Samsung I9250 Block Diagram 7

Level

8.

Block Diagram

8-1.

Repair

3

8-1

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Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

PCB Diagrams

8-2.

8-2-1.

Top

8-2

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Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

8-2-2.

Bottom

8-3

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Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

Flow Chart of Troubleshooting

8-3.

Equipments

Oscilloscope

Ç

Power Supply

Ç

Digital Multimeter

Ç

driver, ESD Safe Tweezer

+

8960 &

Ç

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Spectrum Analyzer

8-4

Soldering iron

Ç

Level3Repair

8-3-1.

Power On

Cell-phone can`t power on.

Check the Battery Voltage

it more than

Is

Power-on the phone and check

the power-on sound

or motor biration.

Sound or Biration is ok?

Check the SLC800

soldering crack, open, etc)

(

Yes

No

3.6

V?

.

No

Yes

Abnormal

If its voltage level is extremely low(under

Change the SLC800(Power-key FPCB)

Charging the battery by TA.

Change the battery.

Change the FRONT-OCTA LCD ASSY

And retry to the power-on operation.

3.0

V),

Yes

Check the U501 output voltage

C531

(

Check the U501 output signal

SYS_nRESEPWON=0V(LOW)

Check the Clock OSC500(C523)

Is that frequency32Khz?

check the initial operation

>2.0

C562>

V, C532

1.2

Yes

END

V)

>1.2

V,

No

If the output voltage is not satisfied with normal

condition, Change the U501.

Each voltage level has

※

If the output voltage is not satisfied with normal.

condition, Change the U501.

Each voltage level has

※

Change the OSC500.

If OSC400 does not still work, Change the U501

This problem is internal oscillator of U501.

Test condition(Oscilloscope setting)

※

us.div(time division)

:20.0

±10%

margin.

8-5

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Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

