Samsung SGH-D820 Service Manual Download

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GSM TELEPHONE

SGH-D820

JVP WHOHSKRQH

FRQWHQWV

Specification

Circuit Description

Exploded Views and Parts List

Electrical Parts List

Block Diagrams

PCB Diagrams

Flow Chart of Troubleshooting

Summary of Contents for SGH-D820

Page 1: ...SM TELEPHONE SGH D820 JVP WHOHSKRQH FRQWHQWV 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 ...

Page 2: ...o Ltd March 2006 Printed in Korea Code No GH68 09648A 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: ...pacing 45MHz 45MHz 45MHz 95MHz 80MHz Mod Bit rate Bit Period 270 833kbps 3 692us 270 833kbps 3 692us 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 576 9us 4 615ms 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 5dBm 33dBm 5dBm 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm Power Class 5p...

Page 4: ...8 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 GSM900 5 33 3 dBm 6 31 3 dBm 7 29 3 dBm 8 27 3 dBm 9 25 3 dBm 10 23 3 dBm 11 21 3 dBm 12 19 3 dBm 13 17 3 dBm 14 15 3 dBm 15 13 3 dBm 16 11 5 dBm 17 9 5 dBm 18 7 5 dBm 19 5 5 dBm TX Power control level GSM850 5 33 3...

Page 5: ...s fully integrated GSM GPRS quad band transceiver with RF VCO loop filters and most of the passive components required in it It also fully integrated fractional N RF synthesizer with AFC control possibility RF VCO with integrated supply regulator Semi integrated reference oscillator with integrated supply regulator RF Receiver front end amplifies the E GSM900 GSM850 DCS1800 and PCS1900 aerial sign...

Page 6: ...odulate the intensity of a series of LED s or to control a DC DC converter that drives LCD backlight This phone is using PWM control to modulate the LCD backlight brightness Clock Generator The Clock Generator CG generates all clocks for internal and external usage The 32 768 kHz crystal oscillator provides an accurate low clock frequency for the PCF50603 and other circuitry 2 2 2 LCD D820 has jus...

Page 7: ...99 U515 is an analog switch to connect SAPA1D2 input port to main DSP or CODEC Chip 2 2 8 Memory UME307 D820 has KBH10PD00M D414 as a memory module The KBH10PD00M D414 is a Multi Chip Package Memory which combines 256Mbit Synchronous Burst Multi Bank NOR Flash Memory and 1Gbit OneNAND Flash and 256Mbit Synchronous Burst UtRAM It has 16 bit data line HD 0 15 which is connected to PCF5213 and CL8522...

Page 8: ...U from Toyocom AFC controlling signal form PCF5213EL1 controls frequency from 26MHz X tal It generates the clock frequency This clock is connected to PCF5213EL1 and UAA3587 2 2 11 CL8522S5 U303 CL8522S5 provides rich video functions up to 30 frame display with minimized tasks in the handset main processor as well as hardware based real time JPEG compression and decompression CL8522S5 directly tran...

Page 9: ...ment can not be used without Samsung s authorization 3 1 Exploded View QMW02 QFU01 QKP02 QMI01 QHI01 QCH04 QCH10 QCW01 QSC11 QSC12 QPC01 QAN06 QAN02 QCR09 QKP01 QVK06 QSH01 QMP01 QCR12 QLC01 QCH05 QRE01 QRF01 QBA01 QBA00 QVK01 QIF01 QCR26 QME01 QCA01 QVO02 QVO09 QCR06 QFL01 QCR17 QCR06 QMO01 QSP02 QSP01 ...

Page 10: ...5 09284A QHI01 MEC HINGE CAMERA GH75 06936A QKP01 MEC KEYPAD MAIN EU IKA GH75 08928A QKP02 MEC KEYPAD SUB GH75 08927A QLC01 ELA ETC SGHD820 SUB LCD ASSY GH96 02105A QME01 UNIT METAL DOME SUB GH59 02384A QMI01 MICROPHONE ASSY GH30 00220A QMP01 PBA MAIN SGHD820 GH92 02534A QMW02 PCT MAIN WINDOW GH72 25222A QPC01 MEA SLIDER FPCB KIT GH97 05501A QRF01 PMO RF COVER GH72 25131A QSC11 PMO S LOWER SCREW C...

Page 11: ...R TAPE MAIN WINDOW GH74 17833A MPR TAPE SUB INSULATION GH74 17843A MPR TAPE SUB INSULATION GH74 17843A MPR TAPE MAIN CONNECTOR GH74 17844A MPR TAPE RF COVER GH74 17845A MPR TAPE EL FIXED GH74 18873A MPR TAPE HOT BAR FIXED GH74 18878A MPR BOHO VINYL INPUT BEF GH74 18886A MPR BOHO VINYL INPUT AFT GH74 18887A MPR TAPE VOLKEY SOLDER GH74 18904A MPR BOHO VINYL KEYPAD GH74 19130A MPR BOHO VINYL M KEYPAD...

