Samsung S8500L, SGH-S8500L Troubleshooting

Level

8.

Block Diagram

8-1.

Repair

3

8-1

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

PCB Diagrams

8-2.

8-2-1.

Top

BOTHHOLE202

Level3Repair

V

V

2

2

0

0

1

0

R

R

2

2

0

1

1

1

R213

C200

R234

R

R

4

4

L203

2

2

6

7

Z
D
2

C433

0
6

H
D
C
2
0

ZD200 ZD201 ZD202

L204

TA200

R228

R
2
0
0
C
4
3
2

C
4
3
1

C
4

C

2

4

9

2
7

R425

0

Z
D
2
0
3

C

L

L

L

2

2

2

2

0

0

0

0

3

0

1

2

C206

C

R

R

2

2

2

U200

0

0

0

4

7

7

R229

C225

L206

C

C249

2
4
6

C226

L207

C247

C
4
2
8
C
2
3
2
C

HDC404

4
3
0

BOTHHOLE203

TP_8500B

TP_8500L

C

C

R

4

4

4

2

2

2
3

3

4

HDC403

C422

R415

C645
C646
C648

T

C425

R424

A
6

Z

0

D

9

6

C426

0
1

U
6
0
6

TP_8500

TP_8500T

BTC600

AP_JTAG_EXTRST

VBAT_GND

IF_SENSE

VF

NC202

V_EXT

RXD

TXD

NC201

V_BAT

NC200

C

C

C

1

1

1

6

6

6

C650

ZD401

BOTHHOLE200 BOTHHOLE201

R609

7

3

6

C651 C652

L106

C191

A
N
T
1
0
2

CN100

U609

L103

C119

A

A

N

N

T

T

1

1

0

0

1

0

AP_TDI

C
L
I

P
1
0
0

L
1
0
1

AP_GND500AP_GND501

VIO

AP_JTAG_MODE

AP_nTRST

AP_TCK

AP_TDOAP_TMS

TRST_N_MSM

USB_ID

C
L
I

P
1
0
1

BH200

BST_MODE

MSME_200

FONE_RST

MGND200MGND201

RTCK_MSM

BST_DEBUG

TCK_MSMTDI_MSMTDO_MSMTMS_MSM

BH204

C

C

3

3

6

7

9

0

C
6
0
2

B
A

Z

T

D

C

6

3

6

0

0

0

0

0

0

A
N
T
1
0
4

ZD205

ZD204

8-2

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Level3Repair

8-2-2.

