Samsung SGH-E770 User manual

GSM TELEPHONE

SGH-E770

GSM TELEPHONE CONTENTS

1. Specification

2. Flow Chart of Troubleshooting

3. Exploded View and Parts List

4. MAIN Electrical Parts List

5. PCB Diagrams

6. Block Diagrams

1. SGH-E770 Specification

1-1

1-1. GSM General Specification

GSM 900 DCS1800 PCS1900

Freq. Band[MHz]

Uplink/Downlink

880~915

925~960

1710~1785

1805~1880

1850~1910

1930~1990

ARFCN range 0~124

&975~1023 512~885 512~810

Tx/Rx spacing 45MHz 95MHz 80MHz

Mod. Bit

rate/

Bit Period

GPRS 270.833Kbps

3.692us

270.833Kbps

3.692us

270.833Kbps

3.692us

EDGE 812.5Kbps

3.692us

812.5Kbps

3.692us

812.5Kbps

3.692us

Time Slot

Period/Frame Period

576.9us

4.615ms

576.9us

4.615ms

576.9us

4.615ms

Modulation

GPRS 0.3GMSK 0.3GMSK 0.3GMSK

EDGE 8PSK 8PSK 8PSK

MS Power

GPRS 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm

EDGE 27~5dBm 26~0dBm 26~0dBm

Power

Level

GPRS 5pcl~19pcl 0pcl~15pcl 0pcl~15pcl

EDGE 8~19(c lass E2 ) 2~15(class E2) 2~15(class E2)

Sensitivity -102dBm -100dBm -102dBm

TDMA Mux 8 8 8

Cell Radius 35Km 2Km 2Km

SGH-E770 Specification

1-2

1-2. GMSK TX power Level

TX Power

control

level

GSM900

5 33±2dBm

6 31±3dBm

7 29±3dBm

8 27±3dBm

9 25±3dBm

10 23±3dBm

11 21±3dBm

12 19±3dBm

13 17±3dBm

14 15±3dBm

15 13±3dBm

16 11±5dBm

17 9±5dBm

18 7±5dBm

19 5±5dBm

TX Power

control

level

DCS1800

0 30±2dBm

1 28±3dBm

2 26±3dBm

3 24±3dBm

4 22±3dBm

5 20±3dBm

6 18±3dBm

7 16±3dBm

8 14±3dBm

9 12±4dBm

10 10±4dBm

11 8±4dBm

12 6±4dBm

13 4±4dBm

14 2±5dBm

15 0±5dBm

TX Power

control

level

PCS1900

030±2dBm

128±3dBm

226±3dBm

324±3dBm

422±3dBm

520±3dBm

618±3dBm

716±3dBm

814±3dBm

912±4dBm

10 10±4dBm

11 8±4dBm

12 6±4dBm

13 4±4dBm

14 2±5dBm

15 0±5dBm

SGH-E770 Specification

1-3

1-3. EDGE TX Power Level

TX Power

control

level

GSM850

8 27±3dBm

9 25±3dBm

10 23±3dBm

11 21±3dBm

12 19±3dBm

13 17±3dBm

14 15±3dBm

15 13±3dBm

16 11±5dBm

17 9±5dBm

18 7±5dBm

19 5±5dBm

TX Power

control

level

DCS1800

2 26±3dBm

3 24±3dBm

4 22±3dBm

5 20±3dBm

6 18±3dBm

7 16±3dBm

8 14±3dBm

9 12±4dBm

10 10±4dBm

11 8±4dBm

12 6±4dBm

13 4±4dBm

14 2±5dBm

15 0±5dBm

TX Power

control

level

PCS1900

2 26±3dBm

3 24±3dBm

4 22±3dBm

5 20±3dBm

6 18±3dBm

7 16±3dBm

8 14±3dBm

9 12±4dBm

10 10±4dBm

11 8±4dBm

12 6±4dBm

13 4±4dBm

14 2±5dBm

15 0±5dBm

SAMSUNG Proprietary-Contents may change without notice

2. SGH-E770 Flow Chart of Troubleshooting

2-1

This Document can not be used without Samsung's authorization

2-1.Baseband

2-1-1. Power ON

'Power ON' Does not work

Check the current consumption

Current consumption

≥100mA ?

Check the V bat. voltage

Down load again

Voltage ≥3.3V ?

