Samsung SGH-S3030, S3030 TSHOO

10. Flow Chart of Troubleshooting

10-1-1.

Power ON

Power On' does not work

'

Check the current consumption

Yes

Current consumption

Check the Vbat Voltage

Voltage

Check the pin of UCD3

>= 100

Pin#A6
Pin#D6

mA

Yes

>=3.3V

Yes

:1.8V
:2.9V

Yes

00

No

No

No

Check UCD300and

Download again

Charge the Battery

C341,

C340

Pin#M7

=2.9V

in#L8

P

=1.8V

Yes

Check the clock signal at pin#12of RFT100

Freq

Vrms

Vpp

Check the initial operation

≒

=26
>=300

1000

END

MHz

mV

mV

Yes

No

Yes

No

Check UCD300 and

C301,C303

C300,

Check the clock generation circuit

relatedtoOSC

(

Pin9,Pin10,

100,

)

10-1

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

OSC300

L503

L501

C300

C301

C303

C319

C321

C320

C401

C400

ZD506

ZD505

C

C

C

C

C

3

3

3

3

3

3

3

0

2

2

9

3

2

2

5

VCCD_2.9V VCCA_2.8V

VRF_2.9V

C319

C
_
V
2
.
1
_
D
C
C
V

4
3
3
C

5
3
3
C

TH300

R306

V
5
.
1
_
F
R
V

S
_
A
E
R
O
C
_
O
D
L
V

DCDC_OUT

GND_SW

ICHRG

C308

R310

HI_MONO_OUT_N

HI_MONO_OUT_P
LO_MONO_OUT_N
LO_MONO_OUT_P

MONO1_IN_N
MONO1_IN_P
MONO2_IN_N

MONO2_IN_P
MONO_OUT_N
MONO_OUT_P PSW1_BUF

RADIO_L

RADIO_R

STEREO_OUT_L
STEREO_OUT_R

PWR_KEEP

JIG_ON

PWR_ON

C320

C321

KEY_SLIDE_EN

V

V

V

8

9

8

.

.

.

A
_
V
2
.
1
_
D
C
C
V

1

2

2

_

_

_
A

D

D

V

V

C

C

C

8

8

.

.

