Sharp SGH-J200 manual Speaker Part

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Flow Chart of Troubleshooting

9-8. Speaker Part

Speaker does not work

Yes

Check the supply voltage

of U500

Is the U503 =3.8V?

Yes

Is the U500 output

working?

Check R503, R505

Yes

Check the signals of speaker input

OK

Is Speaker working?

Yes

END

No

No

No signal

No

Check the VBAT or replace U500

Resolder R503, R505 or replace U500

Check the circuit related to

melody signal

Change the Speaker

9-14

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

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Contents GSM Telephone CIS Country Web SiteRepair Precaution Safety PrecautionsESDElectrostatically Sensitive Devices Precaution Egsm DCS1800 PCS1900 SpecificationTX Power GSM900 DCS1800 PCS1900 Control level GSM Tx Power ClassMain Function Product FunctionProduct Function Array course control Software AdjustmentsPre-requsite for Downloading Downloading Binary FilesRED Screen 3. S/W Downloader ProgramSelect the binary file what you want to download Samsung Proprietary-Contents may change without notice Cellular phone Exploded View Exploded View and Parts ListCellular phone Parts List SCREW-TAPPING Samsung Proprietary-Contents may change without notice Status Main Electrical Parts ListTA,CHIP C324 C426 COUPLER-DIRECTION DIODE-ZENER CRYSTAL-SMD R300 CONNECTOR-COAXIAL SWITCH-TACT RF Solution Block Diagram Block DiagramsMSM6245 Base Band Solution Block DiagramPCB Diagrams Bottom Power On Flow Chart of TroubleshootingFlow Chart of Troubleshooting Initial Charging Part Samsung Proprietary-Contents may change without notice SIM Part Samsung Proprietary-Contents may change without notice Microphone Part Phone MIC Samsung Proprietary-Contents may change without notice Microphone Part Earphone MIC Samsung Proprietary-Contents may change without notice Earphone Part Samsung Proprietary-Contents may change without notice Speaker Part Samsung Proprietary-Contents may change without notice Key Data Input LCD part Samsung Proprietary-Contents may change without notice Camera part Samsung Proprietary-Contents may change without notice LCD Back Light Samsung Proprietary-Contents may change without notice Key Back Light Samsung Proprietary-Contents may change without notice RX on GSM ReceiverSamsung Proprietary-Contents may change without notice GSM Transmitter Samsung Proprietary-Contents may change without notice DCS Receiver Samsung Proprietary-Contents may change without notice DCS Transmitter Samsung Proprietary-Contents may change without notice PCS Receiver Samsung Proprietary-Contents may change without notice PCS Transmitter Samsung Proprietary-Contents may change without notice Wcdma Receiver Samsung Proprietary-Contents may change without notice Wcdma Transmitter Samsung Proprietary-Contents may change without notice Reference Abbreviate Reference dataReference data 10-2 Screw remove Disassembly and Assembly InstructionsRear Cover separation MIC separationPBA separation KEY PAD exclusionImage that is parted PBA ASS Y JOG KEY PAD separation Motor exclusion SMD Shield can separationSpeaker exclusion 3MEGA Camera separationAnti-loose Tape 1 exclusion Bracket separation3MEGA Camera exclusion Anti-loose Tape 2 exclusionVGA Camera exclusion LCD Module exclusionLCD Soldering Part exclusion Electric Sponge 1 exclusion Electric Sponge 2 exclusionKEY Dome Sheet exclusion KEY Dome Sheet attachment Electric Sponge 1 attachmentElectric Sponge 2 attachment Do Speaker Soldering on the PBA top portion LCD Module Soldering preparationDo MIC Soldering on PBA lower column To right and left side Do Soldering LCD F-PCB to PBAState that LCD Module attaches VGA Camera Combination LCD Module attachmentAnti-loose Tape 1 attachment Attach anti-loose Tape on VGA Camera Connetor3MEGA Camera Combination Anti-loose Tape 2 attachment Bracket assembly3MEGA Camera Combination Assemble Bracket to PBASpeaker Combination VGA Camera assemblyMotor Combination Shield CAN1 CombinationJOG KEY PAD Combination Shield can 2 CombinationMIC Holder Combination State that become PBA ASS YPBA ASS Y Combination KEY PAD CombinationFront Hook check MIC Combination Combine 3*4 KEY PAD to FrontSET assembly Rear Cover assemblyMain Window attachment Screw Combination