Samsung SGH-Z240 Service Manual Download Page 77

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SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-38

9-20. WCDMA Transmitter

Tx On

RF Input: 9750 CH

Out Power:24dBm

(Tx AGC 400)

Check C524,

Resolder or Change PAM501

YES

Check L507, C540

Resolder or Change

F501

PAM501(WCDMA PAM)

Pin #9 ≥ 20dBm ?

F501(UMTS Tx Saw)

Pin #3 ≥ -2dBm ?

U401(RTR6250)

Pin #51 ≥ -2dBm ?

Check the path of U401

Check C421 & C422 (TX IQ signal)

≥1V ?

Check & Resolder

UCP100(MSM6275)

YES

F502(duplexer)

Pin #3 ≥20dBm ?

Check C539, L509

Resolder or Change

F502

Tx On

RF Input: 9750 CH

Out Power:24dBm

(Tx AGC 400)

Check C524,

Resolder or Change PAM501

YES

Check L507, C540

Resolder or Change

F501

PAM501(WCDMA PAM)

Pin #9 ≥ 20dBm ?

F501(UMTS Tx Saw)

Pin #3 ≥ -2dBm ?

U401(RTR6250)

Pin #51 ≥ -2dBm ?

Check the path of U401

Check C421 & C422 (TX IQ signal)

≥1V ?

Check & Resolder

UCP100(MSM6275)

YES

F502(duplexer)

Pin #3 ≥20dBm ?

Check C539, L509

Resolder or Change

F502

RFS400( RF Connector)

Pin #2

≥20dBm ?

Resolder or Change

RFS400

Resolder or Change

U102

Check Front End Module

Control Path & NV data

END

YES

Resolder C519, L511 or

Change F502

F400(Front End Module )

Pin#12

≥20dBm ?

U102

C423=L C426=L C429=L ?

F400(Front End Module )

Pin#19

≥20dBm ?

RFS400( RF Connector)

Pin #2

≥20dBm ?

Resolder or Change

RFS400

Resolder or Change

U102

Check Front End Module

Control Path & NV data

END

YES

Resolder C519, L511 or

Change F502

F400(Front End Module )

Pin#12

≥20dBm ?

U102

C423=L C426=L C429=L ?

F400(Front End Module )

Pin#19

≥20dBm ?

Summary of Contents for SGH-Z240

Page 1: ...TS 1 Safety Precautions 2 Specification 3 Product Function 4 Array course control 5 Exploded View Disassembly and Assembly Instructions 6 MAIN Electrical Parts List 7 Block Diagrams 8 PCB Diagrams 9 Flow Chart of Troubleshooting 10 Reference data ...

Page 2: ...roduct Function 4 Array course control 4 1 Software Adjustments 4 1 4 2 Software Downloading 4 2 5 Exploded View Disassembly Assembly Instructions 5 1 Cellular phone Exploded View 5 1 5 2 Cellular phone Parts list 5 2 5 3 Disassembly Assembly Instructions 5 4 6 MAIN Electrical Parts List 7 Block Diagrams 7 1 Baseband Solution Block Diagrams 7 1 7 2 RF Solution Block Diagrams 7 2 8 PCB Diagrams ...

Page 3: ...12 9 7 Receiver Speaker Part 9 15 9 8 Charging Part 9 16 9 9 Key Data Input 9 18 9 10 Back Light for color Main LCD 9 19 9 11 Key Back Light 9 20 9 12 Camera Part 9 21 9 13 GSM Receiver 9 23 9 14 GSM Transmitter 9 25 9 15 DCS Receiver 9 28 9 16 DCS Transmitter 9 30 9 17 PCS Receiver 9 31 9 18 PCS Transmitter 9 33 9 19 WCDMA Receiver 9 34 9 20 WCDMA Transmitter 9 38 10 Reference data ...

Page 4: ...be worn away Use a thicken twisted wire when you measure level A thicken twisted wire has low resistance therefore error of measurement is few Repair after separate Test Pack and Set because for short danger for example an overcurrent and furious flames of parts etc when you repair board in condition of connecting Test Pack and tuning on Take specially care of soldering because Land of PCB is smal...