SYS_nRESPWRON

nWARM_RESET

V_BAT

VAP_IO_1.8V

8

9

M

O

O I

I

V V _ G I D _ D N G

N I _ D E L _ G R H C

6 D

PMIC_I2C_SDA PMIC_I2C_SCL

CORE1_EN

VAP_VCORE1

C562

V_BAT VAP_IO_1.8V

N15

PWMFORCE

H8

BOOT_0 BOOT_1 BOOT_2

TP_WARMRST

TP_RST_GND

R512

LCD_IO_2.2V

C500

C510

5 0 5 P T

3

2

3

8

4

1

J

K

D

J

K

1

2

1

P

N

C

I

N

P

I

_

M

I

V

_

P

M

C

P

M

V

I

V

M

S

M

U

V

100NF

2

0

2

7

8

9

7

9

1

T

B

N

B

A

N

H

G

2

1

2

F

1

N

M

G

I

B

N

X

E

B

I

_

S

_

U

R

_

V

1

2

I

U

D

A

X

M

V

I

N

V

U

S

G

A

U

F

V

E R

U501

5

1

7

2

6

4

3

B

_

A

N

I

N

3

I

_ B _

C

B

D

A

S

D

U

V

5

3

9

7

1

B

A

H

G

N

1

_

A

3

O

I

X

C

V

3

5

1

F

B

_

X

D

U

N

D

A

G

V

G

V

G

V

G

0

1

3

9

8

7

8

9

4

9

1

D

N

R

N

H

R

G

L

E

M

BOOT_3

TP_PWRON

R561

JIGON

SYS_PREQ

SYS_nIRQ1 CORE1_EN

V_BAT

C502

C501

4

5

0

5

C

R505

2 1 F

2 B _ D N G F E

TESTV

R

VCORE1_IN_B1

VCORE1_IN_B2

VCORE1_IN_B3

VCORE1_SW_B1

VCORE1_SW_B2

VCORE1_SW_B3

VCORE1_FDBK

VCORE1_GND_B1

VCORE1_GND_B2

VCORE1_GND_B3

VCORE2_IN_B1

VCORE2_IN_B2

VCORE2_SW_B1

VCORE2_SW_B2

VCORE2_FDBK

VCORE2_GND_B1

VCORE2_GND_B2

VCORE3_IN_B1

VCORE3_IN_B2

VCORE3_SW_B1

VCORE3_SW_B2

VCORE3_FDBK

VCORE3_GND_B1

VCORE3_GND_B2

VMEM_IN_B1

VMEM_IN_B2

VMEM_SW_B1

VMEM_SW_B2

VMEM_FDBK

VMEM_GND_B1

VMEM_GND_B2

V1V8_IN_B1

V1V8_IN_B2

V1V8_IN_B3

V1V8_SW_B1

V1V8_SW_B2

V1V8_SW_B3

V1V8_FDBK

V1V8_GND_B1

V1V8_GND_B2

V1V8_GND_B3

V2V1_IN_B1

V2V1_IN_B2

V2V1_SW_B1

V2V1_SW_B2

V2V1_FDBK

V2V1_GND_B1

V2V1_GND_B2

V1V29_IN_B1

V1V29_IN_B2

V1V29_SW_B1

V1V29_SW_B2

V1V29_FDBK

V1V29_GND_B1

V1V29_GND_B2

VANA_IN

VANA

VRTC_IN

VRTC

GND_DIG_VRTC

VBAT

VBACKUP

VPROG

PBKG_B2

PBKG_B11

PBKG_B12

PBKG_B13

PBKG_B31

PBKG_B32

PBKG_B33

PBKG_B41

PBKG_B42

PBKG_B43

PBKG_B51

PBKG_B53

2

4

B

_

D

C

D

V

N

3

4

1

2

L

G

C

A15

T4

T3

R3

N1

P1

P2

L2

M1

L1

M2

T7

R7

T6

R6

R4

T5

R5

K1

K2

J1

J2

G1

H1

H2

T10

R10

T11

R11

R13

T12

R12

T13

T14

R14

N16

P16

P15

L15

M16

L16

M15

C16

C15

D16

D15

F16

E16

E15

K16

K15

J16

J15

G16

H16

H15

D10

B10

D11

D7

G4

B13

E10

G10

H5

T1

C542

T2

R1

T16

T15

R16

A1

A2

B1

A16

B16

BOOT0

G8

BOOT1

G9

BOOT2

H9

BOOT3

N5

NRESPWRON

M5

NRESWARM

L5

PWRON

U501

K5

RPWRON

J9

TP503

PREQ1

K9

PREQ2A

K8

PREQ2B

M7

PREQ2C

N6

PREQ3

K10

INT

M6

SYSEN

K7

REGEN1

J5

REGEN2

J8

TESTEN

3 0 5

6 0 5 C

R520

C539 C544

7 0

C

5 C

VDD_ANA

VDD_RTC

1

POS

0 0

C543

5 T A B

NEG

2

CORE_SEL

CORE1_SENSE_P CORE1_SENSE_N

8 0 5 C

V_BAT

9 0 5 C

L500

L501

L505

L506

L507

C545

VAP_VCORE3

C540

VAP_VCORE2

1 3 5 C

C560

1 A

C2

VSEL0

A3

VSEL1

U504

B1

SENSE+

C1

SENSE-

D N G A

3

2 A

C

VAP_IO_1.8V

5

2

3

5

5 C

C

N I V A

D

N

G

P

4 C

VSEL_2.1V

C561

1

4

D

A

D

N I

D

V

SW

SDA

SCL

EN

D N

C

G P

N

4

1

2

D

VSEL_1.2V

6

7

3

5

C

L510

B3

B4

D2

D3

B2

8-6

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Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

8-3-2.

Initial

Initial Failure

Yes

Re-download SW the cell-phone.

Abnorma

Check the AP Reset

nWARM_RESET(TP_WARMRST)

Check the oscillator clock waveforms.

32.768

38.4

V(HIGH)

=1.8

Yes

KHz:OSC500(C523),

Mhz:OSC400(C481)

Normal

No

Abnormal

Check the U501(crack, open, etc.)

Check the OSC500, OSC400 and C481.

Crack, open etc.)

(

Check the output clock waveforms and frequency.

Test condition(Oscilloscope setting)

※

us.div(time division)

:20.0

Change UCP400,U501

Abnormal

Change PBA

END

8-7

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Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

