Samsung SGH-J200 service manual - provinspc2

GSM TELEPHONE SGH-J200

GSM TELEPHONE

CONTENTS 1.

Safety Precautions

2.

Specification

3.

Product Function

4.

Array course control

5.

Exploded View and Parts list

6.

MAIN Electrical Parts List

7.

Block Diagrams

8.

PCB Diagrams

9.

Flow Chart of Troubleshooting

10.

Reference ?

Check the circuit related to reset

Yes

Not OK

Is TP300~309 OK?

Check the circuit related to memory

OK Check the circuit around LCD (short or unsolder)

END

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Flow Chart of Troubleshooting

9-3. Charging Part

Abnormal charging part Yes No C606 = 5V ?

Resolder IFC600

Yes

No Replace U401

U401 pin6 = "L"?

Yes

Check the Battery & TA

Yes END

9-4

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Flow Chart of Troubleshooting

9-5

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Flow Chart of Troubleshooting

9-4. SIM Part Phone can't access SIM Card

Yes

No C442 = 'H' ?

Check the SIM power

Yes

After Power ON, No

Check SIMCLK Signal on pin 15 of SIM 400

Check the Clock

in a few second

Yes

After SIM card insert,

No

SIM400 pin 13

Replace PBA

= "H"

Yes

Check the SIM Card

Yes

END

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Flow Chart of Troubleshooting

9-7

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Flow Chart of Troubleshooting

9-5. Microphone Part - Phone MIC

Microphone does not work

Yes

Not OK Check the connection from MIC

Resolder MIC

OK

Not OK Check the circuit from UCP300 to MIC

Resolder the R507, R509, R513, R514

OK

Not OK Check the MIC

Replace the MIC

OK END

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Flow Chart of Troubleshooting

9-9

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Flow Chart of Troubleshooting

9-6 Microphone Part - Earphone MIC

Earphone mic. does not work Yes

Not OK

Check the connection from IFC600

Resolder IFC600 pin 3,4

OK

Check the circuit from IFC600 pin 3,4 to UCP300

Not OK Resolder L503, L504, C528, C532

OK

No Change a Earphone

Is Earphone MIC working?

Yes

END

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Flow Chart of Troubleshooting

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Flow Chart of Troubleshooting

9-7. Earphone Part

Earphone does not work Yes No

R512, R517 ≥ 100mV? (When MP3 file is played)

Check UCP300

Yes

No

U502 pin 16, 8 ≥ 100mV? (When MP3 file is played)

Resolder

U502, R512, R517

Yes No U502 pin 16, 8 ≥ 200mV? (When MP3 file is played)

Resolder U502

Yes

Check the circuit from IFC600 pin 5, 6, 7 to U502

Not OK Resolder L602, L603

OK No Resolder IFC600

IFC600 pin 5, 7 short?

Yes No Replace the Earphone

Is Earphone working?

Yes END

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Flow Chart of Troubleshooting

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Flow Chart of Troubleshooting

9-8. Speaker Part

Speaker does not work Yes No

Check the supply voltage of U500 Is the U503 =3.8V?

Check the VBAT or replace U500

Yes No

Is the U500 output working? Check R503, R505

Resolder R503, R505 or replace U500

Yes

No signal

Check the signals of speaker input

Check the circuit related to melody signal

OK

No Is Speaker working?

Change the Speaker

Yes

END

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Flow Chart of Troubleshooting

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Flow Chart of Troubleshooting

9-9. Key ? (for VGA)

Reconnect the VGA camera

Yes No Is there another problem?

Check SLC700, 701

Yes

Replace the camera module

END

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Flow Chart of Troubleshooting

9-20

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Flow Chart of Troubleshooting

9-12. LCD Back Light

Backlight does not work

Yes

No

Is BACKLIGHT set AlwaysON in the Menu?

Set BACKLIGHT on Always ON

Yes

No

C627 ≥ 3.5V

Replace or Resolder U603

Yes

No

U603 Pin 10, 11, 12 ='H'?

Check UCP300, U603

Yes

Replace the LCD

Yes

END

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Flow Chart of Troubleshooting

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Flow Chart of Troubleshooting

9-13. Key Back Light

Key Backlight does not work Yes

No Is BACKLIGHT set AlwaysON in the Menu?

Set BACKLIGHT on AlwaysON

Yes

No Replace or Resolder U600

VKEY_3.3V ≒ 3.3V?