Page 12: ...isassemble the phone by compulsion Remove the 4 screws on Antenna Audio Parts When remove the Antenna part make ensure the Vibrator part carefully Slide up then remove the green tape Remove the Main PCB and Key pad then remove the 2 screws Open the rear case with your finger Put the disassembly tool on lower end of rear case Remove the Antenna Audio part by tweezer When you remove the FPCB you mus...

Page 13: ...e up then remove the 4 screws Disassemble the Slide Part Before disassemble the Camera part remove the green tape When you remove the FPCB first pull up the actuator then removethe FPCB Before disassemble the slider PCB remove the Receiver part When you remove the audio part using a removal hole by tweezer Remove the green tape then remove the FPCB 12 11 10 9 7 8 ...

Page 14: ...ietary Contents may change without notice Exploded view and its Part list 3 6 This Document can not be used without Samsung s authorization When you disassemble the slide part push the slide part to the upper end 13 ...

Page 15: ...g Procedure Check the guide holes for dome sheet The lower part of dome sheet should be attached on the rear side of PCB Solder the sub_microphone guided by it s soldering point Adhere the non conductive tape on the soldering point of SUB_MIC Check the guide hole on right position Check the Hot Bar Backlight FPCB Heat seal and Guide poles Soldering Point 1 2 3 4 5 6 ...

Page 16: ...out Samsung s authorization Check the guide hole on right position Adjust between each corners of LCD module and Guiding edges on PCB Solder the backlight FPCB Be careful of two guide marks on soldering process Solder the Receiver on PCB Receiver s FPCB should be parallel to the PCB GUIDE MARK Guide hole NG OK 7 8 9 10 11 12 ...

Page 17: ...thorization Adhere the non conductive tape on left side of PCB Adhere the non conductive tape on the charger pump Adhere the non conductive tape on Hot bar Adhere the non conductive tape on backlight FPCB Solder and bond the vibrator s wire and bend it on picture s direction Paste the Bluetooth Ant on the right side Speaker 18 17 15 16 14 13 ...

Page 18: ...t the PCB outline and be careful of electrical shortage Insert the rubber for intenna contact Rubber should be place on aligned position on the red line Adhere the non conductive tape on the solder point of side key Bend the SPK FPCB The bending point of SPK FPCB Lower side Push lightly Higher side This point should not be bended Bending point of FPCB the form of U 24 23 21 22 20 19 ...

Page 19: ...authorization Remove the protection cover Check the alignment between FPCB and white silk line Adhere the non conductive tape on FPCB connector of Sub PCB Check the alignment between FPCB and white silk line Put the Sub Key Pad on the slide upper case Remove the protection tape on LCD window Check the white silk line Push Paste 28 27 26 25 ...

Page 20: ...MIC into each holder on the slide upper case Put the sub PBA assy on the slide upper case Wind the camera s FPCB on the its hinge Insert the camera module on the fron case put on the camera s hinge first Adhere the non conductive tape on the cameras FPCB Pull out the Main FPCB through the slider case s hole red circle 2 1 from 2 to 1 direction Wind the FPCB twice 34 33 31 32 30 29 ...

Page 21: ...t be used without Samsung s authorization Push the slide lower to the slide upper s direction If there is no problems until now the current state will be like this Screw down the upper s 4 points Screw down the lower s 2 points Insert the screw cap Be careful of each direction SCREW HOLE SCREW HOLE 39 37 38 36 35 ...

Page 22: ...pad on the front case Place the shield can over the main key pad Confirm the bending state of Main FPCB Push the main FPCB into the Main connector Insertion guide Insertion guide II MAIN KEY PAD s GUIDE HOLE shield can s guide line Confirm the alignment Push the whole parts of FPCB equaly Push the middle of actuator first and the both sides later 1 2 2 45 44 42 43 41 40 ...

Page 23: ...the non conductive tape on the Main connector of Main PCB Adhere the gold gasket over the non conductive tape Bending line should be aligned with the red line If the other point is bent the critical display error will be occurred Bend and push the side key FPCB into the front case Put the Main PCB on the shield can in the order described above 51 50 48 49 47 46 ...

Page 24: ... used without Samsung s authorization Insert the shield can s connector Insert the Speaker s connector Reference position of the vibrator s wire Bend as the form of U and push the SPK s FPCB into the inner space The picture of side key FPCB on normal condition Screw down the side key s holder SCREW 57 56 54 55 53 52 ...

Page 25: ... list 3 17 This Document can not be used without Samsung s authorization Screw down on each 4 points of intenna module Two red circles point should be inserted first at the rear case assembly procedure Push each 5 points sufficiently Screw down on the last 2 points SCREW 60 61 59 58 ...

Page 26: ...B Part 1 Check the condition of FPCB and remove the protection cover of Sub PCB 2 Check the alignment between FPCB and white silk line 3 Push and Paste evenly by pushing tool 4 Adhere the non conductive tape on FPCB connector of Sub PCB 5 Check the condition of attachment 6 Bend the FPCB upward and check the alignment between FPCB and white silk line Check the white silk line Push Paste 4 1 2 3 6 ...