SYS_nRESPWRON

nWARM_RESET

VAP_IO_1.8V

SYS_DRM_MSEC

TP_WARMRST

R556

R515

TP_RST_GND

OSC500

R512

R561

C523C522

BOOT_0 BOOT_1 BOOT_2 BOOT_3

TP_PWRON JIGON

SYS_PREQ

SYS_nIRQ1 CORE1_EN

PMIC_I2C_SCL PMIC_I2C_SDA

CLK32K_AP

GPS_CLK32K

CLK32K_AUDIO

USB_OTG_ID

PHEONIX_I2C_SCL PHEONIX_I2C_SDA

C520

R501

TP503

9

8

4

4 J

K

M

N

O

I

_

V

P

_

P

G

I

V

U501

D _ D N G

VAP_IO_1.8V

C481

FREF_38.4M_IN

4

3

VDD

OUT

OSC400

GND

SW

2

FREF_CLK_REQ

1

R429

N15

PWMFORCE

H8

BOOT0

G8

BOOT1

G9

BOOT2

H9

BOOT3

N5

NRESPWRON

M5

NRESWARM

L5

PWRON

K5

RPWRON

J9

PREQ1

K9

PREQ2A

K8

PREQ2B

M7

PREQ2C

N6

PREQ3

K10

INT

M6

SYSEN

K7

REGEN1

K8

PREQ2B

M7

PREQ2C

N6

PREQ3

K10

INT

M6

SYSEN

K7

REGEN1

J5

REGEN2

J8

TESTEN

M13

SRI2C_SCL

N13

SRI2C_SDA

N2

MSECURE

A10

OSC32KIN

E8

OSC32KCAP

A8

OSC32KOUT

H10

CLK32KAO

J10

CLK32KG

E9

CLK32KAUDIO

E12

ID

M4

CTLI2C_SCL

N4

CTLI2C_SDA

N12

SIM

N11

MMC

L12

BATREMOVAL

8-8

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Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

8-3-3.

No Service

No service

Yes

Check memu setting

Menu→applications→setting→wireless and network

mobile networks→network mode→setting is auto mode

Menu→Phone→Keypad

*#1234#

Check the CP_VSD1,CP_VSD2_1.8V

check Phone version

→

PHONE:I9250XXXX or

PHONE:unknown

CP_VSD1(C342)

CP_VSD2(C343)

→

PHONE:unknown

=0.9~1.4V

=1.8V

→

?

PHONE:I9250XXXX

No

Check the connection of RF coaxial cable

QCB01@page2

(

Replace the UCP300

)

Yes

Check VREF

VREF(C350)

Change the board

=600

Abnorma

Yes

END

mV

No

Replace the UCP300

8-9

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Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

