Samsung SGH-D840 Service Manual Download Page 54

Page: 54 / 73

SAMSUNG Proprietary-Contents may change without notice

Flow Chart of Troubleshooting

This Document can not be used without Samsung's authorization

9-12

TP410

R442

R436

21
22

2S1

3-4IN

3S2

4S1

U409

1-2IN

1S2

C444

VBAT

TP408

MSPK-

AMP-

SW2_OUT_P

AOUTAP

AOUTAN

SW2_OUT_P

AMP+

SPK+

SW2_OUT_N

SPK-

AS2

AS3

MSPK+

Summary of Contents for SGH-D840

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

Page 2: ... EDGE TX Power Level 2 3 3 Product Function 4 Array course control Software Downloading 4 1 Downloading Binary Files 4 2 4 2 Prerequisite 4 2 4 3 S W Downloader Program 4 2 5 Exploded View and Parts List 5 1 Cellular phone Exploded View 5 1 5 2 Cellular phone Part list 5 2 5 3 Disassembly 5 3 5 4 Assembly 5 5 5 5 LCD Kit Assembly 5 7 6 MAIN Electrical Parts List 7 Block Diagrams 8 PCB Diagrams ...

Page 3: ...itial 9 4 9 1 3 Sim Part 9 6 9 1 4 Charging Part 9 7 9 1 5 Microphone Part 9 8 9 1 6 Speaker Part 9 10 9 1 7 Camera Part 9 13 9 1 8 LCD 9 16 9 2 RF 9 2 1 EGSM RX 9 18 9 2 2 DCS RX 9 19 9 2 3 PCS RX 9 20 9 2 4 EGSM TX 9 22 9 2 5 DCS PCS TX 9 23 9 2 6 BLUETOOTH 9 27 10 Reference data ...

Page 4: ...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 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: ...bps 3 692 us Time Slot Period Frame Period 576 9 us 4 615 ms 576 9 us 4 615 ms 576 9 us 4 615 ms Modulation GPRS 0 3 GMSK 0 3 GMSK 0 3 GMSK EDGE 8 PSK 8 PSK 8 PSK MS Power GPRS 33 dBm 5 dBm 30 dBm 0 dBm 30 dBm 0 dBm EDGE 27 5 dBm 26 0 dBm 26 0 dBm Power Level GPRS 5 pcl 19 pcl 0 pcl 15 pcl 0 pcl 15 pcl EDGE 8 19 class E2 2 15 class E2 2 15 class E2 Sensitivity 102 dBm 100 dBm 102 dBm TDMA Mux 8 8 ...

Page 7: ...dBm 19 5 5 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 8 14 3 dBm 9 12 4 dBm 10 10 4 dBm 11 8 4d Bm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm TX Power control level PCS1900 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 8 14 3 dBm 9 12 4 dBm 10 10 4 dBm 11 8 4 dBm 12 6 4 dBm 13...

Page 8: ...8 7 5 dBm 19 5 5 dBm TX Power control level DCS1800 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 4 dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm TX Power control level PCS1900 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 4 dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm ...

Page 9: ...3 Product Function 3 1 This Document can not be used without Samsung s authorization Main Function Camera and camcorder Music player File viewer Bluetooth Phone to TV Image editor Photo printing Multimedia Message Service MMS E mail Offline mode Web browser ...

Page 10: ...G Proprietary Contents may change without notice 4 Array course control 4 1 This Document can not be used without Samsung s authorization Test Jig GH80 03307A Test Cable GH39 00501A RF Test Cable GH39 00599A ...

Page 11: ...hout Samsung s authorization 4 1 Downloading Binary Files 1 Swift Model firmware is composed of 2 files s3 Main source code binary 4 2 Prerequisite Downloader program Optiflash exe D840 Moblie Phone Data Cable Binary Files 4 3 S W Downloader Program 1 Load the binary download program by execution the OptiFlash exe ...

Page 12: ...for the downloader file setting Set the everything else as the default values which are shown below 3 Select the COM port where the download cable is connected Up to twelve ports are supported Additionally you can select the maximum transfer speed OptiFlash will use to communicate with the phone However Optiflash will use a slower speed if either the PC s or the phone s serial hardware is incapabl...