Page 27: ...e bending state of FPCB Remove the protection cover Push the main FPCB into the Main connector and confirm the alignment with ⓐ ⓑ line Push the whole parts of FPCB equally Push the middle of actuator first and the both sides later Adhere the non conductive tape on the Main connector of Main PCB Confirm the alignment 1 2 2 10 9 7 8 12 11 The tape should cover this audio chip ⓐ ⓑ ...

Page 28: ...cument can not be used without Samsung s authorization Adhere the gold gasket over the non conductive tape Bending line should be aligned with the red line Important If the other point is bent the critical display error will be occurred 13 14 The gold gasket should not exceed this non conductive tape ...

Page 29: ... Check the 1 Hot Bar 3 Backlight FPCB 2 Heat seal and 4 Guide poles 1 Remove the double sided tape on Sub PCB by tweezer 2 Align the guide holes on hot bar FPCB with guide silk on Sub PCB 3 Paste the flux evenly on the solder PAD 4 Solder by the soldering iron 5 Check the soldered condition Check the condition of HOT BAR by a magnifying glass 1 3 4 3 2 1 NG FILLET should be formed OK 2 ...

Page 30: ...e the tape by tweezer 1 Attach the LCD module after inserting the back light FPCB first 2 LCD module should be attached closely on Sub PCB 3 Check the LCD s GUIDE POLE fitting on the guide groove on Sub PCB 1 Remove the cover of double sided tape beside the soldering pad by tweezer 2 Adjust the end of Backlight FPCB s Land with the guide mark on PCB 3 Paste the flux on the solder land 1 Pay attent...

Page 31: ...the Receiver Temp recommend 350 380 2 Soldering time within 3 sec 1 Check the soldered position 2 Check the short open condition Adhere the non conductive tape on left side of PCB Adhere the non conductive tape on the charger pump Adhere the non conductive tape on Hot bar Adhere the non conductive tape on backlight FPCB Check the Guide hole NG OK 8 9 12 13 11 10 ...

Page 32: ...ist 3 24 This Document can not be used without Samsung s authorization 3 7 Test Jig GH80 03306A 3 7 2 RF Test Cable GH39 00397A 3 7 3 Test Cable GH39 00459A 3 7 5 Power Supply Cable 3 7 6 DATA CABLE GH39 00444A 3 7 7 TA GH44 01060A 3 7 1 USB JIG Cable 3 7 4 Serial Cable CSA LL64151 A ...

Page 33: ...C CER CHIP 2203 006120 SA C131 C CER CHIP 2203 006120 SA C134 C CER CHIP 2203 000233 SA C135 C CER CHIP 2203 000254 SA C136 C CER CHIP 2203 000330 SA C138 C CER CHIP 2203 000812 SA C139 C CER CHIP 2203 000854 SA C141 C CER CHIP 2203 000995 SA C142 C CER CHIP 2203 000995 SA C147 C CER CHIP 2203 002709 SA C148 C CER CHIP 2203 000654 SA C152 C CER CHIP 2203 000812 SA C157 C CER CHIP 2203 000995 SA C1...

Page 34: ...659 SA C328 C TA CHIP 2404 001240 SA C329 C TA CHIP 2404 001088 SA C330 C CER CHIP 2203 006562 SA C331 C CER CHIP 2203 006562 SA C350 C CER CHIP 2203 006324 SA C401 C CER CHIP 2203 006562 SA C402 C CER CHIP 2203 006838 SA C403 C CER CHIP 2203 006824 SA C405 C CER CHIP 2203 006048 SA C406 C CER CHIP 2203 006257 SA C407 C CER CHIP 2203 000550 SA C408 C CER CHIP 2203 000550 SA C411 C CER CHIP 2203 00...

Page 35: ... C553 R CHIP 2007 000148 SA C554 C CER CHIP 2203 005344 SA C555 C CER CHIP 2203 006562 SA C556 C CER CHIP 2203 006048 SA C558 C CER CHIP 2203 006562 SA C559 C CER CHIP 2203 005344 SA C563 C CER CHIP 2203 000854 SA C564 C CER CHIP 2203 003054 SA C566 C CER CHIP 2203 006048 SA C567 C CER CHIP 2203 000812 SA C568 C CER CHIP 2203 000812 SA C569 C CER CHIP 2203 000627 SNA C570 C CER CHIP 2203 000627 SN...

Page 36: ...62 SA C753 C CER CHIP 2203 006562 SA C754 C CER CHIP 2203 006838 SA C755 C CER CHIP 2203 006048 SA C756 C CER CHIP 2203 005682 SA C757 C CER CHIP 2203 005682 SA C758 C CER CHIP 2203 005682 SA C759 C CER CHIP 2203 005682 SA C760 C CER CHIP 2203 005682 SA C762 C CER CHIP 2203 005682 SA C763 C CER CHIP 2203 005682 SA C764 C CER CHIP 2203 005682 SA C765 C CER CHIP 2203 005682 SA C766 C CER CHIP 2203 0...