Bottom

7
3

IFC400

C159

3
2

2

1

0

L
1
U

8

5

1

C

C165

C170 C171

R105

1
0
4
C
D
H

9
1
4
C

6
0

C418

4
U

0
0
4
U

8
3
4
C

7
0
3
R

4
9
1
C

2
0
4
C
D
H

3
3
4
R

0
1
4
C

0
3
4
R

2
3
4
R

V402 V403 V404

0
2
2
C

C641

L205

C240

L117

L118

8

8

0

6

1

1

R

C

D400

D401

0
0
4
D
Z

V408 V409

RESET_OUT

TP600

TP601

PDA_ACTIVE

HDC400

AP_NANDCS

C307
U301
R310

C640

R309
C308

U604

2

1

6

4

4

3

2

2

2

C

C

C

GPS_SSBI

SD_CAS

0
3
3
R

SD_CLK

TP300

SD_DQM0

R315

C338

C337

5

C182

9
1
C

C186

4
0
1
F

7

C184

7
1

6

3

C

C189

7

8

1

1

C

C

C188

SC204

2
1

8

7

9

4

4

3

5

5

5

C506

5

C

R

R

R

C528
R562
R574
C527
R575
R563

3

2

1

0

4

2

C
C
S

C523

1

2

5

R

C520
R504

3

0

7

5

0
2

C
C
S

0

R506

7

5

C311

R

R312

ONEDRAM_CS

R311

3
1

C313

2

5

0

C

5
C

SD_RAS

SC205

8

6

5

8

1

1

4

5

6

3

3

3

3

3

3

C

C367

C

C

C

C

GPS_ADCQ

MEM_WE

7

6

5

5

3

3

C

C

R231
R230

C354
C353

2
1
3

9

C

3
3
C

0
0
3
R

0
3
3
C

C306

C362

0

L301

5
3

C321

C

C332

C333

1

2

2

0

5

3

6

3

R

3

C

C348

C310

C
5
0
4
V

R417
R416
R418
R421
R419
R420

BH202

R517R518

9

1

0

1

4

4

C

C

F405

F404

F403

F402

F401

F400

0
1
2
R

U203

8
1
2
C

C219

C643

3
4
2
C

C644

U605

R607
R606

8
0

8

6

0

R

C642

3
R

R111

4

C181

0
1

C187

U

C169
R107
C173

0

3

4
1

9

8

1

1

1

C172

R

C

C

BT_WAKE

5
3
5
R

C317
C315

U302

1
6
3
C

L400

F406 F407

C214

C210

R223

TA600

R572 R573

1

6

9

7

4

4

5

5

5

R

R

R

4
1

C322

3
C

2
0
3
L

4

4

6

3

3

3

C

C

6
0
4
V

8

C420

0

1

4

2

F

4
C

MICBIAS200MICBIAS201

3
1
2
C

6
1
2
C

5
2
2
R

C654

7
1
6
C

C603

8
1
6
C

9
1
6
C

7
4
5
R

3
0
3
U

C229
C228

U205

C215

4
3
2
C

R232R233

C217

0

C212

5

3

3

1

3

2

2

3

3

C

C

2

2

C211

C

C

OSC600

C638

C621

3
3

TA604

6
C

L600

C629

U602

L601

L602

L603

C614 C615

TA601

SC206

4

2

0

6

1

0

1

1

1

5

0

9

6

1

5

5

5

5

2

1

3

1

5

C

C

C

C

5

5

5

5

C

R

R

R

C

UCP500

4
1

0

5

0

C

5
C

4

Q300

2

OSC500

5
C

C501

SC201

3

4

5

6

6

5

2

7

2

2

2

2

0

0

R323

5

5

3

3

3

3

3

3

1

1

L

L

C

C

C

C

C

C

6

L104

2
1

L105

C

8

C127

0
1
L

C130

2

C133

3
1

C131

C
6

C151

4
1

C141

C

9

5
4

2

7

3

3

2

C

3

C

C

L304

C344

L303

C343

C336

C342

U304

C347

L300

9
4
3
C

C300

C320

R303

C309

C304

5

C302

0

C305

1

5
3

U

C363

3

R304

C

R328

C303

BT_HOST_WAKE

BT_nRST

1
4

7

4

0
4

C

C

6
0
4

R434

C

TP400

C439

U408

C440

C616

C637

6
3

4

5

6

3

3

C

6

6

C