C

C

C

PAM_VRAMP

2

1

V

V

V

_

_
T

D

B

S

V

V

R321

7

6

8

3

3

3

3

3

3

C

C

C

R307

C309

R314
R316

KEY_BL

RXTX_DATA

RXTX_EN

RTX_I_N

RTX_I_P
RTX_Q_N
RTX_Q_P

TXPSTB

9
3
3
C

C304

A4

ADC_AUX1

B4

ADC_AUX2

B3

ADC_AUX3

A2

ADC_AUX4

B1

ADC_AUX5

C1

ADC_AUX6

C2

ADC_AUX7

D1

ADC_AUX8

D2

ADC_AUX9

M3

AOCTL0

M2

AOCTL1

L3

AOCTL2

L2

AOCTL3

R13

HI_MONO_OUT_N

R14

HI_MONO_OUT_P

R12

LO_MONO_OUT_N

P11

LO_MONO_OUT_P

G13

MONO1_IN_N

J13

MONO1_IN_P

G12

MONO2_IN_N

G11

MONO2_IN_P

N15

MONO_OUT_N

L13

MONO_OUT_P

K15

STEREO1_IN_L

K14

STEREO1_IN_R

H11

STEREO2_IN_L/M

J12

STEREO2_IN_R/M

M14

STEREO_OUT_L

M13

STEREO_OUT_R

P6

PWR_KEEP

E5

PWR_SW2

C4

PWR_SW1N

F14

MIC_B_D

J5

RAREF1

H6

RAREF2

J6

RAREF3

D7

LED1_DRV

C7

LED2_DRV

D9

LED3_DRV

N2

RXTXDATA

R2

RXTXEN

J4

RXTXIN

J3

RXTXIP

K3

RXTXQN

K4

RXTXQP

H5

TXP

L5

TXPSTB

P13

USB_CARKIT_D_N

P12

USB_CARKIT_D_P

C10

USB_CHRG

A6

VLDO_1

D6

VLDO_2

E14

VLDO_AUD

F12

VLDO_AUX1

D14

VLDO_AUX2

C15

VLDO_COREA

B15

VLDO_COREA_S

C12

VLDO_COREB

D13

VLDO_COREC

0

1

4

4

3

3

C

C

6
K

C311

C

C

C

C
3
1
2

C323C324

C340

3

3

3

3

1

1

C

C

C

2

3

0

3

3

3

2

3

4

9

1

1

C314

U
C
D
3

0
0

C

C

C

R

3

3

3

3

3

3

3

2

8

5

4

1

C300

C301

5

4

2

0

5

1

7

4

1

2

5

8

1

1

1

1

1

1

L

P

N

K

K

M

L

P

D

C

N

N

V

L

B

D

D

A

D

D

C

R

IO

1

T

D

D

B

D

D

D

D

K

_

D

1

C

V

V

V

D

P

D

D

D

D

D

V

O

S

V

V

D

V

D

A

D

V

_

V

D

D

V

D
V

B

S

S

S

S

Q

S

S

S

D

D

D

D

D

D

D

D

D

D

D

S

S

S

N

N

N

N

N

N

N

N

N

N

S

S

S

G

V

G

G

G

G

G

G

G

G

G

V

V

1

0

1

0

6

1

8

9

7

4

6

9

8

1

1

1

1

F

F

F

F

F

K

K

G

K

F

F

E

N

C
3
3
7

VCCD_1.8V

C302

IO
_
D
D
V

UCD300

S

S

S

D

D

D

N

N

N

G

G

G

8

7

G

G

L
3
0
1

C

C

3

3

2

3

8

0

C

C

3

3

U

3

0

6

4

2
0
2

C303

CNTL_DAT_CSP

CNTL_EN_CSP

L

R

R

T

U

U

C

R

C

K

C

C

S

O

P

P

H

H

A

S

S

S

S

S

D

D

D

D

D

N

N

N

N

N

G

G

G

G

G

0

9

8

9

7

1

G

H

H

H

G

_

S

_

_

V

S

S

_

S

S

S

D

D

D

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

N

N

N

G

G

G

G

G

G

G

G

G

G

G

5

0

4

1

0

0

1

7

3

7

8

9

1

1

1

1

1

1

J

J

J

E

A

M

J

C

A

H

N

M

VIB_RNG_EN

C
S
P
_
D
N
G

C

C

C107

1

1

0

0

1

0

R

L
1
1
4

C312

C318

C329

1

0

DCDC_OUT

GND_SW

VBAT

1
1
4

R115

R
1
0
2

T

F

R

C
1
0
9

C
1
0
6

L

L

L

L

1

1

1

1

0

0

0

0

6

3

5

8

L104

L107

R313

1

POS

BAT300

NEG

2

C324

C330

C331

OSC100

C122

R100

R103

C108

B6

SIM_CLK

SIM_CLK

E6

SIM_IO

SIM_RST

UP_CLK

UP_IO

UP_RST

VRFLDO_1

VRFLDO_2

HV_CHRG

BATKELV

FBSW

PSW1_BUF

RTC_CLK

SCUSTB

SCANTST

RING_DRV

VIB_DRV

SYSCLK

SYSCLKEN

RESETN

RESET_O

X1RTC

X2RTC

VAMICREF

VAMICRTN

VAREF

VAREFRTN

VAVCM

VAVCMLSH

VAVCMRTN

CSN_PSC

SCLK_PSC

SDI_PSC

SDO_PSC

VBAT12

VBATAUD

VBATAUX

VBATRF

VBATSW

