GSM TELEPHONE SGH-E770 GSM TELEPHONE CONTENTS 1. Specification 2. Flow Chart of Troubleshooting 3. Exploded View and Parts List 4. MAIN Electrical Parts List 5. PCB Diagrams 6.
1. SGH-E770 Specification 1-1. GSM General Specification GSM 900 DCS1800 PCS1900 F r e q . Ba n d [ M Hz ] Uplink/ Downlink 88 0~9 15 92 5~9 60 1710~1785 1805~1880 1850~1910 1930~1990 AR FC N range 0~12 4 & 9 75 ~10 23 512~885 512~810 T x /Rx s pacing 45M Hz 95M Hz 80M Hz G P RS 270.833Kbp s 3.692us 270.833Kbp s 3.692us 270.833Kbp s 3.692us EDGE 812.5Kbp s 3.692us 812.5Kbp s 3.692us 812.5Kbp s 3.692us 576.9us 4.615ms 576.9us 4.615ms 576.9us 4.615ms G P RS 0.3GM S K 0.3GM S K 0.
SGH-E770 Specification 1-2.
SGH-E770 Specification 1-3.
2. SGH-E770 Flow Chart of Troubleshooting 2-1.Baseband 2-1-1. Power ON 'Power ON' Does not work Check the current consumption Current consumption NO Down load again ≥100mA ? YES Check the V bat. voltage NO Voltage ≥ 3.3V ? Charge the Battery YES Check the pins of UCP301 NO C311 ≥ 1.8V ? Check UCP301 and C311 YES C314 and C315 = 2.8V? NO YES NO C316=1.
SGH-E770 Flow Chart of Troubleshooting DSP_DB(0:15) DSP_AB(0:8) DSP_IO DSP_RWN FLASH_RESET TX_EN EAR_CHECK DSP_DB(15) DSP_DB(14) DSP_DB(13) DSP_DB(12) DSP_DB(11) DSP_DB(10) DSP_DB(9) DSP_DB(8) DSP_DB(7) DSP_DB(6) DSP_DB(5) DSP_DB(4) DSP_DB(3) DSP_DB(2) DSP_DB(1) DSP_DB(0) DSP_AB(8) DSP_AB(7) DSP_AB(6) DSP_AB(5) DSP_AB(4) DSP_AB(3) DSP_AB(2) DSP_AB(1) DSP_AB(0) E6 C5 F5 E5 A4 G6 B3 A3 D2 D3 E3 E2 F3 F2 F1 F4 G4 G3 H5 J6 J5 K3 K2 K1 K5 K7 M1 M2 N2 N1 L5 P1 K6 L3 L2 R3 OCTL0 OCTL1 OCTL2 OCTL3 OCTL4 OCT
SGH-E770 Flow Chart of Troubleshooting 2-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-E770 Flow Chart of Troubleshooting 2-1-2. Initial Initial Failure NO The voltage at the C311=1.8V? The voltage at the C315=2.8V? Check the UCP301 (If it has some problem, it has to be replaced.) YES NO The voltage at the VR200 " Low --> High" ? Check the UCP301 (If it has some problem, it has to be replaced.) YES NO There is 32.768KHz wave form at the C214, C215 ? Check the UCP201 YES The voltage is 2.
SGH-E770 Flow Chart of Troubleshooting HP_CORE_1.6V HP_CORE_1.6V VCCD_1.8V C204 C205 C206 C207 C208 L201 C201 C202 VRTC_1.
SGH-E770 Flow Chart of Troubleshooting 2-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-E770 Flow Chart of Troubleshooting 2-1-3. Sim Part "Insert SIM" is displayed on the LCD The voltage is 2.
