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Samsung GT-C3200L Service Manual Download Page 30

SAMSUNG Proprietary-Contents may change without notice

Level 3 Repair

8-22

This Document can not be used without Samsung's authorization

8-3-8. Back Light (for Color Main LCD)

Backlight does not work

Yes

Is LCD Contrast set on high

level in the Menu?

(menu->settings->display-

>Brightness->level)

No

Set LCD Contrast on high level

(menu->settings->display->Brightness->level/

select 5Level (level :1~5)

Yes

#1 : Resolder R406

(with an soldering iron)

#2 : Repalce LCD Module

(to check if it has the problem)

No

Is R406 = 1.8V ?

(Wiring U401 pin7,

EN_LCD_BL)

Yes

END

Summary of Contents for GT-C3200L

Page 1: ...nctionality features specifications and o ther product information provided in this docu ment including but not limited to the benefit s design pricing components performance availability and capabiliti es of the product are subject to change without notice or oblig ation Samsung reserves the right to make changes to this document and the product described herein at anytime without obligation on S...

Page 2: ...6 001256 DIODE TVS ZD401 0406 001261 DIODE TVS ZD301 0406 001281 DIODE TVS ZD305 0406 001286 DIODE TVS ZD100 0406 001375 DIODE TVS ZD300 0406 001375 DIODE TVS ZD408 0406 001375 DIODE TVS Q300 0501 002606 TR SMALL SIGNAL Q305 0501 002663 TR SMALL SIGNAL Q303 0502 001322 TR POWER U302 0504 001151 TR DIGITAL LED300 0601 002846 LED LED301 0601 002846 LED LED302 0601 002846 LED LED303 0601 002846 LED L...

Page 3: ...102 2007 000140 R CHIP R316 2007 000140 R CHIP R318 2007 000140 R CHIP R322 2007 000140 R CHIP R408 2007 000140 R CHIP R409 2007 000140 R CHIP R410 2007 000140 R CHIP R109 2007 000143 R CHIP R213 2007 000143 R CHIP R214 2007 000143 R CHIP R215 2007 000143 R CHIP R304 2007 000143 R CHIP R305 2007 000143 R CHIP R319 2007 000143 R CHIP R329 2007 000143 R CHIP R406 2007 000143 R CHIP R200 2007 000148 ...

Page 4: ...439 2007 001307 R CHIP R440 2007 001307 R CHIP R110 2007 001307 R CHIP R325 2007 003010 R CHIP R326 2007 003010 R CHIP R327 2007 003010 R CHIP R328 2007 003010 R CHIP R347 2007 003010 R CHIP R348 2007 003010 R CHIP R107 2007 003015 R CHIP R302 2007 007001 R CHIP R205 2007 007142 R CHIP R401 2007 008736 R CHIP R315 2007 008780 R CHIP C116 2203 000254 C CERAMIC CHIP C132 2203 000254 C CERAMIC CHIP C...

Page 5: ...304 2203 000995 C CERAMIC CHIP C121 2203 002443 C CERAMIC CHIP C133 2203 002443 C CERAMIC CHIP C234 2203 002443 C CERAMIC CHIP C224 2203 002487 C CERAMIC CHIP C236 2203 002487 C CERAMIC CHIP C108 2203 002668 C CERAMIC CHIP C243 2203 002668 C CERAMIC CHIP C319 2203 002668 C CERAMIC CHIP C118 2203 002709 C CERAMIC CHIP C222 2203 002709 C CERAMIC CHIP C102 2203 005057 C CERAMIC CHIP C112 2203 005234 ...

Page 6: ...237 2203 006260 C CERAMIC CHIP C238 2203 006260 C CERAMIC CHIP C220 2203 006324 C CERAMIC CHIP C221 2203 006324 C CERAMIC CHIP C419 2203 006348 C CERAMIC CHIP C211 2203 006361 C CERAMIC CHIP C209 2203 006399 C CERAMIC CHIP C226 2203 006399 C CERAMIC CHIP C231 2203 006399 C CERAMIC CHIP C233 2203 006399 C CERAMIC CHIP C240 2203 006399 C CERAMIC CHIP C303 2203 006399 C CERAMIC CHIP C309 2203 006399 ...

Page 7: ...NDUCTOR SMD L131 2703 001726 INDUCTOR SMD L113 2703 002176 INDUCTOR SMD L129 2703 002198 INDUCTOR SMD L102 2703 002199 INDUCTOR SMD L106 2703 002199 INDUCTOR SMD L100 2703 002204 INDUCTOR SMD L122 2703 002204 INDUCTOR SMD L115 2703 002208 INDUCTOR SMD L116 2703 002208 INDUCTOR SMD L108 2703 002369 INDUCTOR SMD L109 2703 002369 INDUCTOR SMD L110 2703 002369 INDUCTOR SMD L111 2703 002369 INDUCTOR SM...

