Samsung SGH-F880 Service Manual

GSM TELEPHONE

SGH-E880

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-E880 Specification

1-1. GSM General Specification

GSM900
Phase 1

Freq. Band[MHz]

Uplink/Downlink

ARFCN range 1~124

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

Mod. Bit rate/

Bit Period

Time Slot

Period/Frame

Period

Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK

MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30d Bm~0dBm

890~915
935~960

270.833kbps

3.692us

576.9us

4.615ms

EGSM 900

Phase 2

880~915
925~960

0~124 &

975~1023

270.833kbps

3.692us

576.9us

4.615ms

DCS1800

Phase 1

1710~1785
1805~1880

512~885 512~810

270.833kbps

3.692us

576.9us

4.615ms

PCS1900

1850~1910
1930~1990

270.833kbps

3.692us

576.9us

4.615ms

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 -

1-1

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SGH-E880 Specification

1-2. GSM TX power class

TX Power

control level

5 33±2dBm

6 31±2dBm

7 29±2dBm

8 27±2dBm

9 25±2dBm

10 23±2dBm

11 21±2dBm

GSM900

TX Power

control level

0 30±3dBm

1 28±3dBm

2 26±3dBm

3 24±3dBm

4 22±3dBm

5 20±3dBm

6 18±3dBm

DCS1800

TX Power

control level

0 30±3dBm

1 28±3dBm

2 26±3dBm

3 24±3dBm

4 22±3dBm

5 20±3dBm

6 18±3dBm

PCS1900

12 19±2dBm

13 17±2dBm

14 15±2dBm

15 13±2dBm

16 11±3dBm

17 9±3dBm

18 7±3dBm

19 5±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

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

1-2

15 0±5dBm

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2. SGH-E880 Flow Chart of Troubleshooting

2-1.Baseband

2-1-1. Power ON

'Power On' does not work

Check the current consumption

Yes

Current consumption

>= 100mA

Yes

Check the Vbat Voltage

Voltage >=3.3V

Yes

Check the pin of U100

C113 >= 1.8V

Yes

C116 and C117

=2.8V

Yes

No

No

No

No

Yes

Download again

Charge the Battery

Check U100 and C113

C118 = 1.5V

No

Check U100 and C118

Checktheclocksignalatpin#6ofOSC700

Freq = 13MHz

Vrms >=300mV

Vpp≒900mV

Yes

Check the initial operation

END

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This Document can not be used without Samsung's authorization

No

Checktheclockgeneration

circuit

(related to OSC700)

2-

11

SGH-E880 Flow Chart of Troubleshooting

CSP2600

VCCA_2.9

VCCD_2.9

VCCD_1.8

VCCD_2.9 VBAT

DSP_DB(0:15)

DSP_AB(0:8)