4 SIM VCC ZD307 3 5 NC GND 2 1 IO CL OCK 6 SGH-E770 Flow Chart of Troubleshooting SIM301 1 2 3 VSIM SIM_RST SIM_CLK 1 2 3 6 6 5 5 4 4 G G G G 10 9 8 7 SIM_IO C308 C304 C305 C306 C307 2-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-E770 Flow Chart of Troubleshooting 2-1-4. Microphone Part Micro-phone does not work NO Is the assembled status of Microphone O.K? Reassemble the microphone YES Check the DC bias voltage on Mic path. NO The voltage of TA434 is about 2.
SGH-E770 Flow Chart of Troubleshooting VCCA_2.
SGH-E770 Flow Chart of Troubleshooting 2-1-5. Speaker Part There is no sound from speaker NO Is the terminal of speaker O.
SGH-E770 Flow Chart of Troubleshooting VBAT AMP_R SP_OUT_P R462 SP_OUT_N 3 4 1S2 4S2 1S1 V+ 4S1 U408 1-2IN 3-4IN 2S1 3S2 D2 5 6 7 C468 12 11 10 9 D3 AMP_L 2 C467 D4 3S1 AMP_EN NC NC GND 1 15 14 13 2S2 21 22 16 D1 GND 17 AOUTAP AOUTAN R461 C466 8 2-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-E770 Flow Chart of Troubleshooting 2-1-6. Camera Part Camera function does not work NO Check the connect HDC503? Connect the HDC503 YES NO Pin #5 of U302= 1.8V? Check the U302&L302 YES YES Pin #4 of U305 = 2.
SGH-E770 Flow Chart of Troubleshooting VCCD_2.9V VCCD_1.8V VCAM_2.
SGH-E770 Flow Chart of Troubleshooting 2-1-7. Mp3 Display Part There is no MP3 sound from Earphone YES Are there any signal at the pin #4,6 of EAR400? Replace the Earphone NO YES Are there any signal at the pin #4,16 of U408? Check TA461, 462 and the pin #1 ,4 of ZD401 NO YES Are there any signal at the pin #3,15 of U408? Pin #2 of U408 is Low? NO NO Check UCP201 YES Are there any signal at the C416, 417? YES Check C416, 417 Pin 14 of U408 is 3.
SGH-E770 Flow Chart of Troubleshooting 2-2.RF 2-2-1. EGSM RX Continuous RX ON RF Input : 62 CH AMP : -50dBm NO NORMAL CONDITION Catch the channel ? Check soldered status of R125, 11, C12, 153, L108, 106 YES NO F100 Check Pin #6 ≥ -65dBm ? RFS100, C10 Resoer or Change YES NO F100 Check Pin #15 ≥ -65dBm ? F100 Resolder or Change YES NO UCD100 Check Pin#42 ≥ -65dBm ? Check soldered status of L105 YES UCD100 Check Pin#15,16,23,27,31 =Clean 2.
SGH-E770 Flow Chart of Troubleshooting VCCB_2.9V VPAC_2.8V VCCD_2.9V VRF_2.
SGH-E770 Flow Chart of Troubleshooting 2-2-2. DCS RX Continuous RX ON RF Input : 660 CH AMP : -50dBm NO NORMAL CONDITION Catch the channel ? Check soldered status of R125, 11, C12, 153, L108, 106 YES NO F100 Check Pin #6 ≥ -65dBm ? PAM101, C10 Resolder or Change YES NO F100 Check Pin #13 ≥ -65dBm ? F100 Resolder or Change YES NO UCD100 Check Pin#43 ≥ -65dBm ? Check soldered status of L104, C123 YES UCD100 Check Pin#15,16,23,27,31 =Clean 2.
SGH-E770 Flow Chart of Troubleshooting VRF_2.9V IF_REF+ IF_REF- VRF_2.