Page 13: ...hout notice Array course control 4 4 This Document can not be used without Samsung s authorization 4 Select the Flash Verify Browse Set the directory path and choose the latest S W binary for example D840XXYY s3 for the downloader binary setting ...

Page 14: ...ime then press Flash Downloader will upload the binary file as below for the downloading 6 When downloading is finished successfully there is a All is well message 7 After finishing downloading Certain memory resets should be done to guarantee the normal performance 8 Confirm the downloaded version name by key string 1234 Memory reset will be done by pressing the following key strings Full Reset 2...

Page 15: ...ts List 5 1 This Document can not be used without Samsung s authorization 5 1 Cellular phone Exploded View QFU01 QKP02 QLC01 QMP01 QCA01 QRE01 QBA00 QBA01 QCR05 QVK01 QPC01 QRF03 QVO01 QCK01 QRF09 QCR06 QAN02 QCA02 QME02 QSP02 QMW01 QSC01 QCB01 QCR17 QSC02 QHI01 QCH02 QMI03 QCR61 ...

Page 16: ...IN SER ZK GH98 01449A QKP02 ASSY MEC KEYPAD SUB XET ZK GH75 09053A QLC01 LCD MODULE SGHD840 GH07 00884A QME02 UNIT EL KEY PBA NAVI GH59 03014A QMI01 MICROPHONE ASSY SGHE340 GH30 00199A QMI03 RMO MIC HOLDER GH73 06561A QMP01 PBA MAIN SGHD840 GH92 02551A QMW01 ASSY COVER MAIN WINDOW GH98 01505A QPC01 MEA SLIDE FPCB KIT GH97 06223A QSC01 ASSY COVER SCREW CAP GH98 01954A QSC02 RMO RUBBER SCREW CAP GH7...

Page 17: ...60A MANUAL USERS EU RUSSIAN GH68 10851A BOX P UNIT MAIN SER GH69 03917A CUSHION CASE TA2 MA2 SLIM GH69 04177A IPR FUNCTION KEY SUPPORT V2 GH70 01330A MPR TAPE MAIN WINDOW GH74 20511A MPR SPONGE FPCB GH74 21333A MPR TAPE LCD CONN GH74 21339A MPR TAPE DDK CONN GH74 21340A MPR TAPE FPCB A GH74 21341A MPR SPONGE FPCB B GH74 21342A MPR TAPE EAR JACK GH74 21343A MPR VINYL BOHO MAIN WIN GH74 21347A MPR V...

Page 18: ...dule 2 Remove coaxial cable 3 Remove side Key of both side 4 Remove camera module from front cover 1 Upside down the main PBA with moving slide Be careful the hook 2 And remove the keypad connector from PBA 1 4 3 2 1 Loosen a screw this four point form Rear 1 Make the space between rear cover and front cover using assembly stick 2 And then widen space with hand pushing upside and separate 2 parts ...

Page 19: ... 7 6 8 1 Loosen a screw 4 point form Lower 2 Make the space between slide upper and slide lower using assembly stick 3 And separate slide upper and lower 1 At first remove the EMI tape from sub PBA 1 Remove the insulation tape 2 And separate LCD connector from Main PBA by removing soldering points 1 Open the slide Slide up 2 Remove the 2 screw caps with pinset ...

Page 20: ... not be used without Samsung s authorization 9 10 1 Remove the insulation tape 2 And separate LCD connector and Camera module connector from sub PBA 3 Separate sub keypad connector from sub PBA 1 Separate sub PBA from slide upper And then caution the hook 2 Separate LCD module from slide upper using 4 white points ...

Page 21: ...pad on the slide upper 2 And put the EL pad on the keypad 3 And put the LCD module on EL pad 1 At first put motor and speaker on slide upper caution 1 Verify silk line and wire arrangement 1 At first combined camera connector to sub PBA 2 And attach FPCB to LCD module caution 1 Verify the silk line 1 At first combined LCD connector to sub PBA 2 And put gold gasket on FPCB and insulation tape on co...

Page 22: ...s authorization 1 Put the sponge guide on slide upper 2 And put the Tape LCD FPCB on sponge guide to guide 1 Fold LCD FPCB like a picture 2 And insert other side to front rear hole 3 Verify the FPCB size 5 7 6 8 1 Fasten a screw at 4 points with driver after slide up 1 Put the 2 kind of screw caps on screw hole KEY PAD SPONGE GUIDE UPPER wall ...

