Samsung SM-B105E Service Manual Download Page 9

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8. Level 3 Repair

8-1

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

8-1. Block Diagram

BB BAND

U102

SC6500FS

F100

SAWFD942

MCM0F0A

EGSM_RX_N

EGSM_RX_P

DCS_RX_P

DCS_TX

EGSM_TX

BAND_SEL

PON_PA

RAMP

RFS100

KMS-560-002-BEF

ANT100

SCHB299-MT-3T

FM_SCL_1P8

FM_RST

32KHz_DIGIT

FM_R

FM_L

FM_INT

3.5 pi EAR JACK

U301

NCX2200GM

FM_ANT

GND_DETECT

EAR_DETECT

VDDIO_2V8

EAR AMP

NCP2817BFC

CT2G

EAR_L

EAR_R

AMP_EN

EAR_SPK_L

EAR_SPK_R

EARMIC

PATH

3PI5_MIC_P

EAR_ADC_3.5

EAR_MIC_N

MIC PATH

MIC_N

MICBIAS_2V8

SPK_P_BB
SPK_N_BB

RCV_P_BB

U102

RT9532GQW

CHG_STATE

CHG_DET

VBAT_SENSE

VBUS_5V

CHG_EN

U200

DG2730DN-

T1-GE4

IFC200

GU07D-7P-SB-E1500

U201

SIP32408DNP

-T1-GE4

UART1_RD

UART1_TD

USB_EN

JIG_ON

VBAT

VDDIO_2V8

SIM201

5000-6P-1.5T

BTC100

KQ03SB2-3R

OSC101

SQ3D02600B2LBA

REF_INP

REF_INN

MOT100

GTE1200S-MOT

U202

AP7340D-33FS4-7

LCD200

GTE1200S-LCD32P

VIB_CTRL

VBAT

TORCH_EN

VBAT

LCMRSTN

WHTLED_IB0

VDDIO_2V8

LCM_WEN

LCM_CD

LCM_RDN

KEY MAP

KEYIN(0:4)

KEYOUT(0:4)

POWER KEY

KEY LED

ONKEY

KEY_LED_CTRL

VBAT

VSIM0

SIM0_IO

SIM0_RST
SIM0_CLK

SIM200

5000-6P-1.5T

VSIM1

SIM1_IO

SIM1_RST

SIM1_CLK

DCS_RX_N

VBAT

VCHG_P_5P0

VBAT

2G RF

FM&AUDIO

MOTOR

TORCH

CHARGER&USB

&USB/UART

SWITCH

SIM

BTC

26M

LCD

KEY

VDDIO_2V8

VBAT

EAR_MIC_P

MIC_P

RCV_N_BB

VBAT

VDDIO_2V8

LCM_D(00:07)

USB_DM

USB_DP

U101

RF7198

EGSM_RX

DCS_RX

U103

RTC6211S

FM_SDA_1P8

SPK/RCV S/W

ET5223

SPK_P

SPK_N

RCV_EN

VBAT

WHTLED_IB1

LCM_CS_N

Summary of Contents for SM-B105E

Page 1: ......

Page 2: ...tionality features specifications and other product information provided in this document including but not limited to benefits design pricing components performance availability and capabiliti es of...

Page 3: ...is 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 Samsung Electronics Co Ltd 2015 03 Rev 1...

Page 4: ...en authorization is strictly prohibited Caution 1 Be care of scratch and molding damage Caution 1 Be care of scratch and molding damage Caution 1 Be care of torch window damage 2 Be care of scratch an...

Page 5: ...e subject to change without prior notice 7 2 Caution 1 Be care of scratch and molding damage 2 Be care of damage to the receiver Caution 1 Be care of scratch and molding damage 2 Be care of damage to...

Page 6: ...oprietary the contents in this service guide subject to change without prior notice 7 3 Caution 1 Be care of damage to the part Caution 1 Be care of damage to the part Caution 1 Be care of damage to P...

Page 7: ...tary the contents in this service guide subject to change without prior notice 7 4 Caution 1 Be care of damage to each part Caution 1 Be care of scratch and molding damage Caution 1 Be care of scratch...

Page 8: ...tary the contents in this service guide subject to change without prior notice Distribution transmission or infringement of any content or data from this document without Samsung s written authorizati...

Page 9: ..._2V8 SPK_P_BB SPK_N_BB RCV_P_BB U102 RT9532GQW CHG_STATE CHG_DET VBAT_SENSE VBUS_5V CHG_EN U200 DG2730DN T1 GE4 IFC200 GU07D 7P SB E1500 U201 SIP32408DNP T1 GE4 UART1_RD DM UART1_TD USB_EN JIG_ON VBAT...

