Samsung GT-C6712 Service Manual
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Samsung GT-C6712 Service Manual

Samsung GT-C6712 Service Manual

Gsm telephone
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See also: User Manual
GSM TELEPHONE
GSM TELEPHONE
GT-C6712
3. Product Function
9. Reference data
Notice :
All functionality, features, specifications and other
product information provided in this document inclu
ding, but not limited to, the benefits, design, pricing,
components, performance, availability, and capabiliti
- es of the product are subject to change without
notice or obligation. Samsung reserves the right to
make changes to this document and the product
described herein, at anytime, without obligation on
Samsung to provide notification of such change.
CONTENTS

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Summary of Contents for Samsung GT-C6712

  • Page 1: Table Of Contents

    - es of the product are subject to change without notice or obligation. Samsung reserves the right to make changes to this document and the product described herein, at anytime, without obligation on...

  • Page 2: Safety Precautions

    ― Don't use as you pleases after change other material than replacement registered on SEC System. Otherwise engineer in charge isn't charged with problem that you don't keep this rules. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 3 ― You must maintain electric contact between ESD and place due to be set up until ESD is connected completely to the proper place or a circuit board. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 4: Specification

    2. Specification 2-1. GSM General Specification EG SM 90 0 DCS1800 Fre q. Band[MHz] 880 ~915 171 0~1785 Uplink/Downlink 925 ~960 180 5~1880 0 ~124 & ARFCN r ange 51 2~885 975 ~1023 Tx/Rx spa cing 45 MHz 9 5MHz Mo d.

  • Page 5: Gsm Tx Power Class

    Speclflcation 2-2. GSM TX power class TX Power TX Power DCS1800 GSM900 control level control level 30±3 dBm 33±2 dBm 28±3 dBm 31±2 dBm 26±3 dBm 29±2 dBm 24±3 dBm 27±2 dBm 22±3 dBm 25±2 dBm 20±3 dBm 23±2 dBm 18±3 dBm 21±2 dBm 16±3 dBm...
  • Page 6 • BTv3.0 , Micro USB 2.0 • FM Radio Support • Micro SD Card support • 3.5pi Earjack Support • Wi-Fi 802.11(b/g/n) • SMS, MMS SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 7: Exploded View And Parts List

    4-1. Cellular phone Exploded View QME03 QFR01 QLC01 QKP01 QME01 QLB01 QMI03 QVK02 QAR01 QMP01 QCA01 QSP01 QCK01 QVO01 QMO01 QRF06 QCK02 QRE01 QSD01 QCR101 QBA01 QBC00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 8: Cellular Phone Parts List

    GH98-19409A QMO01 MOTOR DC GH31-00534A QRF06 PMO COVER-USB GH72-62923A QSD01 PMO COVER-SD GH72-62924A QCK02 PMO KEY-SIM GH72-62926A QVO01 PMO KEY-VOL GH72-62927A QCK01 PMO KEY-HOLD GH72-62928A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 9: Main Electrical Parts List