SGH-E770 Flow Chart of Troubleshooting 2-2-3. PCS RX Continuous RX ON RF Input : 660 CH AMP : -50dBm NO NORMAL CONDITION Catch the channel ? Check soldered status of R125, 11, C12, 153, L108, 106 YES NO F100 Check Pin #6 ≥ -65dBm ? C10, RFS100100 Resolder or Change YES NO F100 Check Pin #11 ≥ -65dBm ? F100 Resolder or Change YES NO UCD100 Check Pin#1 ≥ -65dBm ? Check soldered status of L103, C119 YES UCD100 Check Pin#15,16,23,27,31 =Clean 2.
SGH-E770 Flow Chart of Troubleshooting 2-2-4. EGSM TX NO F100 Pin#6 About 2~3 dBm? NO F100 Pin#4 = High? UCP301 Check & Change YES YES F100, C10 Check & Change Level of F100 Pin#2 is 4~5dBm ? NO Continuous TX ON condition TX Power Code : 500 code Applied CH : 62 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF. Level : 10dBm ATT. : 20dB YES F100 Check & Change NO C100 = 3.7V? Check the Battery Block YES Level of PAM101 Pin #30 is 1.
SGH-E770 Flow Chart of Troubleshooting 2-2-5. DCS & PCS TX NO F100 Pin#6 About 2~3 dBm? NO F100 Pin#16 = High? UCP301 Check & Change YES YES RFS100, C10 Check & Change Level of F100 Pin#7 is 4~5dBm ? NO Continuous TX ON condition TX Power Code : 500 code Applied CH : 62 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF. Level : 10dBm ATT. : 20dB YES F100 Check & Change NO C100 = 3.7V? Check the Battery Block YES Level of PAM101 Pin #30 is 1.
SGH-E770 Flow Chart of Troubleshooting 2-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
3. SGH-E770 Exploded View and Parts List 3-1.
SGH-E770 Exploded View and Parts List 3-2. Cellular phone Parts list Location NO.
SGH-E770 Exploded View and Parts List Description SEC CODE 6902-000634 GH44-00482A GH59-02320B GH68-02026A GH68-07948A GH68-08026A GH69-03239A GH69-03240A GH73-05392A GH73-05393A GH74-12175A GH74-12300A GH74-15350A GH74-17203A GH74-17214A GH74-18117A GH74-18434A GH74-18672A GH74-18674A GH74-19475A GH74-19717A GH74-20547A GH75-03207Q BAG PE ADAPTOR-TAD UNIT-EARPHONE LABEL(P)-WATER SOAK MANUAL-USER LABEL(P)-MAIN BOX(P)-UNIT MAIN CUSHION-CASE TA2 MA2 RMO-RUBBER PCB V3 RMO-RUBBER PCB V4 MPR-BOHO VINYL SUB WI
SGH-E770 Exploded View and Parts List 3-3. Test Jig (GH80-03307A) 3-3-1. RF Test Cable 3-3-2. Test Cable (GH39-00283A) 3-3-3. Serial Cable (GH39-00127A) 3-3-4. Power Supply Cable 3-3-5. DATA CABLE (GH39-00355A) 3-3-6.
4.
SGH-E770 Main Electrical Parts List SEC Code Design LOC Discription 1203-003523 U305 IC-POSI.FIXED REG. SA 1203-003523 U507 IC-POSI.FIXED REG. SA 1203-003565 UCP301 IC-POWER SUPERVISOR SA 1203-003612 U304 IC-DC/DC CONVERTER SA 1203-003737 U405 IC-POSI.FIXED REG.