C
S
P
_
D
N
G

3
5
1

1
F

A

SIM_IO

B5

SIM_RST

N5

SIM1_CLK

L6

SIM1_DATA

M6

SIM1_RST

E3

F3

F2

VREF

P1

CNTL_DAT_CSP

N9

CNTL_EN_CSP

D10

G5

AFC

N7

AINT

AINT

B11

F1

CREF

L9

DINT

DINT

B12

B13

LX

D3

L301

NC1

L10

R3

TP_RTC

P3

C9

VACC

A12

VEXT

F5

VRTC

C5

VSIM

N4

SCAN

K7

E8

E9

MOTOR_EN

L7

VIB_RNG_EN

N6

CLK26M_ABB

R6

CLK_EN_ABB

R4

FLASH_RST

P5

RST

G4

G3

K13

VAMICREF

K10

K12

J11

L14

C322

F13

K11

C325

M10

UP_CS

P10

UP_SCLK

R10

UP_SDI

M9

UP_SDO

B10

VBAT

C6

E13

E11

E2

A14

1

NC

2

NC

W
S
_
D
N
G

C333

C332

GND_SW

C
1
2
1

RTC_CLK
SCUSTB

0

L110

L112

L

L

L

1

1

1

1

1

0

1

3

9

VRF_2.9V

VSYN_2.8V

C310

C311

VBAT

C313

C314

VSIM_2.9V

C316

OSC300

C323

VBAT

C328

GND_SW

VRF_2.9V

R102

GSM_PAM_IN

DPCS_PAM_IN

GSM850_LNA_IN_N
GSM850_LNA_IN_P
GSM900_LNA_IN_N
GSM900_LNA_IN_P

DCS_LNA_IN_N
DCS_LNA_IN_P
PCS_LNA_IN_N
PCS_LNA_IN_P

C109

C106

VRF_2.9V

R100

C122

26MHZ_BT

R115

R103

RTX_I_P

RTX_I_N
RTX_Q_P
RTX_Q_N

C107

B
B
D
_
M
6
2
K
L
C

C101

3

4

OSC100

C100

R114

R101

R105

4

5

3

8

2

7

9

1

0

3

3

3

2

3

2

2

3

3

5

1

2

6

F

C

C

D

D

X

X

D

E

D

N

N

N

N

T

T

D

R

D

G

G

1

A

2

AX

3

B

4

BX

5

VDD1

6

RFT100

FSYS3

7

FSYS2

8

VDD2

9

XO

10

XOX

1
S

D

Y

N

S

G

F

2

1
1

2

1

C108

1

B
B
D
_
M
6
2
K
L

10-2

C

26

V

V

R

VDD4

25

RX1X

24

RX1

23

RX2X

22

RX2

21

GND

20

RX3X

19

RX3

18

RX4X

17

RX4

3
D

K

A

L

N

D

E

D

C

V

5

3

6

4

1

1

1

1

VRF_1.5V

T

K

E
L

D

C

B

B

B

S

S

S

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

VRF_1.5V

C121

Flow Chart of Troubleshooting

10-1-2.

Initial

The pin#A6 of UCD3

the pin#D6 ofUCD3

Is the pin#P5 of UCD300

Initial Failure

and

1.8V

2.9V ?

Low→High"

"

Yes

Yes

Yes

?

00 =

00 =

No

No

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

(

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

(

Check the UCD300

Check the UCD300

There is

forms at the

The voltage is"High" at the

C300,

LCD display is O.K

Sound is O.K

kHz wave

32.768

and

C323

Yes

C301,C302,C303

Yes

Yes

Yes

END

C324

No

Check the UCD300

No

Check the UCD300

No

Check the LCD part

No

Check the Audio part

10-3

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VRF_2.9V

C319

C
_
V
2

.
1
_
D
C
C
V

4
3
3
C

L503

L501

C301

C303

C319

C321

C320

C401

C400

ZD506

ZD505

C

C

C

3

3

3

0

2

3

2

2

9

VCCD_2.9V VCCA_2.8V

OSC300

C300

C

C

3

3
2

3

5

3

VCCD_1.8V

C311

C

C

C

C

C340

3

3

3

3

1

3

1

1

C

C

0

2

C323C324

C

2

3

3

3

3

2

3

4

1

9

1

C314

U
C
D
3

0
0

R

C

C

C

3

3

3

3

2

3

3

3

1

5

4

8

L
3
0
1

C

C

3

3

2

3

8

0

C

C

C

3

3

3
3
7

U

0

3

4

6

2
0
2

C300

C303

C302

C301

DCDC_OUT

ICHRG

C308

MONO1_IN_N
MONO1_IN_P
MONO2_IN_N
MONO2_IN_P

RADIO_L
RADIO_R

PWR_KEEP

JIG_ON

PWR_ON

C321

V
8

.
2
_
D
S
V

R321

7
3
3
C

GND_SW

KEY_SLIDE_EN

RXTX_DATA

V

V

V

8

9

8

.

