Samsung SGH-E105 Service Manual Download | Manualshive

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SGH-E105

SERVICE

Manual

GSM TELEPHONE

CONTENTS

1.

Specification

2.

Exploded Views and Parts List

3.

Electrical Parts List

4.

Flow Chart of Troubleshooting

5.

Block Diagrams

6.

PCB Diagrams

GSM TELEPHONE

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Summary of Contents for SGH-E105

Page 1: ...SGH E105 SERVICE Manual GSM TELEPHONE CONTENTS 1 Specification 2 Exploded Views and Parts List 3 Electrical Parts List 4 Flow Chart of Troubleshooting 5 Block Diagrams 6 PCB Diagrams GSM TELEPHONE ...

Page 2: ...nts may change without notice 2 SGH E105 Exploded View and its Parts list 2 1 This Document can not be used without Samsung s authorization 1 Cellular phone Exploded View 7 8 9 6 1 3 4 5 10 11 12 13 17 22 18 19 20 21 2 14 16 15 ...

Page 3: ...RF Solution Block Diagram FEM RF FILTER 100KHz PGA PGA CHANNEL FILTER DAC DAC SI4201 1 2 PGA PGA ADC ADC N L A DET SI4200 SERIAL DATA INTERFACE DSP16000 ARM7TDMI CSP1093 UI GSM 890MHz 915MHz PCS 1850MHz 1910MHz GSM 925MHz 960MHz PCS 1930MHz 1990MHz Antenna TX VCO PAM I Q AFC CLK TCVCXO 13MHz I Q TRIDENT RF PLL IF PLL SI4133T BASE BAND AUDIO TXPOWER ...

Page 4: ...0 DB 15 0 INT1 IRQx PAx RSTB DSPJTAG LCD KEYBOARD SMART CARD POWER DC DC CHARGER MCP 128M FLASH 16M SRAM Memory Part X TAL 32 768 KHz IRDA ARM JTAG ICE SIM I O GPIO RS232 TRIDENT IO RWN AB 8 0 DB 15 0 INT1 IRQx PAx RSTB JTAG RF DRIVER TX I Q RX I Q TXP SERCK SERLE SERDA OCTL DAICK DAIRN DAIDO DAIDI AUDIO PART CSP1093 TXIP TXIN TXQP TXQN RXIP RXIN RXQP RXQN SERCK SERLE SERDA RXOVL TXP OCTL RF SOLUT...

Page 5: ... Check the Vbat battery O Voltage more than 3 3V Download again NO Charge the Battery NO Check U100 and C113 NO YES YES YES YES Power On does not work Check the pin 15 of U100 is more than 2 8V U100 pin 46 39 2 8V U100 pin 13 1 8V Check the clock signal at pin4 of U800 Freq 13MHz Vrms 300mV Vpp is around 900mVpp Check the clock generation circuit related to OSC801 and U800 NO Power On does not wor...

Page 6: ...authorization 2 Initial Check the signal at the pin 28 of U100 is High when the phone is boot on Check the pin 22 of U100 is High Check U100 NO Check the U700 NO Check the soldered status of OSC801 R803 U100 NO YES YES YES Initial Failure Check the pin 4 of OSC801 is around 2 8V Check and resolder LCD connector CN200 if there is solder bridhe between the pins END YES ...

Page 7: ...k the SIM connector s CN100 connector s to SIM card Check the circuit related to U100 NO resolder or change CN100 NO Check the related circuit of CN100 NO YES YES YES Phone can t access SIM card Check the circuit around U601 output and voltage supply circuitry END YES Check the pin 1 of CN100 Voltage 3V Check the circuit around CN100 input circuitry Check the related circuit of U601 and U100 NO ...

Page 8: ...orization 4 Charging Part Check U100 NO Check the U700 NO Check the Q101 NO YES YES YES Abnormal charging part END YES Check the pin 17 18 of CN302 VEXT is 4V Check the pin 2 of U103 is LOW Check the pin 3 of Q101 is LOW Check the pin 5 of U102 is 3 2 4 2 Check if ICHRG is 1V during charging and around 180mV full charging YES Check the U102 NO Resolder or change R111 NO ...