C

C632

C631
C630
C628
C627
C625
C624

C626

0

2

2

0

6

6

C

A
T

C601

nINT_ONEDRAM_AP

AP_PS_HOLD

R603

5

1

0

0

5

5

C526

5

5

5

C

R

R

R601
R602

R533
R539
R543
R540

R529
R542
C509

C508

C507

C518

C517

R524

R527

R525R526

R523

R532

7
5
5
R

R217
R218

2

3

5

5

5

5

R

R

C522

R514

C521

6

7

1

0

3

3
L

C

5
2
1

C

9
2
1
C

9
0
1
L

1
1
1
L

8

2

3

C

C319

C340C341

0
0
3
U

R513

1
0
4
U

WL_RST

C404

9

5

0

1

R116

4

5

R

R

9

8

R117

6

3

3

1

2

2

5

R118

C

C

R

7

6

R119

2

2

2

2

R

R

R120

1
1

Q400

4
R

2
1

SC101

6
R

TA606

WL_UART_TXD

0

5
0

6

6

1

R

C

C622

WL_UART_RXD

R610

C201

U601

D600

TA603

R604

C613

C221

TA605

2
1
2

C653

R

C623

SDIO_CLK

WL_HOST_WAKE

EAR_ADC_3.5

6
5
5
R

4

5

5

5

5

5

R

R

R209

6
0
2

R206

U

R205

0
0
1
F

2

C135

L121

4
1

C145

C

L110

F101

0

9

2

5

4

1

1

1

1
L

C

C

F102

3
4
1
C

C153
L114
C154

F103

4
C

ZD402

C436

R431

U407

5
3
4
C

9
2
4
R

L403

8
2
4
R

C434

C647
R611
L605
L604

U607

C649

R123

U402 U403

BT_PCM_CLK

R121

0
0
1
C
S
O

3
0
1
U

5

3

C185

1

1

1

1

R

C162

R

C161

C164

4
7

5

8

9

1

L116

7

7

7

C

1

1

1

C

C

C

2

R203

0
2
R

2
0

1

2

0
2

C

U

BT_PCM_OUT

HK400

4
0
2
U

BH201

SC200

UME200

1

9

0

2

2

1

2

2

2

R

R

R

3

2

7

2

2

3

2

2

2

C

C

C

SC208

3

C120

1

L100

1
C

C139
C138
C137
C136

C118

2
0
1
L

3

C156

1

8

0

1

0

1

L

C155

1

1

C

C

8

6

C109

9

1

1

1

C

C199

C

C107

C106

SC100

8

7

4

4

1

1

C

C

L122

1
0
1
U

R102R103R104

3
0
2
C
S

7
0

2

C224C227

4

2

V

2
R

1
1

TP301

4
V

TP302

2

0

9

1

2

1

1

1

1

C104

L

L

C

U100

5

7

0

C103

1

1

0

1

1

1

2

1

5

C

C

R

0

0

0

1

1

1

C100

C

C

C

C196C197

0
0
4
K
C

D
N
E
S
_
Y
E
K

0
0
2
C

I
M

KEY_OK

W
S
_
N
O
_
Y
E
K

8-3

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

8-3.

Equipment

Level3Repair

Power Supply

↑

Oscilloscope

↑

Digital Multimeter

↑

driver, Tweezer

+

↑

8-4

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Level3Repair

8-3-1.

Power On

'

Check the current consumption

Power On' does not work

Yes

Current consumption

Check the Vbat Voltage

Voltage

>= 100

mA

Yes

>=3.3V

Yes

No

No

Download again

Charge the Battery

Check U602(PMIC)

and Power On Voltage

Yes

Check AP_PS_HOLD(TP)

>= 2.8V

Yes

Check the clock signal at OSC600

Freq

Check the initial operation

= 32.768

Yes

khz

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 PMIC200

Check the PMIC200

Check the clock generation circuit

relatedtoOSC

(

600)