.

.

1

2

2

_

_

_
A

D

D

C

C

C

C

C

C

PAM_VRAMP

V

V

V

8
3
3
C

R307

C309

R314
R316

KEY_BL

RXTX_EN

RTX_I_N

RTX_I_P
RTX_Q_N
RTX_Q_P

TXPSTB

9
3
3
C

TH300

R306

R310

HI_MONO_OUT_N

HI_MONO_OUT_P
LO_MONO_OUT_N
LO_MONO_OUT_P

MONO_OUT_N
MONO_OUT_P PSW1_BUF

STEREO_OUT_L
STEREO_OUT_R

C320

S
_
A

A
_

E

V

R

2

V

.

V

O

5

1

8

.

C

.

_

1

_

1

D

_

_

O

F

C

T

D

R

B

C

L

V

V

V

V

6

5

3

3

3

3

C

C

C304

A4

ADC_AUX1

B4

ADC_AUX2

B3

ADC_AUX3

A2

ADC_AUX4

B1

ADC_AUX5

C1

ADC_AUX6

C2

ADC_AUX7

D1

ADC_AUX8

D2

ADC_AUX9

M3

AOCTL0

M2

AOCTL1

L3

AOCTL2

L2

AOCTL3

R13

HI_MONO_OUT_N

R14

HI_MONO_OUT_P

R12

LO_MONO_OUT_N

P11

LO_MONO_OUT_P

G13

MONO1_IN_N

J13

MONO1_IN_P

G12

MONO2_IN_N

G11

MONO2_IN_P

N15

MONO_OUT_N

L13

MONO_OUT_P

K15

STEREO1_IN_L

K14

STEREO1_IN_R

H11

STEREO2_IN_L/M

J12

STEREO2_IN_R/M

M14

STEREO_OUT_L

M13

STEREO_OUT_R

P6

PWR_KEEP

E5

PWR_SW2

C4

PWR_SW1N

F14

MIC_B_D

J5

RAREF1

H6

RAREF2

J6

RAREF3

D7

LED1_DRV

C7

LED2_DRV

D9

LED3_DRV

N2

RXTXDATA

R2

RXTXEN

J4

RXTXIN

J3

RXTXIP

K3

RXTXQN

K4

RXTXQP

H5

TXP

L5

TXPSTB

P13

USB_CARKIT_D_N

P12

USB_CARKIT_D_P

C10

USB_CHRG

A6

VLDO_1

D6

VLDO_2

E14

VLDO_AUD

F12

VLDO_AUX1

D14

VLDO_AUX2

C15

VLDO_COREA

B15

VLDO_COREA_S

C12

VLDO_COREB

D13

0
4
3
C

VLDO_COREC

1
4
3
C

0

5

4

2

5

7
M

S

S

S

S

V

V

8

9

6

K

K

K

1

1

1

N

N

D

D

D

D

D

D

V

V

V

B

D

D

D

S

N

N

S

G

V

G

1

1

1

K

N

4

2

5

8

1

1

1

1

1

L

P

K

K

L

N

P

D

C

V

L

B

D

A

C

R

IO

IO

1

T

D

D

D

B

K

_

_

D

C

1

D

P

D

D

D

D

D

D

V

V

V

O

S

D

D

V

A

D

D

V

V

_

V

D

D

V

D
V

UCD300

L
T
C

R
K

O

P

S

S

S

S

S

Q

S

S

D

D

D

D

D

D

N

N

N

N

N

N

G

G

G

G

G

G

0

0

9

8

7

4

6

1

1

F

F

F

F

F

F

E

S

S

S
D
N
G

1
1
F

S

S

S

S

S

D

