Sharp SGH-J200 manual Microphone Part Phone MIC

Page 39

Flow Chart of Troubleshooting

9-5. Microphone Part - Phone MIC

Microphone does not work

Yes

Check the connection from MIC

OK

Check the circuit from UCP300 to MIC

OK

Check the MIC

OK

END

Not OK

Resolder MIC

Not OK

Resolder the R507, R509, R513, R514

Not OK

Replace the MIC

9-8

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Image 39

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 MIC separation Disassembly and Assembly InstructionsScrew remove Rear Cover separationPBA separation KEY PAD exclusionImage that is parted PBA ASS Y JOG KEY PAD separation 3MEGA Camera separation SMD Shield can separationMotor exclusion Speaker exclusionAnti-loose Tape 2 exclusion Bracket separationAnti-loose Tape 1 exclusion 3MEGA Camera 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 To right and left side Do Soldering LCD F-PCB to PBA LCD Module Soldering preparationDo Speaker Soldering on the PBA top portion Do MIC Soldering on PBA lower columnAttach anti-loose Tape on VGA Camera Connetor LCD Module attachmentState that LCD Module attaches VGA Camera Combination Anti-loose Tape 1 attachmentAssemble Bracket to PBA Bracket assembly3MEGA Camera Combination Anti-loose Tape 2 attachment 3MEGA Camera CombinationShield CAN1 Combination VGA Camera assemblySpeaker Combination Motor CombinationState that become PBA ASS Y Shield can 2 CombinationJOG KEY PAD Combination MIC Holder CombinationCombine 3*4 KEY PAD to Front KEY PAD CombinationPBA ASS Y Combination Front Hook check MIC CombinationScrew Combination Rear Cover assemblySET assembly Main Window attachment