Page 23: ...o main PBA 2 Soldering 2 points of FPCB 3 And put the insulation Tape on connector 1 Combined Key connector to main PBA 2 Put the main PBA on front cover and 4 screw hole 9 11 10 12 4 3 2 1 1 Insert camera module to front cover 2 Insert side key FPCB of both side 3 Combined coaxial cable on main PBA 4 Fasten the screw of camera module 1 Put rear cover on Assay and lock like a picture ...

Page 24: ...SAMSUNG Proprietary Contents may change without notice Disassembly and Assembly instructions 5 6 This Document can not be used without Samsung s authorization 13 1 Fasten a screw at 4 points with driver ...

Page 25: ... 5 5 LCD Kit Assembly 1 3 2 1 Put the sponge guide on slide upper 2 And put the Tape LCD FPCB on sponge guide to guide KEY PAD SPONGE GUIDE UPPER wall 1 Put two insulation tapes according to refence line like a picture 1 Put the insulation tape on connectors of LCD and camera module after combined connectors 2 Put gold gasket tape on LCD FPCB Reference line ...

Page 26: ... C CER CHIP SA 2203 005682 C111 C CER CHIP SA 2203 006305 C112 C CER CHIP SA 2203 005054 C113 C CER CHIP SA 2203 005054 C114 C CER CHIP SA 2203 006562 C115 C CER CHIP SA 2203 006562 C116 C CER CHIP SA 2203 000654 C117 C CER CHIP SA 2203 000489 C118 C CER CHIP SA 2203 000627 C120 C CER CHIP SNA 2203 000940 C121 C CER CHIP SA 2203 001201 C122 C CER CHIP SA 2203 000812 C123 C CER CHIP SA 2203 000438 ...

Page 27: ... CHIP SA 2203 001412 C153 C CER CHIP SA 2203 006562 C154 C CER CHIP SA 2203 000438 C155 C CER CHIP SA 2203 006562 C156 C CER CHIP SA 2203 006194 C200 C CER CHIP SA 2203 006423 C201 C CER CHIP SA 2203 006423 C202 C CER CHIP SA 2203 006194 C203 C CER CHIP SA 2203 006423 C204 C CER CHIP SA 2203 006194 C205 C CER CHIP SA 2203 006194 C206 C CER CHIP SA 2203 006194 C207 C CER CHIP SA 2203 006194 C208 C ...

Page 28: ... CHIP SA 2203 006562 C312 C CER CHIP SA 2203 006562 C313 C CER CHIP SA 2203 006562 C314 C CER CHIP SA 2203 006562 C315 C CER CHIP SA 2203 006562 C316 C CER CHIP SA 2203 006562 C317 C CER CHIP SA 2203 000233 C318 C CER CHIP SA 2203 006562 C319 C CER CHIP SA 2203 001405 C320 C CER CHIP SA 2203 006348 C321 C CER CHIP SA 2203 005482 C324 C CER CHIP SA 2203 005482 C325 C CER CHIP SA 2203 006423 C326 C ...

Page 29: ... CHIP SA 2203 006838 C405 C CER CHIP SA 2203 006423 C406 C CER CHIP SA 2203 006562 C407 C CER CHIP SA 2203 006423 C408 C CER CHIP SA 2203 006562 C410 C CER CHIP SA 2203 006562 C411 C CER CHIP SA 2203 006647 C412 C CER CHIP SA 2203 006562 C413 C CER CHIP SA 2203 006562 C414 C CER CHIP SA 2203 005482 C415 C CER CHIP SA 2203 000854 C416 C CER CHIP SA 2203 006257 C417 C CER CHIP SA 2203 006257 C418 C ...

Page 30: ... CHIP SA 2203 001033 C448 C CER CHIP SA 2203 006423 C449 C CER CHIP SA 2203 006562 C450 C CER CHIP SA 2203 000438 C451 C CER CHIP SA 2203 000438 C452 C CER CHIP SA 2203 006423 C453 C CER CHIP SA 2203 000438 C455 C CER CHIP SA 2203 006048 C456 C CER CHIP SA 2203 006647 C458 C CER CHIP SA 2203 001033 C459 C CER CHIP SA 2203 001033 C460 C CER CHIP SA 2203 006562 C517 C CER CHIP SA 2203 005682 C522 C ...

