Samsung SGH-P940 Service Manual Download Page 33

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SAMSUNG Proprietary-Contents may change without notice

Exploded View/Disassembly&Assembly Instructions

5-18

This Document can not be used without Samsung's authorization

Assemble UPPER and ARM.

LCD FPCB

Remove insulation TAPE.

VOLUME KEY

CAMERA KEY

④

③

②

⑤

①

1) Assemble LCD FPCB to FOLDER UPPER.

2) Take care so that FPCB may not tear or fold.

1) Assemble in LOCKER's order. ( ① → ② )

2) Assemble VOLUME KEY & CAMERA KEY.

3) Assemble in LOCKER's order. ( ③ → ④ → ⑤ )

4) Observe in VOLUME KEY & CAMERA KEY's

inclination.

CONNECT FOLDER SCREW

SCREW CAP

& FOLDER SCREW

(4POINT)

1) Attach FOLDER SCREW CAP (4POINT).

2) When contract SCREW, observe shooting out

scratch.

3) SCREW CAP fix as once more as possible

press.

Summary of Contents for SGH-P940

Page 1: ...S 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: ...ion 2 1 2 2 GSM Tx Power Class 2 2 3 Product 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 8 PCB Diagrams ...

Page 3: ...ata Input 9 16 9 7 Receiver Part 9 17 9 8 Back Light for Color Main LCD 9 19 9 9 Key Back Light 9 22 9 10 Camera Part 9 24 9 11 GSM Receiver 9 27 9 12 GSM Transmitter 9 29 9 13 DCS Receiver 9 32 9 14 DCS Transmitter 9 34 9 15 PCS Receiver 9 37 9 16 PCS Transmitter 9 39 9 17 WCDMA Receiver 9 42 9 18 WCDMA Transmitter 9 44 9 19 DVB H 9 46 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: ...2 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: ... 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 TX Power control level PCS1800 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: ...ocument can not be used without Samsung s authorization Main Function 260K Color QVGA Screen 176 320 2 15 6 5K OLED sub Screen 80 64 1 09 YAMAHA 64 poly Multimedia Message Service MMS E mail Voice recorder Java WAP2 0 Quad band 900 1800 1900 2100MHz Bluetooth Ver1 2 DVB H 2MEGA CAMERA ...

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: ... control 4 1 This Document can not be used without Samsung s authorization 4 1 Software Adjustments 1 2 3 4 5 6 1 JIG Download Trace Calibration etc 2 RF test cable RF test 3 Test cable JIG to phone 4 TA Travel Adaptor 5 Data Link Cable USB cable 6 Serial cable PC to JIG ...

Page 11: ...mss bin Modem binary for communication function Mocha binary for user interface and various application Rsrc_P940_Vodafone_Vanilla_Italy Files need for each application Rsrc2_P940 Low rc2 Power on off animation FactoryFS_P940_Vodafone_Vanilla_Italy ffs Default file system to be put into in initial production 4 2 2 Pre requsite for Downloading Downloader Program FastMultiLoader V3 3 exe SGH P940 Mo...

Page 12: ...out Samsung s authorization 4 2 3 S W Downloader Program 1 Boot the P940 by pressing Power ON key Number 9 key at the same time If you do properly you can see the following message on sub LCD SGH P940 DOWNLOAD 2 Load the binary download program by executing the FastMultiLoader V3 3 exe And then Check the 6275 6280 ...

Page 13: ...Contents may change without notice Array course control 4 4 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 14: ... Array course control 4 5 This Document can not be used without Samsung s authorization 5 Now press the button DownLoad 6 When downloading is complete UE reboot automatically If there is difference in FactoryFs bin UE will format file system automatically ...

Page 15: ...SAMSUNG Proprietary Contents may change without notice Array course control 4 6 This Document can not be used without Samsung s authorization ...