Page 9: ...35 VREF 12 VRTC VSI M 60 18 _CS 51 _RESET_I 27 28 _RESET_O 38 VL5S_A VL5S_B 37 VLDO_6 49 VLDO_1 13 VLDO_2 15 46 VLDO_3 VLDO_4 44 VLDO_5 39 48 VDD6 VDD7 53 VDDCP 58 5 VDDQ 4 VEXT VIB_DRV 8 VL4S_A 43 42 VL4S_B 64 UC_IO 66 UC_RST VACC 7 6 VBAT 14 VDD12 VDD3 47 45 VDD4 40 VDD5 RING_DRV 9 19 RING_PWM 17 SCLK 16 SDI SIM_CLK 62 63 SIM_IO 61 SIM_RST UC_CLK 65 56 10 GNDD1 GNDQ 41 LED_DRV 11 PSW1BUF 30 31 P...

Page 10: ... 5V Reassemblage microphone NO resolder or change C400 R428 R409 R405 R406 NO Check U700 NO YES YES Microphone does not work END YES Check the assembled status of microphone Is microphone ok Resolder and check the board to board connector NO Check U601 NO Change or resolder U700 R201 R202 NO YES YES YES Speaker does not work END Check the connection status spk to CN200 Check the PIN 1 of U402 High...

Page 11: ...1 R402 C452 56K 10PF R406 4 7K R409 C404 10UF VBAT 100PF C461 C409 33UF C455 NC 330K R424 C400 330NF ZD401 10K R405 3 3K R413 R404 33K C407 100PF R499 0 C459 180PF VCCD C408 100NF 10UF C410 VCCD 22NF C403 VCCD ZD404 100NF C460 200K R423 150K C453 10UF 10V R403 6 3V 33UF C418 100NF C419 NC C491 RST WR 28 100K R425 16 SPVSS VDD 7 VREF 9 8 VSS 29 CS IRQ 3 31 RD 4 32 IOVDD 2 LE D MT R 19 NC 56 PLLC SP...

Page 12: ...ed without Samsung s authorization 7 Back Light END Select backlight ON mode NO Check the U601 NO YES YES YES Backlight does not work YES Backlight ON mode in the meue Check the PIN 3 of CN200 2 8V Check the connection from CN200 to LCD Module YES Replace FPCB CONNECTOR NO Change LCD Module NO Check the soldered status of EL pad LCD backlight on ...

Page 13: ...Document can not be used without Samsung s authorization 8 Alert Tone Check the connection from CN200 to LCD Module Check the circuit related to U401 NO Change Speaker NO Change LCD Module NO YES YES Abnormal Alert tone END YES Check the PIN 17 18 of CN200 Is there alert wave Alert is ok Alert tone On by pushing the key 0289 ...

Page 14: ...r change NO F1002 resolder or change NO C1007 L1001 C1011 resolder or change NO YES YES YES U901 pin 12 13 20dBm U902 CHECK pin5 25 28 3V U902 CHECK pin 7 13MHz OSC801 CHECK pin 3 13MHz V p p 950mV OSC801 CHECK pin 4 clean 3V U901 CHECK pin14 23 26 32 3V U901 Pin3 4 Vp p 240mV U900 CHECK pin 6 20 2 8V U901 Pin1 2 Vp p 250mV U900 Pin2 3 4 5 Vp p 100mV U100 PIN39 C116 check or resolder U902 change o...

Page 15: ...ge NO F1002 resolder or change NO F1005 resolder or change NO L1006 C1015 C1019 resolder or change NO YES YES YES YES U901 pin 12 13 20dBm U902 CHECK pin5 25 28 3V U902 CHECK pin 7 13MHz OSC801 CHECK pin 3 13MHz V p p 950mV OSC801 CHECK pin 4 clean 3V U901 CHECK pin14 23 26 32 3V U901 Pin3 4 Vp p 240mV U900 CHECK pin 6 20 2 8V U901 Pin1 2 Vp p 250mV U900 Pin2 3 4 5 Vp p 100mV U100 PIN39 C116 check...