Page 5: ...ined your body before you touch semiconductor or parts with semiconductor There are ways that you touch an earthed place or wear static electricity prevention string on wrist Use earthed soldering steel when you connect or disconnect ESD Use soldering removing tool to break static electricity otherwise ESD will be damaged by static electricity Don t unpack until you set up ESD on product Because m...

Page 6: ...12 9888 DL 10562 10838 Tx Rx spacing 45MHz 95MHz 80MHz 190MHz Mod Bit rate Bit Period 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us 3 84Mcps Time Slot Period Frame Period 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms Frame length 10ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK QPSK HQPSK MS Power 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm 24dBm 50dBm Power Class 4 max 33dBm 1 max 30dBm 1 max 30dBm 3...

Page 7: ...Bm 11 8 4dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm TX Power control level GSM900 5 33 2 dBm 6 31 2 dBm 7 29 2 dBm 8 27 2 dBm 9 25 2 dBm 10 23 2 dBm 11 21 2 dBm 12 19 2 dBm 13 17 2 dBm 14 15 2 dBm 15 13 2 dBm 16 11 3 dBm 17 9 3dBm 18 7 3 dBm 19 5 3 dBm TX Power control level DCS1800 0 30 3 dBm 1 28 3 dBm 2 26 3 dBm 3 24 3 dBm 4 22 3 dBm 5 20 3 dBm 6 18 3 dBm 7 16 3 dBm 8 14 3 dBm 9 12 4 dBm 1...

Page 8: ...e used without Samsung s authorization Main Function Quad band 900 1800 1900 2100MHz 1 3 Mega Camera Image editor MP3 player Phonebook Name card Multimedia Message Service MMS Video Message E mail Voice recorder Bluetooth Get personal with photo caller ID Web browser WAP2 0 Java2 0 Calender H263 MPEG4 ...

Page 9: ...SAMSUNG Proprietary Contents may change without notice Product Function 3 2 This Document can not be used without Samsung s authorization ...

Page 10: ...not be used without Samsung s authorization 4 1 Software Adjustments 1 2 3 4 5 6 1 JIG Download Trace Calibration etc GH80 003308A 2 RF test cable RF test GH39 00397A 3 Test cable JIG to phone GH39 00478A 4 TA Travel Adaptor GH44 01207A 5 Data Link Cable USB cable GH39 00444A 6 Serial cable PC to JIG ...

Page 11: ...or user interface and various application Rsrc_Z240_Generic rc1 Files need for each application Rsrc2_Z240 Mid rc2 Power on off animation FactoryFs_A701_Telstra ffs Default file system to be put into in initial production 4 2 2 Pre requsite for Downloading Downloader Program FastMultiLoader V3 30 exe SGH Z240 Mobile Phone USB Data Link Cable Binary files 4 2 3 S W Downloader Program 1 Boot the Z24...

Page 12: ...Contents may change without notice Array course control 4 3 This Document can not be used without Samsung s authorization 3 Select the check box what you want to download 4 Select the binary file what you want to download ...

Page 13: ...trol 4 4 This Document can not be used without Samsung s authorization 5 Now press the button Port Search 6 Now press the button DownLoad 7 When downloading is complete UE reboot automatically If there is difference in FactoryFs bin UE will format file system automatically ...

Page 14: ...5 Exploded View Disassembly Assembly Instructions 5 1 Cellular phone Exploded View QFU05 QME01 QFU06 QFU02 QFU01 QCR57 QMI01 QMI03 QHI01 QHI09 QCR04 QPC01 QSP01 QCA01 QSP02 QLC01 QMO01 QMW02 QMW01 QCR05 QSC05 QFL01 QFR01 QRE01 QCR04 QBA01 QBC04 QBC01 QBC05 QSH01 QAN02 QMP01 QCB01 QKP01 QAR01 QSC07 QCK01 QVO01 QSD01 QRF03 ...