Page 16: ... Disassembly Assembly Instructions 5 1 Cellular phone Exploded View QCA01 QCH01 QVK02 QLC02 QFL02 QCR49 QFU01 QRB01 QBR04 QSH01 QAN01 QSC13 QRF01 QCR06 QCR32 QMO01 QSP01 QVK01 QAN04 QCK01 QFL01 QVO01 QCR06 QMW01 QFU02 QKP01 QME01 QFR01 QMI03 QAN02 QCB01 QMP01 QAN05 QCR58 QRE01 QCR06 QBA01 QBA00 QMI01 QIF01 QHI01 QMP02 QSP02 QCA02 QLC01 ...

Page 17: ... MACHINE 6001 001870 QFL01 ASSY CASE FOLDER LOWER GH98 02815A QFL02 NDC CASE ARM LOWER V2 GH71 06136A QFR01 ASSY CASE FRONT GH98 02814A QFU01 ASSY CASE FOLDER UPPER GH98 02817A QFU02 ASSY CASE ARM UPPER GH98 02816A QHI01 ASSY HINGE SWING HINGE GH98 01141A QKP01 ASSY KEYPAD EU BLK GH98 02819A QLC01 LCD SGH P940 MODULE GH07 01029A QLC02 LCD SUB FPCB GH07 01005A QMI03 RMO RUBBER MIC HOLDER V2 GH73 08...

Page 18: ...7144A PMO DUMMY CARD GH72 36453A PMO ANT TUBE GH72 36454A MPR SPK LEADING TAPE GH74 12322A MPR BOHO VINYL FOLDER GH74 18217A MPR TAPE MAIN WINDOW GH74 24330A MPR TAPE FRONT HINGE GH74 24337A MPR TAPE SCREW CAP FOLDER GH74 24355A MPR VINYL BOHO ARM GH74 26177B MPR INSU TAPE FRONT GH74 27674B MPR GASK TAPE GH74 28820A MPR GASK TAPE GH74 29119A MPR GASK TAPE GH74 29120A MPR GASK TAPE GH74 29121A MPR ...

Page 19: ... to REAR 3 Disassemble the Folder Ass y and Rear from the bottom of side 4 Disassemble giving flow to right and left UPPER LOCKER MIDDLE LOCKER LOWER LOCKER 1 After Disassemble priority REAR lower column side and REAR Disjoint top portion sequentially 1 When disjoint Take care LOCKING wealth damage and scratch attention 2 When disjoint REAR top portion do not inflict force and disassemble giving f...

Page 20: ... KEYPAD FPCB 1 When disjoint CONN pays attention to PIN damage and avoids for PBA piece part that effect goes 1 Disjoint KEYPAD FPCB CAMERA FPCB LCD FPCB INTENNA CONN 7 When is detached emancipate PBA 8 Remove Intenna GUIDE GROOVE 1 When disjoint CONN pays attention to PIN damage and avoids for PBA piece part that effect goes 1 Disjoint Coaxial CABLE at left side guide groove 2 Disjoint Intenna fr...

Page 21: ...dust prevention TAPE and insulation TAPE 1 When Intenna disjoints Do not inflict force to do damage does not go to LOCKER 2 When disjoint COAXIAL CABLE Avoid expiring or deform CABLE and CABLE CONN 11 Disjoint FOLDER ASSY HINGE PRESS POINT LEFT RIGHT 12 1 Disjoint right side and after extract left FPCB Separate FOLDER ASS Y and FRONT 1 Take care so that do not inflict force perforce 2 When disjoin...

Page 22: ...nt SCREW SCREW CAP scratch attention 1 After disjoint first side LOCKER Disjoint LOCKER 2 When disjoint take care so that damage may not go to LOCKER 3 Separate FOLDER LOWER UPPER LCD FPCB 4 Remove FOLDER UPPER SCREW 4 POINT SCREW CONNECTION 4POINT 1 When disjoint FPCB take care lest FPCB should tear 1 After FOLDER UPPER SCREW 4 point Extracting SUB LCD ASS Y FPCB through Hole 2 Separate UPPER and...

Page 23: ...care so that FPCB may not tear or fold 1 When remove insulation TAPE avoid influencing for piece part 7 Separate each parts MOTOR SPK R SPK L LCD CONN 1 Separate CAMERA KEY VOLUME KEY SPK MOTOR LCD CONN in FOLDER LOWER 2 When separate each parts Avoid parts interference and FPCB WIRE tearing or get taken 1 When remove Scratch Attention When remove dust use alcohol and swab 8 Remove WINDOW in LOWER...