Check the pins of UCP301

C311 ≥1.8V ?

Check the Initial operation

END

C314 and C315 = 2.8V?

Charge the Battery

Checktheclockgeneration

circuit (TCX101, U104 pin#4)

Checktheclocksignal

at pin #3 of TCX101

Freq.=13MHz,Vrms ≥300mV

Check UCP301 and C316

Check UCP301 and C311

YES

C316=1.5V?

SAMSUNG Proprietary-Contents may change without notice

SGH-E770 Flow Chart of Troubleshooting

2-2

This Document can not be used without Samsung's authorization

C315

R314

C311

C317

VCCD_1.8V

VCCB_2.9V

VRF_2.9V

R319

C310

C316

VCCA_2.9V

C314

C313

C300C301

VCCA_2.9V

VCCD_1.8V_PSC

C303

R325

VBAT

R321

C320

TH300

C309

BAT300

VCCB_2.9V

C302

VCCD_2.9V

VRF_2.9V

VPAC_2.8V

VBAT

R315

C322

VBAT

VRTC_1.5V

VCCD_2.9V

VLDO1_1.5V

VCCB_2.9V

C318

C323

R312

C319

R317

R311

C312

NGERV

31M P

GER

H11

VRTCK12

VSIM

1SSV

2SSV 2R

3SSV

4SSV

31R MC

1D QANEOX

D10

VL5S_A

VL5S_BC9

G11

VLDO_1J12

VLDO_2

A13

VLDO_3B12

VLDO_4

B10

VLDO_5

A14

VLDO_6C12

VLDO_7

A10

VREF

41R

BDDV

11N

DDDV

11L

VDDV

1OI_DDV

2OI_DDV

LTCO_DDV

E14

VEXT

F15

VIB_DRV

9L NE_GNR_BIV

A12

VL4S_AB11

VL4S_B

UP_IOR10

UP_RST

F14

VACC

E13

VBAT

1DDV

J13

VDD12

2DDV

3DDV

C11

VDD34

01C

5DDV

31B

76DDV

SDO_PSC

C2SERCK

SERDA

SERLE1

A2SERLE2

K14

SIM_CLK

J11

SIM_IOK11

SIM_RST

7E PXT

UP_CLK

P10

O_TESER

F13

RING_DRV

H10

RTC_ALMN

4N KLC_CTR

L2RWN

6D NIXTXR

7D PIXTXR

6C NQXTXR

7C PQXTXR

SCLK_PSC

SDI_PSCM7

OCTL4

OCTL5

B3OCTL6

OCTL7

7L FUB_1WSP

9M PEEK_RWP

51C N1WS_RWP

41C 2WS_RWP

6B 1FERAR

5B 2FERAR

RESETN_CSP

41N PNICIM

51P NTUOCIM

51N PTUOCIM

01N EDOM

5CN 1

6CN

E6OCTL0

OCTL1

F5OCTL2

OCTL3

11F

RUCH_DNG

LTCO_DNG

51B

1CSP_DNG

51K

2CSP_DNG

01L QRTNI

I|O

G13

LED1_DRVG12

LED2_DRV

6R CM

41M NNICIM

01J

61SDNG 01K

71SDNG

2SDNG

3SDNG 01F

4SDNG

5SDNG 8G

6SDNG

7SDNG 01G

8SDNG

9SDNG

31P

3P RTNID

DNG

01M

DDNG

QDNG

1SDNG

01SDNG

11SDNG 21SDNG 9H7J

31SDNG

41SDNG 9J

51SDNG

DB13

D3DB14