Page 16: ... change resolder U700 check change U901 pin14 23 26 32 2 8V U901 pin9 10 12 13 20dBm U902 pin 7 13MHz Vp p 950mV U902 pin9 10 11 13 3V U901 change or resolder U901 pin5 6 7 8 1 7V U1001 check change U700 change U100 pin46 C114 change or resolder U700 check change U100 pin39 c116 change or resolder OSC801 pin 3 13MHz Vp p 950mV OSC801 pin 4 3V U902 change or resolder U901 pin5 25 28 3V U100 pin39 c...

Page 17: ...nge resolder U700 check change U901 pin14 23 26 32 2 8V U901 pin9 10 12 13 20dBm U902 pin 7 13MHz Vp p 950mV U902 pin9 10 11 13 3V U901 change or resolder U901 pin5 6 7 8 1 7V U1001 check change U700 change U100 pin46 C114 change or resolder U700 check change U100 pin39 c116 change or resolder OSC801 pin 3 13MHz Vp p 950mV OSC801 pin 4 3V U902 change or resolder U901 pin5 25 28 3V U100 pin39 c116 ...

Page 18: ...H L900 100PF C911 VRF 47PF C922 VRF 33PF C923 10PF C914 22NF C908 22NF C903 VDDA 20 6 VDDC 7 XIN 19 XOUT VOSC 5 RXIN 4 RXIP 3 RXQN RXQP 2 17 SCLK SDI 18 15 SDO SENB 16 GND 13 GND 21 GND GND 22 GND 23 GND 24 ION 12 11 IOP PDNB 14 U900 10 CKN CKP 9 1 GND 8 100PF C916 5 VDDD VDDI 28 25 VDDR XIN 7 C905 22NF 17 RFLD 16 23 RFLON RFLOP 24 SCLK 12 13 SDI SDO 10 11 SENB 2 IFLON 26 27 IFLOP NC 8 NC 14 9 PDN...

Page 19: ... 5 VREG 0 75PF 1 DCSI N GND 13 GSMI N 7 GSMOUT 9 PCSOUT 11 TXEN 3 VBATT 4 VCC U1001 RF3110 BAND 2 R103 8 100 K 1nH L1014 R101 4 10 0 5PF C1003 1N F C102 7 6 8nH L1006 C101 5 1 2PF L101 5 CN40 2 2 GND GND 4 IN 3 OUT 1 C101 6 33P F TP71 5 33nH L1007 C1002 L101 6 6 8PF L101 1 6 3V 3 3U F C1044 R1037 NC 10N F C103 8 C101 1 0 75PF 270P F C102 6 G3 IN 2 OUT1 4 6 OUT2 0 75P F C1007 F100 5 1 G1 G2 35 R101...

Page 20: ...C711 C712 C713C714 C715 C716 C717 C718 C719 C723 C800 C802 C803 C805C806 C807 C808 C809 C903 C905 C906 C908 C910 C911 C914 C915 C916 C917 C921 C922 C923 C924 CN100 CN200 CN302 CN401 CN402 D100 D300 F1002 F1005 G1 G2 G3 G4 L1001 L1002 L1006 L1007 L1011 L1012 L1013 L1014 L1015 L801 L900 LED200 M1 OSC601 OSC801 Q101 Q400 R100 R101 R1010 R1011 R1012 R1014 R1015 R1016 R102 R103 R1037 R1038 R1039 R1042 ...

Page 21: ...22 CLEAR CN403 DOWN F200 F201 F202 F203 F204 I LED201 LED202 LED205 LED206 LED208 LED209 LED214 LED215 LED216 LED217 LEFT MAIN_MIC MENU PWR Q100 Q700 Q701 Q702 R1040 R1041 R1048 R203 R204 R207 R208 R210 R211 R216 R217 R222 R223 R224 R225 R226 R227 R228 R229 R230 R231 R402 R403 R404 R407 R409 R410 R414 R428 R615 R700 R701 R711 R713 R714 R715 RIGHT SEND SHARP STO T1 T2 T3 T4 T5 T6 T7 TP601 TP710TP71...

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