    R-CHIP 2007-000141 R206,R207,R208,R209 R-CHIP 2007-000141 R219,R220,R406 R-CHIP 2007-000143 R202,R433 R-CHIP 2007-000144 R211,R212,R213,R214 R-CHIP 2007-000148 R312 R-CHIP 2007-000156 R305,R404 R-CHIP 2007-000159 R204 R-CHIP 2007-000162 R134,R135,R136,R216 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 C-CERAMIC 2203-000386 C460 C-CERAMIC 2203-000425 C219 C-CERAMIC 2203-000438 C150,C229 C-CERAMIC 2203-000627 C116,C312,C313 C-CERAMIC 2203-000679 C130 C-CERAMIC 2203-000696 C144 C-CERAMIC 2203-000714 C182 C-CERAMIC 2203-000725 C464,C465 C-CERAMIC SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 C-CERAMIC 2203-006348 C301 C-CERAMIC 2203-006399 C111,C124,C138,C155 C-CERAMIC 2203-006399 C200,C201,C207,C209 C-CERAMIC 2203-006399 C216,C217,C305,C306 C-CERAMIC 2203-006399 C307,C308,C317,C319 C-CERAMIC 2203-006399 C322,C323,C325,C329 C-CERAMIC 2203-006399 C330,C340,C345,C355 C-CERAMIC 2203-006399 C356,C357,C405,C411 C-CERAMIC SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 INDUCTOR-SMD 2703-002314 L412 INDUCTOR-SMD 2703-002367 L105,L110 INDUCTOR-SMD 2703-002368 L102 INDUCTOR-SMD 2703-002543 L113 INDUCTOR-SMD 2703-003485 L413 INDUCTOR-SMD 2703-003686 L300,L301,L302 INDUCTOR-SMD 2703-003698 L108 INDUCTOR-SMD 2801-004551 OSC300 CRYSTAL-UNIT SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 P l e a s e c o n s u l t t h e G S P N w e b s i t e ( S a m s u n g P o r t a l ) f o r t h e m o s t r e c e n t v e r s i o n o f t h e p r o d u c t ' s p a r t l i s t . SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 14: Level 1 Repair

    • JIG Cable • JIG BOX (GH99-36900A) • RF Test Cable (GH39-00985A) • JIG Cable (GH39-01139A) • Adapter (GH99-38251A) • USB-To-Serial Cable • Binary files SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 ■ Load the binary download program by executing the " MultiLoader_v5.65_BCOM " 1. Select the "BRCM2133" in Control panel and "Full Download". 2. Select the binary files. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 3. change the phone to 'Download Mode', pressing ''volume down'' button, ''sim swap.'' button and ''ON'' button simultaneously. 4. Connect the phone to USB cable, press the "Port Search" button and then press "Download" button. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 5. When downloading is complete, you can see "All files complete" at the screen. 7. Confirm the downloaded version name and etc. : *#1234# Full Reset : *2767*3855# SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 18: Level 2 Repair

    1) Be care of scratch and molding damage. 2) Be care of damage to the LCD fpcb. 2) Be care of damage to the KEY FPCB.. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 1) Separate KEYPAD, LCD and TSP. ※ Caution 1) Be care of scratch and molding damage. 2) Be care of damage to the LCD, TSP. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 Don't block the USB SOCKET HOLE. ※ Caution ※ Caution 1) Be care of damage to the module. 1) Be care of damage to PBA. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 1) Be care of scratch and molding damage. 1) Be care of damage the LCD module. 2) Be care of TSP Fpcb damage. 2) Be care of TSP Fpcb damage. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 ※ Caution ※ Caution 1) Be care of scratch and molding damage. 1) Be care of scratch and molding damage. 2) Check 3 hook of INTENNA. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 1) Screw 5 points. ● Torque : 1.0 ~ 1.2 Kgf·cm Size : M1.4 * L4 ※ Caution 1) Be care of scratch and molding damage. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 24: Level 3 Repair

    8. Level 3 Repair 8-1. Block Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 Level 3 Repair 8-2. PCB Diagrams 8-2-1. Top SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 Level 3 Repair 8-2-1. Bottom SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 ※ presetting methods for checking TP - GND & TP(exp. VBAT= C308 ) using Oscilloscope - look over the coming out signal. ← Oscilloscope TP (Test Point) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 - EX) to look up the TP, shunt Cap. - if checking the GND, you can listen "beep" if checking the Signal, you can't listen it. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 VDD_CORE_1V28(C320, 1.28V), resolder the PM300 VDD_MEM_1V8(C300, 1.8V), VDD_DIG_3V0(C328, 3.0V), VDD_VCXO_1V3(C325, 1.3V) Check the Clock at OSC200(C150, 26MHz, resolder the OSC200 ±10ppm) Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 OTGCTRL1 BT_CLK OTGCTRL2 OTGCTRL3 OTGCTRL4 OTGCTRL5 RF_X1 RF_X2 GSM_850_RX_A RF_INN_0G8 GSM_900_RX_A RF_INN_0G9 DCS_RX_A RF_INN_1G8 OSC200 PCS_RX_A RF_INN_1G9 GSM_850_RX_B RF_INP_0G8 GSM_900_RX_B RF_INP_0G9 DCS_RX_B RF_INP_1G8 PCS_RX_B RF_INP_1G9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 Level 3 Repair 8-2. Initial Initial Failure PM300 pin D5 (RESETB, Replace PM300 TP_RST_BB) = "H" ? Check the LCD FPCB(teared) & HDC401 (Short or not solder) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 Level 3 Repair VDD_DIG_3V0 1 V_JTAG R_TCK 3 RTCK TRSTB TRST_N 5 TDI 6 TCK RST_BB TP_RST_BB 8 PON_RESET_N MASTER_JTAG_PAD SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 33: Charging Part