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

N

G

G

G

G

G

G

G

G

G

0

8

9

7

7

8

6

9

1

H

H

H

G

G

G

G

G

A

S

S

V

S

_

S

S

S

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

G

G

G

G

G

G

G

G

5

0

4

0

1

9

8

7

1

1

1

1

J

J

J

M

J

H

N

M

B6

SIM_CLK

E6

SIM_IO

B5

SIM_RST

N5

UP_CLK

L6

UP_IO

M6

UP_RST

E3

VRFLDO_1

F3

VRFLDO_2

F2

VREF

P1

CNTL_DAT_CSP

N9

CNTL_EN_CSP

D10

HV_CHRG

G5

AFC

N7

AINT

B11

BATKELV

F1

CREF

L9

DINT

B12

FBSW

B13

LX

D3

NC1

L10

PSW1_BUF

R3

RTC_CLK

P3

SCUSTB

C9

VACC

A12

VEXT

F5

VRTC

C5

VSIM

N4

SCAN

K7

SCANTST

E8

RING_DRV

E9

VIB_DRV

L7

VIB_RNG_EN

N6

SYSCLK

R6

SYSCLKEN

R4

RESETN

P5

RESET_O

G4

X1RTC

G3

X2RTC

K13

VAMICREF

K10

VAMICRTN

K12

VAREF

J11

VAREFRTN

L14

VAVCM

F13

VAVCMLSH

K11

VAVCMRTN

M10

CSN_PSC

P10

SCLK_PSC

R10

SDI_PSC

M9

SDO_PSC

B10

VBAT

C6

VBAT12

E13

VBATAUD

E11

VBATAUX

E2

VBATRF

A14

VBATSW

1

NC

2

NC

R

R

U

U

C

C

C

C

C

S

W

S

S

P

S

P

H

P

H

_

_

_

_

_

_

D

D

D

D

D

D

N

N

N

N

N

N

G

G

G

G

G

G

5

1

0

3

7

3

1

1

1

1

E

A

F

C

A

A

SIM_CLK

SIM_RST

SIM1_CLK
SIM1_DATA
SIM1_RST

CNTL_DAT_CSP
CNTL_EN_CSP

AINT

DINT

L301

TP_RTC

MOTOR_EN
VIB_RNG_EN

CLK26M_ABB

CLK_EN_ABB

FLASH_RST
RST

VAMICREF

C332

GND_SW

SIM_IO

C322

C325

UP_CS
UP_SCLK
UP_SDI
UP_SDO

C333

RTC_CLK
SCUSTB

VBAT

C323

VSYN_2.8V

C310

C313

C316

C328

VRF_2.9V

C311

C314

VSIM_2.9V

OSC300

VBAT

C312

DCDC_OUT

GND_SW

C318

C329

VBAT

GND_SW

R313

1

POS

BAT300

NEG

2

C324

C330

C331

10-4

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-1-3.

Sim Part

Insert SIM is displayed on the LCD

"

Yes

Check the SIM connector's

SIM

(

Check the voltage at pin#1

pin#2,#3,#4 of SIM

connection to

600)
SIM card

Yes

of SIM

600 >= 2.8V ?

Yes

Is there any signals

600 ?