Page 24: ...SCREW 6 POINT 1 REMOVE ARM SCREW SHEET 1 When disjoint SCREW Scratch Attention 3 Extract SUB LCD FPCB 4 1 When extract SUB LCD FPCB Take care so that FPCB may not tear 1 Remove INSULATION TAPE of detached ARM UPPER s lower column 2 After disjoint TOUCH KEY FPCB ARM Separate perfectly UPPER LOWER 3 Take care so that TOUCH KEY FPCB may not tear 1 1 3 3 A AR RM M D DI IS SA AS SS SE EM MB BL LY Y Rem...

Page 25: ... authorization 5 TOUCH KEY FPCB 6 Disassembly SUB LCD MODULE 1 Take care so that TOUCH KEY FPCB may not tear 1 Take care so that FPCB may not tear 7 Disjoint HINGE DUMMY HINGE DUMMY 8 Extract HINGE HINGE 1 When disjoint HINGE DUMMY take care so that CAMERA FPCB may not tear 1 Extract HINGE and Cancel CAMERA fixing state Separate ARM UPPER s TOUCH KEY FPCB ...

Page 26: ...Take care so that CAMERA FPCB may not tear 1 Separate ARM UPPER s TOUCH KEY FPCB CAMERA KEY SPK VOLUME KEY BONDING PART SPK MOTOR 2 Disjoint SUB LCD MODULE 1 Remove SPK MOTOR s bonding and disjoint SOLDERING segment 2 When remove SOLDERING Do not to effect goes for neighborhood piece part 1 Remove and Disjoint SOLDERING part of VOLUME KEY CAM KEY 2 Take care lest FPCB should tear 1 1 4 4 L LC CD D...

Page 27: ...t 1 When SOLDERING avoid influencing for neighborhood piece part 2 First Do MANUAL SOLDERING to LAND to do MANUAL SOLDERING 1 Do MANUAL SOLDERING Where red WIRE is FPCB s la and is registered Observe in polarity 2 When SOLDERING avoid influencing for neighborhood piece part 3 Do bonding SPEAKER MOTOR BONDING 1 Work bonding in SPEAKER WIRE s neck region 2 Work as do not become excess bonding 3 Glue...

Page 28: ...CB downward so that FPCB may not get torn 3 Take care lest should tear to FPCB and contracts 1 Does CAMERA insertion and uses hinge Fix CAMERA 3 Confirm HINGE DUMMY HINGE DUMMY Agreement 4 Confirm CAMERA insertion 1 Contracts HINGE DUMMY and Insert perfectly CAMERA 2 Observe in FPCB and hinge direction after CAMERA insertion 1 When was inserted fix HINGE DUMMY and CAMERA When turn downward do not ...

Page 29: ...B to ARM UPPER 2 When Attach TOUCH KEY FPCB Attach by projection standard for fixing 1 Attach TOUCH KEY FPCB to ARM UPPER CONN 2 Remove SUB WINDOW protection vinyl SUB WINDOW attach tape 3 Do to insert perfectly guide line 4 Take care so that insulation TAPE may not get loose 7 When is detached separate PBA 8 Remove Intena CAMERA FPCB BACK SUB LCD FPCB FRONT 1 After insert SUB LCD FPCB to HINGE DU...

Page 30: ... 9 Insert SUB LCD FPCB in ROTATE HINGE 10 Connect SCREW 6 POINTs DISJOINT SCREW 6 POINT 1 ROTATE HINGE s triangle symbol is combined to CAMERA When direction is not right do not become safe arrival perfectly 2 Take care lest FPCB should tear 1 When contract SCREW Take care so that scratch does not occur 11 Attach ARM SCREW SHEET ARM SCREW SHEET 1 Attach ARM SCREW SHEET ...

Page 31: ... Document can not be used without Samsung s authorization 1 Attach TAPEs INSULATION TAPE DUST PREVENTION TAPE 2 Attach black insulation TAPE 1 Central TAPE INSULATION TAPE CHALLENGE TAPE INSULATION TAPE 1 Sets well in holdfast directrix and attaches INSULATION TAPE 2 2 3 3 F FR RO ON NT T A AS SS SE EM MB BL LY Y ...