Page 31: ... 2203 000812 C556 C CER CHIP SA 2203 000812 C557 C CER CHIP SA 2203 000812 C558 C CER CHIP SA 2203 006626 C559 C CER CHIP SA 2203 006562 C560 C CER CHIP SA 2203 006423 C561 C CER CHIP SA 2203 006423 C562 C CER CHIP SA 2203 006648 C565 C CER CHIP SA 2203 006562 C566 C CER CHIP SA 2203 006562 C567 C CER CHIP SA 2203 005682 C568 C CER CHIP SA 2203 005682 C569 C CER CHIP SA 2203 005682 C570 C CER CHIP...

Page 32: ... 2703 001749 L104 INDUCTOR SMD SA 2703 001749 L105 INDUCTOR SMD SA 2703 001180 L106 INDUCTOR SMD SA 2703 001786 L107 INDUCTOR SMD SA 2703 001180 L109 INDUCTOR SMD SA 2703 001750 L110 INDUCTOR SMD SA 2703 001750 L111 INDUCTOR SMD SA 3301 001729 L114 BEAD SMD SA 2703 002369 L115 INDUCTOR SMD SA 3301 001342 L200 BEAD SMD SA 2703 002739 L300 INDUCTOR SMD SA 2703 002619 L301 INDUCTOR SMD SA 2703 002653...

Page 33: ...IP SA 2007 007307 R117 R CHIP SA 2007 003006 R118 R CHIP SA 2007 007189 R119 R CHIP SA 2007 001288 R120 R CHIP SA 2007 007405 R121 R CHIP SA 2007 007405 R122 R CHIP SA 2007 007008 R123 R CHIP SA 2007 007008 R124 R CHIP SA 2007 001288 R125 R CHIP SA 2007 007008 R126 R CHIP SA 2007 007008 R127 R CHIP SA 2007 008483 R128 R CHIP SA 2007 000172 R130 R CHIP SA 2007 000138 R131 R CHIP SA 2007 000758 R132...

Page 34: ...IP SA 2007 007489 R307 R CHIP SA 2007 008275 R308 R CHIP SA 2007 000148 R309 R CHIP SA 2007 000138 R310 R CHIP SA 2007 008483 R312 R CHIP SA 2007 008055 R313 R CHIP SA 2007 008055 R314 R CHIP SA 2007 008478 R316 R CHIP SA 2007 008420 R317 R CHIP SA 2007 008420 R318 R CHIP SA 2007 000157 R319 R CHIP SA 2007 000162 R320 R CHIP SA 2007 000157 R323 R CHIP SA 2007 008055 R324 R CHIP SA 2007 008483 R325...

Page 35: ...IP SA 2007 007528 R425 R CHIP SA 2007 007528 R426 R CHIP SA 2007 000157 R427 R CHIP SA 2007 000157 R428 R CHIP SA 2007 000157 R429 R CHIP SA 2007 007142 R431 R CHIP SA 2007 000162 R432 R CHIP SA 2007 007142 R433 R CHIP SA 2007 000162 R434 R CHIP SA 2007 007334 R436 R CHIP SA 2007 000775 R438 R CHIP SA 2007 000775 R439 R CHIP SA 2007 000174 R440 R CHIP SA 2007 000154 R441 R CHIP SA 2007 000171 R442...

Page 36: ...008419 R532 R CHIP SA 2007 000138 R533 R CHIP SA 3705 001339 RFS100 CONNECTOR COAXIAL SNA 3705 001421 RFS101 CONNECTOR COAXIAL SA 3709 001400 SIM507 CONNECTOR CARD EDGE SA 3708 002183 SLC510 CONNECTOR FPC FFC PIC SA 2404 001352 TA119 C TA CHIP SA 2404 001411 TA130 C TA CHIP SA 2404 001411 TA131 C TA CHIP SA 2404 001381 TA323 C TA CHIP SA 2404 001339 TA328 C TA CHIP SA 2404 001381 TA337 C TA CHIP S...