No

No

No

Resolder or change SIM

Check the UCD300

Check the UCD3

600

00

Yes

Check the SIM Card

END

10-5

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

V

R

C

1

3

0

1

2

1

0

0

T

F

R

L

L

L

1

1

1

L112

0

0

0

6

3

5
L
1
1
4

L104

L107

F101F102

L119L120L121

1

0

0

M

A

P

C
1

R101

R105

1
4

7

C
1
0
9

R319

C
1
0
6

L
1
0
8

C308

R310

TH300

R306

C129

C130

C126

C128

R106

C125

C154

L

0
0
2
N
O
C
J

6

0

0

I

S

M

Z

Z

Z

D

D

D

6

6

6

0

0

0

1

9

2

Z

C

C

C

6

6

0

0

8

4

C

C

C

D

6

6

3

6

0

0

1

0

6

7

5

6

6

0
0

1
1
6

SIM600

6

1

6

A
N
T
1
0
1

SIM_IO SIM_CLK

C604

Z

Z

D

D

4

4

0

0

0

1

5

12
11
10

5

12
11
10

13GG14 15GG16

1

2

2
3344

7

7

8

8

9

9

C605

C607

C606

VSIM_2.9
SIM_RST

C608

R
3
2
1

UCD300

S

S

S

D

D

D

N

N

N

G

G

G

0

9

8

7

1

G

G

H

G

C311

C

C

C

3

3

3

1

1

1

3

2

0

C323C324

U
C
D
3
0

0

C

C

C

C

C

3

3

3

3

3

3

3

3

3

0

8

7

5

4

4

C303

CNTL_DAT_CSP

CNTL_EN_CSP

L

R

R

T

U

U

C

R

C

K

C

C

S

O

P

H

P

H

A

_

S

S

S

S

S

S

D

D

D

N

N

N

G

G

G

0

8

9

1

H

H

H

_

S

_

_

S

V

S

D

D

D

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

N

N

N

G

G

G

G

G

G

G

G

G

G

G

5

4

0

1

0

1

7

3

9

8

7

1

1

1

1

1

J

J

J

E

A

M

J

C

A

N

M

OSC300

L503

L501

C300

C301

C303

C319

C321

C320

C401

C400

ZD506

ZD505

VCCD_2.9V VCCA_2.8V

C300

VRF_2.9V

C319

C
_
V
2
.
1
_
D
C
C
V

TH300

R306

V
5
.
1
_
F
R
V

S
_
A
E
R
O
C
_
O
D
L
V

DCDC_OUT

GND_SW

ICHRG

C308

R310

HI_MONO_OUT_N

HI_MONO_OUT_P
LO_MONO_OUT_N
LO_MONO_OUT_P

MONO1_IN_N
MONO1_IN_P
MONO2_IN_N

MONO2_IN_P
MONO_OUT_N
MONO_OUT_P PSW1_BUF

RADIO_L

RADIO_R

STEREO_OUT_L
STEREO_OUT_R

PWR_KEEP

JIG_ON

PWR_ON

C320

C321

KEY_SLIDE_EN

RXTX_DATA

V

V

V

9

8

8

.

.

A

.

1

2

_

2

_

_

_

V
2

A

D

D

V

.

V

C

C

C

8

1

8

.

.