Page 37: ...CARD EDGE 3709 001344 SA CPL308 BLUETOOTH MODULE 4709 001382 SA D309 DIODE TVS 0406 001200 SA D403 DIODE SCHOTTKY 0404 001172 SA D500 DIODE SCHOTTKY 0404 001172 SA D516 DIODE TVS 0406 001208 SA D517 DIODE TVS 0406 001150 SA D813 DIODE TVS 0406 001203 SA D814 DIODE TVS 0406 001203 SA D815 DIODE TVS 0406 001203 SA D816 DIODE TVS 0406 001203 SA D817 DIODE TVS 0406 001201 SA F101 DUPLEXER FEM 2911 000...

Page 38: ...01723 SA L502 BEAD SMD 3301 001756 SA L503 BEAD SMD 3301 001756 SA L504 BEAD SMD 3301 001729 SA L601 BEAD SMD 3301 001534 SA L602 BEAD SMD 3301 001729 SA L603 BEAD SMD 3301 001729 SA L604 BEAD SMD 3301 001729 SA L700 BEAD SMD 3301 001438 SA L701 BEAD SMD 3301 001438 SA L710 INDUCTOR SMD 2703 001723 SA L711 INDUCTOR SMD 2703 001723 SA L712 INDUCTOR SMD 2703 001938 SA L713 INDUCTOR SMD 2703 001938 S...

Page 39: ...00162 SA R224 R CHIP 2007 000162 SA R250 R CHIP 2007 000147 SA R280 R CHIP 2007 000140 SA R300 R CHIP 2007 000162 SA R301 R CHIP 2007 008055 SA R304 R CHIP 2007 000148 SA R305 R CHIP 2007 000170 SA R306 R CHIP 2007 008590 SNA R307 R CHIP 2007 000157 SA R308 R CHIP 2007 007312 SA R309 R CHIP 2007 008516 SA R320 R CHIP 2007 000162 SA R322 R CHIP 2007 000140 SA R323 R CHIP 2007 000162 SA R324 R CHIP ...

Page 40: ...561 R CHIP 2007 000162 SA R565 R CHIP 2007 008531 SA R567 R CHIP 2007 008531 SA R600 R CHIP 2007 008516 SA R601 R CHIP 2007 007107 SA R603 R CHIP 2007 000162 SA R604 R CHIP 2007 008483 SA R605 R CHIP 2007 007573 SA R606 R CHIP 2007 000142 SA R607 R CHIP 2007 007318 SA R608 R CHIP 2007 007588 SA R609 R CHIP 2007 007334 SA R612 R CHIP 2007 000170 SA R613 R CHIP 2007 000170 SA R617 R CHIP 2007 000148...

Page 41: ...H 1001 001350 SA U201 IC ANALOG SWITCH 1001 001231 SA U304 IC POSI FIXED REG 1203 003754 SA U305 IC CMOS LOGIC 0801 002237 SA U310 IC POSI FIXED REG 1203 003829 SA U311 IC CMOS LOGIC 0801 002237 SA U314 IC POSI FIXED REG 1203 003767 SA U315 IC CODEC 1205 002834 SA U316 IC POSI FIXED REG 1203 003432 SA U400 IC POWER SUPERVISOR 1203 003882 SA U401 IC DC DC CONVERTER 1203 003545 SA U402 IC POSI FIXED...

Page 42: ... VR101 VARISTOR 1405 001082 SA VR102 VARISTOR 1405 001082 SA VR300 DIODE TVS 0406 001150 SA VR301 VARISTOR 1405 001082 SA VR302 DIODE TVS 0406 001150 SA VR303 VARISTOR 1405 001082 SA VR304 VARISTOR 1405 001082 SA VR305 VARISTOR 1405 001082 SA VR400 VARISTOR 1405 001082 SA VR500 VARISTOR 1405 001082 SA VR501 VARISTOR 1405 001082 SA VR600 THERMISTOR NTC 1404 001221 SA VR810 VARISTOR 1405 001082 SA V...

Page 43: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 5 Block Diagrams 5 1 5 1 RF Solution Block Diagram ...

Page 44: ...SAMSUNG Proprietary Contents may change without notice Block Diagrams This Document can not be used without Samsung s authorization 5 2 5 2 Base Band Solution Block Diagram ...

Page 45: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 6 PCB Diagrams 6 1 6 1 Main PCB Top Diagram ...

Page 46: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams This Document can not be used without Samsung s authorization 6 2 6 2 Main PCB Bottom Diagram ...

Page 47: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams This Document can not be used without Samsung s authorization 6 3 6 3 Sub PCB Top Diagram ...