Page 15: ...9 ASSY DECO HINGE PLATE GH98 04142A QKP01 ASSY KEYPAD XEC D_SIL GH98 03806A QLC01 ELA ETC SGHZ240 LCD MODULE GH96 02330A QMO01 MOTOR DC SGHZ240 GH31 00303A QMP01 PBA MAIN SGHZ240 GH92 03273A QMW01 ASSY COVER MAIN WINDOW GH98 03805A QMW02 PCT COVER VGA WINDOW GH72 37759A QPC01 PCB CON TO CON GH41 01554A QSC05 MPR TAPE SCREW LOWER L GH74 30782A QSC07 MPR TAPE SCREW LOWER R GH74 30783A QSH01 ICT COVE...

Page 16: ...LE GH69 05108B RMO RUBBER LCD A GH73 08862A RMO RUBBER LCD B GH73 08863A RMO RUBBER LCD C GH73 08864A RMO RUBBER MSM GH73 09370A RMO RUBBER MEMORY GH73 09371A MPR REMOVE TAPE LCD GH74 13804A MPR BOHO VINYL LCD CONN GH74 15350A MPR TAPE LED GH74 17926A CONE TAPE SUB LCD INSUL GH74 19756A MPR TAPE GH74 27509A MPR INSU TAPE GH74 27511A MPR GASK TAPE GH74 27728A MPR GASK TAPE GH74 27928A MPR TAPE GH74...

Page 17: ...u detach the COVER please be cautious not to damage to the REAR COVER 1 Please be careful not to damage the F PCB of 3 4 KEY CONNECTOR LCD connector 2 Please be careful not to bend the INTENNA WIRE tip 5 3 Disassembly and Assembly Instructions Disassembly 1 Unscrew 6 Points 1 1 Detach the REAR cover using the Disassembler upside first and downside last 2 3 1 Pull out 3 4 key connector 2 Pull out L...

Page 18: ...l not to damage the Front 1 Please be careful not to damage the Folder Lower 1 Unlock the Red Circle Area 2 Please be careful not to damage the Folder Lower Folder Upper 4 5 6 7 1 Lift up bottom of the intenna with tweezers 1 Push the tip of the hinge inside the guide hole with tweezers 1 Take off 2 SCREW CAPs with tweezers 2 Unscrew 2 POINTs 1 Detach the Folder Upper cover using the Disassembler ...

Page 19: ...careful not to damage the VGA CAMERA 2 Please be careful not to damage the CAMERA FPCB 3 Please Use tweezers when separating the LCD FPCB from the LCD module preventing scratching the surface of the F PCB 8 9 1 Take off Conn Insu TAPE with tweezers Open up the Actuator and detach the F PCB 2 Open up the Actuator and detach the CAM connector F PCB 3 Detach SPKs MOT RCV by soldering ...

Page 20: ... damage the F PCB 1 Please be careful not to damage the Folder Lower 2 Please be careful not to damage the CAMERA module 1 Attach them in the right position on the silk marks in the LCD PCB 1 2 3 4 1 Solder SPKs MOT RCV as below 1 Insert the Con to con into the connector and push the Actuator to fix the F PCB Attach the INSU TAPE 2 Insert the CAM module as below 1 Put the LCD Ass y into the Folder...

Page 21: ...ored direction arrow 1 Please be careful not to damage the Folder Lower 1 Please be careful not to damage the CASEs 1 Please be careful not to damage the CASEs 5 6 7 8 1 Hook the UPPER case on the Folder LOWER 2 Push 4 points to be hooked firmly 1 Screw 2 points 2 Attach 2 SCREW CAPs as below 1 Combine the Folder Ass y to Front Ass y with Folder assembling Jig 1 Assemble the CHANGEABLE COVER as be...

Page 22: ...Please be careful not to damage the PBA 1 Please be careful not to damage the CASEs 9 10 11 12 1 Plug the INTENNA Cable to the INTENNA as below 2 Assemble the INTENNA the INTENNA WIRE to the FRONT CASE 1 Push the left side first and then right side of the PBA to be hooked on the LOCKER 1 Mate the 2 connectors as below 3 4 KEY LCD FPCB CONNECTOR Check the EMI gasket on the LCD CONNECTOR 2 Mate the ...

Page 23: ...ary Contents may change without notice Exploded View Disassembly Assembly Instructions 5 10 This Document can not be used without Samsung s authorization 1 Please be careful not to damage the CASEs 13 1 Screw 6 POINTs ...