Yes

END

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Flow Chart of Troubleshooting

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Flow Chart of Troubleshooting

9-14. GSM Receiver

RX ON RF input : CH center freq : +67.7kHz Amp : -50dBm

Yes No

C105 >= -65dBm

Resolder RFS100,C105,L103

Yes No

L117 >= -68dBm

Resolder F100

Yes No U100 pin 10, 11, 12, 13 >= 500mV

Resolder U100 or Check pins related to U100

Yes Check U100

END

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Flow Chart of Troubleshooting

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Flow Chart of Troubleshooting

9-15. GSM Transmitter

TX ON (5 Level)

Yes No

R117 >= -5dBm

Check U100

Yes No

C152 >= -10dBm

Resolder F102

Yes No F100 pin16 >= 25dBm

Resolder PAM100

Yes No C105 >= 25dBm

Resolder F100

Yes

Check UCP300(MSM)

END

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Flow Chart of Troubleshooting

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Flow Chart of Troubleshooting

9-16. DCS Receiver

RX ON RF input : CH center freq : +67.7kHz Amp : -50dBm

Yes No

C105 >= -65dBm

Resolder RFS100,C105,L103

Yes No

L113 >= -68dBm

Resolder F100

Yes No U100 pin 10, 11, 12, 13 >= 500mV

Resolder U100 or Check pins related to U100

Yes Check U100

END

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Flow Chart of Troubleshooting

9-30

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Flow Chart of Troubleshooting

9-17. DCS Transmitter

TX ON (0 Level)

Yes No

R120 >= -5dBm

Check U100

Yes No F100 pin14 >= 25dBm

Resolder PAM100

Yes No C105 >= 25dBm

Resolder F100

Yes

Check UCP300(MSM)

END

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Flow Chart of Troubleshooting

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Flow Chart of Troubleshooting

9-18. PCS Receiver

RX ON RF input : CH center freq : +67.7kHz Amp : -50dBm

Yes No

C105 >= -65dBm

Resolder RFS100,C105,L103

Yes No

L107 >= -68dBm

Resolder F100

Yes No U100 pin 10, 11, 12, 13 >= 500mV

Resolder U100 or Check pins related to U100

Yes Check U100

END

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Flow Chart of Troubleshooting

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Flow Chart of Troubleshooting

9-19. PCS Transmitter

TX ON (0 Level)

Yes No

R120 >= -5dBm

Check U100

Yes No F100 pin14 >= 25dBm

Resolder PAM100

Yes No C105 >= 25dBm

Resolder F100

Yes

Check UCP300(MSM)

END

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Flow Chart of Troubleshooting

9-36

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Flow Chart of Troubleshooting

9-20. WCDMA Receiver

RX ON

Yes No

C205 >= -65dBm

check and resolder DUX200

Yes No

C129 >= -55dBm

Resolder U100

Yes No L106, L112 >=-60dBm

Resolder F101(SAW)

Yes Check U100

END

9-37

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Flow Chart of Troubleshooting

9-38

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Flow Chart of Troubleshooting

9-21. WCDMA Transmitter

TX ON (PDM for 23dBm)

Yes No

F200 pin1 >= -10dBm

Check U100

Yes No L209 >= -10dBm

Resolder F200(W tx SAW)

Yes No C219 >= 15dBm

Resolder PAM200

Yes No C204 >= 15dBm

Resolder CPL200

Yes No C202 >= 15dBm

Resolder DUX200

Yes Check UCP300(MSM)

END

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Flow Chart of Troubleshooting

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10. Reference data Reference Abbreviate ― AAC: Advanced Audio Coding. ― AVC : Advanced Video Coding. ― BER : Bit Error Rate ― BPSK: Binary Phase Shift Keying ― CA : Conditional Access ― CDM : Code Division Multiplexing ― C/I : Carrier to Interference ― DMB : Digital Multimedia Broadcasting ― EN : European Standard ― ES : Elementary Stream ― ETSI: European Telecommunications Standards Institute ― MPEG: Moving Picture Experts Group ― PN : Pseudo-random Noise ― PS : Pilot Symbol ― QPSK: Quadrature Phase Shift Keying ― RS : Reed-Solomon ― SI : Service Information ― TDM : Time Division Multiplexing ― TS : Transport Stream

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Reference data

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11. Disassembly and Assembly Instructions 11-1. Disassembly Instructions

1

2

SCREW remove

REAR COVER separation

Remove SET SCREW 6 POINTs.

Separate REAR COVER from FRONT.

(SILVER 1 POINT)

3

MIC separation

4

FRONT HOOK separation

Separate MIC in SET.(When separate, keep in mind to Separate PBA from FRONT's HOOK. ※Take care of HOOK damage MIC F-PCB's CRACK.)

11-1

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Disassembly and Assembly Instructions

5

6

PBA separation

KEY PAD exclusion

Separate PBA ASS' Y from FRONT.

Remove KEY PAD on FRONT.

7

8

Image that is parted PBA ASS' Y

JOG KEY PAD separation Separate JOG KEY PAD from PBA ASS' Y.

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Disassembly and Assembly Instructions

9

10

SMD SHIELD CAN separation

MOTOR exclusion

Separate SMD SHIELD CAN from PBA ASS' Y.