Page 8: ...RITE BEAD TAC300 3404 001303 SWITCH TACT TAC301 3404 001303 SWITCH TACT RFS100 3705 001503 CONNECTOR COAXIAL SIM300 3709 001447 CONNECTOR CARD EDGE SD300 3709 001570 CONNECTOR CARD EDGE IFC400 3710 002683 CONNECTOR SOCKET CN400 3710 003235 CONNECTOR SOCKET HEA401 3711 005643 CONNECTOR HEADER BTC300 3711 007437 CONNECTOR HEADER ANT102 4202 001463 ANTENNA CHIP SC101 GH70 03349A IPR SHIELD CAN CLIP S...

Page 9: ...sing separation tool Caution 1 Be careful not to make scratch and molding damage 1 Remove LCD connector and separate FRONT and PBA Caution 1 Be careful not to make scratch and molding damage 1 Separate window and LCD Caution 1 Be careful not to make scratch and molding damage 7 1 Disassembly and Assembly Instructions 7 1 1 Disassembly Loosen screws 1 4 3 2 Remove hook at the bottom Remove LCD conn...

Page 10: ...rear and joint screws at 4 points toque 1 2 Caution 1 Be careful not to make scratch and molding damage 1 Put PBA and connect LCD Caution 1 Be careful not to make scratch and molding damage 1 Assemble LCD and window with FRONT Caution 1 Be careful not to make scratch and molding damage 1 Place keypad at the FRONT Caution 1 Be careful not to make scratch and molding damage ...

Page 11: ...SAMSUNG Proprietary Contents may change without notice 8 Level 3 Repair 8 1 This Document can not be used without Samsung s authorization 8 1 Block Diagram ...

Page 12: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 2 This Document can not be used without Samsung s authorization 8 2 PCB Diagrams 8 2 1 Top 3710 002683 IFC400 HY20 AB0310 ...

Page 13: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 3 This Document can not be used without Samsung s authorization 8 2 1 Bottom ...

Page 14: ...7V TP C106 C220 C323 Power On does not work Change the Battery Because of batt power low END No Yes VDD_1 8V 1 8V TP C235 Check the Main Chip related to SD1_FB 1 8V TP C235 to lookover the Chip damage No Yes Check the Clock at UCP200 A11pin CLK26M 26MHZ TP OSC201 1 3pin Check the Main Chip to lookover the Chip damage TP OSC201 1 3pin look over the waverform using the oscilloscope No Yes Yes ...

Page 15: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 7 This Document can not be used without Samsung s authorization ...

Page 16: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 8 This Document can not be used without Samsung s authorization ...

Page 17: ...ent can not be used without Samsung s authorization 8 3 2 Initial R208 RST_BB 1 7V using the oscilloscope GND SHORT PAD Initial Failure Resolder R208 must be higher than 1 7V END No Yes UCP200 pin D2 1 7V TP TP_RST Yes Yes No Change PBA to check TP_RST Check the 16bit data signals Yes ...

Page 18: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 10 This Document can not be used without Samsung s authorization ...

Page 19: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 11 This Document can not be used without Samsung s authorization ...

Page 20: ... not be used without Samsung s authorization 8 3 3 Charging Part Check the Battery TA connection Abnormal charging part END No Yes R309 4 9V No Yes Check the Q303 pin4 4 9V No Yes Reinsert the Battery or TA Resolder R309 be possible that it s not soldering well Replace Q303 using a Heatgun Yes ...

Page 21: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 13 This Document can not be used without Samsung s authorization ...

Page 22: ... then must be sim pin1 or C304 2 84V Check the SIM Card look over if it get damaged END No Yes Yes Yes No Resolder or Replace SIM300 connector Because of not soldering well After Power ON Check SIM_CLK Signal on pin3 C307 of SIM300 in a few seconds method wiring pin 3 and checking its waveform using an oscilloscope Yes No Confirm an another PBA After SIM card insert SIM300 pin 2 C306 SIM_RST 2 85V...

Page 23: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 15 This Document can not be used without Samsung s authorization ...

Page 24: ...ctive Check the MIC Connection look over schematics about schemetics Replace UCP200 using a Heatgun Because of not soldering well Resolder L404 C425 C426 R405 L405 C428 C429 not work if those is not connected END No Yes Yes Yes Yes No Check the MIC sample it be possible the problem things No Replace an another MIC because of being possible the problem Microphone does not work ...

Page 25: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 17 This Document can not be used without Samsung s authorization ...

Page 26: ... Voice call Replace UCP200 using a Heatgun be possible of being UCP a bad sample No Yes No Resolder L407 L408 be possible because of soldering not well Yes Does not work Ringtone Menu Settings Sound profiles Edit select the Call ringtone Resolder or Replace UCP200 SPK401 be possible of soldering not well or being UCP a bad sample No Yes END Yes Is Speaker working Listening through the speaker Chan...

Page 27: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 19 This Document can not be used without Samsung s authorization ...

Page 28: ...ial Operation Yes When you pushed all of the Key does the key have tension Change Domesheet 1 look over the Dome situation whether be sunken 2 look over the Dome location whether be out of line Yes All of the key doesn t work except POWER ON KEY Replace the PBA over the insturctions again and change the board because of be possible for PBA to get damaged Yes No END No ...