END

8-5

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

AP_N_RST_IN
AP_PMIC_IRQ

nPOWER

VUSB_5V

VCC_2.8V_PDA

R601

IF_CON_SENSE

R605

Level3Repair

VUSB_5V

1

POS

BAT600

NEG

VF

CAM_ISP_1.2V

USB_VBUS_AP
USB_VBUS_CP

R602

R603

2

3

1

D600

R610

C614

GPIO_nRST

AP_PMIC_SCL
AP_PMIC_SDA

C615

2

VCC_1.8V_PDA

UART2_TXD
UART2_RXD

AP_FLM_RXD
AP_FLM_TXD

BUCK1_EN_A
BUCK1_EN_B

BUCK2_EN
UART_SEL

FLM_SEL

32KHZ_AP

AP_PMIC_EN
AP_PS_HOLD

CP_TXD
CP_RXD
SIM_IO
SIM_RST

AP_TXD
AP_RXD

IF_TXD
IF_RXD

ON_SW

C600

VARM_1.2V_C110

VINT_1.2V_C110

C637

C602

TP600

TP601

C601

V_BAT

C653

C613

4

6

6

6

5

6

6

5

6

J

J

F

B

K

K

H

G

G

L

N

N

N

T

T

G

T

N

I

I

I

V

T

T

A

H

O

C

C

O

A

A

B

C

D

M

D

C

I

B

B

T

T

V

V

E

T

D

C2

A
B

BUCK1

E3

BUCK2

G3

BUCK3

H3

BUCK4

H8

COM11

H7

COM12

E8

COM21

E7

COM22

J8

NC11

J7

NC12

F8

NC21

F7

NC22

G8

NO11

G7

NO12

D8

NO21

D7

NO22

H4

SAFEOUT1

H5

SAFEOUT2

D3

SET1

D4

SET2

D5

SET3

J9

CS1

F9

CS2

B4

32KHZAP

B3

32KHZCP

E6

PWREN

C3

PWRON

D6

PWRHOLD

E9

VLSW2

A9

REFBP

E5

_RSO

G5

_ONO

F5

_IRQ

F4

_MR

E4

JIGON

C5

SCL

C4

SDA

C6

SRAD

IN1
IN1
IN2
IN2
IN3
IN3
IN4
IN5
IN5
IN6
IN6
IN7
IN7
IN8
IN8
IN9

LDO2
LDO3
LDO4
LDO5
LDO6

U602

LDO7
LDO8
LDO9
LDO10
LDO11
LDO12
LDO13
LDO14
LDO15
LDO16
LDO17

LX1
LX1
LX1
LX2
LX2
LX2
LX3
LX3
LX4
LX4

XIN

XOUT

2

1

4

2

1

4

1

3

2

D

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

N

C

C

G

G

G

G

G

G

G

G

G

P

P

N

N

P

P

P

P

P

A

A

2

1

1

2

4

4

1

5

5

2

1

J

K

K

G

G

D

D

B

A

V_BAT

TA603

TA606

TA604

TA602

TA600

C654

A1
A2
E1
E2
H1
H2
K2
K8
K9
C9
D9
A7
B7
G9
H9
B9

B8
C8
K10
J10
H10
K7
G10
F10
C7
E10
D10
C10
A6
A8
A10
B10

B1
B2
C1
F1
F2
F3
J1
J2
J3
K3

A4
A3

TA601

C603

C616

1

2

C638

OSC600

TA605

VALIVE_1.1V_C110

C621

VUSB_1.1V_C110

C622

VADC_3.3V_C110

VTF_2.8V

C623

VDAC_3.3V_C110

VLCD_1.8V

C627

C625

C626

VPLL_1.2V_C110

C628C624

CAM_AF_2.8V

C629

CAM_SENSOR_A2.8V

CAM_SENSOR_1.2V

C631C630

2
1
6
R

CAM_ISP_1.8V

C632

CAM_ISP_2.8V

C633

CAM_SENSOR_1.8V

C635

VCC_3.2V_LCD

VCC_1.8V_PDA

VARM_1.2V_C110

VINT_1.2V_C110

L600

L601

L602
L603

C636C634

CAM_ISP_1.2V

C618

C619

C620C617

VCC_2.8V_PDA

VUSB_3.3V_C110

R223

5

2

2
R

C654

7

1

6
C

C603

8
1

6
C

9
1

6
C

TA600

5

3

3

2

3

C

2
C

C614 C615

L600

L601

L602

R232R233

1

3

2
C

C621

C629

5

9

1

0

R116

5

4

R

R

9

8

R117

6

3

3

1

2

C217

C212

0
3

2
C

C211

C638

3

3

TA604

6
C

OSC600

C616

4

3

6
C

U602

L603

0

2

6
C

TA601

2

5

R118

C

C

R

7

6

R119

2

2

2

2

R

R

2

1

SC101

6
R

1

1

4
R

TA606

Q400

C622

R120

R572 R573

7

1

4

7

5

5

R

R

6
1

5

6

3
5

R

9

5

1

1

C

5

5

R

C

2
1

0

5

2

C

5
R

C637

6

3

5

6

3

C

6
C

C632

C631
C630

U601

C628
C627
C625

TA603

C624

TA605

C626

2

0

6
A
T

C601

C653
C623

UCP500

SC206

nINT_ONEDRAM_AP

0

1

1

1

5

5

C

C

R603

4

5

0

0

5

0

5

5

5

C

R

C

AP_PS_HOLD

1

5

C526

5
R

R601
R602

R533
R539
R543
R540

R529
R542

C509

SDIO_CLK

C508

WL_HOST_WA KE

C507

EAR_ADC_3.5

C518

C517

8-6

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Level3Repair

8-3-2.