Page 32: ... Insert SPK L SPK R MOTOR and LCD CONN 2 Attach INSULATION TAPE 3 Take care so that WIRE may gets snarl and does not drop 3 Assemble UPPER and ARM 4 CONNECT FOLDER UPPER SCREW 4 POINT CONNECT SCREW 4POINT 1 Insert SUB LCD ASS Y s FPCB through FOLDER UPPER HOLE 2 Do ROTATE HINGE so that arrive safe to FOLDER UPPER 3 When insert FPCB take care so that FPCB may not tear 1 When contract SCREW Take car...

Page 33: ...E VOLUME KEY CAMERA KEY 1 Assemble LCD FPCB to FOLDER UPPER 2 Take care so that FPCB may not tear or fold 1 Assemble in LOCKER s order 2 Assemble VOLUME KEY CAMERA KEY 3 Assemble in LOCKER s order 4 Observe in VOLUME KEY CAMERA KEY s inclination 7 CONNECT FOLDER SCREW SCREW CAP FOLDER SCREW 4POINT 1 Attach FOLDER SCREW CAP 4POINT 2 When contract SCREW observe shooting out scratch 3 SCREW CAP fix a...

Page 34: ...ONT from HINGE DUMMY 3 Presses and assembles projected part 4 Opens FOLDER and repeats close of 2 times 3 Extract SUB LCD FPCB OBSERVE on HINGE DUMMY direction 4 Assemble INTENNA to REAR INTENNA 1 Take care so that FPCB may not be chewed 1 Assembles Intena from left side and right side 2 At left side assembly Confirm whether was arrived safe to KEY PCB GND 3 Take care so that COAXIAL CABLE may not...

Page 35: ...BA CONN 1 Insert MAIN PBA to SCREW BOSS s 4ea HOLE 2 Assemble INTENNA WIRE LCD FPCB 3 Assemble CAMERA FPCB KEYPAD FPCB 1 When insert PBA insert vertically 7 ASSEMBLE REAR UPPER LOCKER MIDDLE LOCKER LOWER LOCKER 8 CONNECT REAR SCREW 6 POINT CONNECT REAR SCREW POINT 1 Assemble Left LOCKER Right LOCKER and Lower LOCKER 2 Observe for LOCKING wealth damage 3 Take care so that RF WIRE may not be chewed ...

Page 36: ... notice Exploded View Disassembly Assembly Instructions 5 21 This Document can not be used without Samsung s authorization 1 Insert REAR SCREW CAP to 4 POINTs of picture 2 Attach R F SHEET 9 ASSEMBLE FPCB INTENNA CONN REAR SCREW CAP 2POINT RF SHEET ...

Page 37: ...SAMSUNG Proprietary Contents may change without notice Exploded View Disassembly Assembly Instructions 5 22 This Document can not be used without Samsung s authorization ...

Page 38: ...017 C CER CHIP 2203 006423 SA C1018 C CER CHIP 2203 006423 SA C1019 C CER CHIP 2203 006423 SA C102 C CER CHIP 2203 001124 DNA C1020 C CER CHIP 2203 000854 SA C1021 C CER CHIP 2203 006423 SA C1022 C CER CHIP 2203 006423 SA C1023 C CER CHIP 2203 006423 SA C1024 C CER CHIP 2203 006824 SA C1025 C CER CHIP 2203 006423 SA C1026 C CER CHIP 2203 000330 SA C1027 C CER CHIP 2203 006423 SA C1028 C CER CHIP 2...

Page 39: ...0 C CER CHIP 2203 005806 SNA C121 C CER CHIP 2203 005682 SA C122 C CER CHIP 2203 005808 SA C123 C CER CHIP 2203 005682 SA C124 C CER CHIP 2203 006556 SA C125 C CER CHIP 2203 005682 SA C126 C CER CHIP 2203 005682 SA C127 C CER CHIP 2203 006556 SA C128 C CER CHIP 2203 005682 SA C129 C CER CHIP 2203 005808 SA C130 C CER CHIP 2203 005717 SA C131 C CER CHIP 2203 006423 SA C132 C CER CHIP 2203 005682 SA...