DSP_IO

DSP_RWN

FLASH_RESET

SVC_LED

PCS_RX_EN

TX_BAND_SEL

PAC_EN

SERDAT
SERCLK

C102

C103

4
B

L
T
C
O
_
D
N
G

U100

P

N

T

T

U

U

O

O

X

X

U

U

A

A

3

3

1

1
L

K

P

N

T

T

U

U

O

O

X

X

U

U

A

A

AGND

0

1

3

1

1

5

1

4

2

6

1

6

4

6

1

4

N

A

J

L

C

P

M

P

R

K

G

F

L

V

T

D

C

N

O

G

_
D
D
V

P

M

G

C

E

V

R

X

V

V

3

3

1

1
R

M

C121

AGND

2

1

2

4

3

B

V

B

D

D

S

S

S

S

O

D

D

D

D

D

I

S

S

S

S

D

D

N

D

_

N

V

V

V

V

V

V

V

D

G

G

D
V

K

Q

L

N

A

C

K

I

O

N

N

G

_

C

D

D

R

7

E

I

E

I

I

I

C

C

C

A

A

A

T

A

R

O

N

M

D

V

D

D

R

D

X

5

4

6

6

4

4

6

4

1

1

L

P

P

R

N

R

D

M

R

K

C

Q

2

A

M

3

_

N

K

E

M

L

3

O

C

1

X

K
L
C

0

5

5

3

1

3

5

1

6

8

1

1

1

1

3

N

E

B

F

K

M

C

J

N

B

1

1

2

1

2

5

3

7

R

Q

6

C

C

D

D

D

D

O

U

D

I

D

S

S

D

D

D

D

_

C

N

D

P

P

V

V

V

V

D

H

G

_

_

V

_

D

D

D

D

V

N

N

N

G

G

G

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

ADC_AUX2
ADC_AUX1

N

N

E

P

F

1

2

_

E

U

RTC_ALMN

O

G

E

W

W

B

_

K

N

S

S

_

T

E

R

_

_

_

Q

1

R

E

T

D

R

_

R

R

R

S

W

N

T

B

O

I

E

S

W

I

W

W

N

M

D

P

R

P

V

P

P

I

0

9

7

9

9

3

5

4

0

1

L

L

1

1

1

K

P

M

L

N

C

C

T

F

N

N

N

U

O

O

I

B

_

_

_

_

R

G

P

I

1

S

J

W

W

D

P

S
P

RST

EAR_ADC

2

6
C
N

D2

RTX_IP

RTX_IN
RTX_QP
RTX_QN

DB15

D3

DB14

E3

DB13

E2

DB12

F3

DB11

F2

DB10

F1

DB9

F4

DB8

G4

DB7

G3

DB6

H5

DB5

J6

DB4

J5

DB3

K3

DB2

K2

DB1

K1

DB0

K5

AB8

K7

AB7

M1

AB6

M2

AB5

N2

AB4

N1

AB3

L5

AB2

P1

AB1

K6

AB0

L3

I|O

L2

RWN

R3

RESETN_CSP

E6

OCTL0

C5

OCTL1

F5

OCTL2

E5

OCTL3

A4

OCTL4

G6

OCTL5

B3

OCTL6

A3

OCTL7

B1

SERLE1

A2

SERLE2

C1

SERDA

C2

SERCK

C
F
A

9
D

AFC

VAPC

C122

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)

