Samsung SGH-L170 Service Manual Download Page 1

Page: 1 / 80

GSM TELEPHONE

SGH-L170

1. Safety Precautions

2. Specification

3. Product Function

4. Array course control

5. Exploded View and Parts list

6. MAIN Electrical Parts List

7. Disassembly and Assembly

Instructions

8. Block Diagrams

9. PCB Diagrams

10. Chart of Troubleshooting

11. Reference data

GSM TELEPHONE

CONTENTS

efrcom

Summary of Contents for SGH-L170

Page 1: ...ation 3 Product Function 4 Array course control 5 Exploded View and Parts list 6 MAIN Electrical Parts List 7 Disassembly and Assembly Instructions 8 Block Diagrams 9 PCB Diagrams 10 Chart of Troubleshooting 11 Reference data GSM TELEPHONE CONTENTS efrcom ...

Page 2: ...d or domestic law Samsung Electronics Co Ltd 2008 02 Rev 1 0 ⓒ 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 ...

Page 3: ...orn 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 small an...

Page 4: ...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 5: ...L 9612 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 Slot length 0 667ms Modulation GSM GPRS 0 3GMSK 0 3GMSK 0 3GMSK QPSK HQPSK EDGE 8PSK 8PSK 8PSK MS Power 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm 24dBm 50...

Page 6: ...Bm 9 12 4 dBm 10 10 4 dBm 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 2 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 ...

Page 7: ...0mAh Inner 653039H BB Qualcomm MSM6245 RF Qualcomm RTR6275 LCD 1 6 220 176 262K TFT SDI Memory 1G NAND 512Mb SDRAM external microSD T Flash Camera 2 0M CMOS LSI VGA QCIF 서울전자통신 TOUCH KEY SYNAPTICS BT FM Braodcom BCM2048 FM Radio with RDS Bluetooth 2 0 S W Video Telephony Streaming USB 2 0 MP3 72 Poly Melody WAP2 0 MPEG4 MIDP 2 0 cldc 1 1 Mobile Blog Rss Reader FM Radio with RDS Music Search Blueto...

Page 8: ...y course control 4 1 This Document can not be used without Samsung s authorization 4 1 Software Adjustments Test Jig GH80 03308A Test Cable GH39 00886A or GH39 00889A Serial Cable Power Supply Cable RF Test Cable GH39 00397A DATA CABLE GH39 00922A or GH39 00922B ...

Page 9: ...Mobile Phone Data Cable Binary file 4 2 2 Pre requsite for Downloading Downloader Program SGH L170 Mobile Phone Data Cable Binary file 4 2 3 S W Downloader Program 1 Boot the L170 by pressing Power ON key Number 9 Key at the same time If you do properly you can see the DOWNLOAD mode screen on the LCD 2 Load the binary download program by executing the Downloader V5 30 exe If you connect the data c...

Page 10: ...without notice Array course control 4 3 This Document can not be used without Samsung s authorization 3 Select chipset MSM6245 Next check the boot change and check the full download 4 Select the binary files Boot Modem Rsrc1 Rsrc2 Factory FS ...

Page 11: ...Samsung s authorization 5 Now press the button Port Search Model name is displayed additionally in COM port screen 6 Now click the button DownLoad Download progressing bar is starting 7 When downloading is complete UE reboot automatically If there is difference in FactoryFs bin UE will format file system automatically ...

Page 12: ... 5 Exploded View and Parts List 5 1 This Document can not be used without Samsung s authorization 5 1 Cellular phone Exploded View QMW01 QKP01 QLC01 QFR01 QMP01 QSP01 QCA01 QVO08 QRE01 QRF01 QCR70 QCR69 QME03 QMO01 QCR70 QBA01 QBA00 QCK01 QVO01 QCK02 QIF01 ...

Page 13: ...ING 6002 001402 QFR01 ASSY CASE FRONT GH98 06461A QKP01 ASSY KEYPAD FMG MSS GH98 07459A QLC01 LCD MODULE SGHL170 GH07 01209A QME03 KEY FPCB SGHL170 TOUCH 34 KEY GH59 05081A QMO01 MOTOR DC SCH S269 GH31 00319A QMP01 PBA MAIN SGHL170S GH92 04414A QMW01 ASSY COVER MAIN WINDOW GH98 06465A QRE01 ASSY CASE REAR GH98 06463A QRF01 TAPE RF SHEET GH74 35355A QSP01 ASSY ETC SGHL170 SPK INT ASS Y GH59 05124A ...