Page 40: ...HIP 2007 000171 SA C216 C CER CHIP 2203 000386 SA C217 C CER CHIP 2203 006194 SA C218 C CER CHIP 2203 005736 SA C219 C CER CHIP 2203 005808 SA C220 C CER CHIP 2203 006423 SA C221 C CER CHIP 2203 005806 SNA C222 C CER CHIP 2203 006194 SA C223 C CER CHIP 2203 005736 SA C224 C CER CHIP 2203 005719 SA C225 C CER CHIP 2203 006423 SA C226 C CER CHIP 2203 006305 SA C227 C CER CHIP 2203 006846 SA C228 C C...

Page 41: ...R CHIP 2203 005806 SNA C329 C CER CHIP 2203 006194 SA C330 C CER CHIP 2203 006194 SA C331 C CER CHIP 2203 006194 SA C332 C CER CHIP 2203 006194 SA C333 C CER CHIP 2203 006194 SA C334 C CER CHIP 2203 006194 SA C335 C CER CHIP 2203 006423 SA C336 C CER CHIP 2203 005719 SA C337 C CER CHIP 2203 005806 SNA C338 C CER CHIP 2203 005806 SNA C339 C CER CHIP 2203 006194 SA C340 C CER CHIP 2203 006194 SA C34...

Page 42: ...R CHIP 2203 006562 SA C420 C CER CHIP 2203 006208 SA C421 C CER CHIP 2203 006838 SA C422 C CER CHIP 2203 006305 SA C423 C CER CHIP 2203 006838 SA C424 C CER CHIP 2203 006838 SA C425 C CER CHIP 2203 006305 SA C426 C CER CHIP 2203 006562 SA C427 C CER CHIP 2203 006305 SA C428 C CER CHIP 2203 006562 SA C429 C CER CHIP 2203 006305 SA C430 C CER CHIP 2203 005806 SNA C431 C CER CHIP 2203 005806 SNA C432...

Page 43: ...CER CHIP 2203 006423 SA C530 C CER CHIP 2203 006423 SA C531 C CER CHIP 2203 006556 SA C532 C CER CHIP 2203 005057 SA C533 C CER CHIP 2203 006648 SA C534 C CER CHIP 2203 006648 SA C535 C CER CHIP 2203 000654 SA C536 C CER CHIP 2203 000654 SA C538 C CER CHIP 2203 005344 SA C539 C CER CHIP 2203 006668 SA C540 C CER CHIP 2203 005736 SA C541 C CER CHIP 2203 006562 SA C542 C CER CHIP 2203 005344 SA C544...

Page 44: ...CER CHIP 2203 006562 SA C619 C CER CHIP 2203 006562 SA C620 C CER CHIP 2203 000278 SA C621 C CER CHIP 2203 000278 SA C622 C CER CHIP 2203 006423 SA C623 C CER CHIP 2203 006423 SA C625 C CER CHIP 2203 006423 SA C626 C CER CHIP 2203 006423 SA C627 C CER CHIP 2203 006423 SA C628 C CER CHIP 2203 006423 SA C629 C CER CHIP 2203 006423 SA C630 C CER CHIP 2203 006423 SA C631 C CER CHIP 2203 006708 SA C632...

Page 45: ...03 006872 SA C916 C CER CHIP 2203 006872 SA CD900 CONNECTOR CARD EDGE 3709 001392 SA D1000 DIODE TVS 0406 001239 SA D401 DIODE SCHOTTKY 0404 001245 SA D402 DIODE SCHOTTKY 0404 001245 SA D403 DIODE ARRAY 0407 001002 SA DUF200 DUPLEXER SAW 2910 000010 SA F101 DUPLEXER FEM 2911 000070 SA F201 FILTER SAW 2904 001658 SA F202 FILTER SAW 2904 001623 SA F800 FILTER EMI SMD 2901 001409 SA F801 FILTER EMI S...

