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GSM TELEPHONE
GSM TELEPHONE
GT-B7722i
1. Safety Precautions
2. Specification
3. Product Function
4. Exploded View and Parts list
5. MAIN Electrical Parts List
6. Level 1 Repair
7. Disassembly and Assembly
Instructions
8. Chart of Troubleshooting
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-B7722i
- Page 1 - 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 China china.samsungportal.com Asia asia.samsungportal.com Mideast & Africa mea.samsungportal.com 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. 2010. 12. Rev.1.0...
- Page 3 PNX4852 U501 1205-004004 AAT4280AIJS-2-T1 U108 1205-004070 NRX600CSPB11-T U404 1209-001945 BMA220 VR200,VR500 1404-001221 NCP15WB473J04RC VR100 1404-001224 NCP15XH103E04RC VR101 1405-001291 LXES15AAA1-017 ZD301,ZD400,ZD401 1405-001298 LXES15AAA1-075 ZD402,ZD403,ZD405 1405-001298 LXES15AAA1-075 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 4 MCR01MZP5J2R2 R412 2007-007008 RC1005J301CS R311 2007-007014 MCR01MZP5J513 R304 2007-007090 RC1005J113CS R306 2007-007142 RC1005F103CS R107 2007-007308 MCR01MZP5F3302 R307 2007-007312 MCR01MZP5F2002 R302 2007-007334 RC1005F2003CS R308 2007-007573 RK73H1ETP3303F SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 5 C1005Y5V1C104ZT C304,C324,C325,C327 2203-002709 C1005Y5V1C104ZT C435 2203-002709 C1005Y5V1C104ZT C130,C133,C138,L120 2203-005050 GRP1555C1H1R8CZ01E C101 2203-005056 GRP1555C1H6R8CZ01E C104,C105 2203-005281 GRP1555C1H1R5BZ01E C111,C178 2203-005288 GRP1555C1H1R0BZ01E C169 2203-005344 GRM155R71E223KA61D C518,C522 2203-005446 GRP1555C1H2R7BZ01E SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 6 GRM155R60J105KE19D C109,C114,C115,C152 2203-006562 CV05X5R105K10AH C164,C214,C221,C238 2203-006562 CV05X5R105K10AH C311,C446 2203-006562 CV05X5R105K10AH C110,C342 2203-006681 GRM155F51E104ZA01D C163,C323,C331,C514 2203-006824 CV105X5R475K10AT C555 2203-006824 CV105X5R475K10AT C149,C150,C151 2203-006841 CV05X5R105K16AH C312,C428,C430 2203-006844 CV05X5R474K10AH SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 7 CIH05T56NJNC L501 2703-002269 CIH05T56NJNC L119,L412 2703-002313 CIH05TR10JNC L104 2703-002314 CIH05T47NJNC L106,L114 2703-002367 CIH05T1N0SNC L105 2703-002369 CIH05T1N5SNC L121 2703-002708 LQW15AN1N5C00D L300 2703-002840 LPF2015T-4R7M L410 2703-003121 MLG1005SR15J SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 8 BLM18PG330SN1 L206 3301-001569 CIC21J601NE DOWN,HOLD,SWAP,UP 3404-001410 LS12M2E-T RFS100,RFS500 3705-001503 KMS-560 HEA300 3708-002234 FF12-40A-R12BN-D3 CN400 3708-002236 FF12-12A-R12BN-D3 SIM200,SIM201 3709-001488 5000-6P-1.5S CD200 3709-001575 SCHA4B0301 HEA301 3711-005793 14-5602-034-000-829 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 9 2909-001319 DEA162450BT-2096A1-H F101 4709-001927 LDM152G4505HC012 ZD200,ZD201 0406-001413 PESD5V0F1BL Please consult the GSPN website (Samsung Portal) for the most recent version of the product's part list. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 10 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 11 R107 C434 U402 C413 C410 C121 L119 C139 L116 U301 C110 C134 L115 L112 C140 C135 R205 FEM100 C107 C348 TP306 C112 R102 SC207 SC203 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 12 SC217 C231 C230 C235 R224 C238 SIM200 SIM201 MASTER_JTAG_PAD SLAVE_JTAG_PAD C345 TP400 TP102 C218 TP101 R201 TP_TXD1 U404 C435 R412 TP_RXD1 CN400 RFS100 L103 C111 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 13 ※ Presetting methods for checking TP - GND & TP(exp. Vbatt=C102, C108, C212, C331) using Oscilloscope - look over the coming out signal. ← Oscilloscope SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 14 - 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 15 (TP : C33 7 , C33 8 / look over the wave form using the oscilloscope) VDD_CORE_2 = 1.2V? Resolder L300, C209, C331 (to confirm coming out power V_core) (L300, C209, C331) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 16 C236 C211 