Page 24: ...ER CHIP 2203 005806 SNA C116 C CER CHIP 2203 006194 SA C117 C CER CHIP 2203 006194 SA C118 C CER CHIP 2203 005806 SNA C119 C CER CHIP 2203 005806 SNA C120 C CER CHIP 2203 006562 SA C121 C CER CHIP 2203 006423 SA C122 C CER CHIP 2203 006423 SA C123 C CER CHIP 2203 006423 SA C124 C CER CHIP 2203 006423 SA C125 C CER CHIP 2203 006423 SA C127 C CER CHIP 2203 006423 SA C128 C CER CHIP 2203 006423 SA C1...

Page 25: ...06617 SA C180 C CER CHIP 2203 006423 SA C201 C CER CHIP 2203 006838 SA C202 C CER CHIP 2203 006708 SA C203 C CER CHIP 2203 005736 SA C204 C CER CHIP 2203 000386 SA C205 C CER CHIP 2203 006399 SA C206 C CER CHIP 2203 005779 SA C207 C CER CHIP 2203 005779 SA C208 C CER CHIP 2203 005779 SA C209 C CER CHIP 2203 006423 SA C210 C CER CHIP 2203 005736 SA C211 C CER CHIP 2203 000386 SA C212 C CER CHIP 220...

Page 26: ...006708 SA C250 C CER CHIP 2203 006708 SA C251 C CER CHIP 2203 005806 SNA C252 C CER CHIP 2203 005806 SNA C253 C CER CHIP 2203 005806 SNA C254 C CER CHIP 2203 006423 SA C255 C CER CHIP 2203 006423 SA C256 C TA CHIP 2404 001381 SA C257 C TA CHIP 2404 001381 SA C258 C CER CHIP 2203 006562 SA C259 C CER CHIP 2203 006562 SA C260 C CER CHIP 2203 005806 SNA C261 C CER CHIP 2203 006838 SA C262 C CER CHIP ...

Page 27: ...000812 SA C344 C CER CHIP 2203 006137 SA C346 C CER CHIP 2203 006137 SA C348 C CER CHIP 2203 000812 SA C349 C TA CHIP 2404 001381 SA C350 C TA CHIP 2404 001381 SA C351 C CER CHIP 2203 003054 SA C352 C CER CHIP 2203 000812 SA C353 C CER CHIP 2203 003054 SA C354 C CER CHIP 2203 000679 SA C355 C CER CHIP 2203 000627 SNA C356 C CER CHIP 2203 003054 SA C357 C CER CHIP 2203 006137 SA C358 C CER CHIP 220...

Page 28: ...006556 SA C423 C CER CHIP 2203 006556 SA C424 C CER CHIP 2203 005808 SA C425 C CER CHIP 2203 006423 SA C426 C CER CHIP 2203 006556 SA C427 C CER CHIP 2203 000725 SA C428 C CER CHIP 2203 000836 SA C429 C CER CHIP 2203 006556 SA C430 C CER CHIP 2203 006423 SA C431 C CER CHIP 2203 006423 SA C432 C CER CHIP 2203 005682 SA C433 C CER CHIP 2203 005682 SA C434 C CER CHIP 2203 000438 SA C436 C CER CHIP 22...

Page 29: ...712 SA C519 C CER CHIP 2203 001072 SA C520 C CER CHIP 2203 000438 SA C523 C CER CHIP 2203 000438 SA C524 INDUCTOR SMD 2703 002176 SA C525 C CER CHIP 2203 002668 SA C527 C CER CHIP 2203 000330 SA C530 C CER CHIP 2203 000438 SA C533 C CER CHIP 2203 000438 SA C534 C CER CHIP 2203 005736 SA C535 C CER CHIP 2203 006194 SA C536 C CER CHIP 2203 006194 SA C537 C CER CHIP 2203 006423 SA C539 C CER CHIP 220...

Page 30: ...L410 INDUCTOR SMD 2703 002267 SA L411 INDUCTOR SMD 2703 002819 SA L412 INDUCTOR SMD 2703 002506 SA L413 INDUCTOR SMD 2703 002819 SA L414 INDUCTOR SMD 2703 002205 SA L415 INDUCTOR SMD 2703 002819 SA L417 BEAD SMD 3301 001756 SA L418 BEAD SMD 3301 001756 SA L419 C CER CHIP 2203 005446 SA L420 INDUCTOR SMD 2703 002281 SA L421 INDUCTOR SMD 2703 002207 SA L501 INDUCTOR SMD 2703 002267 SA L502 INDUCTOR ...