Page 14: ...D503 DIODE TVS SA 0406 001231 ZD605 DIODE TVS SA 0406 001231 ZD606 DIODE TVS SA 0406 001254 ZD600 DIODE TVS SA 0406 001254 ZD701 DIODE TVS SA 0406 001254 ZD702 DIODE TVS SA 0406 001254 ZD703 DIODE TVS SA 0406 001254 ZD704 DIODE TVS SA 0407 001002 D402 DIODE ARRAY SA 0407 001002 D600 DIODE ARRAY SA 0504 000168 Q400 TR DIGITAL SA 0504 000168 Q401 TR DIGITAL SA 0504 001151 Q200 TR DIGITAL SA 1001 001...

Page 15: ...R SA 1205 003285 U200 IC TRANSCEIVER SA 1404 001224 TH300 THERMISTOR NTC SA 1405 001110 V400 VARISTOR SA 1405 001133 V700 VARISTOR SA 1405 001133 V702 VARISTOR SA 1405 001133 V704 VARISTOR SA 1405 001201 V708 VARISTOR SA 1405 001201 V709 VARISTOR SA 1405 001201 V711 VARISTOR SA 1405 001201 V712 VARISTOR SA 1405 001201 V713 VARISTOR SA 1405 001201 V714 VARISTOR SA 1405 001201 V715 VARISTOR SA 1405 ...

Page 16: ...IP SA 2007 007468 R414 R CHIP SA 2007 007489 R109 R CHIP SA 2007 007528 R501 R CHIP SA 2007 007741 R302 R CHIP SA 2007 007741 R310 R CHIP SA 2007 007741 R319 R CHIP SA 2007 007741 R321 R CHIP SA 2007 007766 R116 R CHIP SA 2007 008044 R203 R CHIP SA 2007 008045 R115 R CHIP SA 2007 008045 R204 R CHIP SA 2007 008045 R213 R CHIP SA 2007 008045 R511 R CHIP SA 2007 008045 R618 R CHIP SA 2007 008045 R706...

Page 17: ...P SA 2007 008419 R603 R CHIP SA 2007 008419 R605 R CHIP SA 2007 008419 R606 R CHIP SA 2007 008477 R401 R CHIP SNA 2007 008478 R503 R CHIP SA 2007 008478 R506 R CHIP SA 2007 008483 R402 R CHIP SA 2007 008483 R429 R CHIP SA 2007 008483 R601 R CHIP SA 2007 008483 R612 R CHIP SA 2007 008483 R615 R CHIP SA 2007 008483 R622 R CHIP SA 2007 008486 R415 R CHIP SA 2007 008486 R417 R CHIP SA 2007 008486 R620...

Page 18: ...IP SA 2007 008542 R701 R CHIP SA 2007 008542 R703 R CHIP SA 2007 008542 R707 R CHIP SA 2007 008542 R708 R CHIP SA 2007 008544 R212 R CHIP SA 2007 008544 R502 R CHIP SA 2007 008544 R507 R CHIP SA 2007 008548 R604 R CHIP SA 2007 008588 R704 R CHIP SA 2007 008588 R705 R CHIP SA 2007 008647 R208 R CHIP SA 2007 008648 R437 R CHIP SA 2007 008648 R600 R CHIP SA 2007 008648 R610 R CHIP SA 2007 008648 R611...

Page 19: ... R CHIP SA 2007 009171 R311 R CHIP SA 2007 009171 R312 R CHIP SA 2007 009171 R313 R CHIP SA 2007 009171 R314 R CHIP SA 2007 009171 R315 R CHIP SA 2007 009171 R416 R CHIP SA 2007 009171 R418 R CHIP SA 2007 009208 R510 R CHIP SA 2007 009208 R513 R CHIP SA 2007 009408 R436 R CHIP SA 2007 009410 R433 R CHIP SA 2007 009801 R205 R CHIP SA 2203 000138 C419 C CER CHIP SA 2203 000254 C205 C CER CHIP SA 220...