Page 48: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams This Document can not be used without Samsung s authorization 6 4 6 4 Sub PCB Bottom Diagram ...

Page 49: ...er On does not work Charge the Battery END No Yes C406 VINT 2 7V Check the PMU related to VINT No Yes Check the Clock at R401 32KHZ Resolder OSC400 No Yes C425 VDD_IO_LOW C424 VDD_IO_HIGH H Check the related circuit No Yes C403 VDD_GSM_CORE 1 875V Check the VDD_GSM_CORE circuit No Yes Check for the clock at C114 26MHz Check the clock generation circuit related to TCX100 No Yes Check the initial op...

Page 50: ... _SIMRSCD 44 7 _SIMRSHC 40 SIMD3VBAT 45 SIMEN 42 SIMIOCD 9 SIMIOHC 41 SIMVCC 31 VBAT 32 VCHG 29 VINT RF1VDD 22 24 RF2VDD 2 SCL 38 SCN 37 SCP 3 SDA 43 SIMCKCD 8 SIMCKHC 53 NC NC 54 26 OSCI 25 OSCO 6 PWREN1 5 PWREN2 28 REFC 23 RF12VBAT GPO3 46 HCVBAT 18 17 HCVDD 15 IOD2VBAT IOVDD 14 LPD1VBAT 20 19 LPVDD 12 MICBIAS D2VDD 16 39 D3VDD 49 GND GND 50 51 GND GND 52 48 GPO1 47 GPO2 34 CHGCUR BATMAX 33 CHGD...

Page 51: ...hart of Troubleshooting This Document can not be used without Samsung s authorization 7 3 7 2 Initial TP229 RSTON H Initial Failure Check the circuit related to reset END No Yes Is U305 pin 4 OK Yes Yes No Check the U305 Check the 16bit data signal memory CE Yes ...

Page 52: ...10 _WEO H11 NC H12 NC G1 NC G10 INTO G11 VCCO G12 NC G2 NC G3 NC G4 NC G5 _CSU VSS F2 F3 VCCC NC F4 RDYO F5 _AVDRU F6 NC F7 A8ROU F8 NC F9 NC E6 _MRSU E7 A19RU E8 A12ROU E9 NC F1 NC F10 NC F11 NC F12 E1 A13ROU E10 NC E11 VSS E12 A3ROU E2 A6ROU E3 _CEO E4 CLKO E5 CLKRU D2 A5ROU D3 A18RU D4 RDYR_WAITU D5 A21RU D6 _RESETR D7 A20RU D8 A10ROU D9 NC C6 _LBU C7 VSS C8 A9ROU C9 NC D1 A11ROU D10 A14ROU D11...

Page 53: ...ut Samsung s authorization 7 5 7 3 Charging Part Yes Resolder or replace U605 Check the circuit related to AUX_ON signal Resolder or replace U605 Check the circuit related to V_EXT_CHARGE Yes No Check the U605 pin 9 4 2V Yes No U605 pin 4 L Yes No U605 pin 6 L Yes No END Abnormal charging part Check the U605 pin 10 4 9V ...

Page 54: ...zation Flow Chart of Troubleshooting 7 6 7 4 Sim Part SIM400 pin 1 5 H Phone can t access SIM Card Check the sim charge pump Check the SIM Card END No Yes Yes Yes No Check the Clock After Power ON Check SIMCLK Signal on pin3 of SIM400 in a few Yes No Replace PBA After SIM card insert SIM400 pin 2 H SIM_RST Yes ...

Page 55: ...SCD 44 7 _SIMRSHC 40 SIMD3VBAT 45 SIMEN 42 SIMIOCD 9 SIMIOHC 41 SIMVCC 31 VBAT 32 VCHG 29 VINT RF1VDD 22 24 RF2VDD 2 SCL 38 SCN 37 SCP 3 SDA 43 SIMCKCD 8 SIMCKHC 53 NC NC 54 26 OSCI 25 OSCO 6PWREN1 5 PWREN2 28 REFC 23 RF12VBAT GPO3 46 HCVBAT 18 17 HCVDD 15 IOD2VBAT IOVDD 14 LPD1VBAT 20 19 LPVDD 12 MICBIAS D2VDD 16 39 D3VDD 49 GND GND 50 51 GND GND 52 48 GPO1 47 GPO2 34 CHGCUR BATMAX 33 CHGDRV 4 CL...

Page 56: ... 5 Microphone Part Main Check the connection status of HDC704 Check the inductors L711 L710 Re insert the connector HDC704 Resolder the L711 and L710 END No Yes Yes Yes Yes No Check MIC_BIAS H No Resolder R500 R501 TA502 R505 R506 Microphone does not work Yes Check MIC_SEL2 L No Check the related circuit Check the MIC No Replace the SPK MIC module Yes ...