Page 31: ...A R127 R CHIP 2007 009170 SA R128 R CHIP 2007 008516 SA R129 R CHIP 2007 008419 SA R130 R CHIP 2007 009170 SA R131 R CHIP 2007 009111 SA R132 R CHIP 2007 001217 SA R201 R CHIP 2007 009084 SA R202 R CHIP 2007 008516 SA R203 R CHIP 2007 008483 SA R204 R CHIP 2007 008516 SA R205 R CHIP 2007 000144 SA R207 R CHIP 2007 001298 SA R208 R CHIP 2007 008542 SA R209 R CHIP 2007 007468 SA R210 R CHIP 2007 008...

Page 32: ... R334 R CHIP 2007 001319 SA R335 R CHIP 2007 001319 SA R338 R CHIP 2007 001319 SA R339 R CHIP 2007 001319 SA R340 R CHIP 2007 000140 SA R341 R CHIP 2007 000140 SA R401 R CHIP 2007 007491 SA R402 BEAD SMD 3301 001802 SA R404 R CHIP 2007 008419 SA R405 R CHIP 2007 000171 SA R406 R CHIP 2007 000171 SA R407 R CHIP 2007 008542 SA R408 C CER CHIP 2203 000995 SA R409 C CER CHIP 2203 000995 SA R410 R CHIP...

Page 33: ...4 SA TCX500 OSCILLATOR VCTCXO 2809 001312 SA TR200 TR DIGITAL 0504 001113 SA U100 IC SWITCH 1205 002784 SA U101 IC HALL EFFECT S W 1009 001020 SA U103 IC ANALOG MULTIPLEX 1001 001405 SA U104 IC ANALOG SWITCH 1001 001221 SA U105 IC MCP 1108 000105 SA U201 IC SWITCH 1205 002784 SA U202 IC POSI FIXED REG 1203 003754 SA U203 IC VOL DETECTOR 1203 004124 SA U204 IC BATTERY 1203 003823 SA U205 IC ANALOG ...

Page 34: ...t be used without Samsung s authorization Design LOC Description SEC Code STATUS ZD201 DIODE SCHOTTKY 0404 001172 SA ZD300 DIODE TVS 0406 001201 SA ZD302 DIODE ZENER 0403 001427 SA ZD303 DIODE ZENER 0403 001547 SA ZD306 DIODE ZENER 0403 001547 SA ZD307 DIODE TVS 0406 001190 SA ZD308 DIODE TVS 0406 001190 SA ...

Page 35: ...SAMSUNG Proprietary Contents may change without notice Main Electrical Parts List 6 12 This Document can not be used without Samsung s authorization ...

Page 36: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 7 Block Diagrams 7 1 7 1 Baseband Solution Block Diagram ...

Page 37: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams This Document can not be used without Samsung s authorization 7 2 7 2 RF Solution Block Diagram ...

Page 38: ...SAMSUNG Proprietary Contents may change without notice 8 PCB Diagrams 8 1 This Document can not be used without Samsung s authorization Top ...

Page 39: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams 8 2 This Document can not be used without Samsung s authorization Bottom ...

Page 40: ...Change the Battery END No Yes R211 PS_HOLD 2 6V Check the PMIC related to PS_HOLD No Yes Check the Clock at OSC200 32KHZ Resolder OSC200 No Yes L205 VREG_MSMC 1 375V Check the PAM201 PMIC No Yes L206 VREG_MSME 1 8V C238 VREG_MSMP 2 6V C239 VREG_MSMA 2 6V C233 VREG_TCXO 2 8V Check the PAM201 PMIC No Yes Check for the clock at C210 19 2MHz Check the clock generation circuit related to TCX500 No Yes ...

Page 41: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 2 Power Management IC Power On ...

Page 42: ...e Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 3 9 2 Initial Initial Failure PAM201 PIN9 PON_RESET_N H Check the PAM201 PMIC END No Yes Is HEA300 pin 18 nRESET_LCD OK Yes Yes No Check the LCD RESET Circuit ...