Page 46: ... INDUCTOR SMD 2703 002267 SA L205 INDUCTOR SMD 2703 002198 SA L206 INDUCTOR SMD 2703 002906 SA L207 INDUCTOR SMD 2703 002313 SA L208 INDUCTOR SMD 2703 003004 SA L209 INDUCTOR SMD 2703 003004 SA L210 INDUCTOR SMD 2703 002205 SA L400 BEAD SMD 3301 001534 SA L401 BEAD SMD 3301 001534 SA L402 INDUCTOR SMD 2703 002840 SA L403 INDUCTOR SMD 2703 002840 SA L600 INDUCTOR SMD 2703 002782 SA L700 BEAD SMD 33...

Page 47: ...07 R CHIP 2007 007316 SA R109 R CHIP 2007 000145 SA R111 R CHIP 2007 007798 SA R112 R CHIP 2007 008045 SA R113 R CHIP 2007 008785 SNA R114 R CHIP 2007 009201 SA R115 R CHIP 2007 008579 SA R116 R CHIP 2007 008579 SA R117 R CHIP 2007 008045 SA R118 R CHIP 2007 008581 SNA R119 R CHIP 2007 008581 SNA R120 R CHIP 2007 000138 SA R121 R CHIP 2007 008806 SA R122 R CHIP 2007 001292 SA R123 R CHIP 2007 0001...

Page 48: ...HIP 2007 008052 SA R335 R CHIP 2007 008055 SA R336 R CHIP 2007 008052 SA R400 R CHIP 2007 000148 SA R401 R CHIP 2007 008483 SA R402 R CHIP 2007 008806 SA R403 R CHIP 2007 007468 SA R404 R CHIP 2007 000165 SA R405 R CHIP 2007 008055 SA R406 R CHIP 2007 008055 SA R407 R CHIP 2007 008055 SA R408 R CHIP 2007 007316 SA R409 R CHIP 2007 007468 SA R410 R CHIP 2007 009409 SA R411 R CHIP 2007 008055 SA R41...

Page 49: ...CHIP 2007 000170 SA R615 R CHIP 2007 008055 SA R618 R CHIP 2007 008055 SA R619 R CHIP 2007 008542 SA R620 R CHIP 2007 008542 SA R621 R CHIP 2007 000171 SA R700 R CHIP 2007 008055 SA R701 R CHIP 2007 008516 SA R702 R CHIP 2007 008419 SA R703 R CHIP 2007 008419 SA R704 R CHIP 2007 008548 SA R705 R CHIP 2007 008419 SA R706 R CHIP 2007 008419 SA R707 R CHIP 2007 009111 SA R708 R CHIP 2007 009084 SA R8...

Page 50: ...A U100 IC TRANSCEIVER 1205 002645 SA U1000 IC DECODER 1204 002625 SA U1001 IC DC DC CONVERTER 1203 004018 SA U1002 RF MODULE 4709 001459 SA U1003 IC POSI FIXED REG 1203 003812 SA U200 IC RECEIVER 1205 002781 SA U201 IC DETECTOR 1209 001577 SA U300 DIODE ARRAY 0407 001038 SA U301 IC SWITCH 1205 002784 SA U401 IC SWITCH 1205 002568 SA U402 IC POSI FIXED REG 1203 003815 SA U403 IC POSI FIXED REG 1203...

Page 51: ...TUS U901 IC CMOS LOGIC 0801 003076 SA UCP300 IC MODEM 1205 002790 SA UME1000 IC SRAM 1106 001538 SA UME300 IC MCP 1108 000072 SA V800 VARISTOR 1405 001177 SA VCO100 OSCILLATOR VCO 2806 001380 SA ZD701 DIODE TVS 0406 001197 SA ZD702 DIODE TVS 0406 001197 SA ZD703 DIODE ZENER 0403 001547 SA ZD800 DIODE TVS 0406 001237 SNA ZD801 DIODE TVS 0406 001237 SNA ZD802 DIODE TVS 0406 001237 SNA ...

Page 52: ...7 Block Diagrams 7 1 ...

Page 53: ...Block Diagrams 7 2 ...

Page 54: ...8 PCB Diagrams 8 1 Top ...