D2DB15

K3DB2

DB3

J6DB4

H5DB5

G3DB6

G4DB7

F4DB8

F1DB9

CSN_PSCK8

4R KCIAD

6L IDIAD

6M ODIAD

4P N

K1DB0

DB1

F2DB10

F3DB11

E2DB12

21P NBTUOA

21R PBTUOA

41L NNIXUA

51M PNIXUA

31L NTUOXUA

31K PTUOXUA 31D

3CDA_XUA

E11

CH_BDRVF12

CH_ISEND14

CH_RES

CREF

AB4

AB5

M1AB6

AB7

K5AB8

E10

ADC_AUX1D15

ADC_AUX2

5P 4XUA_CDA

9D CFA

21N NATUOA

11P PATUOA

UCP301

K6AB0

AB1

L5AB2

AB3

TX_EN

ICHRG

NNIXUA

NTUOXUA

DCS_TX_EN

FUB_1WSP

QANEOX

RX_EN

PAC_EN

DSP_IO

DSP_RWN

SX_EN

FLASH_RESET

NO_GIJ

SIM_RST

SIM_IO

VSIM

SIM_CLK

PNICIM NNICIM PTUOCIM NTUOCIM PNIXUA

PTUOXUA

UP_SDO

UP_SCLK

UP_CS

GSM_TX_EN

TNI_PSD

SERLE

SERDAT

SERCLK

CPAV

PIXTR NIXTR PQXTR NQXTR

PATUOA NATUOA PBTUOA NBTUOA

K23KLC

CM_M31KLC

NO_RWP

DSP_DB(6)

DSP_DB(5)

DSP_DB(4)

DSP_DB(3)

DSP_DB(2)

DSP_DB(1)

DSP_DB(0)

DSP_AB(0:8)

DSP_AB(8)

DSP_AB(7)

DSP_AB(6)

DSP_AB(5)

DSP_AB(4)

DSP_AB(3)

DSP_AB(2)

DSP_AB(1)

DSP_AB(0)

DSP_DB(0:15)

DSP_DB(14)

DSP_DB(13)

DSP_DB(12)

DSP_DB(11)

DSP_DB(10)

DSP_DB(9)

DSP_DB(8)

DSP_DB(7)

BP_VF

CFA

DSP_DB(15)

EAR_CHECK

INTRQ

KEY_BL1

PWR_KEEP

RST

RTCALARM

UP_SDI

SIMCLK

SIMDATA

SIMRST

SAMSUNG Proprietary-Contents may change without notice

SGH-E770 Flow Chart of Troubleshooting

This Document can not be used without Samsung's authorization

2-3

SAMSUNG Proprietary-Contents may change without notice

SGH-E770 Flow Chart of Troubleshooting

2-4

This Document can not be used without Samsung's authorization

2-1-2. Initial

The voltage at the C311=1.8V?

The voltage at the C315=2.8V?

Initial Failure

ThevoltageattheVR200

" Low --> High" ?

There is 32.768KHz wave

form at the C214, C215 ?

The voltage is 2.8V

at the C312,C314,C315 ?

LCD Display OK ?

Sound operation OK ?

END

Check the UCP201

Check the UCP301

Check the LCD part

Check the Audio part

YES

Check the UCP301

(If it has some problem,

it has to be replaced.)

Check the UCP301

(If it has some problem,

it has to be replaced.)

