GSM TELEPHONE SGH-E105 SERVICE GSM TELEPHONE Manual CONTENTS 1. Specification 2. Exploded Views and Parts List 3. Electrical Parts List 4. Flow Chart of Troubleshooting 5. Block Diagrams 6.
. SGH-E105 Exploded View and its Parts list 1.
5. SGH-E105 Block Diagrams 1.
SGH-E105 Block Diagrams 2. Base Band Solution Block Diagram POWER X-TAL (DC/DC, CHARGER) 13MHz IRDA TRIDENT ACC DSP16000 RWN AB(8:0) DB(15:0) PPI RS232 INT1 (Programmable IRQx Peripheral I/O) PAx RSTB GPIO TXIP CSP1093 IO ARM7TDMI TXIN IO TXQP RWN TX I/Q TXQN AB(8:0) RX I/Q RXIP DB(15:0) TXP RXIN - RFIC INT1 SERCK RXQP - PAM IRQx SERLE RXQN PAx SERDA SERCK RSTB OCTL SERLE SERDA SMART SIM I/O RXOVL CARD TXP OCTL X-TAL 32.
4. SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 1.Baseband 1. Power ON 'Power On' does not work Check the current consumtion more than 100mA NO Download again YES Check the Vbat(battery+ O) Voltage more than 3.3V NO Charge the Battery YES Check the pin 15 of U100 is more than 2.8V NO Check U100 and C113 YES U100 pin 46,39 = 2.8V NO Check C114 and C116 YES U100 pin 13 = 1.
SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 2. Initial Initial Failure Check the signal at the pin 28 of U100 is "High" when the phone is boot on NO Check U100 YES Check the pin 22 of U100 is "High" NO Check the U700 YES Check the pin 4 of OSC801 is around 2.
SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 3. Sim Part Phone can't access SIM card Check the pin 1 of CN100.
SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 4. Charging Part Abnormal charging part Check the pin 17,18 of CN302 VEXT is > 4V? NO Check U100 YES Check the pin 2 of U103 is "LOW"? NO Check the U700 YES Check the pin 3 of Q101 is "LOW"? NO Check the Q101 YES Check the pin 5 of U102 is "3.2~4.
4-5 KEY_ROW(0) KEY_COL(2) LCDVIB_EN 2 3 Q100 1 RESET_INT RST C128 1UF PWR_KEEP PWR_ON JIG_ON C107 33PF TA_VEXT C104 100NF EN_VRF EN_VPAC XOENA UP_SDI UP_SCLK UP_CS RTCALARM C125 100NF C106 33PF 3 D100 R110 330K 100NF C119 C102 47P F R102 390K VRTC R101 0 C10573 6 6 5 5 4 4 G G G G 10 9 8 7 CN100 4 5 SAMSUNG Proprietary-Contents may change without notice REF_BYP OUT U101 CHG_DET 30NF IN EN GND TP10 1 3 2 1 VBAT C109 SIMDATA SIMCLK SIMRST C103 33PF 47NF VIB_EN
SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 5. Microphone Part Microphone does not work Check the assembled status of microphone. NO Reassemblage microphone YES Check the reference voltage on mic path C418 =2.5V NO resolder or change C400,R428,R409,R405,R406) YES NO Check U700 Is microphone ok? YES END 6.
MSPK- MSPK+ VIB_EN D(7) D(5) D(4) D(3) D(2) VCCD D(6) SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams U402 SEL 6 5 AUDIO_OUT_SEL VCC D0 CP_WEN 28 /WR R409 4.7K C418 33UF 6.3V R428 680 2 SPVSS SPOUT1 SPOUT2 D7 MTR D4 3 C407 100PF YMU_LED YMU_IRQ RST R426 0 D5 4 56 7 VSS 8 C420 R403 150K R404 33K 13 12 C401 270PF C403 C404 10UF 22NF 11 C402 100NF R407 33K 10 VREF PLLC HPOUT-L/MONO 9 C408 100NF 3.
SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 7. Back Light Backlight does not work Check the soldered status of EL pad YES Backlight "ON" mode in the meue? NO Select backlight "ON" mode YES Check the PIN 3 of CN200 = 2.
SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 8.
SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 2.RF 1.
SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 2.
SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 3. GSM Transmitter NO F1002 pin 13 about 2~3dBm? NO F1002 pin 11 : 2.8V CONTINUS TX ON U700,U701 check & change CONDITION MS TX level 19 YES CH : 62 YES CN402, C1012 check & change NO U1001 pin 9 pin 3~4dBm? RBW : 100KHz VBW : 100KHz YES SPAN : 10MHz REF LEV. : 10dBm F1002 check & change U1001 pin 4 : 3.7 V? NO ATT. : 20dB BATTERY, U100 check & change YES U1001 pin 2 : 1.
SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 4. PCS Transmitter NO F1002 pin 13 about 2~3 dBm? NO F1002 pin 9 : 2.8 V? U700,U702 check & change CONTINUS TX ON CONDITION MS TX level 12 YES YES CN402 check & change NO CH : 698 RBW : 100KHz U1001 pin 11 pin 3~4dBm? VBW : 100KHz SPAN : 10MHz YES REF LEV. : 10dBm F1002 check & change U1001 pin 4 : 3.7 V? NO ATT.
RXIN RXIP RXQN RXQP SERDAT SERCLK SERLE SDO SYN_EN CLK13M_RF C910 22NF VRF 3 RXQN 4 RXIP 5 RXIN 2 RXQP GND 23 24 GND GND 6 9 SDI GND XIN 7 8 C911 100PF 14 C914 10PF VOSC C916 100PF NC SDI SCLK SENB SDO PDNB NC GND U902 TXIN L900 3.
TXPOWER TX_BAND_SEL C102 6 270P F C103 8 10N F 100 K R103 8 3.3U F 6.3V C1044 NC R1037 6.3V 100UF C1043 6.3V 3.3UF C1045 VPAC C102 7 1N F 2 3 4 5 6 C101 6 33P F 10 8 12 U1001 33nH L1007 13 RF3110 1 DCSIN 7 TXEN GSMIN 11 VBATT PCSOUT 9 VREG GSMOUT VRAMP GND BAND TX_EN VCC VBAT VCC2 VCC2 270 R1012 220 R1011 820 820 R101 0 15 R1015 R1016 R101 4 10 GSM_PAM_IN L1014 1nH DPCS_PAM_IN GSM_TX_EN DCS_TX_EN PCS_RX_EN 7 G L101 3 15nH L1012 NC L101 1 6.
6. SGH-E105 PCB Diagrams 1.
R403 C401 R404 R407 C403 ZD211 R227 Q100 R229 F203 ZD203 MENU R230 R226 4 1 7 F202 LED202 R204 LEFT T5 T2 T6 T3 TP601 R222 LED209 R211 TP710TP711 R228TP713TP712 ZD210 TP714 LED206 ZD208R208 R225 ZD206 T1 T4 T7 R231 LED215 R217 ZD202 U1002 ZD209 ZD401 R1048 SEND F201 F204 U402 C213 C212 C454C461 C455C460 C409 C416 R414 R410 U703 R715 C722 U701 U702 0 8 5 2 CLEAR DOWN I UP R402 C418 R409C451 ZD201 R210 MAIN_MIC ZD205 LED208 LED205 R207ZD204 Q700 Q701