Page 57: ... 2 V U511 COM C570 TA502 R520 75 R506 C564 R500 C500 12 1 A0 A1 4 GND 3 6 GND 10 S0 S1 7 VCC 9 VCC U514 0B0 2 5 0B1 0B1 11 8 1B1 C567 C505 R505 C503 C569 C562 L501 MIC_BIAS VDD_IO_HIGH TA534 IN 1 ENABLE 52 GND 4 OUU SAG 3 6 V VDD_TV U503 C506 MIC_BIAS C507 C571 C565 R522 NC 4 NO 6 V 2 C563 U512 5 COM 3 GND 1 IN R501 C504 C501 MIC_CN MIC_CP T_OUT TXD1_TVOUT VDD_TV_EN TXD1 MICIN_P MICIN_N MIC_SEL1 M...

Page 58: ...tion Flow Chart of Troubleshooting 7 10 7 6 Microphone Part Sub Check the connection status of Sub_MIC Resolder the Sub_MIC END No Yes Yes Yes Check MIC_BIAS H No Resolder R500 R501 TA502 R505 R506 Microphone does not work Yes Check MIC_SEL2 H No Check the related circuit Check the MIC No Replace the Sub_MIC Yes ...

Page 59: ... 2 V U511 COM C570 TA502 R520 75 R506 C564 R500 C500 12 1 A0 A1 4 GND 3 6 GND 10 S0 S1 7 VCC 9 VCC U514 0B0 2 5 0B1 0B1 11 8 1B1 C567 C505 R505 C503 C569 C562 L501 MIC_BIAS VDD_IO_HIGH TA534 IN 1 ENABLE 52 GND 4 OUU SAG 3 6 V VDD_TV U503 C506 MIC_BIAS C507 C571 C565 R522 NC 4 NO 6 V 2 C563 U512 5 COM 3 GND 1 IN R501 C504 C501 MIC_CN MIC_CP T_OUT TXD1_TVOUT VDD_TV_EN TXD1 MICIN_P MICIN_N MIC_SEL1 M...

Page 60: ... Speaker Part Speaker does not work Check the supply voltage of U504 Is the L504 3 8V Check the VBAT or replace L504 No Yes Is the D Amp U504 output working Check R551 and 552 Resolder R551 R552 or replace U504 No Yes END Is Speaker working Change the Speaker MIC module No Yes Yes Check the connection status of HDC704 Re insert the connector HDC704 No Yes ...

Page 61: ...ass_AMP typical 3 8V C552 C559 VBAT TA557 C553 C550 C551 6 VOPR 7 VDD 8 VSS 9 VDD 23 VREFL 24 VIPL GND 25 26 NC NC 27 3 VDD 4 VOMR 5 VSS 16 VOML 17 VSS 18 VOPL 19 VDD 2 VSS 20 VSS 21 VDD 22 VIML 1 EN_L 10 VIMR 11 VREFR 12 VIPR 13 EN_R 14 VSS 15 VDD U504 R551 C558 R552 C556 R559 L504 C555 C554 R558 MAINAMP_L LOUD_EN SPK_L_N SPK_R_P SPK_R_N MAINAMP_R SPK_L_P ...

Page 62: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 14 ...

Page 63: ...is Document can not be used without Samsung s authorization 7 15 7 8 Key Data Input When any key input is given is there something on LCD display Check the Dome sheet Key Pad END No Yes Yes Check Initial Operation When one of the keys is pushed KBIO signal is OK Replace the HDC710 No Yes ...

Page 64: ...uthorization Flow Chart of Troubleshooting 7 16 KEY_CONNECTOR 7 8 8 9 9 18 18 19 19 2 2 20 20 3 3 4 4 5 5 6 6 7 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 HDC710 1 1 2 3 4 56 78 9 U720 1 10 9 1 10 23 4 5 6 7 8 U721 KEY_COL 4 KEY_COL 3 KEY_COL 2 KEY_COL 1 KEY_ROW 0 KEY_ROW 1 KEY_ROW 2 KEY_COL 0 VDD_BL ...

Page 65: ...out Samsung s authorization 7 17 7 9 Receiver Part D813 D814 1 5V Resolder UCP200 or change PBA END No Yes Yes Receiver does not work SPK800 PAD 1 5V Resolder UCP200 or change PBA No Yes Is Receiver working Replace the Receiver No Yes Check the soldering of the Receiver contacts No Modify the receiver FPCB soldering Yes ...

Page 66: ...RFSIG2 M11 RFSIG1 M12 SDA M14 AUXMICP M17 AUXMICN L17 ANR L18 AUXADC5 L2 AUXADC4 L1 GPIOA5 L11 EAR1 K15 ANL K18 AUXADC3 K2 HFR1 J17 AUXADC2 K1 AUXADC1 J1 EAR2 J15 HFR2 H18 RESET H1 SIMCLK G17 SIMRST F17 GPIOA9 G1 DCL E11 D13 FSC SIMIO D15 DD B13 DU B14 UCP200 TP225 TP232 TP224 TP204 VDD_SD_EN MIC_SEL1 SLIDER_KEY_ON GSM850 MIC_SEL2 KEYLED_ON AUDIO_SEL BACKLIGHT END_OF_CHG PON_PA PON_3587_SYNTH MODE...

