Samsung SGH-Z107 Service Manual Download Page 42 | Manualshive

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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

7-12

8. Back Light (for Color Main LCD)

Is BACKLIGHT set

AlwaysON in the Menu?

Set BACKLIGHT on AlwaysON

END

No

Yes

Yes

Backlight does not work

R327 = 2.8V?

Replace or Resolder R327

No

Yes

Yes

Replace the LCD Module

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Summary of Contents for SGH-Z107

Page 1: ...SERVICE Manual UMTS TELEPHONE CONTENTS 1 Specification 2 Circuit Description 3 Exploded Views and Parts List 4 Electrical Parts List 5 Block Diagrams 6 PCB Diagrams 7 Flow Chart of Troubleshooting UMTS TELEPHONE ...

Page 2: ...nics Co Ltd April 2004 Printed in Korea Code No GH68 05056A BASIC ⓒ This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law ...

Page 3: ...805 1880 ARFCN range 1 124 0 124 975 1023 512 885 Tx Rx spacing 45MHz 45MHz 95MHz Mod Bit rate Bit Period 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us Time Slot Period Frame Period 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 13dBm 33dBm 5dBm 30dBm 0dBm Power Class 5pcl 15pcl 5pcl 19pcl 0pcl 15pcl Sensitivity 102dBm 102dBm 100dBm ...

Page 4: ...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 10 10 4 dBm 11 8 4dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm 2 GSM TX power class ...

Page 5: ...r and the duplexer is highly recommended to provide constant load and source impedances respectively to those devices 6 UMTS PAM U202 This is a key component in the transmitter chain and must complement the RTR6200 IC precisely jointly they dominate the UMTS transmitter performance characteristics Parameters such as gain output power level ACLR harmonics Rx band noise and power supply current are ...

Page 6: ... front end design The UMTS input is configured differentially to optimize second order inter modulation and common mode rejection performance and implements MSM controlled gain adjustments to extend the receiver dynamic range 12 RTR6200 U101 The RTR6200 supports multi band multi mode phones with two receiver signal paths and three transmitter signal paths 1 Receiver paths EGSM 900 DCS 1800 2 Trans...

Page 7: ...attery energy or excessive die temperature 1 2 Keypad Backlight The Keypad backlight driver output is at pin 17 KEYBD_DRV and is designed to drive parallel connected LEDs directly Its output current level is SBI programmable and meets the performance specified below Input parameters are not specified since they are internal 1 3 TCXO Controller and Buffers The PM6050 IC includes circuits for contro...

Page 8: ...yed by a synthesizer The synthesizer section adopts stereophonic hybrid synthesizer system that are given advantages of both FM synthesizers and Wave Table synthesizers to allow simultaneous generation of up to 32 FM voices and 32 Wave Table voices Furthermore YMU765 has a built in hardware sequencer that helps to realize complex play without heavily loading the host CPU And this device also has a...

Page 9: ...unctions Built in On Screen Display OSD Functions Video CODEC 15fps for both encode and decode in QCIF size is possible Program on SDRAM is executable without ROM optional Power supply VDDI 2 0V to 2 7V internal VDDO 2 7 to 3 6V I O 6 Camera HV7131GP The HV7131GP is a highly integrated single chip CMOS color image sensor implemented by proprietary Hynix 0 35um COMS sensor process realizing high se...

Page 10: ...SAMSUNG Proprietary Contents may change without notice 3 SGH Z107U Exploded View and its Parts list This Document can not be used without Samsung s authorization 3 1 1 Cellular phone Exploded View ...

Page 11: ...5A MPR FOLDER SCREW CAP SILVER 1 19 GH74 09369A MPR TAPE MAIN WINDOW DECO 1 20 GH75 05132A MEC MAIN WINDOW DECO SILVER 1 21 GH71 02421A NPR SPEAKER DECO SILVER 1 22 GH74 06516A MPR TAPE SPK DECO 1 23 GH75 03950A MEC VOLUME KEY SILVER 1 24 1 GH75 05129A RMO FOLDER DAMPER R SILVER 1 24 2 GH74 06516A RMO FOLDER DAMPER L SILVER 1 25 GH72 15048A PMO FRONT COVER SILVER 1 26 GH75 15061A MEC CALL REJECT K...

Page 12: ...loded view and its Part list This Document can not be used without Samsung s authorization 3 3 3 Test Jig GH80 03305A 3 1 RF Test Cable GH39 00105A 3 2 Test Cable GH39 00210A 3 3 Serial Cable 3 4 Power Supply Cable 3 5 DATA CABLE GH39 00208A 3 6 TC GH44 00482A ...