Page 20: ... CHIP SA 2203 000812 C523 C CER CHIP SA 2203 000812 C524 C CER CHIP SA 2203 000836 C245 C CER CHIP SA 2203 000854 C111 C CER CHIP SA 2203 000995 C105 C CER CHIP SA 2203 000995 C119 C CER CHIP SA 2203 000995 C120 C CER CHIP SA 2203 000995 C454 C CER CHIP SA 2203 002668 C208 C CER CHIP SA 2203 002677 C204 C CER CHIP SA 2203 002709 C116 C CER CHIP SA 2203 002709 C130 C CER CHIP SA 2203 002709 C700 C ...

Page 21: ... CHIP SA 2203 005683 C220 C CER CHIP SA 2203 005683 C221 C CER CHIP SA 2203 005683 C355 C CER CHIP SA 2203 005683 C514 C CER CHIP SA 2203 005683 C515 C CER CHIP SA 2203 005683 C708 C CER CHIP SA 2203 005683 C709 C CER CHIP SA 2203 005683 C710 C CER CHIP SA 2203 005683 C711 C CER CHIP SA 2203 005683 C712 C CER CHIP SA 2203 005683 C713 C CER CHIP SA 2203 005683 C714 C CER CHIP SA 2203 005725 C211 C ...

Page 22: ...HIP SA 2203 005742 C219 C CER CHIP SA 2203 005777 C253 C CER CHIP SA 2203 005806 C248 C CER CHIP SNA 2203 005806 C251 C CER CHIP SNA 2203 005806 C430 C CER CHIP SNA 2203 005806 C437 C CER CHIP SNA 2203 005808 C254 C CER CHIP SA 2203 006048 C104 C CER CHIP SA 2203 006048 C308 C CER CHIP SA 2203 006048 C431 C CER CHIP SA 2203 006120 C213 C CER CHIP SA 2203 006120 C214 C CER CHIP SA 2203 006120 C216 ...

Page 23: ... CHIP SA 2203 006305 C429 C CER CHIP SA 2203 006307 C606 C CER CHIP SA 2203 006324 C206 C CER CHIP SA 2203 006399 C115 C CER CHIP SA 2203 006399 C129 C CER CHIP SA 2203 006399 C132 C CER CHIP SA 2203 006399 C324 C CER CHIP SA 2203 006399 C325 C CER CHIP SA 2203 006423 C125 C CER CHIP SA 2203 006423 C209 C CER CHIP SA 2203 006423 C222 C CER CHIP SA 2203 006423 C233 C CER CHIP SA 2203 006423 C234 C ...

Page 24: ...CHIP SA 2203 006423 C335 C CER CHIP SA 2203 006423 C337 C CER CHIP SA 2203 006423 C340 C CER CHIP SA 2203 006423 C341 C CER CHIP SA 2203 006423 C342 C CER CHIP SA 2203 006423 C344 C CER CHIP SA 2203 006423 C346 C CER CHIP SA 2203 006423 C348 C CER CHIP SA 2203 006423 C349 C CER CHIP SA 2203 006423 C350 C CER CHIP SA 2203 006423 C351 C CER CHIP SA 2203 006423 C352 C CER CHIP SA 2203 006423 C354 C C...

Page 25: ... CHIP SA 2203 006562 C604 C CER CHIP SA 2203 006562 C605 C CER CHIP SA 2203 006562 C607 C CER CHIP SA 2203 006562 C609 C CER CHIP SA 2203 006562 C612 C CER CHIP SA 2203 006562 C614 C CER CHIP SA 2203 006562 C615 C CER CHIP SA 2203 006562 C616 C CER CHIP SA 2203 006562 C618 C CER CHIP SA 2203 006562 C620 C CER CHIP SA 2203 006562 C715 C CER CHIP SA 2203 006562 C718 C CER CHIP SA 2203 006562 C720 C ...

Page 26: ... CHIP SA 2203 006838 C415 C CER CHIP SA 2203 006838 C416 C CER CHIP SA 2203 006838 C424 C CER CHIP SA 2203 006838 C453 C CER CHIP SA 2203 006838 C610 C CER CHIP SA 2203 006838 C611 C CER CHIP SA 2203 006838 C613 C CER CHIP SA 2203 006838 C617 C CER CHIP SA 2203 006838 C619 C CER CHIP SA 2203 006838 C722 C CER CHIP SA 2203 006839 C118 C CER CHIP SA 2203 006839 C432 C CER CHIP SA 2203 006839 C433 C ...