Page 55: ...PCB Diagrams 8 2 Bottom ...

Page 56: ... Yes C415 VREG_MSMC 1 3V Yes C416 VREG_MSME 1 8V C414 VREG_MSMP 2 6V C420 VREG_MSMA 2 6V C428 VREG_TCXO 2 8V Yes Check for the clock at c228 19 2Mhz power on does not work Check the Battery Voltage is more than 3 3V change the batteryt No Check the PMIC related to PS_HOLD No Resolder OSC400 No Check the PMIC No Check the PMIC No No Check the clock generation curcuit related to TCX200 Check the ini...

Page 57: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 2 Power On ...

Page 58: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 3 ...

Page 59: ...ut notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 4 9 2 Initial OSC600 13 MHz Initial Failure Check the SC15 U601 END No Yes Is HDC400 pin 13 LCD RESET OK Yes Yes No Check the LCD RESET Circuit ...

Page 60: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 5 ...

Page 61: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 6 ...

Page 62: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 7 ...

Page 63: ... card insert SIMP900 pin 2 H SIM_RST Replace PBA No Yes After Power ON Check SIM_CLK Signal on SIM900 pin3 in a few second Check the 32KHz OSC No Yes Yes Yes No END Check the SIM Card Check the SIM POWER Phone can t access SIM Card SIM900 pin 1 H Yes Replace PBA No Yes Check the 32KHz OSC No Yes Yes Yes No END Check the SIM Card Check the SIM POWER Phone can t access SIM Card ...

Page 64: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 9 ...

Page 65: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 10 ...

Page 66: ...sung s authorization 9 11 9 4 Speaker Part Melody C520 AVDD 3 0V Speaker does not work Check the Clock signal at Pin 4 of U502 19 2MHz Check the clock generation circuit related to 501 END No Yes No Resolder or replace U500 C524 1 5V When UCP300 operate Resolder U501 Yes No Yes Is Speaker working No Change the Speaker Yes Yes ...

Page 67: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 12 Speaker ...

Page 68: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 13 ...

Page 69: ...s authorization Flow Chart of Troubleshooting 9 14 9 5 Microphone Part No Check the connection from MIC Check the circuit from UCP300 to MIC Resolder MIC Resolder the R505 R506 R512 C517 C522 C559 C562 C563 C560 C710 C564 END No Yes Yes Yes Yes No Check the MIC Replace the MIC Microphone does not work ...

Page 70: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 15 Microphone ...

Page 71: ...ed without Samsung s authorization Flow Chart of Troubleshooting 9 16 9 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 72: ...cument can not be used without Samsung s authorization 9 17 9 7 Receiver Part END Yes Receiver does not work Is Receiver working Replace the Receiver No Yes No Replace HDC800 Yes Check the soldering of the RCV wire No Modify the RCV wire soldering Yes Check soldering of the HDC800 pin40 pin42 ...

Page 73: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 18 ...

Page 74: ...ing This Document can not be used without Samsung s authorization 9 19 9 8 Back Light for Color Main LCD Is BACKLIGHT set 15second ON in the Menu Set BACKLIGHT on 15second ON END No Yes Yes Backlight does not work L800 3 3V Replace or Resolder U401 No Yes Yes Replace the LCD Module ...

Page 75: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 20 ...

Page 76: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 21 ...

Page 77: ...n not be used without Samsung s authorization Flow Chart of Troubleshooting 9 22 9 9 Key Back Light Replace the KEY PBA Yes Change the battery No L803 3 3V Key Backlight does not work Yes Yes No Set BACKLIGHT on 15second ON Is BACKLIGHT set 15second ON in the Menu END Yes ...

Page 78: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 23 ...

Page 79: ...tion Flow Chart of Troubleshooting 9 24 9 10 Camera part Camera function does not work Yes No Connect the camera module Check the Camera connector Yes L801 1 5V L802 L804 2 8V No Replace or Resolder U403 U404 Yes HDC801 pin 4 40 32MHz No Replace U100 Yes Is there another problem END Replace the camera module Yes ...

Page 80: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 25 ...

Page 81: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 26 ...