Page 13: ...0505 001131 Q201 0505 001423 U304 0505 001423 U604 0505 001423 U708 0505 001423 U710 0505 001454 Q704 0604 001261 IRD200 1001 001248 U949 1001 001253 U501 1001 001253 U547 1105 001489 U403 1109 001234 U401 1109 001243 U303 1201 001954 U102 1201 001984 U201 1201 001990 U202 1202 001036 U503 1203 001285 U711 1203 002965 U707 1203 003007 U786 1203 003137 U603 1203 003137 U607 1203 003137 U608 1203 00...

Page 14: ... 2007 000138 R808 2007 000139 R115 2007 000139 R116 2007 000139 R122 2007 000139 R123 2007 000140 R103 2007 000140 R134 2007 000140 R229 2007 000140 R334 2007 000141 R102 2007 000143 R411 2007 000143 R827 2007 000144 R137 2007 000147 R133 2007 000148 R124 2007 000148 R132 2007 000148 R205 2007 000148 R210 2007 000148 R211 2007 000148 R212 2007 000148 R301 2007 000148 R304 2007 000148 R311 2007 000...

Page 15: ...7 000157 R413 2007 000157 R420 2007 000157 R421 2007 000157 U941 2007 000159 R338 2007 000159 R611 2007 000159 R840 2007 000159 R848 2007 000162 R407 2007 000162 R409 2007 000162 R410 2007 000162 R704 2007 000162 U804 2007 000163 R517 2007 000164 U806 2007 000166 R1106 2007 000166 R3115 2007 000166 R502 2007 000166 R503 2007 000166 R838 2007 000166 R839 2007 000168 R315 2007 000168 U809 2007 00017...

Page 16: ... 2007 000171 R615 2007 000171 R640 2007 000171 R807 2007 000171 R825 2007 000171 R833 2007 000171 R834 2007 000171 R845 2007 000171 R846 2007 000171 R850 2007 000171 R853 2007 000171 R857 2007 000171 U789 2007 000171 U792 2007 000171 U793 2007 000171 U947 2007 000171 U948 2007 000171 U950 2007 000172 R138 2007 000172 R3112 2007 000172 R3113 2007 000172 R811 2007 000172 R814 2007 000172 R815 2007 0...

Page 17: ...07 001325 R513 2007 001339 R313 2007 001339 R316 2007 002796 R135 2007 002796 R422 2007 002796 R608 2007 002965 R221 2007 003010 U940 2007 003022 R223 2007 007001 R225 2007 007014 R511 2007 007135 R321 2007 007138 R217 2007 007138 R219 2007 007142 R607 2007 007314 R201 2007 007314 R207 2007 007314 R209 2007 007314 R214 2007 007314 R323 2007 007318 R337 2007 007318 R506 2007 007318 R507 2007 007489...

Page 18: ...203 000233 C247 2203 000233 C357 2203 000233 C358 2203 000233 C362 2203 000233 C364 2203 000233 C517 2203 000233 C810 2203 000233 U717 2203 000233 U720 2203 000254 C138 2203 000254 C143 2203 000254 C153 2203 000254 C256 2203 000254 C334 2203 000254 C335 2203 000254 C354 2203 000254 C361 2203 000254 C367 2203 000254 C368 2203 000254 C369 2203 000254 C370 2203 000254 C506 2203 000254 C530 2203 00025...

Page 19: ...203 000386 C317 2203 000386 C319 2203 000386 C322 2203 000386 C325 2203 000386 C332 2203 000386 C333 2203 000386 C352 2203 000386 C543 2203 000386 C833 2203 000386 C834 2203 000386 C838 2203 000386 C843 2203 000386 C844 2203 000438 C105 2203 000438 C121 2203 000438 C141 2203 000438 C159 2203 000438 C164 2203 000438 C257 2203 000438 C260 2203 000438 C306 2203 000438 C311 2203 000438 C315 2203 00043...

Page 20: ...203 000812 C114 2203 000812 C116 2203 000812 C128 2203 000812 C139 2203 000812 C160 2203 000812 C162 2203 000812 C166 2203 000812 C249 2203 000812 C803 2203 000812 C804 2203 000812 C805 2203 000812 C807 2203 000812 C809 2203 000812 C813 2203 000812 C814 2203 000812 C815 2203 000812 C816 2203 000812 C820 2203 000812 C821 2203 000812 C822 2203 000812 C823 2203 000812 C824 2203 000812 C825 2203 00081...

Page 21: ...203 003054 C316 2203 003054 C318 2203 003054 C323 2203 003054 C327 2203 003054 C331 2203 003054 C338 2203 003054 C351 2203 003054 C523 2203 003054 C524 2203 003054 C544 2203 003054 C806 2203 003054 C808 2203 003054 C835 2203 003054 C836 2203 003054 C837 2203 003054 C845 2203 003054 C846 2203 003054 C858 2203 003054 C859 2203 003054 C869 2203 005054 C145 2203 005056 C117 2203 005061 C301 2203 00506...