Page 27: ...506 INDUCTOR SMD SA 2703 002313 L116 INDUCTOR SMD SA 2703 002313 L500 INDUCTOR SMD SA 2703 002313 L502 INDUCTOR SMD SA 2703 002782 L400 INDUCTOR SMD SA 2703 002782 L401 INDUCTOR SMD SA 2703 002782 L402 INDUCTOR SMD SA 2703 002793 L205 INDUCTOR SMD SA 2703 002795 L112 INDUCTOR SMD SNA 2703 002795 L114 INDUCTOR SMD SNA 2703 002901 L108 INDUCTOR SMD SNA 2703 002907 L103 INDUCTOR SMD SNA 2703 002907 L...

Page 28: ...02 FILTER EMI SMD SA 2901 001408 F703 FILTER EMI SMD SA 2904 001658 F200 FILTER SAW SA 2904 001702 F202 FILTER SAW SA 2904 001703 F101 FILTER SAW SA 2904 001812 F100 FILTER SAW SA 2909 001279 F102 FILTER LC SA 2910 000031 DUP200 DUPLEXER SAW SA 3301 001208 L505 BEAD SMD SA 3301 001208 L507 BEAD SMD SA 3301 001534 L403 BEAD SMD SA 3301 001659 L117 BEAD SMD SA 3301 001729 L601 BEAD SMD SA 3404 00130...

Page 29: ...N CLIP SA GH70 02640A CLIP307 ICT SHIELD CAN CLIP SA GH70 02640A CLIP308 ICT SHIELD CAN CLIP SA GH70 02640A CLIP309 ICT SHIELD CAN CLIP SA GH70 02640A CLIP310 ICT SHIELD CAN CLIP SA GH70 02640A CLIP311 ICT SHIELD CAN CLIP SA GH70 02640A CLIP312 ICT SHIELD CAN CLIP SA GH70 02640A CLIP313 ICT SHIELD CAN CLIP SA GH70 02640A CLIP315 ICT SHIELD CAN CLIP SA GH70 02640A CLIP316 ICT SHIELD CAN CLIP SA GH7...

Page 30: ...1 Remove the BATTERY COVER 2 Remove the SCREWs 6 points 1 Disassemble the PBA Assy from FRONT Be careful of crack antenna soldering pad 1 Disassemble the CAMERA from PBA assy 2 Disassemble the Side belt from FRONT 1 Disassemble REAR case with being careful of the LOCKER position 2 Open the REAR case from the FRONT 3 Disassemble LCD KEY FPCB from two connectors of PBA Side belt 3 4 ...

Page 31: ...thorization 5 8 7 6 1 Remove rubbers in 2 flange position 1 Open the Main window from bottom position to the top Caution Be careful not to make a scratch on Main window Be careful not to damage on Main window Be careful not to damage on Touch key sensor in KEY FPCB 1 Disassemble the MOTOR from the FRONT 1 Remove The Black film from FRONT ...

Page 32: ...ange without notice Exploded View and Parts List 7 3 This Document can not be used without Samsung s authorization 9 10 1 Disassemble LCD from FRONT by using LCD disassembly hole 1 Pick out 4 flanges from FRONT 2 Detach KEYPAD from FRONT ...

Page 33: ...semble KEYPAD with FRONT by inserting flanges of bottom side at first 2 Set up flanges 4 points into FRONT back side 1 Assemble LCD with FRONT from bottom side 2 Assemble KEY PBA with FRONT by inserting MIC portion at first 3 Arrange MIC part into FRONT by pushing slightly Do not push with strong force 1 Insert rubbers 2 points Protection for separation KEYPAD from FRONT ...

Page 34: ...d without Samsung s authorization 3 5 4 1 Check up flange joint status 2 Insert MOTOR on FRONT 3 Arrange MOTOR wire by pushing a wire lightly 1 Solder MOTOR wire Red line must be located at bottom side 1 Attach MAIN WINDOW into FRONT from TOP side to BOTTOM side Check up flange joint status Push a MOTOR wire lightly ...

Page 35: ...black tape on FRONT 2 Assemble SIDE BELT with FRONT 1 Assemble LCD FPCB with PBA Assy Arrange silk line between LCD FPCB and PBA 2 Set up Hook in bottom side and Assemble PBA Assy with FRONT 3 Assemble KEY FPCB with PBA Assy 4 Assemble CAMERA with PBA Assy 1 Assemble REAR case with FRONT Assy from bottom side to top side 2 Assemble screws 6points Hook Silk Line 8 ...