Page 10: ...ential and proprietary the contents in this service guide subject to change without prior notice 8 2 8 2 PCB Diagrams 8 2 1 Top C214 C215 C226 DOWN END KEY_200 KEY_201 KEY_202 KEY_203 KEY_204 KEY_205...

Page 11: ...1 C312 C313 C314 C315 C316 C317 C318 C319 C320 C321 C322 C323 C324 CN103 CON100 EAR300 F100 IFC200 L100 L102 L103 L104 L105 L106 L107 L108 L109 L110 L111 L114 L115 L116 L117 L119 L120 L200 L201 L202 L...

Page 12: ...s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 8 4 8 3 Flow Chart of Troubleshooting presetting...

Page 13: ...without prior notice 8 5 8 3 1 Power On Check Battery vol more than 3 4V TP C101 C102 C104 ZD101 Change the Battery Because of batt power low END Yes Check the Clock at OSC101 1 3pin CLK26M 26MHZ TP O...

Page 14: ...trictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 8 6 VDDCORE_1V1 L100 VDDCORE_1V C111 CLOSE TO THE DCDC OUTPUT D2 D3 R4 R5 CLOS...

Page 15: ...201 R200 R206 C204 1 IN GND 2 EN 3 4 OUT 5 GND U201 R207 R204 ZD200 VCHG_P_5P0 ZD201 C202 VBAT ZD202 ZD203 C200 R208 USB_D_P USB_D_N JIG_ON USB_ID_JTA UART1_TD CHARGER VBAT C156 VBUS_5P0 VDDIO_2V8 R13...

Page 16: ...R R R R R 1 R13 3 3 3 3 3 3 3 3 7 R138 R R R R R R R R 1 R13 3 3 3 3 3 3 3 3 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 R210 R R R R R R R R 2 R2 2 2 2 2 R2 R21 1 0 10 0 0 0 0 0 0 0 0 R218 R R R R R R R R2 2 2...

Page 17: ...place UCP100 or PBA insert SIM card access it then must be sim pin1 or C210 C220 H Check the SIM Card look over if it get damaged END No Yes Yes Yes No Resolder or Replace SIM200 SIM201 connector Beca...

Page 18: ...2 20 0 0 0 0 0 0 0 0 C302 C C C C C C C C3 3 3 3 3 3 3 3 C30 0 0 0 0 0 0 02 2 2 2 2 2 2 2 C303 C C C C C C C C3 3 3 30 3 3 3 3 C30 0 0 0 0 0 0 03 3 3 3 3 3 3 3 3 R135 R R R R R R R1 1 13 3 3 3 3 3 3...

Page 19: ...C1 1 15 5 5 5 5 5 5 57 7 C166 C C C C 6 C C C1 1 16 6 6 66 6 6 6 6 66 6 6 6 6 6 6 6 6 MOT100 M M M M O O O O O O T T T 10 0 0 0 0 0 0 0 0 00 0 0 0 0 0 ZD203 Z Z D D D D D D 2 2 2 2 2 D2 D20 0 0 0 0 0...

Page 20: ...thout prior notice 8 12 8 3 5 Microphone Part C148 H 2 8V at Mic Active Check the MIC Connection look over schematics about schemetics Resolder or Replace UCP100 Because of not soldering well Resolder...

Page 21: ...L3 3 3 3 3 3 3 3 30 0 0 0 08 0 0 0 0 08 8 8 8 8 8 8 8 8 8 8 8 8 8 8 L309 L L 3 3 3 3 3 3 3 3 3 0 0 0 0 0 0 0 0 0 9 9 9 9 9 9 9 9 9 9 9 R127 R R R R R R R1 1 12 2 2 2 2 2 2 27 7 R213 R R R R R R R R2...

Page 22: ...t C302 C303 3 0 V Wiring the SPK N P and checking an waveform using oscilloscope Speaker does not work No Yes Resolder U102 be possible because of soldering not well Does not work Ringtone Menu settin...

Page 23: ...C C C C C C 2 2 2 2 2 C2 C21 1 1 9 9 9 9 9 9 9 9 C220 C C C C C C C C2 2 2 2 2 2 C2 C22 2 2 2 2 2 2 20 0 0 0 0 0 0 0 0 C302 C C C C C C C C3 3 3 3 3 3 3 3 C30 0 0 0 0 0 0 0 02 2 2 2 2 2 2 2 C303 C C...