Separate MOTOR from BRACKET.

11

12

SPEAKER exclusion

1.3MEGA CAMERA separation

Separate SPEAKER from BRACKET.

Separate 1.3 MEGA CAMERAs from BRACKET.

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Disassembly and Assembly Instructions

13

14

BRACKET separation

Anti-loose TAPE 1 exclusion

Separate BRACKET from PBA ASS' Y.

loosing that stick on 1.3 MEGA CAMERA CONNECTORs Remove prevention TAPE.

15

1.3MEGA CAMERA exclusion

Anti-loose TAPE 2 exclusion

Remove 1.3 MEGA CAMERAs from PBA.

Remove anti-loose TAPE that stick on VGA CAMERA CONNECTOR.

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Disassembly and Assembly Instructions

16

17

VGA CAMERA exclusion

LCD MODULE exclusion

Remove VGA CAMERA from PBA.

Remove LCD MODULE from PBA.

18

19

LCD SOLDERING PART exclusion

SPEAKER exclusion

Remove segment that become SOLDERING to PBA.

Remove SPEAKER that become SOLDERING on the PBA top portion

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Disassembly and Assembly Instructions

20

21

MOTOR exclusion

electric SPONGE 1 exclusion

Remove MOTOR that become SOLDERING on the PBA

Remove TAPE that is attached to PBA right side

top portion.

middle.

22

23

electric SPONGE 2 exclusion

3*4 KEY DOME SHEET exclusion

Remove TAPE that is attached to PBA left side

Remove 3*4 KEY DOME SHEET from PBA.

middle.

11-6

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Disassembly and Assembly Instructions

11-2. Assembly Instructions

1

2

3*4 KEY DOME SHEET attachment

electric SPONGE 1 attachment

Attach 3*4 KEY DOME SHEET from PBA.

Attach TAPE at PBA left side middle.

3

4

electric SPONGE 2 attachment

MOTOR SOLDERING

Attach TAPE at PBA left side middle.

Do MOTOR SOLDERING on the PBA top portion.

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Disassembly and Assembly Instructions

5

6

SPEAKER SOLDERING

MIC SOLDERING

Do SPEAKER SOLDERING on the PBA top portion.

Do MIC SOLDERING on PBA lower column.

7

8

LCD MODULE SOLDERING preparation

LCD MODULE SOLDERING

LCD MODULE sets LCD F-PCB to right and left side Do SOLDERING LCD F-PCB to PBA. HOLE before do SOLDERING.

11-8

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Disassembly and Assembly Instructions

10

9

LCD MODULE attachment

State that LCD MODULE attaches

Attach LCD MODULE that become SOLDERING to PBA.

11

12

VGA CAMERA Combination

Anti-loose TAPE 1 attachment

Combine VGA CAMERA to PBA's left side CONNECTOR. Attach anti-loose TAPE on VGA CAMERA CONNETOR.

11-9

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Disassembly and Assembly Instructions

13

14

1.3MEGA CAMERA Combination

Anti-loose TAPE 2 attachment

Combine 1.3 MEGA CAMERAs to PBA's right side CONNECTOR. Attach anti-loose TAPE on 1.3 MEGA CAMERA CONNETORs.

15

16

BRACKET assembly

1.3MEGA CAMERA Combination

Assemble BRACKET to PBA.

Combine To BARCKET 1.3 MEGA CAMERA

11-10

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Disassembly and Assembly Instructions

17

18

VGA CAMERA assembly

SPEAKER Combination

Assemble VGA CAMERA to BRACKET of the LCD MUDULE Combine SPEAKER to BRACKET. top portion.

19

17

MOTOR Combination

SHIELD CAN1 Combination

Combine MOTOR to BRAKCKET, like picture.

Combine SHIELD CAN in PBA left side lower part.

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Disassembly and Assembly Instructions

18

19

SHIELD CAN 2 Combination

JOG KEY PAD Combination

Combine SHIELD CAN in PBA left side lower part.

Combine JOG KEY PAD with picture.

20

21

MIC HOLDER Combination

State that become PBA ASS' Y

Combine HOLDER to MIC with picture.

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Disassembly and Assembly Instructions

22

23

3*4 KEY PAD Combination

PBA ASS' Y Combination

Combine 3*4 KEY PAD to FRONT.

Combine PBA ASS' Y to FRONT .

24

25

FRONT HOOK check

MIC Combination

Keep in mind PBA ASS' Y to HOOK when combine to

Combine To FRONT COVER MIC.

FRONT.

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Disassembly and Assembly Instructions

26

27

MAIN WINDOW attachment

REAR COVER assembly

Attach MAIN WINDOW to FRONT COVER.

Assemble REAR COVER to FRONT COVER, like picture.

28

29

SET assembly

SCREW Combination

When assemble SET, assemble over downward.

Tighten SCREW 6 POINTs to SET.

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