_

C

C

C

PAM_VRAMP

2

1

D

V

V

V

_

_

C

T

D

C

B

S

V

V

V

R321

4
3
3
C

7

6

5
3
3
C

8

3

3

3

3

3

3

C

C

C

R307

C309

R314
R316

KEY_BL

RXTX_EN

RTX_I_N

RTX_I_P
RTX_Q_N
RTX_Q_P

TXPSTB

9
3
3
C

C304

2

7

1

1

N

M

N

D

D

D

D

V

V

A4

ADC_AUX1

B4

ADC_AUX2

B3

ADC_AUX3

A2

ADC_AUX4

B1

ADC_AUX5

C1

ADC_AUX6

C2

ADC_AUX7

D1

ADC_AUX8

D2

ADC_AUX9

M3

AOCTL0

M2

AOCTL1

L3

AOCTL2

L2

AOCTL3

R13

HI_MONO_OUT_N

R14

HI_MONO_OUT_P

R12

LO_MONO_OUT_N

P11

LO_MONO_OUT_P

G13

MONO1_IN_N

J13

MONO1_IN_P

G12

MONO2_IN_N

G11

MONO2_IN_P

N15

MONO_OUT_N

L13

MONO_OUT_P

K15

STEREO1_IN_L

K14

STEREO1_IN_R

H11

STEREO2_IN_L/M

J12

STEREO2_IN_R/M

M14

STEREO_OUT_L

M13

STEREO_OUT_R

P6

PWR_KEEP

E5

PWR_SW2

C4

PWR_SW1N

F14

MIC_B_D

J5

RAREF1

H6

RAREF2

J6

RAREF3

D7

LED1_DRV

C7

LED2_DRV

D9

LED3_DRV

N2

RXTXDATA

R2

RXTXEN

J4

RXTXIN

J3

RXTXIP

K3

RXTXQN

K4

RXTXQP

H5

TXP

L5

TXPSTB

P13

USB_CARKIT_D_N

P12

USB_CARKIT_D_P

C10

USB_CHRG

A6

VLDO_1

D6

VLDO_2

E14

VLDO_AUD

F12

VLDO_AUX1

D14

VLDO_AUX2

C15

VLDO_COREA

B15

VLDO_COREA_S

C12

VLDO_COREB

D13

VLDO_COREC

B
D

S

S

S

0

1

4

4

3

3

C

C

N

S

S

S

G

V

V

V

1

1

9

8

6

1

K

K

K

K

N

C

C

C

C

C

3

3

3

3

3

3

0

2

2

3

3

2

2

5

9

VCCD_1.8V

C301

C302

0

5

4

5

1

4

2

5

8

1

1

1

1

1

P

L

K

K

L

N

P

D

C

L

V

D

A

B

D

R

C

IO

IO

T

1

D

K

D

B

D

D

_

_

C

D

1

P

D

V

D

D

D

D

D

O

D

S

V

V

V

D

D

A

V

D

D

V

V

_

V

D

D

V

D
V

S

S

S

S

S

S

S

Q

S

S

D

D

D

D

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

N

N

N

G

G

G

G

G

G

G

G

G

G

G

0

0

1

7

6

4

6

9

8

7

1

1

1

F

F

F

F

F

G

G

F

F

E

C
3
3
2

C
3
3
6

VIB_RNG_EN

C
S
P
_
D
N
G

C340

C

C

C

3

3

3

2

3

4

9

1

1

C314

L
3
0
1

C

C

3

3

2

3

8

0

U
2

0
2

B6

SIM_CLK

SIM_CLK

E6

SIM_IO

SIM_RST

UP_CLK

UP_RST

VRFLDO_1

VRFLDO_2

HV_CHRG

BATKELV

PSW1_BUF

RTC_CLK

SCUSTB

SCANTST

RING_DRV

VIB_DRV

SYSCLK

SYSCLKEN

RESETN

RESET_O

X1RTC

X2RTC

VAMICREF

VAMICRTN

VAREF

VAREFRTN

VAVCM

VAVCMLSH

VAVCMRTN

CSN_PSC

SCLK_PSC

SDI_PSC

SDO_PSC

VBAT12

VBATAUD

VBATAUX

VBATRF

VBATSW

C
S
P
_
D
N
G

3

5

1
1
F

A

SIM_IO

B5

SIM_RST

N5

SIM1_CLK

L6

UP_IO

SIM1_DATA

M6

SIM1_RST

E3

F3

F2

VREF

P1

CNTL_DAT_CSP

N9

CNTL_EN_CSP

D10

G5

AFC

N7

AINT

AINT

B11

F1

CREF

L9

DINT

DINT

B12

FBSW

B13

LX

D3

L301

NC1

L10

R3

TP_RTC

P3

C9

VACC

A12

VEXT

F5

VRTC

C5

VSIM

N4

SCAN

K7

E8

E9

MOTOR_EN

L7

VIB_RNG_EN

N6

CLK26M_ABB

R6

CLK_EN_ABB

R4

FLASH_RST

P5

RST

G4

G3

K13

VAMICREF

K10

K12

J11

L14

C322

F13

K11

C325

M10

UP_CS

P10

UP_SCLK

R10

UP_SDI

M9

UP_SDO

B10

VBAT

C6

E13

E11

E2

A14

1

NC

2

NC

C332

W
S
_
D
N
G

GND_SW

C333

RTC_CLK
SCUSTB

VRF_2.9V

VSYN_2.8V

C310

C311

C312

VBAT

C313

DCDC_OUT

C314

GND_SW

R313

VSIM_2.9V

C316

OSC300

C323

VBAT

C328

1

POS

C318

BAT300

NEG

2

C324

VBAT

C330

C329

C331

GND_SW

10-6

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-1-4.

Microphone Part

Microphone does not work

Is the assembled status of

microphone O.K?

Check the reference voltage on mic path

On booting,

VAMICREF

On booting,

between MIC+&MIC-

END

Yes

Yes

≒

Yes

2.5V ?

Yes

Yes

≒

1.9V?

No

No

No

Reassembled the microphone

Check UCD300

Resolder or change

L403, L404, R410, R409, R411, R414,
R416, R417, R418, R419, R423, R425

①

②

10-7

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization