15

VIB_DRV

A12

VL4S_A

P10

UP_IO

R10

UP_RST

F14

VAC C

E13

VBAT

J13

VDD12

C11

VDD34

SDI_PSC M7

SDO_PSC

C2 SERCK

SERDA

SERLE1

SERLE2

K14

SIM_CLK

J11

SIM_IO

SIM_RST K11

UP_CLK

RESETN_CSP

F13

RING_DRV

RTC_ALMN H10

L2 RWN

SCLK_PSC

OCTL4

OCTL5

B3 OCTL6

OCTL7

E6 OCTL0

OCTL1

F5 OCTL2

OCTL3

I|O

G13

LED1_DRV

G12

LED2_DRV

D3 DB14

D2 DB15

K3 DB2

J5 DB3

J6 DB4

H5 DB5

G3 DB6

G4 DB7

F4 DB8

F1 DB9

CSN_PSC K8

K1 DB0

DB1

F2 DB10

F3 DB11

E2 DB12

E3 DB13

E11

CH_BDRV

F12

CH_ISEN D14

CH_RES

CREF E9

N2 AB4

AB5

AB6

AB7

K5 AB8

E10

ADC_AUX1

D15

ADC_AUX2

U100

K6 AB0

AB1

L5 AB2

AB3

100PF

C107

VBAT

R709

VRF

VCCD

C126

470NF

VCC_1.8A

VCCD

M100

NEG

POS

U102

C123

56PF

C109

1UF

VCCA

10V

10UF

C117

33PF

C106

U101

MAX4840

2.2UF

C108

0R109

R116 10

C120

VRTC

R119

33PF

C105

C118

10V

10UF

R114

470nF

C112

C103

100NF

10UF

10V

C114

4.7UF

C113

C125 470nF

100NF

C101

VCCD

470nF

C111

2D5

3G4

VBAT

33PF

C102

R107 0

DTC144EM

Q101

6.3V

2.2UF

C124

C115

10NF

CP_INT

TA_VEXT

SVC_LED

RST

SVC_LED

TX_BAND_SEL

TX_EN

SERDAT

DSP_DB(0:15)

DSP_AB(0:8)

CHG_ONICHRG

MICINP

AUXINP

DCS_TX_EN

GSM_TX_EN

CHG_DET

RTX_QP

RTX_QN

KEY_ROW(0)

DSP_IO

CSP_RESET

DSP_AB(1)

DSP_AB(0)

VREF

DSP_DB(1)

DSP_DB(6)

DSP_DB(11)

DSP_DB(12)

DSP_DB(10)

DSP_RWN

SI_EN

SERLE

SERCLK

RTX_IP

RTX_IN

DSP_DB(0)

UP_CS

AFC

DSP_AB(8)

DSP_AB(7)

DSP_AB(6)

DSP_AB(5)

DSP_AB(4)

DSP_AB(3)

DSP_AB(2)

BACKLIGHT

DSP_DB(9)

DSP_DB(8)

DSP_DB(7)

DSP_DB(5)

DSP_DB(4)

DSP_DB(3)

DSP_DB(2)

DSP_DB(15)

DSP_DB(14)

DSP_DB(13)

KEY_COL(2)

SIMRST

SIMDATA

SIMCLK

TXPOWER

UP_SDI

UP_SCLK

RTCALARM

PWR_KEEP

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SGH-E850 Flow Chart of Troubleshooting

2-6

This Document can not be used without Samsung's authorization

3. Sim Part

Check the Voltage

at pin#1 of

CN100 ≥2.8V

"Insert SIM" is displayed on the LCD

Check the U100

Check the SIM Card

END

Yes

No Check the U600

Is there any

Signals

pin#2, #3, #4 of

CN100?

Check the SIM

connector's(CN10

0) connection to

SIM card

Resolder or change CN100

Yes

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SGH-E850 Flow Chart of Troubleshooting

2-7

This Document can not be used without Samsung's authorization

SIMCLK SIMDATA

SIMRST

SIMVCC

C102

33PF

C105

33PF

C106

33PF

C103

100NF

C104

2.2UF

334

910

CN100

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SGH-E850 Flow Chart of Troubleshooting

2-8

This Document can not be used without Samsung's authorization

4. Charging Part

The pin #17, #18 of

CN300 is TA_VEXT 뵃

5V?

Abnormal charging operation

The pin #4 of U103

is "HIGH"?

Replace TA or Check CN300

Check the U101,U103

Check the U102

END

Yes

The pin #4 of U102

is "HIGH"?

The pin #6 of U102 is

LOW Check U102 or TA

Yes

The pin #5 of U102 is

LOW(During charging)

The ICHRG = 1V(during

charging)

and 뵃180mV(full

charging)?

Solder again or change

R118

Check U102 or TA

Yes

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