Page 82: ...hout notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 27 9 11 GSM Receiver C130 65dBm Resolder U100 RTR 6250 END RX ON RF input CH center freq 67 7kHz Amp 50dBm Resolder F101 FEM Yes Yes No Yes ...

Page 83: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 28 ...

Page 84: ...t can not be used without Samsung s authorization 9 29 9 12 GSM Transmitter PAM100 PAM Pin6 1V Resolder PAM100 PAM TX ON 5Level Resolder VCO100 TXVCO VCO100 TXVCO pin1 2dBm PAM100 PAM pin9 20dBm F101 pin11 25dBm Resolder PAM100 Resolder F101 Yes Yes Yes Yes No No No No END Check UCP300 MSM6275 Yes ...

Page 85: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 30 ...

Page 86: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 31 ...

Page 87: ...hout notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 32 9 13 DCS Receiver C117 65dBm Resolder U100 RTR 6250 END RX ON RF input CH center freq 67 7kHz Amp 50dBm Resolder F101 FEM Yes Yes No Yes ...

Page 88: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 33 ...

Page 89: ...ung s authorization Flow Chart of Troubleshooting 9 34 9 14 DCS Transmitter PAM100 PAM Pin6 1V Resolder PAM100 PAM TX ON 0Level Resolder VCO100 TXVCO VCO100 TXVCO pin5 2dBm PAM100 PAM pin16 18dBm F101 pin11 22dBm Resolder PAM100 Resolder F101 Yes Yes Yes Yes No No No No END Check UCP300 MSM6275 Yes ...

Page 90: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 35 ...

Page 91: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 36 ...

Page 92: ...hout notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 37 9 15 PCS Receiver C126 65dBm Resolder U100 RTR 6250 END RX ON RF input CH center freq 67 7kHz Amp 50dBm Resolder F101 FEM Yes Yes No Yes ...

Page 93: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 38 ...

Page 94: ...t can not be used without Samsung s authorization 9 39 9 16 PCS Transmitter PAM100 PAM Pin6 1V Resolder PAM100 PAM TX ON 0Level Resolder VCO100 TXVCO VCO100 TXVCO pin5 2dBm PAM100 PAM pin16 18dBm F101 pin11 22dBm Resolder PAM100 Resolder F101 Yes Yes Yes Yes No No No No END Check UCP300 MSM6275 Yes ...

Page 95: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 40 ...

Page 96: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 41 ...

Page 97: ...used without Samsung s authorization Flow Chart of Troubleshooting 9 42 9 17 WCDMA Receiver Yes Resolder U200 RFR6250 END Resolder F202 WRX SAW C227 60dBm No Resolder DUF200 DPLX No Yes Yes C200 65dBm Yes No Check Resolder F101 C207 60dBm Yes RX ON RF input CH center freq Amp 50dBm ...

Page 98: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 43 WCDMA RX PART ...

Page 99: ...horization Flow Chart of Troubleshooting 9 44 9 18 WCDMA Transmitter TX ON PDM for 23dBm C210 5Bm C211 5dBm PAM200 pin8 20dBm Resolder F201 WTX SAW Check Resolder PAM200 WPAM C207 20dBm Yes Yes Yes Yes No No No END Resolder DUF200 DPLX No Check Resolder U100 RTR6250 Yes C112 20dBm Check Resolder F101 No Yes ...

Page 100: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 45 WCDMA TX Part ...

Page 101: ... without Samsung s authorization Flow Chart of Troubleshooting 9 46 9 19 DVB H YES DVB H PLAY ON SUB_EN_DVB_PWR 2 6V C1005 1 2V C1007 2 775V C1051 1 8V Check the connector SOC900 OSC1001 36MHZ Check Replace U1001 U1003 Check Resolder OSC1001 Replace SUB PBA END YES YES YES YES NO NO NO ...

Page 102: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 9 47 ...

Page 103: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 48 ...

Page 104: ...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 105: ...SAMSUNG Proprietary Contents may change without notice Reference data 10 2 This Document can not be used without Samsung s authorization ...

Page 106: ...msung Electronics Co Ltd 2007 01 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 ...

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Samsung SGH-P940, Service Manual, Page: 33 / 106

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