    Resolder L425 or IFC400 ≥ 4. 2 V Replace ZD410 check the ZD410(short) and C361(short) or open the C361 Check the Battery and TA is connected correctly 8-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 RXD1_JTAG IFC400 USB_D+ USB_D- JIG_ID R438 R439 C422 C446 JIG_ID_JTAG L401 V400 V401 IF CON INB_R INB2 C311 TXD1 RXD1 JIG_ID PM300 BT_REQ_CLK C312 8-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 35: Sim Part

    SIM300 pin C1, C9 = "H" ? Resolder or Replace SIM300 Pin C3(sim1_simclk), pin C11(sim2_ simclk) ≥ 5MHz ? Check the SIM Card (broken) 8-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 VSIM1 SIM_SYSRSTB SIM1_SIMRST RST1 VSIM1 _SYSRSTB GND2 SIM1_SIMCLK GND1 SCLK1 R318 SIM300 R312 C355 C356 C357 C358 C359 DUAL SIM CONNECTOR DUAL SIM CONTROLLER 8-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 37: Microphone Part

    2) sub MIC. : C411 Resolder L400, C440, C402, C406, U411, C401 Check the MIC. circuit (not connected) or C413, C412, L406, C457, C423, U401 8-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 U411 ZD409 C405 C402 C411 C406 C413 MAIN MIC VDD_DIG_3V0 MAIN_MIC_GND MIC_N C401 R405 U401 SEL_REF_MIC SUB_MIC C423 AUX_MIC_P 3PI5_EAR_MIC_P SUB_MIC_GND AUX_MIC_N C457 C417 8-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 39: Speaker Part

    Check the SPK. circuit. Resolder ZD401, ZD402, C409, C410, (not connected, short) R463, R464 R463 SPK400 L403 SPK_P L404 SPK_N SPK401 R464 C409 C410 SPK PAD 8-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 Level 3 Repair 8-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 41: Key Data Input

