Samsung SGH-C260 Service Manual

GSM TELEPHONE

SGH-C260

GSM TELEPHONE

CONTENTS

1. Specification

2. Exploded View and Parts list

3. Chart of Troubleshooting

4. Array course control

5. Block Diagrams

6. PCB Diagrams

7. MAIN Electrical Parts List

8. Reference data

9. Safety Precautions

10. Product Function

Contents

1. Specification

1-1. GSM General Specification .......................................................................................1-1

1-2. GSM TX power class ...............................................................................................1-2

2. Exploded View and Parts list

2-1. Cellular phone Exploded View ..................................................................................2-1

2-2. Cellular phone Parts list ............................................................................................2-2

2-3. Disassembly ...............................................................................................................2-9

2-4. Assembly ..................................................................................................................2-11

3. Chart of Troubleshooting

3-1. Baseband ............................................................................................................3-1

3-1-1. Power ON .....................................................................................................3-1

3-1-2. System Initial ................................................................................................3-5

3-1-3. SIM Part .......................................................................................................3-8

3-1-4. Charging Part .............................................................................................3-10

3-1-5. Microphone Part .........................................................................................3-12

3-1-6. Speaker Part ..............................................................................................3-15

3-1-7. Camera Part ..............................................................................................3-18

3-1-8. LCD .............................................................................................................3-21

3-2. RF ......................................................................................................................3-13

3-2-1. EGSM Rx ...................................................................................................3-23

3-2-2. DCS Rx ......................................................................................................3-24

3-2-3. PCS Rx ......................................................................................................3-25

3-2-4. EGSM Tx ...................................................................................................3-27

3-2-4. DCS & PCS Tx .........................................................................................3-28

3-2-6. BLUETOOTH ..............................................................................................3-30

Contents

4. Array course control

4-1. Downloading Binary Files ......................................................................................4-2

4-2. Pre-requsite for Downloading ................................................................................4-2

4-3. S/W Downloader Program .....................................................................................4-3

5. Block Diagrams

6. PCB Diagrams

7. MAIN Electrical Parts List

8. Reference data

8-1. Reference Abbreviate ..............................................................................................8-1

9. Safety Precautions

9-1. Repair Precaution ......................................................................................................9-1

9-2. ESD(Electrostaically Sensitive Devices) Precaution ................................................9-2

10. Product Function

1. Specification

1-1. GSM General Specification

Freq. Band[MHz]

Uplink/Downlink

ARFCN range

Tx/Rx spacing 45MHz 95MHz

GPRS

Mod. Bit rate/

Bit Period

EDGE

Time Slot Period/Frame Period

GPRS 0.3GMSK 0.3GMSK

Modulation

EDGE 8PSK 8PSK

GSM 900

880~915 925~960

0~124

& 975~1023

270.833Kbps

3.692us

812.5Kbps

3.692us

576.9us

4.615ms

DCS1800

1710~1785 1805~1880

512~885

270.833Kbps

3.692us

812.5Kbps

3.692us

576.9us

4.615ms

MS Power

Power Level

Sensitivity -102dBm -100dBm

TDMA Mux 8 8

Cell Radius 35Km 2Km

GPRS 33dBm~5dBm 30dBm~0dBm

EDGE 27~5dBm 26~0dBm

GPRS 5pcl~19pcl 0pcl~15pcl

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

1-1

Speclflcation

1-2. GSM Tx Power Class

TX Power

control level

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

GSM900

TX Power

control

level

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

DCS1800

14 15±3dBm

15 13±3dBm

16 11±5dBm

17 9±5dBm

18 7±5dBm

19 5±5dBm

9 12±4dBm

10 10±4dBm

11 8±4dBm

12 6±4dBm

13 4±4dBm

14 2±5dBm

15 0±5dBm

1-2

2. Exploded View and Parts List

2-1. Cellular phone Exploded View

QFR01

QKP01

QCR12

QMP01

QME01

QSH01

QAN05

QCR12

QAN02

QRF03

QMI01

QMI03

QCR12

QSC05

QFU01

QME03

QLC01

QSP01

QMO01

QHI01

QFL01

QMW02

QRE01

QBA01

QCR06

QBA01

2-1

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This Document can not be used without Samsung's authorization