Page 36: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 8 Block Diagrams 8 1 8 1 RF Solution Block Diagram ...

Page 37: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams This Document can not be used without Samsung s authorization 8 2 8 2 Base Band Solution Block Diagram ...

Page 38: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams This Document can not be used without Samsung s authorization 8 3 8 3 Power Block Diagram ...

Page 39: ...C CLIP31 8 9 1 3 P I L C CLIP32 0 2 0 4 D D60 0 D601 EAR_SWITC H 2 0 1 F 0 0 7 F 1 0 7 F 2 0 7 F 3 0 7 F 0 0 6 C F I 5 1 1 L 6 1 1 L 7 1 1 L 3 0 4 L L500 L502 5 0 5 L 7 0 5 L L508 L509 L600 1 0 6 L 0 0 4 Q 1 0 4 Q 0 0 6 Q 1 0 6 Q 2 0 6 Q 3 0 6 Q Q60 4 5 0 6 Q 9 0 1 R 0 1 1 R 1 1 1 R 2 1 1 R 3 1 1 R 4 1 1 R R11 5 R116 R301 2 0 3 R R30 4 R30 5 R30 8 1 1 3 R 2 1 3 R R31 3 4 1 3 R 5 1 3 R R31 6 7 1 3 ...

Page 40: ...C524 C700 1 0 7 C 2 0 7 C C703 4 0 7 C C70 5 C70 6 C70 8 C70 9 C71 0 C71 1 C71 2 C71 3 C71 4 5 1 7 C C71 6 C71 7 8 1 7 C 9 1 7 C 0 2 7 C 1 2 7 C 2 2 7 C 3 2 7 C C72 4 0 0 3 P I L C 2 0 3 P I L C 3 0 3 P I L C 4 0 3 P I L C CLIP30 5 CLIP30 6 CLIP30 8 5 1 3 P I L C 0 0 4 N C D400 D401 DUP200 0 0 1 F F10 1 0 0 2 F F20 1 2 0 2 F 4 0 7 F 5 0 7 F G300 G30 1 HEA70 0 HEA701 2 0 7 A E H L100 1 0 1 L 2 0 1 ...

Page 41: ...N Power On does not work Voltage 3 3V Download again Charge the Battery The pin 3 of D402 is high Check D402 Check the PMIC output voltage C418 C420 C413 C423 C416 check the TCXO100 19 2Mhz Check the clock generation circuit related to TCXO100 Check the initial operation END No Yes Yes Yes Yes Yes Yes No No No Check the current consumption Check the Vbat Voltage Current consumption 100mA check the...

Page 42: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 2 This Document can not be used without Samsung s authorization Schematic for Power ON Layout for Power ON ...

Page 43: ...tem Initial Flow chart of System Initial YES NO NO YES YES YES NO NO NO YES The pin 9 of U400 Low High Check the Sleep X tal signal s at C412 Check the clock signal s at R114 LCD Display OK Sound operation OK Initial Failure Check the U400 END Check the OSC400 Check the clock generation circuit related to U400 and TCXO100 Check the LCD part Check the Audio part ...

Page 44: ...MSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 4 This Document can not be used without Samsung s authorization Schematic for System Initial Layout for System Initial ...

Page 45: ...ation 10 1 3 SIM Part Flow chart of SIM Part Check the U400 UCP300 NO Check the SIM Card Resolder or change CN400 Check the voltage at CN400 pin 11 3 0 Check the CN400 s Connection to SIM card YES Check the U400 There is any signal pin 13 15 16 of CN400 NO NO YES YES Check SIM s signal when you see SIM checking display Please insert SIM card END ...

Page 46: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 6 This Document can not be used without Samsung s authorization Schematic for SIM Part Layout for SIM Part ...

Page 47: ...an not be used without Samsung s authorization 10 1 4 Charging Part Flow chart of Charging part Check IFC600 s pin 19 20 is around 5V when charging Check U402 s Pin 3 is LOW when charging YES YES NO Check U402 s Pin 4 is LOW when charging YES NO END Check the U402 Check the U402 Abnormal charging operation ...

Page 48: ...AMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 8 This Document can not be used without Samsung s authorization Schematic for Charging part Layout for Charging part ...