RF_EN

SERLE

R110

0

0

0

7

8

9

1

1

7

9

8

1

J

K

H

H

H

J

J

J

5

7

0

1

2

3

5

4

6

1

1

1

1

1

1

1

1

C

S

S

S

S

S

S

S

S

N

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

G

G

G

G

G

G

G

G

N

P

1

2

N

P

F

F

I

Q

I

Q

E

E

X

X

X

X

T

T

T

T

R

R

P

X

X

X

X

A

A

X
T

R

R

R

R

R

R

7

6

6

7

7

6

5

E

B

B

D

C

D

C

3

0

7

8

1

9

1

6

8

9

1

7

D

F

F

F

G

G

G

G

H

F

3

4

2

3

5

6

7

8

9

1

S

S

S

S

S

S

S

S

S

C

D

D

D

D

D

D

D

D

D

D
A

N

N

N

N

N

N

N

N

N

_

G

G

G

G

G

G

G

G

G

X
U
A

N

P

N

N

P

P

T

T

N

P

P

N

B

A

A

B

U

U

N

N

T

T

T

T

N

N

I

I

O

O

I

I

U

U

U

U

X

X

C

C

C

C

I

I

I

I

O

O

U

O

U

O

A

A

A

A

A

A

M

M

M

M

2

1

4

5

2

2

5

5

4

4

1

1

1

1

1

1

1

1

1

1

L

P

P

P

N

R

N

N

M

M

P

P

P

P

P

N

N

N

N

N

T

A

T

B

N

N

A

B

N

N

I

I

I

I

T

T

U

T

T

U

X

C

X

C

I

U

U

I

U

U

O

O

U

U

O

O

M

O

C

O

C

M

A

I

A

I

A

A

A

A

M

M

C104

C105

C11

VDD34

J13

VDD12

N9
R10
P10

UP_IO

J11
K11
K14

K12

VSIM

H11

VRTC

G12
G13
F13
F15
C12
A14
C9
D10
B10
B11
A12
B12
A13
J12
G11
F14

VACC

K8
L8
N7
M7

E14

VEXT

E13

VBAT

E11
F12
D14

D15
E10
A10

VREF

E9

CREF

H10

C119

SIM_IO
SIM_RST
SIM_CLK

VSIM

R111

YMU_VIB_EN
INTRQ
PWR_KEEP

R105

UP_CS
UP_SCLK
UP_SDO
UP_SDI

R112

SIMCLK
SIMRST
SIMDATA

KEY_BACKLIGHT_1

LCDVIB_EN

DCS_TX_EN
GSM_TX_EN

VBAT

EAR_ADC

R107

VBAT

R108

R109

VCCB_2.9

C106

RTCALARM

CN100

6

6

11

5

22

5

4

334

G78GG

G

910

VCCB_2.9

VCCA_2.9

VCCD_1.8

C114

C112

C113

R104

BP_VF

U101

C124

R106

R113

C107 C108

C115

VCCB_2.9

C123

C110

C109

VRTC_1.5

VCCD_1.5

VCCD_2.9VRF_2.9

C117

C116

C118

R103

POS

1

C111

BAT100

NEG

2

VRF_2.9

L700

C706

CLK13M_RF CLK13M_TR

R700

AFC

C705

R701

R702

5

BUFFIN

GND

34

OUT

VCC

BUFFOUT

VCONT

2

OSC700

6

1

C707

C708

R704

R703

C709

C710

CLK13M_MC

CLK13M_YMU

C711

2-

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2

2-1-2. Initial

SGH-E880 Flow Chart of Troubleshooting

Initial Failure

Yes

The Voltage @ C113 is 1.8V

&

The Voltage @ C113 is 1.8V

Yes

The Voltage @ R209

"Low→High"

Yes

There is 32.768kHz wave

form at the C216 & C217

Yes

The Voltage @ R107

is "High"

No

No

No

No

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

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

Check the U200

Check the U200

Check the U100

Check the U100

Yes

The voltage is "High" at

the C115,C116,C117

Yes

LCD display is O.K

Yes

Sound operation O.K

Yes

END

No

No

No

Check the U100

Check the LCD part

Check the Audio part

2-

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3

SGH-E880 Flow Chart of Troubleshooting

VCCD_1.5

VCCD_1.8

VRTC_1.5

CP_WEN
CP_OEN

FLASH_RESET

ROM1_CS

ONENAND_CS

RAM1_CS

LCDC_CS

YMU_CS
LOWER_BYTE
UPPER_BYTE

D(0:15)

A(0:24)

C201

C203

C200

0

1

2

1

8

7

1

1

1

1

2

R

F

F

2

1

D

U

U

C

C

_

_

_

A

A

A

N

N

S

S

D

S

S

D

B7

SIMDATA

USB_SUSP

USB_VPI

USB_VMI
USB_VPO
USB_VMO
USB_OEN

USB_DATA

UP_SCLK

UP_SDO

DEBUG_RI
DEBUG_DSR
DEBUG_DTR
DEBUG_RTS
DEBUG_TXD
DEBUG_RXD
DEBUG_CTS

DEBUG_DCD

SDS_TXD
SDS_RXD

KEY_COL(0:4)

PSW1_BUF

KEY_ROW(0:4)

SIMCLK

SIMRST

UP_SDI

UP_CS

A_A0

C8

A_A1

D8

A_A2

A6

A_A3

C6

A_A4

C5

A_A5

D7

A_A6

E7

A_A7

C4

A_A8

C2

A_A9

A3

A_A10

B3

A_A11

B1

A_A12

D6

A_A13

D5

A_A14

D3

A_A15

E8

A_A16

F8

A_A17

E6

A_A18

D2

A_A19

E4

A_A20

E3

A_A21

F5

A_A22

F4

A_A23

F3

A_A24

F2

PIO35_A_A25_BOOTSEL

A8

A_D0

E9

A_D1

F9

A_D2

G10

A_D3

G11

A_D4

F11

A_D5

E11

A_D6

G12

A_D7

D11

A_D8

E12

A_D9

C12

A_D10

A12

A_D11

F12

A_D12

D12

A_D13

E13

A_D14

D13

A_D15

D14

A_WEN

B14

A_OEN

E14

PIO30_WAITN

H14

FLASHRSTN

A14

A_CS0N

C15

A_CS1N

G14

A_CS2N

J14

A_CS3N

D15

A_CS4N

C16

A_CS5N

F15

A_CS6N

B17

A_CS7N

H16

A_BE0N

A17

A_BE1N

K
L
C
M

I
S

4
P

KEY_COL(0)

KEY_COL(1)

KEY_COL(2)

KEY_COL(3)

KEY_COL(4)

V

V

V

P

I

S

O

I

U

P

M

P

T

S

V

V

V

S

_

_

_

_

R

B

B

B

B

M

S

S

S

S

I

U

S

U

U

U

_

_

_

_

_

7

4

2

1

9

O

I

0

1

1

1

0

O

O

M

O

O

O

I

I

I

I

I

I

P

P

S

P

P

P

9

5

2

7

8

9

1

1

1

1

T

P

B

D

C

C

KEY_ROW(0)