S

V

4

3

0

1

8

1

J

G

F

L

J

K

J4

M4

TP305

H2

ON1

J2

ON2_N

D3

SD1_FB

D1

SD1_SW

E1

SD1_SW

C2

SD2_FB

A2

SD2_SW

A3

SD2_SW

U14

CC_CLK

T13

CC_IO

T14

CC_RST

N8

CLKOUT0

P10

CLKOUT2

L17

F32K

M17

OSC32K

N4

T_OUT0

P3

T_OUT1

T11

DMINUS

U11

C N

4 R

C N

7

1

U

C

N

2

1

VSD2_GND VSD1_GND

HW_MON1

HW_MON2

DSP_AUDIO_IN1

USB_DMINUS

USB_DPLUS

USB_TEST

USB_TUNE

HSIC_USB_DATA

HSIC_USB_STRB

USIF1_SCLK

USIF1_CTS_N

USIF1_RTS_N

USIF1_RXD_MRST

USIF1_TXD_MTSR

REF_CLK_EN

SYSCLKEN

SYS_CLK

RESET2_N

RESET_BB_N

RESET_PWRDWN_N

ALERT_N

XRESET_N

ANAMON

FCDP_RBN

RESERVED

DPLUS

R6

P7

B6

R17

T17

N16

USB_ID

P17

T16

U13

U12

T1

U2

U3

T2

T3

K3

U9

P12

F6

TRIG_B

T5

TRIG_IN

R5

K2

J3

U10

T4

TRST_N

T9

D4

A6

E3

FSS

B8

FWP

T6

TCK

U5

TDI

U4

TDO

U6

TMS

K4

TM_EN

J1

VREF

F4

VRTC

H8

C350

UCP300

PMB9811-B

U

2

1

B

C

L

S

T

L

D

M

P

S

U

R

S

P

_

S

V

6

4

9

8

1

P

R

L

C

S

N

V

N

6

4

1

7

4

1

F

E

A

B

P

U

N

A

M

TP315 TP316

TP324

TP317

TP319

L302

L303

RESET_ALL

CP_ON

SIM_CLK

SIM_IO

SIM_RST

XTAL_26MHZ_CP

HW_MON1 HW_MON2

DSP_AUDIO_IN1

CP_DCP_D+

CP_USIF1_RXD CP_USIF1_TXD

REF_CLK_EN SYS_CLK_EN SYS_CLK_26M

TRIG_IN

RESET300 RESET_BB_N CP_RST_OR

TRST_N_CP RESET_N_RF

TCK_CP TDI_CP TDO_CP TMS_CP

C344

OSC300

C345

R324

R325

R326

Reset output(ONE PIN) Reset onlt BB for core Dump For Modem and PMIC, RF Reset

For RF Reset

VRTC_1.8V

C351

VIO_1.2V

CP_VSD2_1.8V

C343

CP_VSD1

C342

VSD1_GND

VSD2_GND

8-10

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

8-3-4.

Sim Part

CP_VSIM

Insert SIM card

Yes

Check the Pin Soldering

of SIM300

Yes

Check the SIM Voltage.

R356)

(

>= 1.8or3.0?

Yes

END

NFC_SIMVCC

No

Resoldering and recheck

Change to the new SIM card.

If it doesn`t still work SIM card after changeing

the SIM card, Check the UCP300(Crack etc)

R331

R328

R330

SIM300

6 5

SIM_IO SIM_CLK

4

C354

6 5

G

78GG910

G

11

22

334

SIM_RSTNFC_SWP

C356C355

C352

C353

8-11

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

8-3-5.

Charging Part

TA/USB Insert

Charging Sequence Start

Check the CHG_EN

Check the R525=3.3~4.2V

Battery is Charging?

Yes

Vin

=5V

Yes

TP501=1.8V

Yes

No

Check D501=5V,

or may not connected TA/USB

Resolder and Replace UCP400

Resolder or Replace TR502

Resolder or Replace U502

END

Yes

8-12

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

ZD500

TA501

V_BAT_CON

TA500

1 0 5 D

BTC500

1

2

3

4

5

NC

6

NC

Level3Repair

TA_nCONNECTED

ISET_ADC

VAP_IO_1.8V

R524

R527 R528

CHG_USUS

TP501

R531

R560

C552

14

13

12

11

10

9

8

VAP_IO_1.8V

R521

5

6

1

S

M

U

H

S

T

U

_CEN

ISET

GND

IDC

U502

CT

VL

_DOK

B

T

S

U

B

I

6

7

V_BAT_CON

C530

C538

VAP_IO_1.8V

TR501

1

S

2

S

3

S

4

G

TR502

V_BAT_CON

8

D

7

D

6

D

5

D

9

TA_nCONNECTED

V_BAT

R529

R523

C551

CHG_CUR_ADJ

CHG_ING_NCHG_EN

C549

C550

R525

3D

1

G

S

2

1

9

8

7

0

2

1

2

T

K

B

T

L

A

S

A

O

F

B

U

_

22

_CHG

23

SYS

24

SYS

25

CS

26

L509

CS

27

LX

28

LX

29

GND

30

NC

M C D

31

NC

C

G

D

P

4

3

1

5

2

VUSB_5V

C556

C559

8-13

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

8-3-6.

Microphone Part(Main MIC)

Check main microphone function

in voice call receiver mode

or in Voice Recording mode

Yes

Check Sub-PCB module

where main MIC is placed

for any damage(Tear in FPC,

Check the voltage at

C662

etc)

Yes

=2.8V

No

Change the Sub-PCB module

Resolder or replace U609

Yes

Check component soldering

L609,L615,L613,L614,HDC600

statuses of

Yes

END

No

Resolder or replace L619,L615,L613,L614,HDC600

8-14

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

MICBIAS_EN

DEBUG_3.3V

EAR_ADC_3.5

R615

EAR_MIC_3.5_P EAR_MIC_3.5_N

AUDIO_GND

R601

V_BAT

C661

L616

4

VDD

3

CE

U609

VOUT

GND

D N G

5

JTAG_USB_ID

USB_ID_SUB_CON

L609

1005

L615

MICBIAS_2.8V

1

2

USB_DP_SUB_CON USB_DM_SUB_CON

MAIN_MIC_P_CONN MAIN_MIC_N_CONN

RD1301 ZD609

C662

LED_R LED_G LED_B

MICBIAS_2.8V

TA602

R631 R632

U610

1

DM

VBUS

2

DP

NC

3

NC

0

1

0

6

R

V

USB_ID

2 0 6 R V

D N G

7

V_BAT

C646

HDC600

6 0 1 1

6

5

4

0 0 6 D Z

11 12 13 15 17 19 21 23 25 272728 29 31 333334

35 36 37 39

1 0 6 D Z

1

3

5

56

7

9

9 11 13 14 15 171818 19 21 23 25 26

29 31 32

35 37 38 39

2

4

6

8

10

10 12

14 16

16

20

22

24

26

28

30

32

34

36

38 40

40

C663

L613

L614

MAIN_MIC_P_CONNMAIN_MIC_P

C664

MAIN_MIC_N_CONNMAIN_MIC_N

8-15

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

8-3-6-1.