Page 24: ...prior notice 8 16 8 3 7 Ear Microphone Part C123 2 8V at Ear Mic Active Check the Ear MIC Connection look over schematics about schemetics Replace UCP100 using a Heatgun Because of not soldering well...

Page 25: ...R3 3 3 3 3 3 3 3 R31 1 11 1 1 R312 R R R R R R R R3 3 3 3 3 3 3 3 R31 1 12 2 2 2 2 2 2 2 R318 R R R R R R 8 R R3 3 3 3 3 3 3 3 R31 1 18 8 8 8 8 8 8 8 8 8 8 8 8 8 8 R319 R R R R R R 3 3 3 3 3 3 3 R31...

Page 26: ...ck Initial 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...

Page 27: ..._200 1 2 DOWN 1 2 2 SOFT200 1 2 STAR 1 KEY_207 1 2 L202 1 2 SOFT201 1 2 C226 KEY_203 L205 L204 L203 RIGHT 1 2 KEY_208 1 2 L201 C221 KEY_201 1 2 1 2 KEY_204 1 2 1 2 3 4 5 6 SEND 1 2 ZD204 VOLT 1 2 KEY_...

Page 28: ...VPP 32 29 RD 5 RESET 19 LCD5 LCD6 18 17 LCD7 LED_A 12 13 LED_K1 LED_K2 14 1 NC 9 NC 15 GND 25 GND GND 30 LCD0 24 23 LCD1 LCD2 22 21 LCD3 LCD4 20 2 8V 6 7 2 8V CS 28 FLM 4 GND 2 3 GND GND 10 LCD200 1 8...

Page 29: ...3 3 3 C306 0 0 0 0 0 0 0 0 6 6 6 6 6 6 6 6 C315 C C C C C C C C3 3 3 3 3 3 3 3 C31 1 15 5 5 5 5 5 5 5 C316 C C C C C C C C3 3 3 3 3 3 3 3 C31 16 16 6 6 6 6 6 6 6 6 C318 C C C C C C 8 3 3 3 3 3 3 3 C3...

Page 30: ...idential and proprietary the contents in this service guide subject to change without prior notice 8 22 KEY LED LED203 R213 270 LED20 VBAT LED201 LED202 KEY_LED_CTRL C226 DOWN END KEY_200 KEY_201 KEY_...

Page 31: ...guide subject to change without prior notice 8 23 presetting 8960 Rx setting 1 Active Cell select GSM or GPRS 2 Connetion Type select Auto GSM BLER GPRS 3 BCH Parameter select measuring band DCS or E...

Page 32: ...rvice guide subject to change without prior notice 8 24 8 3 11 GSM900 Receiver PAM100 Pin19 65dBm Resolder L120 No Yes No Check PAM100 pin16 L PAM100 Pin16 68dBm Check ANT Switch control circuit No Ye...

Page 33: ...L120 No Yes No Check PAM100 pin15 L 3 H PAM100 Pin15 68dBm Check ANT Switch control circuit No Yes Resolder PAM100 Yes No Resolder F100 F100 pin6 7 70dBm UCP100 pin K1 70dBm pin L1 70dBm Resolder L107...

Page 34: ...0 0 0 0 0 9 0 0 9 9 9 9 9 9 9 9 9 L110 L L 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 L114 L L1 1 11 1 14 4 4 4 L115 L L1 1 5 11 1 15 5 5 5 5 5 5 5 L116 L L1 1 1 6 1 1 16 6 6 6 6 6 6 6 6 L117 L L1 1 11 1 17 7 7 L...

Page 35: ...thout prior notice 8 27 8 3 13 GSM900 Transmitter Yes Change or Resolder PAM100 Yes PAM100 Pin19 30dBm TX ON 5Level Check PAM100 pin 29 H Pin 31 H PAM100 pin4 4 dBm Check ANT Switch control circuit Ye...

Page 36: ...C103 And PMU Part and UCP100 PAM100 Pin19 30dBm Check VBAT or PAM control signal Check UCP100 Change or Resolder PAM100 Check ANT Switch control circuit Yes No No Yes Resolder or Change C175 Check PA...

Page 37: ...6 6 L107 L L 1 1 1 0 0 0 0 0 0 0 0 0 7 L108 L1 10 10 0 0 0 0 0 0 0 08 8 8 8 8 8 8 8 8 8 8 8 8 L109 L L 1 1 0 10 0 0 0 0 0 0 9 0 0 9 9 9 9 9 9 9 9 9 L110 L L 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 L114 L L1 1...