Page 43: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 4 LCD CONNECTOR HEADER 60PIN 1 5T ...

Page 44: ...be used without Samsung s authorization 9 5 9 3 SIM Part C216 VREG_USIM_3V H Phone can t access SIM Card Check the SIM POWER Check the SIM Card END No Yes Yes Yes No Check the 32KHz OSC200 After Power ON Check SIM_CLK Signal on C214 in a few second Yes No Replace PBA After SIM card insert C213 USIM_RST H Yes ...

Page 45: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 6 T flash USIM Socket SIM ...

Page 46: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 7 ...

Page 47: ... does not work Yes Not OK Check the connection from MIC Resolder MIC Yes Replace the MIC OK Is Phone MIC working OK Replace the MIC Check the circuit from CN301 pin 18 20 to MIC Yes Resolder R332 R334 R338 R341 C346 C350 C354 C355 C358 Check the circuit from UCP100 MSM6250 to CN301 pin 18 20 OK END Resolder U301 U301 pin 1 1 8V When UCP100 operate and call is connected Not OK No Not OK No ...

Page 48: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 9 ...

Page 49: ... Microphone Part Earphone MIC Earphone mic does not work Yes Not OK Check the connection from IFC300 Resolder IFC300 pin 3 4 Yes Check UCP100 Is Earphone MIC working OK Yes Resolder C344 C349 C357 R333 R335 R339 R340 Check the circuit from UCP100 to IFC301 pin 3 4 OK END Resolder U301 U301 pin 1 1 8V When UCP100 operate and call is connected No Not OK No ...

Page 50: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 11 ...

Page 51: ...rization Flow Chart of Troubleshooting 9 12 9 6 Earphone Part Earphone does not work Yes No C338 C339 1V Check UCP100 Yes Yes Replace the earphone and check UCP100 Is earphone working Yes Resolder IFC300 IFC300 pin5 TRST_EARR and pin 7 TMS_EARL Is connected correctly Yes END Replace U302 C374 C375 1V No No No ...

Page 52: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 13 ...

Page 53: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 14 ...

Page 54: ...ting This Document can not be used without Samsung s authorization 9 15 9 7 Receiver Speaker Part Receiver does not work Yes Not OK Terminal of receiver is ok Resolder the Receiver Yes Are there any signal at the C372 C373 Not OK OK END Check the LCD Module Check the UCP100 MSM6250 ...

Page 55: ...This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 16 9 8 Charging Part Abnormal charging part Yes Not OK C267 VEXT_5V 5V Resolder IFC300 OK Yes Check the Battery TA OK END Replace U204 U204 pin5 CHG_INDICATE H No ...

Page 56: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 17 ...

Page 57: ...e used without Samsung s authorization Flow Chart of Troubleshooting 9 18 9 9 Key Data Input When one of the keys is pushed is it displayed on LCD Check the Dome sheet END No Yes Yes Check Initial Operation When one of the keys is pushed KEY_IO signal is OK Replace the PBA No Yes ...

Page 58: ...ocument can not be used without Samsung s authorization 9 19 9 10 Back Light for Color Main LCD Is LCD contrast set on high level in the Menu Set LCD contrast on high level END No Yes Yes Backlight does not work LCD_BACKLIGHT H Check the HEA300 LCD Connector No Yes Yes Replace the LCD Module ...

Page 59: ...ument can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 20 9 11 Key Back Light Is BACKLIGHT set AlwaysON in the Menu Set BACKLIGHT on AlwaysON END No Yes Yes Key Backlight does not work CN301 pin 17 KEY_LED_ON H No Replace Key FPCB Yes ...

Page 60: ...orization 9 21 9 12 Camera part Camera function does not work Yes No Connect the camera module correctly Check the Camera connector on the LCD module Yes Check Pin5 of the CAM_CON 25MHz Connect the LCD_CON with FPCB firmly Yes No END Replace the camera module Check C18 C19 C19 2 8V C18 1 5V No Replace U11 Yes Is there another problem Yes ...

Page 61: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 22 LCD PART ...