Page 22: ...203 005061 C414 2203 005061 C419 2203 005061 C501 2203 005061 C512 2203 005061 C513 2203 005061 C514 2203 005061 C525 2203 005061 C526 2203 005061 C532 2203 005061 C537 2203 005061 C539 2203 005061 C541 2203 005061 C604 2203 005061 C608 2203 005061 C642 2203 005061 C830 2203 005061 C848 2203 005061 U709 2203 005061 U743 2203 005061 U744 2203 005061 U745 2203 005061 U746 2203 005234 C157 2203 00528...

Page 23: ...203 005482 C345 2203 005482 C353 2203 005482 C355 2203 005482 C412 2203 005482 C415 2203 005482 C507 2203 005482 C548 2203 005482 C609 2203 005482 C819 2203 005482 C839 2203 005482 C840 2203 005482 C841 2203 005482 C866 2203 005482 U750 2203 005482 U751 2203 005482 U755 2203 005482 U756 2203 005496 C527 2203 005503 C156 2203 005571 C207 2203 005571 C227 2203 005664 C154 2203 005664 C641 2203 00566...

Page 24: ...2203 006208 C529 2203 006208 C629 2203 006208 C630 2203 006208 C635 2203 006208 C644 2203 006208 C706 2203 006257 C250 2203 006474 U812 2301 001197 C119 2301 001214 C253 2301 001659 C158 2404 001086 C248 2404 001086 C538 2404 001086 C540 2404 001086 C857 2404 001086 U944 2404 001105 C165 2404 001151 C321 2404 001239 C144 2404 001239 C341 2404 001239 C342 2404 001239 C516 2404 001239 U946 2404 0012...

Page 25: ...02314 L102 2703 002346 L208 2703 002734 L608 2703 002734 L609 2703 002734 L610 2801 003856 OSC601 2802 001182 OSC301 2804 001528 U404 2806 001310 OSC101 2806 001315 OSC201 2809 001280 OSC202 2901 001286 F801 2901 001286 F802 2901 001286 F803 2901 001286 F804 2901 001286 F805 2901 001286 F806 2901 001286 F807 2901 001286 F808 2901 001286 F809 2904 001417 F101 2904 001419 F102 2904 001438 F202 2904 ...

Page 26: ...01341 L605 3705 001255 RFSW100 3709 001298 CN701 3710 002037 CN402 3711 005200 CN804 3711 005407 HEA1 3711 005423 CN805 3722 002181 EAR500 4302 001119 BAT601 4709 001303 MIS201 GH41 00615A GH71 02324A ANTC101 ...

Page 27: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 5 SGH Z107 Block Diagrams 5 1 1 RF Solution Block Diagram ...

Page 28: ...ller OR GPIO_INT UART 0 UART 1 UART 2 RF controller interface MSM6200 YAMAHA YMU762 LCD SUB MAIN MEMORY 256M NAND 128M SDRAM K5D55729YCM MEMORY 256M FLASH RD28F256J3AM PHONE MEMORY AM50DL128BG 48MHz CELL COIN TCXO HFK_MIC EAR_REC SPK_REC HFK SPK 13 5MHz CLK PCM CLK DATA SENSOR JTAG DSP for audio SDRAM interface MEMORY interface I2C interface JTAG interface UART HOST interface SD CARD interface MA5...

Page 29: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 6 SGH Z107 PCB Diagrams 6 1 1 Main PCB Top Diagram ...

Page 30: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams This Document can not be used without Samsung s authorization 6 2 2 Main PCB Bottom Diagram ...

Page 31: ...e than 3 3V Power On does not work Change the Battery END No Yes U786PIN27 PS_HOLD 2 6V Check the PMIC related to PS_HOLD No Yes Check the Clock at R610 32KHZ Resolder OSC610 No Yes C630 VDD_C 2 8V Check the PMIC No Yes C633 VDD_P 2 8V C629 VDD_A 2 6V Check the PMIC No Yes Check for the clock at C670 19 2MHz Check the clock generation circuit related to OSC202 No Yes Check the initial operation Ye...

Page 32: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 2 Power On ...

Page 33: ...out notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 3 2 Initial TP601 PON_RESET H Initial Failure Check the PMIC END No Yes Is HEA1 pin 16 25 LCD RESET OK Yes Yes No Check the LCD RESET Circuit ...

Page 34: ...zation Flow Chart of Troubleshooting 7 4 3 Sim Part CN701 pin 1 5 H Phone can t access SIM Card Check the SIM POWER Check the SIM Card END No Yes Yes Yes No Check the 32k OSC After Power ON Check USIM_CLK Signal on CN701 pin3 in a few second Yes No Replace PBA After SIM card insert CN701 pin 2 H USIM_RESET Yes ...

Page 35: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 5 SIM ...