Initial

Initial Failure

Yes

The pin

swing properly

he pin

T

swing properly

Test point'AP_PS_HOLD'

and'AP_N_RST_IN'(R603)

"

There is

forms at the

and pin

of U303

#2,3

1.8V
of U303

#9,10

2.8V

Yes

Low→High"

Yes

kHz wave

32.768
C264,C269,

of U304

#1,2

and0V?

and

?

=

0V?

Check the U303 and UCP500

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

=

=

No

No

No

(

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

(

Check the U602

Check the OSC600 and U304

Yes

There is

forms at the

The voltage is"High" at

the C617,

LCD display is O.K

Hz wave

24M

C521

C522

Yes

C618,

C629

Yes

Yes

Sound is O.K

Yes

END

and

C621,

No

No

No

No

Check the OSC500

Check the U602

Check the LCD part

Check the Audio part

8-7

SAMSUNG Proprietary-Contents may change without notice

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V

AP_N_RST_IN

nPOWER

AP_PMIC_IRQ

VUSB_5V

VCC_2.8V_PDA

R601

IF_CON_SENSE

R605

Level3Repair

VUSB_5V

1

POS

BAT600

NEG

VF

CAM_ISP_1.2V

USB_VBUS_AP
USB_VBUS_CP

R602

R603

2

3

1

D600

R610

C614

GPIO_nRST

AP_PMIC_SCL
AP_PMIC_SDA

C615

2

VCC_1.8V_PDA

IF_TXD
IF_RXD

UART2_TXD
UART2_RXD

CP_TXD
CP_RXD
SIM_IO
SIM_RST

AP_TXD

AP_RXD
AP_FLM_RXD
AP_FLM_TXD

BUCK1_EN_A
BUCK1_EN_B

BUCK2_EN
UART_SEL

FLM_SEL

32KHZ_AP

AP_PMIC_EN

ON_SW

AP_PS_HOLD

C600

VARM_1.2V_C110

VINT_1.2V_C110

C637

C602

TP600

TP601

C601

V_BAT

C653

C613

6

5

4

6

6

6

6

5

6

J

J

F

K

B

H

K

G

G

L

N

N

T

T

N

G

I

I

V

T

I

N

T

T

H

A

C

C

O

A

A

O

B

C

D

D

C

I

B

B

M

T

V

V

T

E

T

D

C2

A
B

BUCK1

E3
G3
H3

H8
H7
E8
E7

J8
J7
F8
F7

G8
G7
D8
D7

H4
H5

D3
D4
D5

J9
F9

B4
B3

E6
C3
D6

E9
A9
E5
G5
F5
F4
E4
C5
C4
C6

IN1

BUCK2

IN1
IN2

BUCK3

IN2

BUCK4

IN3

COM11

IN3
IN4

COM12

IN5

COM21
COM22

IN5
IN6
IN6

NC11

IN7

NC12
NC21

IN7
IN8

NC22

IN8

NO11

IN9
NO12
NO21

LDO2

NO22

LDO3
LDO4

U602

LDO5

SAFEOUT1

LDO6

SAFEOUT2

LDO7
LDO8

SET1

LDO9

SET2
SET3

LDO10
LDO11
LDO12

CS1

LDO13

CS2

LDO14

32KHZAP

LDO15

32KHZCP

LDO16

LDO17
PWREN
PWRON

LX1

PWRHOLD

LX1
LX1

VLSW2

LX2
LX2

REFBP

LX2

_RSO
_ONO

LX3

_IRQ

LX3

_MR

LX4

JIGON

LX4
SCL
SDA

XIN
SRAD

XOUT

2

2

4

1

3

2

1

4

1

D

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

N

C

C

G

G

G

G

G

G

G

G

G

N

P

P

N

P

P

P

A

A

P

P

2

1

1

2

4

1

5

5

4

2

1

J

K

K

D

D

B

A

G

G

V_BAT

TA605

TA604

TA603

TA602

TA600

C654

A1
A2
E1
E2
H1
H2
K2
K8
K9
C9
D9
A7
B7
G9
H9
B9

B8
C8
K10
J10
H10
K7
G10
F10
C7
E10
D10
C10
A6
A8
A10
B10

B1
B2
C1