SAMSUNG Proprietary-Contents may change without notice

SGH-E770 Flow Chart of Troubleshooting

This Document can not be used without Samsung's authorization

2-5

HP_CORE_1.6V

C206

C202

R204

OSC200

C205 C207

C215C214

C204

VCCD_1.8V

C201

HP_CORE_1.6V

C208

R201

VRTC_1.5V

T14

TEST2

TEST3 V16

SPCLK1_PIO18

N15

SPFS1_PIO15

SPRXD1_PIO17 M17

N16

SPTXD1_I2SD_PIO16

TCK U14

TDI V14

TDO T12

TEST1 U15

RWN V6

M18

PIO35_A_A25_BOOTSEL

J16

PIO47

E14 PIO30_WAITN

P12

PIO31_IRQ6

U18

PIO33

PIO34 R14

PIO00_IRQ5 P16

M16

M19

IRQ2

IRQ3 P17

P18

IRQ4

D_D4 V8

D_D5 U8

D_D6

D_D7 T8

D_D8

D_D9 R9

FLASHRSTN

H14

T15

INT0

IO W6

V12

IOBIT0_PIO05 N11

IOBIT1_PIO06

IRQ1

D_D0 U6

D_D1 T6

D_D10

D_D11 P9

D_D12 N9

D_D13

D_D14 N10

D_D15 P11

D_D2

D_D3 T7

D_A0

D_A1 W2

D_A2 V3

D_A3

D_A4 U4

D_A5 T5

D_A6

D_A7 N6

D_A8

A_D6

A_D7

G12 A_D8

D11 A_D9

E12

A_OEN

B14

D14 A_WEN

N12

CKO_IACK

T17

CPTSTSTOP_CKO

C12 A_D10

A_D11

A12

F12 A_D12

A_D13

D12

E13 A_D14

D13 A_D15

A_D2

F9 A_D3

G10

G11 A_D4

A_D5

F11

E11

A17

A14 A_CS0N

C15 A_CS1N

G14 A_CS2N

A_CS3N

J14 A_CS4N

D15

C16 A_CS5N

F15 A_CS6N

A_CS7N

B17

A8 A_D0

A_D1

A_A22

A_A23

F4 A_A24

A_A3

C6 A_A4

A_A5

D7 A_A6

A_A7

C4 A_A8

A_A9

H16 A_BE0N

A_BE1N

A_A13

D5 A_A14

A_A15

E8 A_A16

A_A17

F8 A_A18

D2 A_A19

A_A2

E4 A_A20

A_A21

ATCK_CTS1 M4

ATDI_RTS1 L5

T13

ATDO_PWM2

K12

ATMS_PIO45

A_A0

A_A1

A3 A_A10

A_A11

B1 A_A12

UCP201

PCM_CLK

LCDC_INT

ONENAND_CS

MCI_DAT0_EN

MCI_DAT0

MCI_CMD

MCI_CLK

MCI_CMD_EN

CARD_INS

YMU_IRQ

CHG_OFF

A(0)

DSP_INT

DSP_IO

DSP_RWN

FLASH_EN1

KEY_COL(0:4)

LOWER_BYTE

YMU_CS

LCDC_CS

RAM_CS

KEY_ROW(0:5)

SPK_SEL

M_HOLD

PCM_SYNC

PCM_IN

PCM_OUT

DSP_AB(8)

DSP_AB(7)

DSP_AB(6)

DSP_AB(5)

DSP_AB(4)

DSP_AB(3)

DSP_AB(2)

DSP_AB(1)

DSP_AB(0)

CP_TDI

CP_TCK

CP_TMS

HALL_SENSOR

JACK_IN

INTRQ

USB_CON

AK_EN

DSP_DB(14)

DSP_DB(13)

DSP_DB(12)

DSP_DB(11)

DSP_DB(10)

DSP_DB(9)

DSP_DB(8)

DSP_DB(7)

DSP_DB(6)

DSP_DB(5)

DSP_DB(4)

DSP_DB(3)

DSP_DB(2)

DSP_DB(1)

DSP_DB(0)

DSP_AB(0:8)

D(11)

D(10)

D(9)

D(8)

D(7)

D(6)

D(5)

D(4)

D(3)

D(2)

D(1)

D(0)

UP_SDO

UP_SDI

UP_CS

OLED_EN

KEY_COL(1)

KEY_COL(2)

KEY_COL(3)

KEY_COL(4)

DSP_DB(15)

DSP_DB(0:15)

A(21)

A(20)

A(19)

A(18)

A(17)

A(16)

A(15)

A(14)

A(13)

A(12)

A(11)

A(10)

A(9)

A(8)

A(7)

A(6)

A(5)

A(4)

A(3)

A(2)

A(1)

CP_OEN

T_FLASH_ON

FLASH_RESET

ROM1_CS

UPPER_BYTE

D(0:15)

D(14)

D(13)

D(12)

RST

INVERT

RTCALARM

BT_RTS

BT_RXD

SDS_RXD

SIMCLK

SIMDATA

UP_SCLK

BT_TXD

SDS_TXD

A(0:24)

A(24)

A(23)

A(22)

USB_SUSP

USB_DET

MIC_SEL

VMOT_EN

USB_VPO

USB_VMO

SIMRST

PWR_KEEP

XOENAQ

AMP_EN

EAR_SEL

CHG_DET

EAR_SWITCH

USB_OEN

USB_DATA

VIB_EN

PWM_MAG

CP_TDO

D(15)

CP_WEN

CLK13M_TR

BT_CTS

MLCD_DIM

VBT_EN

KEY_COL(0)

KEY_ROW(4)

KEY_ROW(5)

PSW1_BUF

KEY_ROW(0)

KEY_ROW(1)

KEY_ROW(2)

KEY_ROW(3)

CLK32K

SAMSUNG Proprietary-Contents may change without notice

SGH-E770 Flow Chart of Troubleshooting

2-6

This Document can not be used without Samsung's authorization

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