Page 36: ...U510 pin7 32 2 8V Speaker does not work Check the Clock signal at Pin 1 of U510 13 5MHz Check the clock generation circuit related to U404 and U510 END No Yes No Resolder or replace U768 U510 pin 4 2 8V When U509 operate Resolder U509 Yes No U510 pin 15 Battery Volt Check the circuit related to AMP AMP signal Yes No Is Speaker working No Yes Change the Speaker Yes Yes ...

Page 37: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 7 Microphone ...

Page 38: ...hout Samsung s authorization Flow Chart of Troubleshooting 7 8 5 Speaker Part Melody Check the connection from MIC Check the circuit from U302 to MIC Resolder MIC Resolder the R306 R307 R305 R308 C324 and C328 END No Yes Yes Yes Yes No Check the MIC Replace the MIC Microphone does not work ...

Page 39: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 9 Speaker ...

Page 40: ...sed without Samsung s authorization Flow Chart of Troubleshooting 7 10 6 Key Data Input When one of the keys is pushed is it displayed on LCD Check the Dome sheet Key Pad 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 41: ... without Samsung s authorization 7 11 7 Receiver Part U302 pin Y7 2 8V Resolder or replace U302 END No Yes Yes Receiver does not work Is Receiver working Replace the Receiver No Yes No Resolder or replace C341 C342 Yes Check the soldering of the spaeaker wire No Modufy the speaker wire soldering Yes C341 C342 1 2V ...

Page 42: ...be used without Samsung s authorization Flow Chart of Troubleshooting 7 12 8 Back Light for Color Main LCD Is BACKLIGHT set AlwaysON in the Menu Set BACKLIGHT on AlwaysON END No Yes Yes Backlight does not work R327 2 8V Replace or Resolder R327 No Yes Yes Replace the LCD Module ...

Page 43: ...oubleshooting This Document can not be used without Samsung s authorization 7 13 9 Key Back Light Is BACKLIGHT set AlwaysON in the Menu Set BACKLIGHT on AlwaysON END No Yes Yes Key Backlight does not work CN804 pin 30 L No Resolder CN305 pin 30 or replace KeyPCB Module Yes ...

Page 44: ...n Flow Chart of Troubleshooting 7 14 10 Camera part Camera function does not work Yes No Connect the camera module Check the Camera connector on LCD module Yes R807 C415 2 8V No Replace or Resolder R807 C415 Yes R806 11 571MHz No Replace or Resolder R806 Yes Is there another problem END Replace the camera module Yes ...

Page 45: ...ce Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 15 11 GSM Receiver C104 60dBm Resolder U100 END No Yes RX ON RF input CH center freq 67 7kHz Amp 50dBm Resolder F101 L103 65dBm Resolder U101 Yes Yes Yes No ...

Page 46: ...ut Samsung s authorization Flow Chart of Troubleshooting 7 16 12 GSM Transmitter U102 Pin6 1V Resolder U102 TX ON 5Level Resolder OSC101 OSC101 pin5 2dBm U102 pin9 20dBm U101 pin3 30dBm Resolder U102 Resolder U101 OSC201 pin5 5m Yes No No No Yes Yes Yes Yes END Check U302 Resolder OSC201 Yes ...

Page 47: ...ce Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 17 13 DCS Receiver RX ON RF input CH center freq 67 7kHz Amp 50dBm Yes C106 60dBm Resolder U100 END No Yes Resolder F102 L107 65dBm Resolder U101 Yes Yes No ...

Page 48: ... Samsung s authorization Flow Chart of Troubleshooting 7 18 14 DCS Transmitter U102 Pin6 1V Resolder U102 TX ON 0Level Resolder OSC101 OSC101 pin5 2dBm U102 pin11 20dBm U101 pin3 30dBm Resolder U102 Resolder U101 OSC201 pin5 5m Yes No No No No Yes Yes Yes Yes END Check U302 Resolder OSC201 Yes ...

Page 49: ... without Samsung s authorization 7 19 15 WCDMA Receiver RX ON RF input CH center freq 67 7kHz Amp 50dBm Yes C208 60dBm Check Resolder U100 No Yes C214 65dBm C211 55dBm Yes Yes No Resolder F203 No Check Resolder U201 C230 60dBm Yes No Resolder F201 END Resolder U205 C204 20dBm Yes No Check Resolder OSC201 OSC202 Yes ...

Page 50: ...ow Chart of Troubleshooting 7 20 16 WCDMA Transmitter C204 20dBm Check Resolder OSC202 OSC201 TX ON PDM for 23dBm C212 5Bm C213 5dBm U202 pin4 20dBm Resolder F202 Check Resolder U202 U203 C208 20dBm Yes Yes Yes Yes Yes No No No No END Resolder MIS201 F203 No Check Resolder U101 Yes C101 20dBm Check Resolder U100 No Yes ...

Page 51: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 21 Transmitter ...

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