Page 37: ...EG SA 1203 003428 U309 IC DC DC CONVERTER SA 1203 003787 U311 IC POSI FIXED REG SA 1209 001219 U312 IC SENSOR SA 1203 003742 U313 IC BATTERY SA 1203 004089 U315 IC DC DC CONVERTER SA 1203 003517 U316 IC MULTI REG SA 1205 002681 U400 IC CODEC SA 1203 003787 U401 IC POSI FIXED REG SA 1001 001336 U405 IC ANALOG SWITCH SA 1204 002138 U406 IC MELODY SA 1201 002240 U408 IC AUDIO AMP SA 1001 001349 U409 ...

Page 38: ...400 VARISTOR SA 1405 001082 VR401 VARISTOR SA 1405 001082 VR508 VARISTOR SA 1405 001082 VR509 VARISTOR SA 1405 001082 VR510 VARISTOR SA 1405 001082 VR511 VARISTOR SA 1405 001082 VR512 VARISTOR SA 1405 001082 VR513 VARISTOR SA 0406 001210 ZD201 DIODE TVS SA 0406 001210 ZD202 DIODE TVS SA 0406 001210 ZD203 DIODE TVS SA 0406 001210 ZD204 DIODE TVS SA 0403 001511 ZD302 DIODE ZENER SA 0406 001190 ZD500...

Page 39: ...SAMSUNG Proprietary Contents may change without notice 7 Block Diagrams 7 1 This Document can not be used without Samsung s authorization ...

Page 40: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams 7 2 This Document can not be used without Samsung s authorization ...

Page 41: ...0 6 4 A T TA461 0 0 5 A T TA501 2 0 5 A T TP301 TP311 1 0 3 R T 3 0 2 U 4 0 2 U 0 0 3 U U301 U302 4 0 3 U U307 U311 3 1 3 U U400 1 0 4 U U405 U406 U408 9 0 4 U 3 0 5 U U505 U506 U507 6 0 2 D C U 4 1 3 D C U 8 0 5 D C U 0 0 2 P C U UCP402 J _ V 5 _ B S U J _ S N M D _ B S U J _ S L P D _ B S U 1 0 2 V V503 V504 V505 V506 V507 J _ T A B V 2 0 5 K V VR400 VR401 VR508 9 0 5 R V 0 1 5 R V VR511 VR512 V...

Page 42: ... 1 0 3 F GROUND 2 1 5 D C H JTAG1 JTAG2 MIC1 4 0 1 D O M 2 0 1 M A P 0 0 1 S F R RFS101 RST SIM507 TA119 1 3 1 A T 0 3 1 A T TA340 TA343 0 0 1 X C T 3 0 1 U U106 6 0 3 U 9 0 3 U 2 1 3 U 5 1 3 U 6 1 3 U 5 0 1 P C U 7 0 1 P C U UPL101 VR300 1 0 3 R V 1 0 2 D Z ZD202 3 0 2 D Z ZD204 ...

Page 43: ...k YES Check the current consumption more than 100mA Down load again NO YES NO Check the Vbat more than 3 3V Change the Battery YES Check the VLDO7_1 8V of U300 is more than 1 8V NO Check U300 and C315 YES Check VCCD_1 8V of U307 1 8V NO Check C340 of U307 YES Check VRF of U300 2 9V NO Check U300 and C317 YES Check C130 Freq 13MHz Vpp 0 4V Check the clock C130 NO YES Check the initial operation YES...

Page 44: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 2 ...

Page 45: ...1 C339 D302 VCCD_1 8V C337 L303 VLDO1_1 5V VRTC_1 5V C318 C320 VCCA_2 9V VLDO1_1 5V C317 VCCD_1 8V_PSC G E N 2 S O P C313 BAT300 J12 VLDO_2 A13 VLDO_3 B12 VLDO_4 B10 VLDO_5 A14 VLDO_6 C12 VLDO_7 H11 VRTC K12 VSIM F15 VIB_DRV A12 VL4S_A B11 VL4S_B D10 VL5S_A VL5S_B C9 G11 VLDO_1 K14 SIM_CLK J11 SIM_IO K11 SIM_RST F14 VACC F13 RING_DRV G13 LED1_DRV G12 LED2_DRV U300 C314 VCCD_2 9V C315 R304 C319 VCC...