Page 62: ...Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 23 9 13 GSM Receiver RX ON RF input CH center freq 67 7kHz Amp 50dBm Yes C406 60dBm No Resolder RFS400 Yes L403 65dBm No Resolder F400 FEM Yes Resolder U401 RTR6250 Yes END ...

Page 63: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 24 ...

Page 64: ...t be used without Samsung s authorization 9 25 9 14 GSM Transmitter PAM401 Pin4 1V Resolder PAM401 TX ON 5Level Resolder VCO400 TXVCO VCO400 TXVCO pin1 2dBm PAM401 pin17 20dBm F400 FEM pin12 25dBm Resolder or change PAM401 Resolder or change F400 FEM Yes Yes Yes Yes No No No No END Check UCP101 MSM6250 Yes ...

Page 65: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 26 ...

Page 66: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 27 ...

Page 67: ...his Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 28 9 15 DCS Receiver C406 60dBm Resolder RFS400 No RX ON RF input CH center freq 67 7kHz Amp 50dBm Yes L408 65dBm Resolder F400 END No Resolder U401 RTR6250 Yes Yes ...

Page 68: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 29 ...

Page 69: ...ung s authorization Flow Chart of Troubleshooting 9 30 9 16 DCS Transmitter PAM401 pin4 1V Resolder PAM401 PAM TX ON 0Level VCO400 TXVCO pin5 2dBm PAM401 pin20 15dBm F400 FEM pin12 20dBm Resolder PAM401 Resolder F400 FEM Yes Yes Yes Yes No No No No END Check UCP101 MSM6250 Yes Resolder VCO400 TXVCO ...

Page 70: ...low Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 31 9 17 PCS Receiver Yes Yes Resolder U401 RTR6250 No END Resolder F400 L414 65dBm Yes RX ON RF input CH center freq 67 7kHz Amp 50dBm No Resolder RFS400 C406 60dBm ...

Page 71: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 32 ...

Page 72: ...t can not be used without Samsung s authorization 9 33 9 18 PCS Transmitter TX ON 0Level Yes PAM401 Pin4 1V No Resolder PAM401 PAM VCO400 TXVCO pin5 2dBm Yes Resolder VCO400 TXVCO No Yes No Resolder PAM401 PAM401 pin20 15dBm Yes F400 FEM pin12 20dBm No Resolder F400 FEM Yes Check UCP101 MSM6250 END ...

Page 73: ... End Module Pin 19 50dBm Check or Resolder L508 C527 YES F502 Duplexer Pin 5 50dBm Resolder L511 or Change F502 U505 RFR6250 ULNA_IN Pin 18 65dBm Resolder or Change F400 Check Front End Module Control Path check NV data NO YES U505 RFR6250 ULNA_OUT Pin 14 65dBm Resolder or Change U505 YES YES YES YES YES NO NO NO NO F400 C423 L C426 L C429 L Resolder or Change U505 RFR6250 U505 RX IQ signal 1V VRE...

Page 74: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 35 ...

Page 75: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 36 ...

Page 76: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 37 ...

Page 77: ...heck L507 C540 Resolder or Change F501 PAM501 WCDMA PAM Pin 9 20dBm F501 UMTS Tx Saw Pin 3 2dBm U401 RTR6250 Pin 51 2dBm Check the path of U401 Check C421 C422 TX IQ signal 1V Check Resolder UCP100 MSM6275 YES YES YES YES YES NO NO NO NO F502 duplexer Pin 3 20dBm Check C539 L509 Resolder or Change F502 RFS400 RF Connector Pin 2 20dBm Resolder or Change RFS400 Resolder or Change U102 Check Front En...

Page 78: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 39 ...

Page 79: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 40 ...

Page 80: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 41 ...

Page 81: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 42 ...

Page 82: ...K 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 Divi...

Page 83: ...SAMSUNG Proprietary Contents may change without notice Reference data 10 2 This Document can not be used without Samsung s authorization ...

Page 84: ...be punished under applicable International and or domestic law Country Web Site North America service samsungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China china samsungportal com Asia asia samsungportal com Mideast Africa mea samsungportal com GSPN Global Service Partner Network ...

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Samsung SGH-Z240, Service Manual

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Summary of Contents for SGH-Z240

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