Main Electrical Parts List

2-2. Cellular phone Parts list

Design LOC Discription SEC CODE

QAN02 INTENNA-SGHC260 GH42-01102A

QAN05 ASSY MEC-INTENNA CONTACT GH75-08168A

QBA00 PMO-CASE BATTERY GH72-36766A

QBA01 INNER BATTERY PACK-750MAH,BLK, GH43-02483A

QCR06 SCREW-MACHINE 6001-001155

QCR12 SCREW-MACHINE 6001-001530

QFU01 ASSY CASE-UPPER GH98-03405A

QKP01 ASSY KEYPAD-(XEN/ZR) GH98-03772A

QLC01 LCD-LCD MODULE GH07-01056A

QME01 UNIT-SGHC260 METAL DOME(MAIN) GH59-04084A

QME03 UNIT-SGHC260 CON TO CON GH59-04070A

QMI01 MICROPHONE-ASSY-6.25MM GH30-00177F

QMI03 RMO-MIC HOLDER GH73-05342A

QMO01 MOTOR DC-SGHC260 GH31-00308A

QMP01 PBA MAIN-SGHC260 GH92-03328A

QMW02 PMO-COVER MAIN WINDOW GH72-36767A

QRE01 ASSY CASE-REAR GH98-03406A

QSC05 RMO-COVER FOLDER SCREW GH73-09088A

QSH01 ASSY CASE-SHIELD CAN GH98-03407A

QSP01 SPEAKER 3001-002094

QFR01 ASSY CASE-FRONT GH98-03403A

QRF03 PMO-CASE EAR GH72-36761A

QFL01 ASSY CASE-LOWER GH98-03404A

QHI01 ASSY MEC-HINGE GH75-08452A

2-2

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This Document can not be used without Samsung's authorization

Main Electrical Parts List

Discription SEC CODE

BAG PE 6902-000297

ADAPTOR-SGHC140 DC JACK(EU_B GH44-01597A

LABEL(R)-WATER SOAK GH68-09361A

MANUAL USERS-EU PORTUGUESE GH68-13784A

MANUAL USERS-EU ENGLISH GH68-13785A

LABEL(R)-MAIN(EU) GH68-13956A

BOX(P)-UNIT MAIN (EU) GH69-05051A

RMO-RUBBER CSP GH73-08597A

RMO-COVER DUMMY HOLE GH73-08828A

MPR-INSU TAPE GH74-17540A

MPR-VINYL BOHO LCD WIN GH74-20912A

MPR-TAPE MAIN WINDOW GH74-29604A

MPR-TAPE DOPARO LED GH74-30219A

MPR-VINYL BOHO WINDOW JIG GH74-30221A

MPR-SPONGE GH74-30223A

MPR-SPONGE GH74-30638A

MPR-INSU TAPE GH74-30658A

2-3

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Main Electrical Parts List

2-3. Disassembly

1

1) Unscrew the REAR.(4 points)

※

caution

1) Be careful not to make scratch and molding da mage!

2

1) Lift up the lockers in the center of set.

※

caution

1) Be careful not to make scratch and molding

damage!

2) Rem ove the loc ker s in the center by all means.

3

1) Lift up the lockers in the bottom of set.

※

caution

1) Be careful not to make scratch and molding damage!

4

1) Twist the REAR off the set carefully.

※

caution

1) Be careful not to make scratch and molding damage!

2-4

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Main Electrical Parts List

5

1) Remove the CON TO CON.

※

caution

1) Be careful not to make scratch and molding

damage!

2) Be careful not to damage the CON TO CON .

6

1) Remove the PBA placed at the FRONT.

※

caution

1) Be careful not to make scratch and molding

damage!

2) Be careful not to damage the CON TO CON .

7

1) Unscrew the SHIELD-CAN.(2 points)

※

caution

1) Be careful not to make scratch and molding

damage!

8

1) Remove the KEY-PAD placed at the Front.

※

caution

1) Be careful not to make scratch and molding damage!

2-5

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Main Electrical Parts List

9

1) Remove the tape.

※

caution

1) Be careful not to make scratch and molding

damage!

2) Be careful not to damage the CON TO CON .

10

1)Seperate the FRONT from the FOLDER

assembled.

※

caution

1) Be careful not to make scratch and molding

damage!

2) Be careful not to damage the CON TO CON .

11

1) Remove the screw caps and unscrew the

LOWER. (2points)

※

caution

1) Be careful not to make scratch and molding

damage!

12

1) Lift up the bottom of LOWER removing the lockers with a tool.

※

caution

1) Be careful not to make scratch and molding damage!

2-6

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Main Electrical Parts List

13

1) Take the rubber out.

※

caution

1) Be careful not to make scratch and molding

damage!

14

1) Remove the LCD F-PCB.

※

caution

1) Be careful not to make scratch and molding

damage!

15

1) Remove the LCD carefully so that the nonwoven

on speaker and motor is not damaged.

※

caution

1) Be careful not to make scratch and molding

damage!

2-7

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This Document can not be used without Samsung's authorization

Main Electrical Parts List

2-4. Assembly

1

1)Put the CON TO CON on the LCD Module it clicks.

※

caution

1) Be careful not to make scratch and molding

damage!

2) Be careful not to damage the LCD Module.

2

1) Put the LCD Module into place as shown .

2) Put the speaker and motor into place.

※

caution

1) Be careful not to make scratch and molding

damage!

3

1) Place the MIC as the picture below

※

caution

1) Be careful not to make scratch and molding

damage! TORQE (1.0 ± 0.1 Kgf·Cm)

4

1) Put the MIC COVER and CREW

2) Attach KEYPAD

3) Press the KEYPAD not to be detached

※

caution

1) Be careful not to make scratch and molding

damage!

2-8

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Main Electrical Parts List

5

1) Fasten 2 screws.

2) Put the screw caps on the FOLDER.

※

caution

1) Be careful not to make scratch and molding

damage!

TORQE (1.0 ± 0.1 Kgf·Cm)

6

1) Put one side of the FOLDER into the FRONT firstly,do the other side pressing the hinge.

※

caution

1)Be careful not to damage the F-PCB.

7 8

1) Put a tape on.

※

caution

1) Be careful not to damage the wire on the speaker due to PBA.

1) Place the KEY-PAD into the FRONT.

※

caution

1) Be careful not to make scratch and molding

damage!

2-9

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Main Electrical Parts List

9

1) As shown,put the CON TO CON on PBA.

※

caution

1) Be careful not to make scratch and molding

damage!

2) Press the CON TO CON down firmly.

10

1) Press the bottom of REAR down until it clicks.

※

caution

1) Be careful not to make scratch and molding

damage!

2) Be careful not to damage the locker.

11 12

1) Press the both sides of the REAR using the lockers.

※

caution

1) Be careful not to make scratch and molding

damage!

2) Be careful not to damage the locker.

1) Press the top down until the lockers click

※

1) Be careful not to make scratch and molding

2) Be careful not to damage the locker.

grasping with your fingers carefully.

caution

damage!

2-10

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Flow Chart of Troubleshooting

3.

3-1. Baseband

3-1-1. Power ON

'Power ON' does not work

check the current

consumption

>= 100mA

Yes

Check the Voltage

of the Battery

>= 3.3V

Yes

Check the pin

3

C152,C153,C155 of

UCP107 is >= 2.8V

>=2.8V

Yes

Check the clock signal

atpin#3ofOSC101

Freq=26Mhz

Vrms >=300mV

No

Download again

Charge the battery

Check "Power

On" key?

Check the clock generation

circuit OSC101

Yes

No

Check"Power On"Key

1

check UCD107 and C153

2

Yes

Check the Initial Operation

Yes

END

3-1

Flow Chart of Troubleshooting

C132

VRF_2.9V

C183

4

GND2

HOT

1

3

HOT

GND1

2

OSC101

DPCS_PAM_IN

GSM_PAM_IN

VBAT

AFC

C147

C145

C151

R195

R102

R143

C146

C125

25V

C119 25V

C123

SERCLK

SERDAT

C124

SERLE

RTXIN

RTXIP

VCCD_2.9V

C150

C121

VLDO2

6 1

VLDO1

5 1

VBAT

4 1

VDD

3 1

VCC_TXVCO

2 1

TXOP_HI

1 1

TXOP_LO

0 1

VLDO3

9

RTXQN26M_OUT

RTXQP

3

7

8

1

F

C

B

E

F

N

R

I

A

_

F

V

C

E

C

R

V

K

N

L

E

C

S

N

7

8

1

9

0

2

1

2

P

N

B

I

O

Q

F

_

E

F

R

E R

UCD101

I B

A

B _

T

C

A

C

D

B

V

I

S

5

6

4

2

Q

B B _

RX1900B

C C V

RX1900

RX1800B

RX1800

RX900B

RX850B

E F _ C C V

I

3

2

1

RX900

RX850

GND

C N

5 3

5 2

6 2

7 2

8 2

9 2

0 3

1 3

2 3

3 3

C N

4 3

C184

DCS_LNA_IN_P

DCS_LNA_IN_N

GSM_LNA_IN_P

GSM_LNA_IN_N

C189

3-2

Flow Chart of Troubleshooting

DSP_DB(0:15)

DSP_AB(0:8)

FLASH_RESET

DSP_IO

DSP_RWN

VMOD_EN

TX_EN

SERLE SERDAT SERCLK

DSP_DB(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) DSP_DB(6) DSP_DB(5) DSP_DB(4) DSP_DB(3) DSP_DB(2) DSP_DB(1)

DSP_DB(0) 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)

D2 D3 E3 E2 F3 F2 F1 F4 G4 G3 H5 J6 J5 K3 K2 K1 K5 K7 M1 M2 N2 N1 L5 P1 K6 L3 L2 R3

E6 C5 F5 E5 A4 G6 B3 A3

B1 A2 C1 C2

2

DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 AB8 AB7 AB6 AB5 AB4 AB3 AB2 AB1 AB0 I|O RWN RESETN_CSP

NC4 OCTL1 OCTL2 NC OCTL4 OCTL5 OCTL6 OCTL7

SERLE1 SERLE2 SERDA SERCK

C F A

9 D

VCCD_2.9V

VCCA_2.9V

C153

C152

0

1

1 J

K

1

7

6

5

1

C

S

N

D

N

G

0 1

6

9

8

7

9

8

7

H

G

J

H

9

8

5

4

3

2

1

0

1

S

D

N

G

3

0

9

8

7

1

9

8

7

G

F

D

F

7

6

5

4

3

2

8

1

S

C

D

N

G

0

3

1

4

6

1

6

1

F

C

M

L

B

A

P

L

V

B

D

B

T

D

C

N

D

N

D

O

V

G

_

D

N

V

G

UCD107

N

P

N

P

T

P

A

X T

R

7

6

5

E

B

C

C180

F

P

A

100NF

V

10V

O

X

A

R

1

2

7

2

6

7

6

1

C

D

C

P

N

R

P

N

I

A

B

A

Q

X

T

X

T

U

T

U

T

R

O

R

O

A

P

N

P

N

P

2

1

N

P

B

A

F

I

Q

T

E

X

U

R

T

N

T

P

N

U

B

P

N

U

T

N

I

O

I

U

C

I

O A

M

2

5

4

1

P

N

M

P

N

T

N

B

I

U

T

C

I

O

U

M

C

M

O

I

A

M

N

P

M

U O C

I M

5 1 P

N T U O C

I M

K

N

I

X

U

A

4

5

1

L

M

P

N

I

X

U

A

I

O

G

C

R

D

X

I

E

V

U

A

R

X

A

D

V

3

4

6

4

3

1

L

P

R

L

K

R

M

P

N

T

U

O

X

U

A

C182

VCCD_2.9V

3 1 B

Q D N G

P E E K _

Q

R

R T

W

N

P

I

0 1 L

0 1 C

7

5

6

D

VDD34

D

V

VDD12

UP_CLK UP_RST

SIM_IO SIM_RST SIM_CLK

LED2_DRV LED1_DRV RING_DRV

VIB_DRV

VLDO_7 VLDO_6 VL5S_B VL5S_A VLDO_5 VL4S_B VL4S_A VLDO_4 VLDO_3 VLDO_2 VLDO_1

CSN_PSC

SCLK_PSC

SDO_PSC

SDI_PSC

CH_BDRV

CH_ISEN

CH_RES

RTC_ALMN

D V S R

9 L

1

UP_IO

VRTC

VACC

VEXT VBAT

VREF CREF

Q103

VBAT

C162

C11 J13

N9

SIMCLK

R10

SIMRST

P10

SIMDATA

J11

SIM_IO

K11

SIM_RST

K14

SIM_CLK

K12

VSIM

NC3 NC9

VSIM

H11 G12 G13

KEY_BL1

F13 F15 C12 A14 C9 D10 B10 B11 A12

BAND_SEL1

B12 A13 J12 G11 F14

K8 L8 N7 M7

E14 E13 E11 F12 D14

D15 E10 A10 E9 H10

VBAT

UP_CS UP_SCLK UP_SDO UP_SDI

VREF

RTCALARM

VCCB_2.9V

VIB_DRV

C168

VCCA_2.9V

C170

VRF_2.9V

C171

VCCD_2.9V

C172

VCCD_1.8V

C173

C174

VRTC_3V

C175

R157

1

M300

2

C179

VIB_EN INTRQ PWR_KEEP RST

TP2

KEY_COL(2)

3

2

KEY_ROW(0)

C155

5

1

5

1

4

2

6

N

K

G

R

P

1

2

3

4

D

S

D

S

D

V

K

Q

L

A

C

O

N

_ D I

E

C

A

T

O

M

D

R

X

6

4

1

R

N

D

M

K 2 3 _ K L C

5

1

3

1

5

6

8

1

4

3

K

B

F

E

N

J

N

J

M

2

1

2

1

3

1

2

R

C

D

O

U

I

S

D

_

C

P

V

H

D

_

D

V

N

G

N

F

2

1

U

O

W

B

_

S

_

2

T

_

R

1

D

E

T

R

7

V

S

W N I

S

E

C

W

S

P

D

R

N

4

5

9

7

0

3

9

5

1

L

P

K

M

C

N

T

N

C

N

O

M

I

_

R

P

G

M

I

S

3

J

W

1

D

P K L

C

3-3