Page 46: ...ot be used without Samsung s authorization 9 4 9 1 2 Initial Initial Failure YES Check VCCD VDDC_1 8V of U300 High when the phone is boot on Check U300 NO Check the VCCD_1 8V of U307 is High YES Check U307 NO YES Check HDC501 and LCD PART NO LCD display is O K YES Check Audio PART NO Sound is O K YES END ...

Page 47: ...32 33 33 34 34 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 13 13 14 14 15 15 16 16 17 17 18 18 19 19 2 2 HDC501 1 1 10 10 11 11 12 12 R561 C533 VLCD_3 0V 2 S VBAT_LCD Q500 3 D 1 G OUT2 OUT1 8 GND GND 10 1 IN1 IN2 2 3 IN3 IN4 4 5 OUT4 6 OUT3 7 F511 9 R562 IN4 4 5 OUT4 OUT3 6 7 OUT2 OUT1 8 F509 9 GND GND 10 1 IN1 IN2 2 3 IN3 7 OUT2 OUT1 8 9 GND GND 10 1 IN1 IN2 2 3 IN3 IN4 4 5 OUT4 6 OUT3 F513 R...

Page 48: ...elated to U300 YES Check the SIM connector s to SIM card NO Resolder or change SIM300 NO Check the related circuit of SIM300 YES Check the related circuit of SIM300 YES NO Check the related circuit of U300 Check the circuit around U300 output and voltage supply circuitry YES END 7 7 8 8 9 9 13 G G 14 15 G G 16 10 10 11 11 12 12 2 2 3 3 4 4 5 5 6 6 SIM300 1 1 C302 C303 C300 0 0 3 R V C301 1 0 3 R V...

Page 49: ... VCCD_1 8V ZD503 R547 R543 C514 C515 C523 R552 ZD507 R527 R556 C512 R550 R532 R546 C521 R553 ZD506 VR505 C522 R516 R528 VR508 VR540 C535 9 9 NC 21 22 NC 23 NC NC 24 25 NC NC 26 NC 27 28 NC 20 20 3 3 4 4 5 5 6 6 7 7 8 8 13 13 14 14 15 15 16 16 17 17 18 18 19 19 2 2 IFC500 1 1 10 10 11 11 12 12 C534 C520 R551 VCCA_2 9V C524 R539 1 2 3 4 5 6 C503 VR503 ZD505 VBAT VR515 R549 VR504 R529 R533 C513 T_OPT...

Page 50: ...sed without Samsung s authorization 9 8 9 1 5 Microphone Part Microphone does not work Check the assembled status of microphone Reassemblage microphone NO YES resolder or change R435 R438 R439 R440 R443 C440 C443 U407 Check the reference voltage on mic path R435 2 9V NO Is microphone ok YES Check U300 NO YES END ...

Page 51: ...t Samsung s authorization 10 S2A S2B 7 VDD 1 D1 3 D2 9 GND 6 4 IN1 8 IN2 2 S1A S1B 5 U407 C452 VCCD_2 9V R438 R441 C449 C445 TP400 R439 C455 C446 C448 C456 R440 C453 R435 2 0 4 R V VCCA_2 9V C454 R444 R443 1 0 4 R V MIC400 AK_MIC MAIN_MIC MAIN_MIC MIC MIC MIC MIC MIC_SEL AK_MIC MAIN_MIC MAIN_MIC MICOUTP MICINP MICINN MICOUTN ...

Page 52: ... authorization 9 10 9 1 6 Speaker Part Speaker does not work Check the LCD module connection YES Check the T P4 0 8 o f U4 0 9 LOW Change or resolder MCP200 NO YES Check the circuit around U409 Change or resolder R436 R442 U409 NO YES Check the R536 R538 Change or resolder R536 R538 NO YES YES END Change LCD module NO Is speaker OK ...

Page 53: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 11 This Document can not be used without Samsung s authorization ...

Page 54: ...ot be used without Samsung s authorization 9 12 TP410 R442 R436 4 D2 3 D 8 D4 12 6 D N G 17 D N G NC 21 22 NC 14 V 2S1 3 5 2 S 2 3 4IN 10 1 S 3 7 9 3S2 11 4S1 13 2 S 4 1 D 16 U409 2 1 2IN 15 1 S 1 1 1S2 C444 VBAT TP408 MSPK AMP SW2_OUT_P AOUTAP AOUTAN SW2_OUT_P AMP SPK SW2_OUT_N SW2_OUT_N SPK AS2 AS3 MSPK ...