SGH-E770 Main Electrical Parts List SEC Code Design LOC Discription 2007-000775 R49 R-CHIP SA 2007-000982 R13 R-CHIP SA 2007-001119 R433 R-CHIP SA 2007-001119 R447 R-CHIP SA 2007-001288 R346 R-CHIP SA 2007-001288 R347 R-CHIP SA 2007-001306 R424 R-CHIP SA 2007-007009 R427 R-CHIP SA 2007-007014 R519 R-CHIP SA 2007-007014 R521 R-CHIP SA 2007-007095 R110 R-CHIP SA 2007-007134 R112 R-CHIP SA 2007-007142 R111 R-CHIP SA 2007-007142 R428 R-CHIP SA 2007-007
SGH-E770 Main Electrical Parts List SEC Code Design LOC Discription 2007-007798 R405 R-CHIP SA 2007-007798 R406 R-CHIP SA 2007-008040 R436 R-CHIP SA 2007-008040 R444 R-CHIP SA 2007-008040 R461 R-CHIP SA 2007-008040 R462 R-CHIP SA 2007-008043 R435 R-CHIP SA 2007-008043 R443 R-CHIP SA 2007-008045 R118 R-CHIP SA 2007-008045 R122 R-CHIP SA 2007-008045 R315 R-CHIP SA 2007-008049 R16 R-CHIP SA 2007-008051 R411 R-CHIP SA 2007-008052 R319 R-CHIP SA 2007-00
SGH-E770 Main Electrical Parts List SEC Code Design LOC Discription 2007-008478 R333 R-CHIP SA 2007-008483 R119 R-CHIP SA 2007-008483 R202 R-CHIP SA 2007-008483 R330 R-CHIP SA 2007-008483 R416 R-CHIP SA 2007-008483 R464 R-CHIP SA 2007-008483 R500 R-CHIP SA 2007-008483 R501 R-CHIP SA 2007-008483 R502 R-CHIP SA 2007-008483 R506 R-CHIP SA 2007-008483 R508 R-CHIP SA 2007-008486 R503 R-CHIP SA 2007-008516 R117 R-CHIP SA 2007-008516 R201 R-CHIP SA 2007-0
SGH-E770 Main Electrical Parts List SEC Code Design LOC Discription 2007-009167 R321 R-CHIP SA 2007-009170 R453 R-CHIP SA 2007-009170 R529 R-CHIP SA 2007-009199 R113 R-CHIP SA 2203-000254 C127 C-CER,CHIP SA 2203-000254 C128 C-CER,CHIP SA 2203-000254 C509 C-CER,CHIP SA 2203-000311 C129 C-CER,CHIP SA 2203-000489 C522 C-CER,CHIP SA 2203-000489 C523 C-CER,CHIP SA 2203-000585 C113 C-CER,CHIP SA 2203-000654 C414 C-CER,CHIP SA 2203-000725 C130 C-CER,CHIP SA 2
SGH-E770 Main Electrical Parts List SEC Code Design LOC Discription 2203-005682 C435 C-CER,CHIP SA 2203-005682 C437 C-CER,CHIP SA 2203-005682 C441 C-CER,CHIP SA 2203-005682 C445 C-CER,CHIP SA 2203-005682 C469 C-CER,CHIP SA 2203-005682 C516 C-CER,CHIP SA 2203-005682 C517 C-CER,CHIP SA 2203-005683 C436 C-CER,CHIP SA 2203-005719 C438 C-CER,CHIP SA 2203-005719 C439 C-CER,CHIP SA 2203-005719 C446 C-CER,CHIP SA 2203-005719 C447 C-CER,CHIP SA 2203-005719 C466 C
SGH-E770 Main Electrical Parts List SEC Code Design LOC Discription 2203-006194 C111 C-CER,CHIP SA 2203-006194 C117 C-CER,CHIP SA 2203-006194 C118 C-CER,CHIP SA 2203-006194 C121 C-CER,CHIP SA 2203-006194 C139 C-CER,CHIP SA 2203-006194 C140 C-CER,CHIP SA 2203-006194 C141 C-CER,CHIP SA 2203-006194 C151 C-CER,CHIP SA 2203-006194 C152 C-CER,CHIP SA 2203-006194 C154 C-CER,CHIP SA 2203-006194 C155 C-CER,CHIP SA 2203-006194 C201 C-CER,CHIP SA 2203-006194 C205 C