Page 38: ...content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice...

Page 39: ...1 0406 001675 DIODE TVS LED201 LED202 LED203 LED204 0601 002846 LED LED200 0601 002890 LED U200 1001 001755 IC U300 1001 001806 IC U324 1201 003667 IC U101 1201 003809 IC U301 1202 001128 IC U102 1203...

Page 40: ...213 2203 002487 C CERAMIC L111 2203 005056 C CERAMIC L119 2203 005281 C CERAMIC C169 C175 C177 2203 005682 C CERAMIC C221 2203 005683 C CERAMIC C131 2203 005729 C CERAMIC C119 2203 005731 C CERAMIC C1...

Page 41: ...09 2703 002204 INDUCTOR SMD C130 L114 L115 2703 002207 INDUCTOR SMD L108 2703 002365 INDUCTOR SMD L102 2703 002958 INDUCTOR SMD L100 2703 003686 INDUCTOR SMD L106 2703 004157 INDUCTOR SMD L103 L104 27...

Page 42: ...6002 001428 QMW01 ASSY COVER MAIN WINDOW GH98 36536A QMI01 MICROPHONE ASSY SM B110E GH30 00789A QME01 DOME SHEET MAIN SM B110E GH59 14349A QLC01 ASSY LCD MODULE ASSY GT E1200 GH96 05613A QBA01 INNER...

Page 43: ...hibited 2 1 GSM General Specification EGSM 900 DCS1800 Freq Band MHz Uplink Downlink 880 915 925 960 1710 1785 1805 1880 ARFCN range 0 124 975 1023 512 885 Tx Rx spacing 45MHz 95MHz Mod Bit rate Bit P...

Page 44: ...prior notice 2 2 TX Power control level GSM900 5 33 2 dBm 6 31 2 dBm 7 29 2 dBm 8 27 2 dBm 9 25 2 dBm 10 23 2 dBm 11 21 2 dBm 12 19 2 dBm 13 17 2 dBm 14 15 3 dBm 15 13 3 dBm 16 11 3 dBm 17 9 3 dBm 18...

Page 45: ...e Distribution transmission or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Main Function Single SIM Function 2G GSM 900 1800 U...

Page 46: ...anced Audio Coding AVC Advanced Video Coding BER Bit Error Rate BPSK Binary Phase Shift Keying CA Conditional Access CDM Code Division Multiplexing C I Carrier to Interference DMB Digital Multimedia B...

Page 47: ...quality screwdrivers when servicing products Low quality screwdrivers can easily damage the heads of screws Use only conductor wire of the properly gauge and insulation for low resistance because of...

Page 48: ...tatic bags when you store or transport them Always use an anti static strap or wristband and remove electrostatic buildup or dissipate static electricity from your body before repairing ESDs Ensure th...

Page 49: ...e Data Cable Anything MicroUSB 1 USB Cable Because of supporting USB 2 0 cable he device manager of your PC may not recognize the cable that does not support USB 2 0 2 Battery AB463446BU Diagram of co...

Page 50: ...and proprietary the contents in this service guide subject to change without prior notice 6 2 2 SET FILE Click before fileID item as below and click button then you can select file Browse the followi...

Page 51: ...evice will downloader recognize the device automatically When finish download successfully Downloader tool show Passed 4 Complete download The download process is automatically executed If Slot freed...

Page 52: ...written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 6 4 6 2IMEI writing 6 2 1 Preparation H W S W DASEU...

Page 53: ...sung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 6 5 6 2 2 IMEI writingProcess 1 Run Daseul_la...

Page 54: ...tly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 6 6 3 Set the PGM as the following image Click model iformation to chose the binar...

Page 55: ...is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 6 7 4 check the port and click ok if port number is not right please click...

Page 56: ...gement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change withou...

Page 57: ...der to calibrate RF Installation program RF Calibration Program Daseul_Launcher_vx x xx exe Daseul_CAL_ALL_Runtime_x x xxx x CAB Model File SM B110EY_CALIBRATION_Ver_XXXXXX CAB It is required to use t...

Page 58: ...on is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 6 10 6 1 2 RF Calibration Program 1 Run the RF Calibration Program Laun...

Page 59: ...sung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 6 11 3 Check the CAL and open the model file...

Page 60: ...ment without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 6 12 4 Click model Informatio...

Page 61: ...Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 6 13 5 Set the GPIB address of MSTS 8960...

Page 62: ...ut Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 6 14 6 Press OK to start RF Calibration...

Page 63: ...s document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 6 15 7 Connect the RF c...

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