Page 55: ... Camera Part Is that clock signal at the pin 18 40 5Mhz of HDC500 Camera function does not work Connect the HDC500 NO Check the connect HDC500 YES Check the U311 NO Pin 9 15 of U311 2 8V YES Check the U311 Pin 1 of U311 1 5V NO YES Replace Camera NO YES Check The U402 NO Is that clock signal at the pin 3 40 5Mhz of HDC500 YES Pin 8 of HDC500 is High NO END ...

Page 56: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 14 ...

Page 57: ... C509 C504 C530 6 0 5 C C505 C507 VCAM_2 8VA VCAM_1 5V VCAM_2 8V C529 2 IN2 IN3 3 4 IN4 OUT4 5 OUT3 6 OUT2 7 8 OUT1 F514 GND 9 10 GND IN1 1 R524 R521 R518 C508 R515 R526 R525 C528 M_CLK CAM_HSYNC CAM_VSYNC CAM_DATA 3 CAM_DATA 5 CAM_DATA 2 CAM_DATA 0 CAM_DATA 6 CAM_DATA 4 C_SDA CAM_DATA 1 P_CLK CAM_RST C_SCK CAM_DATA 7 C346 C350 C353 R327 R329 VCAM_1 5V C352 R326 R328 5 4 SW VIN 1 10 VOUT1 VOUT2 9 ...

Page 58: ...n not be used without Samsung s authorization 9 16 9 1 8 LCD LCD Does not display First Check the Connection of HDC501 and LCD Replace the connector HDC501 Have a some problem of connector HDS501 NO YES Check of U300 J12 C318 Display is not YES NO Check the pin 1 of U500 END Backlight does work NO YES ...

Page 59: ...ange without notice Flow Chart of Troubleshooting 9 17 This Document can not be used without Samsung s authorization C500 R519 R520 R517 R522 VBAT C501 6 FB 9 GND NC 5 OUT 1 8 PGND SW 7 2 VIN U500 4 AGND EN 3 L502 C502 LED MLCD_BL_EN LED ...

Page 60: ...ck Pin 6 7 65dBm RFS100 C100 L101 Resolder or Change U100 Resolder or Change U101 Check Pin 1 13 22 32 3 1V U101 Check R117 13MHz BTC500 PIN 3 C526 Check or resolder END YES YES YES U101 Check Pin 35 36 37 38 Vp p 100mV YES Check soldered status of L106 L107 C109 YES YES R117 Check or resolder TCX100 CHECK pin 4 2 9V PIN 3 13MHz V p p 800mV NO NO NO NO NO NO TCX100 change NO GSM Receiver is ok YES...

Page 61: ...k Pin 8 9 65dBm Check soldered status of C100 C101 L102 C102 RFS100 C100 L101 Resolder or Change U100 Resolder or Change U101 Check Pin 1 13 22 32 3 1V U101 Check R117 13MHz BTC500 PIN 3 C526 Check or resolder END YES YES YES U101 Check Pin 35 36 37 38 Vp p 100mV YES Check soldered status of L108 L109 YES YES R117 Check or resolder TCX100 CHECK pin 4 2 9V PIN 3 13MHz V p p 800mV NO NO NO NO NO NO ...

Page 62: ...Pin 10 11 65dBm Check soldered status of C100 C101 L102 C102 RFS100 C100 L101 Resolder or Change U100 Resolder or Change U101 Check Pin 1 13 22 32 3 1V U101 Check R117 13MHz BTC500 PIN 3 C526 Check or resolder END YES YES YES U101 Check Pin 35 36 37 38 Vp p 100mV YES Check soldered status of L110 L111 YES YES R117 Check or resolder TCX100 CHECK pin 4 2 9V PIN 3 13MHz V p p 800mV NO NO NO NO NO NO ...

Page 63: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 9 21 This Document can not be used without Samsung s authorization ...