Page 49: ... s authorization 10 1 5 Microphone Part Flow chart of Microphone Part Micro phone does not work Reassemble MAIN KEY FPCB Check the DC bias voltage on Mic path Check the path around MIC Bias circuit Check UCP300 END NO YES Is the assembled status of Microphone O K The voltage of R503 is about 1 8V NO The microphone is OK NO YES YES YES ...

Page 50: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 10 This Document can not be used without Samsung s authorization Schematic for Microphone Part ...

Page 51: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 11 This Document can not be used without Samsung s authorization Layout for Microphone Part ...

Page 52: ...t Flow chart of Speaker Part Is the terminal of Speaker O K Replace the Speaker Is there any signals at the pin AC17 and pin AC18 of END Yes Yes Yes No No Check C519 C520 R516 R517 Is there any signals at the pin 6 and pin 9 of U504 Check U504 L504 L506 No Yes Is there any signals at the pin A3 and pin C3 of U503 Check U503 C522 C527 No There is no sound from the Speaker ...

Page 53: ...ung s authorization 10 1 7 Receiver Part Flow chart of Receiver Part Is the terminal of Receiver O K No Replace the Receiver Yes No Yes Check UCP300 R519 R520 Is there any signals at the pin AF18 and pin AE18 of END Yes Is there any signals at the pin 6 and pin 9 of U504 Check U504 L504 L506 No Yes There is no sound from the Receiver ...

Page 54: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 14 This Document can not be used without Samsung s authorization Schematic for Receiver Speak Part ...

Page 55: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 15 This Document can not be used without Samsung s authorization Layout for Headset Part ...

Page 56: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 16 This Document can not be used without Samsung s authorization ...

Page 57: ...authorization 10 1 8 Headset Part Flow chart of Headset Part Earphone is not operational Mic is not operational NO YES YES NO YES NO Check R602 is LOW Check the ear path from earjack to EAR_R EAR_L R510 R513 L508 L509 END Check the mic path from earjack to MIC2_P MIC2_N Check the headset device or R602 crack Headset function does not work ...

Page 58: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 18 This Document can not be used without Samsung s authorization Schematic for Headset Part ...

Page 59: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 19 This Document can not be used without Samsung s authorization Layout for Headset Part ...

Page 60: ...nd QCIF Flow chart of Camera Part Mega and QCIF Check camera FPCB and connector NO NO NO YES YES YES C716 C720 2 8V C717 1 8V C719 1 5V Check input signals at F704 F705 Reconnect the camera or Replace the New Camera Check Q601 Q604 Q605 Check the F704 F705 END YES Check the C709 33 6MHz YES NO Check the UCP300 Is Camera Working NO Check the UCP300 Camera function does not work ...

Page 61: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 21 This Document can not be used without Samsung s authorization Schematic for Camera Part Mega and QCIF ...

Page 62: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 22 This Document can not be used without Samsung s authorization Layout for Camera Part Mega and QCIF ...

Page 63: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 23 This Document can not be used without Samsung s authorization ...

Page 64: ... the pin 10 11 12 13 of U200 Vp p 160mV END Resolder or Change RFS100 L102 C100 Resolder or Change PAM100 Check soldered status of C108 F100 L111 L112 L113 L114 Resolder or change PMIC pin 27 28 and L400 Resolder or Change TCXO100 Resolder or Change U200 Normal Condition Catch the channel Check pin 4 of PAM100 60dBm GSM Receiver is O K GSM RX path component resolder or change Check soldered status...

Page 65: ...r Tx On Tx Level 5 No Check and change PAM100 Check PAM100 VBATT Check U200 Nomal Condition Catch The Channel RFS100 Pin 3 30dBm No Check and change RFS100 No Yes Check soldered status of ANT C102 C101 L101 Yes Check soldered status of L102 C100 No Yes PAM100 pin 27 28 high pin 1 PAM100 pin 8 30dBm Yes Check and change UCP300 PAM100 pin 25 1 2V Yes No PAM100 pin 26 3 7V No Yes ...

Page 66: ... pin 10 11 12 13 of U200 Vp p 160mV END Resolder or Change RFS100 L102 C100 Resolder or Change PAM100 Check soldered status of C106 F100 L103 L104 L105 L106 Resolder or change PMIC pin 27 28 and L400 Resolder or Change TCXO100 Resolder or Change U200 Normal Condition Catch the channel Check pin 4 of PAM100 60dBm GSM Receiver is O K GSM RX path component resolder or change Check soldered status of ...