    (connection, FPCB teared) Check the key circuit. resolder R430, C456 or V405 (not connected, not soldered, short) HK401 TACT_400 R430 ONKEY KEY_COL(0) KEY_ROW(0) V405 C456 8-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 36 36 BL_EN EN|SET 40 40 R410 R411 C430 C434 C435 C432 C433 C454 43 44 C428 C429 R409 BACKLIGHT DRIVER IC LCD CON 8-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 Level 3 Repair 8-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 PAM100 Pin18 ≥ Check ANT Switch control check -68dBm control circuit Resolder PAM100 F100 8,9pin, D100,D101,L105,L110,L Resolder F100,D100,D101,L105,L110,L107,L109 107,L109 ≥ - 75dBm Check UCP200 is working 8-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 Check ANT Switch -68dBm control check control circuit Resolder PAM100 F100 6,7Pin, L111,L115,L112,L114 ≥ Resolder F100 6,7pin, L111,L115,L112,L114 - 75dBm Check UCP200 is working 8-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 Resolder PAM100 F101 9,8pin, L116, L119, L117, L118 ≥ Resolder F101 8,9pin, L116, L119, L117, L118 - 75dBm Check UCP200 is working 8-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47 Resolder PAM100 F101 6,7pin, L120, L124, L122, L123 ≥ Resolder F101 6,7 pin, L120, L124, L122, L123 - 75dBm Check UCP200 is working 8-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 48 L114 L115 GSM_900_RX_B L116 DCS_RX_A L117 L118 L119 DCS_RX_B F101 C119 GSM1800_OUT 9 GSM1800_OUT GSM1900_OUT 7 L120 GSM1900_OUT PCS_RX_A L121 L122 L123 L124 PCS_RX_B 8-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 Level 3 Repair 8-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 C103 < 3.3V? circuit. PAM100 Pin11 ≥ 30dBm Resolder PAM100 (R106 using spectrum analyzer) Check the RFS100 Resolder RFS100. connection with PCB? Antenna re-solder or change 8-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 C103 < 3.3V? circuit. PAM100 Pin11 ≥ 30dBm Resolder PAM100 (R106 using spectrum analyzer) Check the RFS100 Resolder RFS100. connection with PCB? Antenna re-solder or change 8-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 52 PA_LB GSM_900_RX_A R111 RF_INN_0G9 AUX_DAC VRAMP DCS_RX_A PAM100 RF_INN_1G8 OSC200 SEL_BAND RF_INN_1G9 PCS_RX_A EN_TR_SW GSM_850_RX_B SW_EN RF_INP_0G8 RF_INP_0G9 GSM_900_RX_B DCS_RX_B C115 RF_INP_1G8 PCS_RX_B RF_INP_1G9 8-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53 Level 3 Repair - NC Point(Top View) : NC UME200 8-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 AC ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ● ○ ○ ○ ○ ○ ○ 8-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 55: Reference Abbreviate

    ― QPSK: Quadrature Phase Shift Keying ― RS : Reed-Solomon ― SI : Service Information ― TDM : Time Division Multiplexing ― TS : Transport Stream SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 SAMSUNG PROPRIETARY THIS DOCUMENT CONTAINS CONFIDENTIAL PROPRIETARY INFORMATION THAT IS SAMSUNG ELECTRONICS CO ¡fl S PROPERTY. DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS EXCEPT AS AUTHORIZED BY SAMSUNG. ANT100 ANT101 VBAT VDD_DIG_3V0 VDD_DIG_3V0 VREG_AFE_1V2 VREG_LNLDO_1V2 VREG_PLL_1V2 VREG_PLL_1V2 R100 L102...
  • Page 57 SAMSUNG PROPRIETARY THIS DOCUMENT CONTAINS CONFIDENTIAL PROPRIETARY INFORMATION THAT IS SAMSUNG ELECTRONICS CO ¡fl S PROPERTY. DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS EXCEPT AS AUTHORIZED BY SAMSUNG. VDD_MEM_1V8 C200 VDD_ANA_3V0 VDD_ANA_3V0 VDD_AMP1_3V0 VDD_CORE_1V28 VDD_VRF_1V3 VDD_VRF_1V3 C201 VDD_VCXO_1V3 VDD_USBOTG_2V5...
  • Page 58 SAMSUNG PROPRIETARY THIS DOCUMENT CONTAINS CONFIDENTIAL PROPRIETARY INFORMATION THAT IS SAMSUNG ELECTRONICS CO ¡fl S PROPERTY. DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS EXCEPT AS AUTHORIZED BY SAMSUNG. VDD_MEM_1V8 VBUS VDD_SD_3V0 VDD_MEM_1V8 C301 C300 VBAT R300 SD300 SD_DAT_2 DAT2...
  • Page 59 SAMSUNG PROPRIETARY THIS DOCUMENT CONTAINS CONFIDENTIAL PROPRIETARY INFORMATION THAT IS SAMSUNG ELECTRONICS CO ¡fl S PROPERTY. DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS EXCEPT AS AUTHORIZED BY SAMSUNG. MIC_BIAS L422 RCV_P_CON RCV_P L423 HDC403 RCV_N_CON RCV_N L418 R422 KEY_COL(1)
  • Page 60 This Service Manual is a property of Samsung Electronics Co.,Ltd. ⓒ Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. 2011. 04. Rev.1.0...

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