SGH-E770 Main Electrical Parts List SEC Code Design LOC Discription 2203-006399 C403 C-CER,CHIP SA 2203-006423 C114 C-CER,CHIP SA 2203-006423 C115 C-CER,CHIP SA 2203-006423 C142 C-CER,CHIP SA 2203-006423 C146 C-CER,CHIP SA 2203-006423 C147 C-CER,CHIP SA 2203-006423 C17 C-CER,CHIP SA 2203-006423 C18 C-CER,CHIP SA 2203-006423 C202 C-CER,CHIP SA 2203-006423 C204 C-CER,CHIP SA 2203-006423 C206 C-CER,CHIP SA 2203-006423 C208 C-CER,CHIP SA 2203-006423 C211 C-C
SGH-E770 Main Electrical Parts List SEC Code Design LOC Discription 2203-006562 C14 C-CER,CHIP SA 2203-006562 C149 C-CER,CHIP SA 2203-006562 C150 C-CER,CHIP SA 2203-006562 C310 C-CER,CHIP SA 2203-006562 C311 C-CER,CHIP SA 2203-006562 C312 C-CER,CHIP SA 2203-006562 C313 C-CER,CHIP SA 2203-006562 C314 C-CER,CHIP SA 2203-006562 C315 C-CER,CHIP SA 2203-006562 C316 C-CER,CHIP SA 2203-006562 C323 C-CER,CHIP SA 2203-006562 C329 C-CER,CHIP SA 2203-006562 C330 C-
SGH-E770 Main Electrical Parts List SEC Code Design LOC Discription 2203-006648 C319 C-CER,CHIP SA 2203-006648 C465 C-CER,CHIP SA 2203-006824 C402 C-CER,CHIP SA 2203-006824 C406 C-CER,CHIP SA 2203-006825 C336 C-CER,CHIP SA 2203-006825 C337 C-CER,CHIP SA 2203-006825 C338 C-CER,CHIP SA 2203-006825 C339 C-CER,CHIP SA 2203-006840 C461 C-CER,CHIP SA 2203-006840 C462 C-CER,CHIP SA 2203-006847 C131 C-CER,CHIP SA 2203-006847 C132 C-CER,CHIP SA 2404-001339 TA412
SGH-E770 Main Electrical Parts List SEC Code Design LOC Discription 2901-001324 F502 FILTER-EMI/ESD SA 2901-001324 F503 FILTER-EMI/ESD SA 2901-001324 F505 FILTER-EMI/ESD SA 2901-001353 F501 FILTER-EMI/ESD SA 2901-001353 F504 FILTER-EMI/ESD SA 2911-000021 F100 DUPLEXER-FEM SA 3301-001342 L200 BEAD-SMD SA 3301-001342 L201 BEAD-SMD SA 3301-001342 L400 BEAD-SMD SA 3301-001342 L401 BEAD-SMD SA 3301-001342 L402 BEAD-SMD SA 3301-001342 L403 BEAD-SMD SA 3301-00134
5.
U505 TR503 U506 U408 TA461 TA462 U406 SGH-E770 PCB Diagrams U508 U203 TR502 U507 LED316 CK301 UP LEFT MENU VK302 SEND I STO LED317 PWR VR301 RIGHT TA452 VR302 VR309 VR308 VR310 VF311 DOWN CLEAR 1 3 2 4 6 5 TP501 7 9 8 * SHARP 0 U301 U504 ZD301 ZD501 VR304 VR303 VR305 VR306 VR307 5-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
6. SGH-E770 Block Diagrams 6-1. RF Solution Block Diagram A n te n n a S G H - E 7 7 0 B lo c k D ia g r a m B lu e to o th BTTZ0502SA A n te n n a R T S ,C T S R X ,T X PCM I2 C I/F Key B /L FEM 5440 UART 3 2 .
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. ⓒ Samsung Electronics Co.,Ltd. Code No.: GH68-08082A 2006. 01. Rev.1.