Page 67: ...r Tx On Tx Level 0 No Check and change PAM100 Check PAM100 VBATT Check U200 Nomal Condition Catch The Channel RFS100 Pin 3 28dBm No Check and change RFS100 No Yes Check soldered status of ANT C102 C101 L101 Yes Check soldered status of L102 C100 No Yes PAM100 pin 27 28 high pin 1 PAM100 pin 8 28dBm Yes Check and change UCP300 PAM100 pin 25 1 2V Yes No PAM100 pin 26 3 7V No Yes ...

Page 68: ... pin 10 11 12 13 of U200 Vp p 160mV END Resolder or Change RFS100 L102 C100 Resolder or Change PAM100 Check soldered status of C107 F100 L107 L108 L109 L110 Resolder or change PMIC pin 27 28 and L400 Resolder or Change TCXO100 Resolder or Change U200 Normal Condition Catch the channel Check pin 4 of PAM100 60dBm GSM Receiver is O K GSM RX path component resolder or change Check soldered status of ...

Page 69: ...r Tx On Tx Level 0 No Check and change PAM100 Check PAM100 VBATT Check U200 Nomal Condition Catch The Channel RFS100 Pin 3 28dBm No Check and change RFS100 No Yes Check soldered status of ANT C102 C101 L101 Yes Check soldered status of L102 C100 No Yes PAM100 pin 27 28 high pin 1 PAM100 pin 8 28dBm Yes Check and change UCP300 PAM100 pin 25 1 2V Yes No PAM100 pin 26 3 7V No Yes ...

Page 70: ...Hz Check the pin 10 11 12 13 of U201 Vp p 160mV END Resolder or Change RFS100 L102 C100 Resolder or Change PAM100 Check soldered status of DUP200 Resolder or change L206 C252 C253 Resolder or Change TCXO100 Resolder or Change U200 Normal Condition Catch the channel Check pin 10 of PAM100 50dBm UMTS Receiver is O K UMTS RX path component resolder or change Check soldered status of ANT C102 C101 L10...

Page 71: ...er 24dBm No Check PAM100 VBATT Check PAM100 L200 C204 Check F201 Nomal Condition Catch The Channel RFS100 Pin 3 20dBm No Check and change RFS100 No Yes Check soldered status of ANT C102 C101 L101 Yes Check soldered status of L102 C100 No Yes PAM100 pin 1 27 Low pin 28 High PAM100 pin 8 20dBm Yes Check and change UCP300 PAM100 pin 26 3 7V Yes No DUP200 pin 2 20dBm No Yes CPL200 pin 1 20dBm Yes No C...

Page 72: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 32 This Document can not be used without Samsung s authorization Schematic for 2G RF ...

Page 73: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 33 This Document can not be used without Samsung s authorization Schematic for 3G RF Schematic for TCXO ...

Page 74: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 34 This Document can not be used without Samsung s authorization Layout for 2G 3G RF Layout for 2G 3G RF ...

Page 75: ...ut Samsung s authorization 10 2 9 BLUETOOTH Flow chart of Bluetooth Check if there is soldering problem on BT antenna pad YES NO Is there any signal pin C1 D1 at U101 L117 is High C129 C130 2 6V NO NO YES YES NO YES END Bluetooth Activation Replace ANT102 Check the path from ANT102 to U102 replace L115 or check U400 Check U400 ...

Page 76: ... Samsung s authorization 10 2 10 FM radio Flow chart of FM Radio Check the earphone if it s proper FM earphone NO Is there any signal pin G1 at U101 NO YES YES Is there any signal at C123 C124 NO YES Replace U101 END Run FM radio application Check the path from earphone antenna to U101 Change earphone including FM Radio antenna ...

Page 77: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 37 This Document can not be used without Samsung s authorization Schematic for Bluetooth FM Radio ...

Page 78: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 10 38 This Document can not be used without Samsung s authorization Layout for Bluetooth FM Radio ...

Page 79: ...PSK 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 Di...

Page 80: ......

Search results

Summary of Contents for SGH-L170

Reviews:

Related manuals for SGH-L170

Brands by name

Popular brands

Samsung SGH-L170, Service Manual

Search results

Summary of Contents for SGH-L170

Reviews:

Related manuals for SGH-L170

Brands by name

Popular brands