Page 67: ... Document can not be used without Samsung s authorization 7 19 7 10 Back Light for LCD Is LCD Contrast set on high Set LCD Contrast on high level END No Yes Yes Backlight does not work U820 pin 6 7 14 3 8V Resolder U820 No Yes U820 PIN 9 11 H Resolder U820 No Yes Yes Replace the LCD Module ...

Page 68: ...amsung s authorization Flow Chart of Troubleshooting 7 20 7 11 Key Back Light U716 pin 1 H Check the U716 related to KEYLED_ON signal END No Yes Yes Main Key LED does not work U716 pin 4 H No Replace U716 Yes typical 3 8V 6 5 SEL STBY 1 3 VIN 4 VOUT VBAT U716 GND 2 GND C754 C753 VDD_BL KEYLED_ON ...

Page 69: ...uthorization 7 21 7 12 Sub Key Back Light U823 pin 1 H Check the U823 related to SLIDER_KEY_ON signal END No Yes Yes Main Key LED does not work U823 pin 4 H No Replace U823 Yes Typical 3 8V KEY_LED LED801 R801 91 VR810 91 R807 R837 R806 91 C853 VIN 4 VOUT U823 2 GND GND 6 SEL 5 STBY 1 3 LED807 LED810 91 R802 LED805 VBAT SLIDER_KEY_ON ...

Page 70: ...7 22 7 13 Camera part Camera function does not work Yes No Reconnect the camera module Check the Camera connector status HDC802 Yes HDC802 pin 16 H No Resolder L802 Yes R305 27MHz No Check the related to 27MHz clock OSC300 Yes Is there another problem END Replace the camera module Yes HDC802 pin 6 H No Check the related circuit of VDD_CAM_CORE Yes ...

Page 71: ...RTS0 D9 C_D6 E1 M_SD12 E10 M_SD14 E11 M_SD10 E13 C_D3 D1 D10 M_HOLD MS_CS_N D11 M_SD15 D13 M_SA0 D14 C_D2 D2 C_PCLK D4 VDDS D5 VDDSD B6 SD_D0_SCLK B7 GPIO2_D12 B8 VSS B9 C_D0 C1 XOUT C13 XIN C14 C_MCLK C2 SOUT0 B11 B12 M_RESET_N VDDPLL B13 VSSPLL B14 C_SDA B2 VSS B3 STROBE B4 SD_D3_SD_1 B5 VDDC A4 SD_D4_SD_2 A5 VSSQ A6 SD_D1_SCMD A7 GPIO2_D13 A8 VDDI A9 C_SCK B1 M_SA2 B10 C_VS A1 M_CS_N A10 XCTS0 ...

Page 72: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 24 ...

Page 73: ... Replace the TV_OUT Cable Replace the TV_OUT Cable The problem still remains Yes U512 pin 2 3 8V No Resolder U512 or check the related circuit of VBAT Yes U503 pin 6 3 3V No Check the related circuit of VDD_TV Yes Check the soldering state of R520 Is it soldered correctly END It is HERA chip s problem Replace U315 Yes U512 pin 1 H No Check the related circuit of VDD_TV_EN Yes No Resolder or replac...

Page 74: ...J10 AVSSTV J11 M_SD7 G13 M_SD3 G14 M_SD2 G2 GPIO2_D14 G4 VDDC G5 VSS H1 USB_DP H10 M_SD0 H11 M_SD9 F13 M_SD6 F14 M_SD4 F2 C_PWDN F4 C_D7 F5 VDDI G1 GPIO2_D15 G10 M_SD5 G11 C_D1 E5 C_D4 E6 SD_D5_SD_3 E7 M_INTR E8 M_SD13 E9 M_SA1 F1 VSS F10 M_SD8 F11 VDDC D9 XRTS0 E1 C_D6 E10 M_SD12 E11 M_SD14 E13 M_SD10 E14 M_SD11 E2 C_D5 E4 MS_CS_N D13 M_SD15 D14 M_SA0 D2 C_D2 D4 C_PCLK D5 VDDS D6 SD_D2_SD_0 M_ADS...

Page 75: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 27 ...

Page 76: ...n8 65dBm No Resolder RFS100 C103 L141 Yes Check ANT Switch control circuit F101 pin6 7 68dBm Check F101 pin9 pin12 pin13 L No No Yes Yes Resolder F101 No Resolder C105 C106 L101 U102 pin 29 74dBm pin 30 74dBm Yes No Check U102 pin 23 26 31 2 7V U102 pin 7 8 9 10 1V No Check Resolder U102 R129 RF26MHz RF PSU Part Yes Yes Resolder U102 Check UCP200 END U100 pin3 10 72dBm Check U100 pin15 2 7V Resold...