Page 29: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 21 This Document can not be used without Samsung s authorization ...

Page 30: ... Main LCD Backlight does not work Yes Is LCD Contrast set on high level in the Menu menu settings display Brightness level No Set LCD Contrast on high level menu settings display Brightness level select 5Level level 1 5 Yes 1 Resolder R406 with an soldering iron 2 Repalce LCD Module to check if it has the problem No Is R406 1 8V Wiring U401 pin7 EN_LCD_BL Yes END ...

Page 31: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 23 This Document can not be used without Samsung s authorization ...

Page 32: ...s authorization 8 3 9 Key Back Light Main Key LED does not work Yes No Replace U305 using a Heatgun must be coming out the signal 3 3V U305 pin 6 C303 3 3V look over using an Oscillocope Yes 1 Replace the LED be possible that the sample has the problem 2 Change PBA Key LED does not work look over the LED light END Yes No ...

Page 33: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 25 This Document can not be used without Samsung s authorization ...

Page 34: ...GSM850 Receiver RX ON Cell Power 60dBm PAM100 Pin17 65dBm TP L113 using spectrum analyzer Yes Resolder PAM100 L113 C102 L100 No Yes No Check PAM100 pin5 L pin6 L PAM100 Pin11 68dBm TP L108 using specturm analyzer Check ANT Switch control circuit No Yes Resolder PAM100 Yes Resolder OSC201 TCXO CLOCK CHECK 26MHz OSC201 Yes No Check UCP200 Yes END ...

Page 35: ...GSM900 Receiver RX ON Cell Power 60dBm PAM100 Pin17 65dBm TP L113 using spectrum analyzer Yes Resolder PAM100 L113 C102 L100 No Yes No Check PAM100 pin5 L pin6 H PAM100 Pin12 68dBm TP L109 using specturm analyzer Check ANT Switch control circuit No Yes Resolder PAM100 Yes Resolder OSC201 TCXO CLOCK CHECK 26MHz OSC201 Yes No Check UCP200 Yes END ...

Page 36: ...2 DCS Receiver RX ON Cell Power 60dBm PAM100 Pin17 65dBm TP L113 using spectrum analyzer Yes Resolder PAM100 L113 C102 L100 No Yes No Check PAM100 pin5 pin6 H PAM100 Pin13 68dBm TP L110 using specturm analyzer Check ANT Switch control circuit No Yes Resolder PAM100 Yes Resolder OSC201 TCXO CLOCK CHECK 26MHz OSC201 Yes No Check UCP200 Yes END ...

Page 37: ... PCS Receiver RX ON Cell Power 60dBm PAM100 Pin17 65dBm TP L113 using spectrum analyzer Yes Resolder PAM100 L113 C102 L100 No Yes No Check PAM100 pin5 H pin6 L PAM100 Pin14 68dBm TP L111 using specturm analyzer Check ANT Switch control circuit No Yes Resolder PAM100 Yes Resolder OSC201 TCXO CLOCK CHECK 26MHz OSC201 Yes No Check UCP200 Yes END ...

Page 38: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 33 This Document can not be used without Samsung s authorization ...

Page 39: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 34 This Document can not be used without Samsung s authorization ...

Page 40: ...00 Transmitter TX Power is too Low TX ON 5Level TCXO CLOCK CHECK 26MHz OSC201 NO Re solder OSC201 YES PAM100 pin27 4 dBm TP R106 using spectrum analyzer NO Re solder or change UCP200 YES NO Check the UCP200 VBAT circuit YES NO Resolder PAM100 PAM100 Pin17 30dBm TP L113 using spectrum analyzer YES Resolder RFS100 Check the RFS100 connection with PCB YES Antenna re solder or change NO ...

Page 41: ...Transmitter TX Power is too Low TX ON 5Level TCXO CLOCK CHECK 26MHz OSC201 NO Re solder OSC201 YES PAM100 pin29 4 dBm TP L116 using spectrum analyzer NO Re solder or change UCP200 YES NO Check the UCP200 VBAT circuit YES NO Resolder PAM100 PAM100 Pin17 30dBm TP L113 using spectrum analyzer YES Resolder RFS100 Check the RFS100 connection with PCB YES Antenna re solder or change NO ...

Page 42: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 37 This Document can not be used without Samsung s authorization ...

Page 43: ...SAMSUNG Proprietary Contents may change without notice Level 3 Repair 8 38 This Document can not be used without Samsung s authorization ...

Page 44: ...y change without notice Level 3 Repair 8 39 This Document can not be used without Samsung s authorization 8 4 Service Schematics NC Point Top View NC U101 1 2 3 4 5 6 7 A B C D E F G H UME200 1 2 3 4 5 6 7 8 9 A B C D E F G H J K L M ...

Page 45: ...G Proprietary Contents may change without notice Level 3 Repair 8 40 This Document can not be used without Samsung s authorization UCP200 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A B C D E F G H J K L M N P R T ...

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