Microphone Part(Sub MIC)

Check Sub microphone function

in voice call loudSPK mode

or in camcording mode

Yes

Check RCV module where

Sub MIC is placed

for any damage(Tear in FPC,

Check the voltage at

C660

etc)

Yes

=2.8V

No

Replace the RCV module

Resolder or replace U608

Yes

Check component soldering

statuses of L600,L601,

HDC601

Yes

END

No

Resolder or replace L600,L601,HDC601

8-16

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

SUB_MICBIAS_EN

V_BAT SUB_MICBIAS_2.8V

U608

VDD4VOUT

3

CE

1

2

GND

D N G

5

C660C659

Level3Repair

C600

L600

L601

C601

SUB_MIC_P_CONNSUB_MIC_P

SUB_MIC_N_CONNSUB_MIC_N

RCV_P RCV_N SUB_MIC_P_CONN

SUB_MICBIAS_2.8V

TA601

ZD602

ZD603 ZD605

12

1

34

3

56

5

C669

C665

HDC601

C

N

8

7

9

2 4 6

C N

0 1

ZD604

SUB_MIC_N_CONN

8-17

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

8-3-7.

Speaker Part

Play MP3 with maximum volume level.

Check speaker function.

Yes

Check the connection of

HDC600

Yes

Check the signals on

ZD611, ZD612

Yes

No

Reconnect HDC600

No

Resolder or replace U604

Replace the speaker

module

Yes

END

8-18

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

V_BAT_LED

C646 C650 4700nF 10V

HDC600

14-5805-040-000-829

1

2

1

3

4

5

56

7

8

9

10

9

11 12

11

12

13

13 14

15

16

17

171818

19

20

21

22

21

23

24

25

25 26

27

272828

29

30

29

31

31 32

33

333434

35 36

35

36

37

38

37 38

39

40

39

40

1 0

1

3

0

1

6

D

D Z

R

2 4 6

8

10

14 16

20 22 24 26

30 32

V_BUS_5V

5 1 0

-

3 0

1

6 0

0

S

3

5

-

0 6

C L

R

V

A

P 1 2 5 0 P

1

M

0

8

2

A

3

0

1

L

1

6

C

D

Z

R

5 0 0 1

1000nF 25V

P 1 2 5 0 P

1

M

0

1

6

A

3

1

0

L

1

6

C

D

R

Z

R

Z

VAP_IO_1.8V

R610 1M

3 0 6 0

P 1 2 5 0

C653

P

OPEN

M

7

A

3

0

L

6

0

C

D

R

Z

L608

BLM15HD182SN1D

L610 L611

C654 OPEN

3 0 6 0

1005

DET

RAFT_C RAFT_B RAFT_A

SPK_OUT_P

SPK_OUT_N

1005

BLM15HD182SN1D

1005

BLM15HD182SN1D

3 0 6 0

C655 OPEN

3 0 6 0

R612

2.2

R613

2.2

C656 OPEN

0603

EAR_R EAR_L

0603

8-19

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

Level3Repair

8-3-8.

Receiver Part

in voice call receiver mode.

module where RCV's placed

Check receiver function

Yes

Check the connection of

HDC601

Yes

Check RCV-Earjack

for any damage(Tear in

FPC, etc)

Yes

Check the signals on

ZD602,ZD603

No

Reconnect HDC601

No

Replace the RCV module

No

Resolder or replace U602

END

Yes

8-20

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.

SUB_MICBIAS_2.8V

TA601

HDC601

12

1

34

RCV_P RCV_N SUB_MIC_P_CONN

ZD603 ZD605

C669ZD602

3

56

5

C665

2 4 6

C

N

7

8

9

0 1

SUB_MIC_N_CONN

ZD604

Level3Repair

8-21

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.