KEY_ROW(1)

KEY_ROW(2)

KEY_ROW(3)

KEY_ROW(4)

A(0)

A(1)

A(2)

A(3)

A(4)

A(5)

A(6)

A(7)

A(8)

A(9)

A(10)

A(11)

A(12)

A(13)

A(14)

A(15)

A(16)

A(17)

A(18)

A(19)

A(20)

A(21)

A(22)

A(23)

A(24)

D(0)

D(1)

D(2)

D(3)

D(4)

D(5)

D(6)

D(7)

D(8)

D(9)

D(10)

D(11)

D(12)

D(13)

D(14)

D(15)

2

1

2

1

8

1

1

9

1

8

1

8

7

1

M

M

M

M

M

L

H

L

K

J

T

4

7

8

5

3

2

1

0

9

6

D

1

1

1

1

1

1

1

1

1

S

_

S

S

S

S

S

S

S

S

S

S

A

S

S

S

S

S

S

S

S

S

V

D

V

V

V

V

V

V

V

V

V

D
V

A

O

N

T

E

A

M

D

O

V

D

2

_

_

_

3

4

S

0

0

0

B

B

B

2

1

I

O

S

O

S

S

O

0

_

I

I

I

0

U

U

U

0

0

O

P

P

P

I

_

_

_

D

_

D

K

_

0

_

P

7

6

3

0

X

L

0

0

X

S

_

3

3

1

R

R

T

C

R

F

S

O

O

O

O

T

T

S

I

I

P

P

P

P

I

I

P

S

S

S

D

S

P

P

R

D

R

3

7

6

4

2

4

6

3

2

2

3

1

1

1

T

P

P

R

R

U

N

N

F

E

E

8

1

0

1

1

H

H

8

7

S

S

S

S

V

V

8

8

3

2

8

9

1

1

8

9

7

1

2

1

N

A

G

H

M

G

H

H

A

V

V

6

2

5

3

4

4

5

6

1

8

7

E

S

E

S

S

E

S

S

S

E

E

S

S

S

S

S

S

R

R

R

R

R

V

V

V

V

V

V

O

O

O

O

O

C

C

C

C

C

_

_

_

_

_

D

D

D

D

D

D

D

D

D

D

V

V

V

V

V

U200

X

X
T

R

4

9

A

A

4

8

2

8

D

D

2

2

O

4

3

2

1

0

O

I

I

R

R

Q

Q

I

D

D

D

I

D

D

P

P

_

_

R

R

_

R

R

R

R

R

_

I

I

1

2

0

B

B

B

0

B

B

_

_

4

4

D

1

0

0

X

X

R

T

1

3

M

M

Y

Y

Y

S

Y

Y

1

O

O

X

C

T

I

E

E

E

I

E

E

X

P

K

K

K

R

D

C

P

K

K

T

6

5

4

6

5

7

7

6

6

8

7

J

J

J

J

J

1

L

1

K

N

M

R

R

C205

C206

C204

8

2

3

8

1

8

2

1

1

5

1

8

1

W

U

W

T

U

U

B

B

G

8

7

3

6

5

4

3

2

1

1

1

1

1

1

1

E

E

E

_

_

_

_

_

_

R

R

R

8

8

8

8

8

8

O

O

O

P

P

P

P

P

P

1

1

1

1

1

1

C

C

C

_

_

_

_

_

_

_

_

_

D

D

D

O

O

O

O

O

O

I

I

I

I

I

I

D

D

D

_

_

_

_

_

_

V

V

V

D

D

D

D

D

D

D

D

D

D

D

D

V

V

V

V

V

V

F
U
B
_
1

D

W

K
L

M

S

C

P

C

_

_

_

I

I

1

0

C

C

1

1

9

8

6

7

5

M

D

D

D

M

D

D

D

D

_

_

R

R

R

R

R

R

R

8

8

B

B

B

B

B

B

B

3

0

Y

Y

Y

Y

Y

Y

Y

O

O

I

E

E

E

I

E

E

E

E

P

K

K

K

K

P

K

K

K

3

5

2

4

3

6

4

1

6

1

1

H

H

H

H

H

G

G

J

J

N
E
_
M
S

C207

8

4

2

6

6

1

1

9

1

1

6

1

1

1

4

1

B

B

P

L

L

D

F

C

D

C

B

3

2

2

1

9

0

8

7

6

5

4