Page 64: ... C100 check change YES PAM100 L112 check change YES Check the Battery Block PAM100 pin 3 LOW U300 check change YES YES NO NO NO PAM100 pin 1 HIGH PAM100 pin 6 1 2V U101 pin 39 7 11dBm U101 Pin 35 36 37 38 1 7V U101 pin21 13MHz Vp p 950mV TCX100 pin 3 13MHz Vp p 950mV NO YES NO NO YES YES YES NO TCX100 pin 4 2 9V YES U101 change or resolder U300 change NO YES PAM100 pin12 3 6dBm U300 check change N...

Page 65: ...100 C100 check change YES PAM100 R104 check change YES Check the Battery Block PAM100 pin 3 HIGH U300 check change YES NO NO NO PAM100 pin 1 HIGH PAM100 pin 6 1 2V U101 pin 40 7 11dBm U101 Pin 35 36 37 38 1 7V U101 pin21 13MHz Vp p 950mV TCX100 pin 3 13MHz Vp p 950mV NO YES NO NO YES YES YES NO TCX100 pin 4 2 9V YES U101 change or resolder U300 change NO YES PAM100 pin14 3 6dBm U300 check change N...

Page 66: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 24 ...

Page 67: ... VCC2 23 DATAIN 24 LATCHENABLE 25 CLK 26 SXENA 27 CHIPENA 28 NC 29 NC 3 51 CPAV 61 PPMOC 71 NPMOC 81 JDAFPL 91 FUBX ZHM62_ZHM31 2 TXENA 02 ENUTX 21 XTAL U101 1 VCC1 10 1900LNA_N 11 1900LNA_P 21 ANEXR 31 4CCV 41 NIFRXT C101 L101 VRF_2 9V C117 C118 R100 C112 1 G 4 C100 RFS100 2 A C 3 G L100 C109 L108 L110 L107 C104 C125 C126 R113 ANT_G1 NC 8 PCSRX PCSRX 9 4 VC1 VC2 2 L103 11 DCSRX 1 D PCSTX EGSMRX 1...

Page 68: ...113 R102 C108 R108 C130 6 4 VSUP R101 13 GND 11 GND 10 GND 17 7 GSMIN GSM_OUT 12 RSVD 8 VBATT 5 VPC 3 BS COUP_OUT 16 DCS PCS_IN 2 14 DCS PCS_OUT ENA 1 15 GND GND 9 GND C129 PAM100 U103 2 A GND 3 NC 1 5 NC 6 VCC Y 4 C131 R124 C111 C122 R121 R104 VRF_2 9V C132 C110 R103 R115 VRF_2 9V TCX100 GND 2 OUT 3 4 VCC VCON 1 TX_FB DPCS_OUT GSM_OUT SATDET CLK13M_RF CLK13M_YMU PAC_EN DCS74137_OUT GSM74137_OUT V...

Page 69: ...roubleshooting 9 27 This Document can not be used without Samsung s authorization 9 2 6 BLUETOOTH Resolder U102 Bluetooth does not work Yes Pin 3 of U102 1 8V No Yes Check Pin 22 of MOD100 6 dbm Resolder MOD100 No Yes CHECK THE SIGNAL OF ANT100 Resolder ANT100 No Yes End ...

Page 70: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 28 ...

Page 71: ...D VOUT 3 U102 C137 TP100 R122 C134 C133 PIO_4_UART_TX2 7 RESETB 8 PCM_OUT 9 GND 23 GND 24 PIO_1 25 UART_CTS 26 PIO_2 3 4 PIO_3 GND 5 PIO_5_UART_RTS2 6 PCM_CLK 16 UART_RX 17 VDD_REG 18 GND 19 UART_TX 2 PCM_SYNC 20 21 VDD_1 8V ANT 22 PIO_0 1 PIO_6_UART_CTS2 10 VDD_UART 11 GND 12 PCM_IN 13 UART_RTS 14 PIO_7_UART_RX2 15 MOD100 1 3 2 ANT100 VBT_1 8V VBT_EN PCM_IN PCM_OUT BT_TXD BT_RTS BT_CTS BT_RXD PCM...

Page 72: ...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 73: ...tronics Co Ltd Code No GH68 10794A 2006 08 Rev 1 0 ⓒ 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 ...

Search results

Summary of Contents for SGH-D840

Reviews:

Related manuals for SGH-D840

Brands by name

Popular brands

Samsung SGH-D840, Service Manual

Search results

Summary of Contents for SGH-D840

Reviews:

Related manuals for SGH-D840

Brands by name

Popular brands