F1
F2
F3
J1
J2
J3
K3

A4
A3

TA601

C603

C616

1

2

C638

OSC600

TA606

VALIVE_1.1V_C110

VUSB_1.1V_C110

C621

VADC_3.3V_C110

C623

C622

VTF_2.8V

C625

VLCD_1.8V

VUSB_3.3V_C110

VDAC_3.3V_C110

C627

C626

VCC_2.8V_PDA

VPLL_1.2V_C110

C628C624

CAM_AF_2.8V

C629

CAM_SENSOR_A2.8V

CAM_SENSOR_1.2V

C631C630

CAM_ISP_1.8V

2
1
6
R

C632

CAM_ISP_2.8V

C633

VCC_3.2V_LCD

CAM_SENSOR_1.8V

C635

L600

L601

L602
L603

C636C634

VARM_1.2V_C110

VINT_1.2V_C110

VCC_1.8V_PDA

C618

CAM_ISP_1.2

C619

C620C617

XTAL_24MHZ_IN

XTAL_24MHZ_OUT

2

U304

1

4

1

0
4

1

5
R

N

_

D

N

T

L

E

O

O

_

S

H

E

E

_

N

R

S

_

O

P

N

_

H

P

O

P

n

C

P

N
E

_
A
P

_

0

0

1

2
S
T
M

O
X
C
T

3

2

0

1

3

3

2

2

1

1

2

2

V

U

W

W

W

W

1

1

F

N

T

P

I

P

E

_

U

G

G

R

_

M

O

_

_

9

_

N

T

C

1

E

M

U

D

_

_

9

L

O

A

1

O

_

_

A

_

X

T

O

O

L

X

X

X

A
T
X

U

1
2
3
R

3

3

0

1

0

3
2
A
A

N

I
_
C
D
A
_
O
X

2

1

7

7

8

0

1

9

1

1

2

2

2

2

2

1

1

1

1

1

A

C

A

B

B

B

B

A

V

V

V

U

A

W

A

A

A

A

A

A

A

D

T

1

0

N

N

N

P

M

N

N

M

L

T

_

_

X

_

I

3

_

_

_

_

_

R

U

_

O

N

N

E

V

P

V

T

R

T

T

E

_

K

H

O

O

O

P

R

R

U

E

U

W

2

F

H

_

_

_

_

D

D

M

S

O

3

T

P

O

E

S

K

A

A

_

_

_

_

E

_

_

_

_

2

P

R

P

P

B

D

L

N

R

F

I

R

3

R

D

_

_

_

_

A

C

K

_

_

E

V

P

K

R

U

U

V

L

T

L

P

N

R

K

P

X

R

A

S

V

O

S

T

D

P

_

X

D
P
K

0

5

C

S

O

2

3

C522C521

AP_PS_HOLD

ACC_INT

PS_VOUT

BUCK1_EN_A
BUCK1_EN_B

BUCK2_EN

DET_3.5

AP_PMIC_IRQ

AP_PS_HOLD

USB_VBUS_CP

0

1

3

C

R315

2
1
3
C

V_BAT

N
E

T

_

C

A

E

N

P

L

E

_

_

E

0

ZD300

A

S

0

_

9

P

_

D

S
T

N

M

A

S

M
U

V_BAT

B

G

CP_PS_HOLD

VREG_MSME_1.8V

R330

VCC_2.8V_PDA

R601 R602

D2D_XO

3

0

2

1

4

3

8

4

3

9

2

5

6

1

9

1

1

2

1

A

Y

V

W

A

0

1

2

_

_

_

N

N

N

O

O

O

_

_

_

A

A

A

P

P

P

_

_

_
U

G

G

1

7

5

6

9

2

1

1

1

1

1

1

1

1

1

1

1

1

1

B

V

C

C

B

B

B

A

A

A

J

J

T

H

H

A

W

A

A

A

A

A

A

A

A

4

C

C

C

C

C

C

T

G

G

N

O

I

P

R

R

N

N

N

N

N

N

S

A

N

H

H

L
T

C

C

V
_
A
P
_
T
U
O
V

X

P

O

D

D

D

D

D

D

B

U

_

W

W

C

_

C

T

M

V

B

P

P

V

D

V

E

_

_

V

2

_

F

H

H

D

_

B

P

P

T

S

V

V

A

U

B

AP_N_RST_IN

nPOWER

AP_PMIC_IRQ

U24

W6
W2

U6
V3

AD2

T3

AD3

P3
Y6
V6

R603

XEFFSOURCE_0

XEINT_0
XEINT_1

XEINT_2
XEINT_3

XEINT_4
XEINT_5

XEINT_6
XEINT_7
XEINT_8

U302-2

8-8