_

_

1

1

_

1

_

_

_

_

_

8

_

_

8

_

8

8

8

8

8

8

8

8

8

P

P

P

P

P

P

P

P

1

P

P

1

P

1

1

1

1

1

1

_

1

1

_

1

_

_

_

_

_

_

_

_

_

O

O

O

O

O

O

O

O

I

I

I

I

I

I

I

I

O

O

O

_

I

I

_

I

_

_

_

_

_

_

_

_

_

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

V

V

V

V

V

V

V

V

V

V

V

N

N

N

E

E

E

_

_

_

0

1

0

3

2

D

T

T

T

T

T

T

A

A

A

A

M

A

A

D

C

D

D

D

D

D

N

_

_

_

_

_

_

_

I

I

I

I

I

I

I

T

M

C

C

C

C

C

C

C

U

R

M

M

M

M

M

M

M

A

O

_

_

_

_

_

_

_

L

2

C

C

0

9

3

2

1

4

3

3

A

T

T

4

3

4

2

2

2

2

C

C

R

R

O

O

O

O

O

O

O

S

T

I

I

I

I

I

I

I

2

1

P

P

P

R

O

P

P

P

P

X

X

4

4

4

6

7

2

3

9

5

3

9

1

1

1

1

1

1

1

1

1

1

1

L

L

L

L

F

K

N

H

H

G

M

L

L

T

P

E

N

N

E

E

E

E

E

E

D

S

S

_

_

D

E

O

_

_

_

T

L

H

M

T

T

B

B

S

S

_

U

_

U

S

V

A

P

T

O

O

L

U

B

_

_

F
_

R

O

I

A

M

D

E

A

U

C

OSC200

A

C216

8
1

4

G

B

1

C

_

T

8

R

P

V

1
_
O

I
_
D
D
V

Q
E

P

R

E

K

E

L

K

C

R

S
Y

W

S

P

_

_

0

9

2

1

O

O

I

I

P

P

9

5

1

1

P

P

2

4

5

1

1

1
G

W

W

I

S

N

K

T

M

C

S

T
E
R

SPTXD1_I2SD_PIO16

CPTSTSTOP_CKO

6
4
O

I
P
_
1

0

6

5
1

2

2

M

O

O

O

I

I

I

W

P

P

P

P

7

6

9

5

1

1

1

G

V

V

U

2
1
R

N
T
S
R
T

CKO_IACK
IOBIT1_PIO06
IOBIT0_PIO05
SPFS1_PIO15

SPRXD1_PIO17
SPCLK1_PIO18

ATDO_PWM2

ATDI_RTS1
ATCK_CTS1

ATMS_PIO45

PIO31_IRQ6
PIO00_IRQ5

8

7

2

2

O

O

I

I

P

P

7

9

1

1
U

W

C217

C208

CLK13M_TR
TR_RST

T12

TDO

V14

TDI

U14

TCK

N12
N11
V12
N15
N16
M17
M18
T15

INT0

W6

IO

V6

RWN

P11

D_D15

N10

D_D14

N9

D_D13

N8

D_D12

P9

D_D11

P8

D_D10

R9

D_D9

T9

D_D8

T8

D_D7

U8

D_D6

V8

D_D5

R8

D_D4

T7

D_D3

R7

D_D2

T6

D_D1

U6

D_D0

R6

D_A8

N6

D_A7

V4

D_A6

T5

D_A5

U4

D_A4

V3

D_A3

W3

D_A2

W2

D_A1

V1

D_A0

V16

TEST3

T14

TEST2

U15

TEST1

T17
T13
L5
M4
K12
P12
P16

IRQ4

P18

IRQ3

P17

IRQ2

M19

IRQ1

M16

PIO47

J16
R14

PIO34

U18

PIO33

2
3
O

I
P

3
1
R

DSP_TMS
DSP_TDO
DSP_TDI
DSP_TCK

PCM_SYNC
PCM_IN
PCM_OUT
PCM_CLK
DSP_INT
DSP_IO
DSP_RWN

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)

CP_TDO
CP_TDI
CP_TCK
CP_TMS
NAND_INT

LCDC_INT
HALL_SENSOR
YMU_IRQ
JACK_IN
INTRQ

M_HOLD
USB_CON

AMP_SHDN

DLC_DETECT
EAR_SWITCH

CAMPWR_EN

BL_LED_EN

XOENAQ
PWR_KEEP
CLK32K
RTCALARM

R209

C218

R210

C219

DSP_DB(0:15)

