Samsung SGH-E910 User manual

GSM TELEPHONE

SGH-E910

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

1. SGH-E910 Specification

1-1

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~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm

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

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

TDMA Mux 8 8 8 8

Cell Radius 35Km 35Km 2Km -

SGH-E910 Speclflcation

1-2

1-2. GSM Tx Power Class

TX Power

control level GSM900

5 33±2 dBm

6 31±2 dBm

7 29±2 dBm

8 27±2 dBm

9 25±2 dBm

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±4dBm

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±4dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

2. SGH-E910 Flow Chart of Troubleshooting

2-1

2-1 BASEBAND

2-1-1. Power ON

'Power On' does not work

Yes

Check the current

consumption more

than 100mA Download again

Yes

Charge the Battery

Check the VBAT

more than 3.3V

Yes

①

Check the

VLDO7_1.8V

of U301 is more than

1.8V

Check U301 and C310

Yes

Check C315 and U301

Check C343 and U304

②

Check VCCD_1.5 of

U304=1.5V

③

Yes

Check VRF of

U301=2.9V Check U301 and C314

Yes

④

Check C115

Freq = 13MHz

Vp-p > 0.8V Check the clock C115

Yes

Check the initial operation

Yes

END

SGH-E910 Flow Chart of Troubleshooting

2-2

V300

C318

R304

C319 R305

R301

R302

C322

VCCB_2.9

R320

C316

VBAT

VRF_2.9

C309

VCCD_1.8

C312 BAT301

VLDO_7 C12

VREF A10

VRTC H11

VSIM K12

VL4S_A A12

VL4S_B B11

VL5S_A D10

VL5S_B

G11

VLDO_1

VLDO_2 J12

VLDO_3 A13

VLDO_4 B12

VLDO_5 B10

VLDO_6 A14

VDD34

VEXT E14

VIB_DRV F15

UP_CLK N9

UP_IO P10

UP_RST R10

VACC F14

VBAT E13

VDD12 J13

C11

SCLK_PSC L8

SDI_PSC

SDO_PSC N7

SIM_CLK K14

SIM_IO J11

SIM_RST K11

RING_DRV F13

H10

RTC_ALMN

G12

LED1_DRV G13

LED2_DRV

CH_ISEN F12

CH_RES D14

CREF

CSN_PSC

CH_BDRV E11

ADC_AUX1 E10

ADC_AUX2 D15

VCCA_2.9

C315C314

VCCD_2.9

C310 C313

VRTC_1.5

VCCB_2.9

R303

C317C311

VSIM_2.9

VCCB_2.9

VLDO1_1.5V

BP_VF

KEY_BL

VIB_DRV

ICHRG

UP_SCLK

UP_CS

GSM_TX_EN

DCS_TX_EN

SIM_RST

SIM_IO

SIM_CLK

SIMDATA

SIMRST

RTCALARM

UP_SDO

UP_SDI

SIMCLK

U301

SGH -E 910 Flow Chart of Troubleshooting

2-3

C115

C114

R107

C117

R106

CLK13M_YMU

C116

CLK13M_TR

CLK13M_MC

L300

VBAT

6.3V

VCCD_2.9

1VIN

VCCD_1.5

U304

3EN 4

GND

F306

C343

SGH-E910 Flow Chart of Troubleshooting

2-4

Check and resolder

con-to-con connector

HDC301,HDC101 or

con-to-con FPCB

change

2-1-2. Initial

Initial Failure

Yes

①

Check the signal at pin

K9 of U301 is

"Low" for 250ms after

when the phone is boot

No Check TP301 of U301

Yes

②

Check the pin4 of

OSC201 is around

No Check the soldered status of

UCP201, OSC201, C214, C215

③

Yes

No Check HDC500 and LCD part

LCD display is O.K?

Yes

Check audio part

Sound is O.K? No

END

Yes

SGH -E 910 Flow Chart of Troubleshooting

2-5

U301

VREF A10

H10

RTC_ALMN

CREF

ADC_AUX1 E10

ADC_AUX2 D15

SGH-E910 Flow Chart of Troubleshooting

2-6

R14

J16

PIO47

P12

PIO31_IRQ6

U18

PIO33

PIO34

PIO00_IRQ5 P16

IRQ1 M16

M19

IRQ2

IRQ3 P17

P18

IRQ4

ATCK_CTS1

ATMS_PIO45 K12

OSC201

BACKEND_EN

VLCD_EN

LCD_BACKLIGHT

DLC_DETECT

MOTOR-

CLK32K

EAR_SWITCH

PWR_KEEP

XOENAQ

MOTOR+

VCAM_EN

MOTOR_SENSE

RTCALARM

SGH -E 910 Flow Chart of Troubleshooting

2-7

37 38

39 39

40 40

31 31 32 32

33 34

35 35 36 36

23 23 24 24

25 26

27 27 28 28

15 16 16

17 18

19 19

20 20

21 22

11 11 12 12

13 14

HDC500

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