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Level3Repair

8-3-3.

SIM

NO SIM

Yes

Check the connection of

the HDC404

Yes

Is there any signals at

C429, C432, C427, C431

Yes

Check the voltage at C432

>=2.8V ?

No

No

No

Check the SIM socket

Check U302

Check U302

SIM_RST
SIM_CLK

SIM_IO

VREG_USIM_2.85V

R425

C432

C427C429 C431

Yes

Check the voltage at C431,

C432

>= 2.8V ?

Yes

END

HDC404

11

22

344

3
5566
7788

1010

99
1111 1212
131414

13

151516

16

0

8

7

9

2

1

1

1

C

C

C

C

N

N

N

N

C428 C430

SPK_OUT_N

SPK_OUT_P

No

Z
D
6

0

1

T

A
6

0

9

Check U602

BTC600

C

R

R

2

2

2

0

0

0

7

4

R229
C249
C247

L206
L207

HDC404

7

C225

C
2

4

6

C226

C
4

2

8
C
2

3

2
C
4

3

0

R228

R
2

0

0
C

4

3

2
C

4

3

1

C
4

C

2

4

9

2

7

R425

8-9

SAMSUNG Proprietary-Contents may change without notice

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Level3Repair

N

P

8-3-4.

Microphone

Check main microphone function

in voice call receiver mode

No

Check the Voltage at

C218

=2.8V

Yes

Check component soldering

status at

C236,C240,C241,C242,

ZD404,ZD405,L205

Yes

Resolve or change the

MIC200

Yes

No

No

Resolder or change U203

Resolder or change the components

MICBIAS_LDO_2.8V

C218

C219

V_BAT

VMEM_2.8V

C220

8

VOUT1

7

VDD

6

VOUT2

5

NC

U203

CE1

GND

CE2

D
N
G

9

END

NC

1

MASSMEMORY_EN

2

3

4

R210

MICBIAS_EN

MIC200

OUT

GND2GND1

GND2 GND

PWR

GND
GND

MICBIAS_LDO_2.8V

C241

L205

C243

C240

5
0
2

D
Z

1

3

4
5
6

4
0
2
D
Z

C236

MAIN_MIC_

C242

MAIN_MIC_

8-10

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Level3Repair

N

P

8-3-5.

Ear Microphone

Check Ear microphone function

Check the connection status

Check voltage level at

Check component soldering

status at R229,TA200

C246,C249,L206,L207

,

No

of HDC200

Yes

R228=2.8V

Yes

Yes

No

No

No

Reconnect the HDC200

Resolder or change U203

Resolder or change the components

Check the Ear-Jack Module

Yes

END

EAR_MIC_3.5

C247

TA200

MICBIAS_LDO_2.8V

R228

R229

C249

L206

EAR_MIC_

C246

EAR_MIC_

L207

8-11

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Level3Repair

8-3-6.

SPK Part

Play MP3 with maximum volume level.

Check speaker function.

No

Check the signal output of

C232,C428,C430,..

Yes

No

Yes

Resolder or change U205

Check the signal output of

C232,C428,C430,., again

No

Check the connection of

HDC404

Yes

Replace the speaker module.

Yes

END

No

Resolder or change UCP500

Reconnect HDC404

8-12

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