DSP_AB(0:8)

R208

VCCD_2.9

U205

5

1

R201

VCC

B

4

Y

2

A

GND

R202

3

R218

VCCD_2.9

2

1

Q201

BP_VF

3

JIG_ON

R203

TR_RSTRST

R216

FLASH_RSTFLASH_RESET

FLASH_RST_M

C220

2-

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4

2-1-3. Sim Part

"Insert SIM is displayed on the LCD

SGH-E880 Flow Chart of Troubleshooting

Yes

The Voltage @

the pin#1 of CN100

is 2.8V

Yes

There is any signal

pin#2,#3,#4 of CN100

Yes

Check the SIM Card

END

No

No

Resolder or change U100

Check the U100 & U200

2-

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This Document can not be used without Samsung's authorization

5

SGH-E880 Flow Chart of Troubleshooting

CSP2600 SIM PART

U100

0

3

1

1

C

B

7
6

D
D
V

5
D

VDD34

D
V

VDD12

UP_CLK
UP_RST

UP_IO

SIM_IO
SIM_RST
SIM_CLK

VSIM

C11
J13

N9
R10
P10
J11
K11
K14

K12

SIM_IO
SIM_RST
SIM_CLK

VSIM

C104

C105

SIMCLK
SIMRST
SIMDATA

C106

CN100

6

6

5

5

4

G78GG

910

22

G

11

334

C109 C110

C107 C108

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6

2-1-4. Microphone Part

Microphone does not work

SGH-E880 Flow Chart of Troubleshooting

Yes

The assembled status of

microphone is O.K

Yes

Check the reference voltage on mic path

Yes

The Voltage @ C417 is

about 2.2V ±10%

Yes

The microphone is O.K

Yes

END

No

No

No

Reassembled the microphone

Resolder or change

C417,R413,R418,R442

Check U100

2-

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7

SGH-E880 Flow Chart of Troubleshooting

MICROPHONE PART

MICINP

MICOUTP

MICINN

MICOUTN

AUXOUTP

AUXOUTN

AUXINP

AUXINN

R420

R422

AGND

C440

C441

R409

AGND

AGND

C410

R411

C412

R421

R423

R442

R410

R412

VCCA_2.9

C418

C419

AGND

C417

C411

C413

R413

R418

C414

R419

R414

C420

C415

AGND

C416

C421

C422

AGND

C435

MIC400

MP3_MIC

ZD407

AGND

U100

P

P

P

N

P

N

B

B

A

A

T

T

T

T

U

U

U

U

O

O

O

O

A

A

A

A

2

2

1

2

1

1

1

1

P

P

N

R

P

P

N

A

B

A

T

T

T

U

U

U

O

O

O

A

A

A

N

T

T

P

N

U

U

N

N

O

O

I

I

C

C

C

C

I

I

I

I

M

M

M

M

4

4

5

5

1

1

1

1
P

N

N

M

P

P

N

N

T

N

B

N

I

I

T

U

C

C

I

I

U

O

M

O

C

M

I

A

M

SAMSUNG Proprietary-Contents may change without notice

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N

T

T

P

N

U

N

N

O

I

I

X

X

X

U

U

U

A

A

A

3

5

4

1

1

1
L

K

M

N

P

U

M

O

C

X

V
X

U

V

A

3

3

1

1
L

R

N

O

I

K

G

G

R

D

D

C

I

I

I

I

E

E

A

A

A

A

R

R

D

D

D

D

V

V

4

6

6

4

3

4

1
M

L

1

P

R

R

M

CSP2600 AUDIO PART

P

P

N

N

N

T

T
U
O
C

I
M

T

N

N

I

I

U

U

X

X

O

O

U

U

X

X

A

A

U

U

A

A

C121

AGND

2-

8

2-1-5. Speaker Part

There is no sound from the Speaker

SGH-E880 Flow Chart of Troubleshooting

Check the

U302, U401

The terminal of Speaker is

There is any signal @ the

O.K

Yes

V502,V503

Yes

There is any signal

@ R446, R449

Yes Yes

The pin#10 of

U400 is "Low"

Yes

Thetypeofsound

from the Speaker is

No

No

No

Melody

Replace the Speaker

Check FPCB or Replace CN500

No

There is any signal

@ R402, R437

No

The pin#10 of

U400 is "High"

NoNo

Check the

U100

Yes

Check the U200

Check the U400

END

Yes

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9