Page 77: ... No No Check Resolder RFLO signal RF26MHz RF PSU Part Check VBAT or PAM control signal Resolder or Change PAM100 Check PAM100 pin 3 4 5 6 7 OK Yes U102 pin 6 7 8 9 1V Resolder U104 U105 F102 C141 C142 L117 Resolder L138 C152 Change or Resolder F101 Check ANT Switch control circuit PAM100 pin9 11dBm U104 pin5 15dBm PAM100 pin10 18dBm F101 pin11 18dBm Check U100 pin12 H 2 68V pin9 13 L TX ON 5Level ...

Page 78: ...n8 65dBm No Resolder RFS100 C103 L141 Yes Check ANT Switch control circuit F101 pin4 5 68dBm Check F101 pin9 pin12 pin13 L No No Resolder F101 Yes Yes No Check U100 pin14 2 7V No U100 pin3 10 72dBm Check UCP200 Yes Resolder F101 Yes No Resolder C105 C106 L101 U102 pin 29 74dBm pin 30 74dBm Yes No No Check U102 pin 23 26 31 2 7V U102 pin 7 8 9 10 1V Check Resolder U102 R129 RF26MHz RF PSU Part Yes ...

Page 79: ...in10 18dBm U104 pin5 15dBm PAM100 pin9 11dBm Check ANT Switch control circuit Change or Resolder F101 Resolder L138 C152 Yes Check PAM100 pin 3 4 5 6 7 OK Resolder or Change PAM100 Check VBAT or PAM control signal No No No No No No Yes Yes Yes Yes Yes Yes Yes No U102 pin 6 7 8 9 1V Check Resolder RFLO signal RF26MHz RF PSU Part No Yes Yes END Check UCP200 Resolder U102 No Check U102 pin23 26 31 2 ...

Page 80: ... center freq 67 7kHz Amp 50dBm Yes F101 Pin8 65dBm No Resolder RFS100 C103 L141 Yes Check ANT Switch control circuit F101 pin1 14 68dBm Check F101 pin9 12 13 L No No Yes Yes Resolder F101 No Resolder C121 C122 L106 U102 pin 35 70dBm pin 36 70dBm Yes No Check U102 pin 23 26 31 2 7V U102 pin 7 8 9 10 1V No Check Resolder U102 R129 RF26MHz RF PSU Part Yes Yes Resolder U102 Check UCP200 END ...

Page 81: ...Yes Yes Yes No No No No No No No No Check Resolder RFLO signal RF13MHz RF PSU Part Check VBAT or PAM control signal Resolder or Change PAM100 Check PAM100 pin 3 4 5 6 7 OK Yes U102 pin 6 7 8 9 1V Resolder C161 R130 C162 L139 L135 Resolder C138 Change or Resolder F101 Check ANT Switch control circuit PAM100 pin1 11dBm U102 pin2 15dBm PAM100 pin14 18dBm F101 pin10 18dBm Check F101 pin112 13 L pin9 H...

Page 82: ...ter freq 67 7kHz Amp 50dBm Yes F101 Pin8 65dBm No Resolder RFS100 C103 L141 Yes Check ANT Switch control circuit F101 pin2 3 68dBm Check F101 pin13 H pin9 pin12 L No No Yes Yes Resolder F101 No Resolder C112 C118 L137 U102 pin 32 70dBm pin 33 70dBm Yes No Check U102 pin 23 26 31 2 7V U102 pin 7 8 9 10 1V No Check Resolder U102 R129 RF26MHz RF PSU Part Yes Yes Resolder U102 Check UCP200 END ...

Page 83: ...Yes Yes Yes No No No No No No No No Check Resolder RFLO signal RF26MHz RF PSU Part Check VBAT or PAM control signal Resolder or Change PAM100 Check PAM100 pin 3 4 5 6 7 OK Yes U102 pin 6 7 8 9 1V Resolder C161 R130 C162 L139 L135 Resolder C138 Change or Resolder F101 Check ANT Switch control circuit PAM100 pin1 11dBm U102 pin2 15dBm PAM100 pin14 18dBm F101 pin10 18dBm Check F101 pin12 13 L pin9 H ...

Page 84: ...41 42 GND2 GND3 43 44 GND4 GNDL 15 GNDREF 22 GNDRF1 34 GNDRF3 1 3 GNDRF4 GNFRF2 37 13 CLK CLKFDBX 20 CLKOUT 18 CTRL 24 DATA 12 14 EN EXTRES 27 4 FESW1 FESW2 5 6 U102 C106 C124 C142 6 C110 2 GND 5 IN OUT1 1 3 OUT2 4 VCONT VDD VR100 U104 VR102 R136 C144 C158 C149 C156 C118 VR101 L106 2 GND 5 IN 1 OUT1 3 OUT2 4 VCONT VDD 6 U105 C163 C134 C123 C107 VCC_SYN C122 C109 F103 2 1 3 2 2 3 3 4 4 C159 ANT101 ...

Page 85: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 37 ...

Page 86: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 38 ...

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