Samsung SHG-x660 Manual de usuario

GSM TELEPHONE

SGH-X660

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-X660 Specification

1-1

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1-1. GSM General Specification

GSM900

Phase 1

EGSM 900

Phase 2

DCS1800

Phase 1 PCS1900

Freq. Band[MHz]

Uplink/Downlink

890~915

935~960

880~915

925~960

1710~1785

1805~1880

1850~1910

1930~1990

ARFCN range 1~124 0~124 &

975~1023 512~885 512~810

Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz

Mod. Bit rate/

Bit Period

270.833kbps

3.692us

270.833kbps

3.692us

270.833kbps

3.692us

270.833kbps

3.692us

Time Slot

Period/Frame

Period

576.9us

4.615ms

576.9us

4.615ms

576.9us

4.615ms

576.9us

4.615ms

Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK

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

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

Sensitivity -102dBm -102dBm -100dBm -100dBm

TDMA Mux 8 8 8 8

Cell Radius 35Km 35Km 2Km -

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SGH-X660 Specification

1-2

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1-2. GSM TX power class

TX Power

control level GSM900

533±2dBm

631±2dBm

729±2dBm

827±2dBm

925±2dBm

10 23±2 dBm

11 21±2 dBm

12 19±2 dBm

13 17±2 dBm

14 15±2 dBm

15 13±2 dBm

16 11±3 dBm

17 9± 3dBm

18 7±3 dBm

19 5±3 dBm

TX Power

control level DCS1800

0 30±3 dBm

1 28±3 dBm

2 26±3 dBm

3 24±3 dBm

4 22±3 dBm

5 20±3 dBm

6 18±3 dBm

7 16±3 dBm

8 14±3 dBm

9 12±4 dBm

10 10±4 dBm

11 8±4 dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

TX Power

control level PCS1900

0 30±3 dBm

1 28±3 dBm

2 26±3 dBm

3 24±3 dBm

4 22±3 dBm

5 20±3 dBm

6 18±3 dBm

7 16±3 dBm

8 14±3 dBm

9 12±4 dBm

10 10±4 dBm

11 8±4 dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

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2. SGH-X660 Flow Chart of Troubleshooting

2-1

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2-1.Baseband

2-1-1. Power ON

'Power On' does not work

Check the Vbat

Voltage >=3.4V

Download again

Charge the Battery

VCCD_2.9 of U102

>=2.9V

Check U105

There is 26MHz wave

form at the OSC701

pin#1,3

Check the clock generation

circuit(related to OSC701)

Check the initial operation

END

Yes

Check the pin of U102

Checktheclocksignalatpin#3ofOSC701

Check the Current

consumption

>= 100mA

VRF_2.9, VCCA_2.9

of U102 >= 2.9V

VCCD_1.6 of U105

>=1.6V

Check U102

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SGH-X660 Flow Chart of Troubleshooting

2-2

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VBAT

C126

VBAT

C118C120 C117

VCCD_1.8

C122 C119

VRF_2.9 VCCD_2.9VCCA_2.9

VCCB_2.9

C121

VCCB_2.9

VREF A10

VRTC H11

A12

VL4S_B B11

VL5S_A D10

VL5S_B

VLDO_1 G11

J12

VLDO_2

VLDO_3 A13

VLDO_4 B12

VLDO_5 B10

VLDO_6 A14

VLDO_7 C12

E14

VEXT

VIB_DRV F15

VL4S_A

VACC F14

VBAT E13

SDI_PSC

SDO_PSC N7

RING_DRV F13

RTC_ALMN H10

SCLK_PSC

LED1_DRV G13

LED2_DRV G12

CH_RES D14

CREF

CSN_PSC

CH_BDRV E11

CH_ISEN F12

ADC_AUX1 E10

ADC_AUX2 D15

U102

C123

R112

AGND

R111

R108

R107

10K,1%

R109

VCCB_2.9

C124 R110

C113

R101

TH101

C105

R117

RTCALARM

UP_SDI

UP_SDO

UP_SCLK

UP_CS

BAND_SEL1

BAND_SEL2

KEY_BACKLIGHT

TP101

ICHRG

BP_VF

INTRQ

PWR_KEEP

RST

VEXT

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SGH-X660 Flow Chart of Troubleshooting

2-3

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OSC701

2_SEN

1SCLK

3SDIO

3435

U702

BIN

7BIP

4BQN

5BQP

C722

XOENA

SERLE

RTX_IN

RTX_IP

RTX_QN

RTX_QP

SERCLK

SERDAT

C129C130

C128

L101

VCCD_2.9 VCCD_1.6VBAT

3EN 4

GND

1VIN

U105

R116

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SGH-X660 Flow Chart of Troubleshooting

2-4

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2-1-2. Initial

Initial Failure

Yes

IS the pin #K9 of U102

"Low →High" ?

No Check the U102

(if it has some problem, it is to be replaced.)

There is 32.768kHz wave

form at the C220 & C221

Yes

No Check the OSC202

There is 24MHz wave form

at the OSC301 pin#1,3 Check the OSC301

LCD display is O.K

Yes

Check the LCD part

Sound operation O.K

Yes

No Check the Audio part

END

Yes

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SGH-X660 Flow Chart of Troubleshooting

2-5

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VBAT

VREF A10

RTC_ALMN H10

CREF

ADC_AUX1 E10

ADC_AUX2 D15

U102

R112

R111

R108

C124 R110

RTCALARM

INTRQ

PWR_KEEP

RST

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SGH-X660 Flow Chart of Troubleshooting

2-6

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R303

R304

C311

C316

HOT

OSC301

GND1

GND2

HOT

C221

OSC202

C220

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SGH-X660 Flow Chart of Troubleshooting

2-7

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2-1-3. Sim Part

There is any signal

pin#2,#3,#4 of SIM101

"Insert SIM" is displayed on the LCD

Check the SIM

connector's (SIM101)

connection to SIM Card

check the U102 & UCP201

Resolder or change SIM101

END

Yes

Check the SIM Card

Check the voltage at

SIM101 pin #1 ≥2.8V Check the U102

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