R229 C321 C306 R219 R222 C308 C224 C420 C310 TP227 U100 BAT300 R208 TP228 TP231 C132 L400 C422 BH200 C337 SC205 C547 C441 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 17 D1D2VIN REFGND D5D6VIN D7IOVIN DCD1VIN DCD2VIN DCD3VIN GPOVIN HCVDD HCVIN IOVDD MIC_BIAS_VDD RF1VDD RF2VDD RF3VDD RF4VDD RF1RF2_VIN RF3RF4_VIN USBVDD USBVIN USIMVIN VBAT1 VBAT2 VBAT_SENSE VBUS SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 18 Replace Q500 and check once again -> L → H in boot sequence (R 502 ) Check the 16bit data signal & memory CE (TP214,TP215) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 19 C211 R229 C321 C306 R219 R222 C308 C224 C420 C310 TP227 U100 BAT300 R208 TP231 TP228 C132 BH200 L400 C422 C337 SC205 C547 C441 8-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 20 Level 3 Repair R229 8-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 21 (TP:C 202 ) (be possible that it's not soldering well) Resolder C326, C202 U302 pin 38(VCHG) > 4.9V (TP:C32 6 ) Replace U302 using a Heatgun 8-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 22 R229 C321 C306 R219 R222 C308 C224 C420 C310 TP227 U100 R208 BAT300 TP231 TP228 C13 2 BH200 L400 C422 C337 SC205 C547 C441 8-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 23 C331 32KHZ_DIGIT CLK32K OSCI VSAVE OSCO VPAD BAT300 C336 REF_ON PWREN1 VDD_IO_LOW_1.8V PWREN2 OSC300 3G_REF_ON PWREN3 ST3215SB32768E0HPWBB SIM_OFF USIM_ACT USIM_PRES C337 C338 MASTER PMU 8-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 24 Confirm an another PBA (method : wiring pin 3 and check its waveform using an oscilloscope) oscilloscope) Check the SIM Card (look over if it get damaged.) 8-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 25 Level 3 Repair C231 C230 C235 R224 C238 SIM200 SIM201 MASTER_JTAG_PAD SLAVE_JTAG_PAD 8-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 26 Level 3 Repair 8-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 27 (not work if those is not connected.) Check the MIC sample. Replace an another MIC (it be possible the problem things) (because of being possible the problem) 8-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 28 C422 BH200 C337 SC205 C547 C441 C114 VR100 R107 C434 U402 C413 C410 C121 L119 C139 L116 U301 C110 C134 L115 L112 C140 C135 8-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 29 Level 3 Repair c t i c t i c t i c t i 8-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 30 Resolder or Replace UCP200, U403 (*#0*# → check receiver (be possible of soldering not well or being and speaker) UCP a bad sample) select the Call ringtone) 8-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 31 C422 BH200 C337 SC205 C547 C441 C114 VR100 R107 C434 U402 C413 C410 C121 L119 C139 L116 U301 C110 C134 L115 L112 C140 C135 8-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 32 Level 3 Repair 8-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 33 All of the key doesn't work (over the insturctions again because of be possible for FPCB to get damaged) except POWER ON KEY ? 8-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 34 C224 C420 C310 TP227 U100 BAT300 R208 TP231 TP228 C132 L400 C422 BH200 C337 SC205 C547 C441 C114 VR100 R107 C434 U402 C413 C410 8-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 35 Level 3 Repair C345 TP400 TP102 C218 TP101 R201 TP_TXD1 U404 C435 R412 TP_RXD1 CN400 RFS100 L103 C111 8-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 36 Resolder U107 and U302 pin 44 ≥ 2.6V pin4 ≥ 3.3V Check U10 7 pin A3 Resolder or replace C122, U100 26MHz ? Check & Resolder U103 8-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 37 Level 3 Repair RCV_PAD BH201 L403 TP122 TP11 9 TP120 C175 C131 U109 TP_ICE_TDI L125 BH203 U407 U108 C153 C445 C155 F101 ZD406 TP133 C151 8-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 38 44 ≥ 2.6V pin 32,33 ≥ 3.3V pin 40 ≥ 1.2V Check OSC100 pin1 or 3 Resolder or Replace OSC100 40MHz ? Check & Resolder U103 8-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 39 Level 3 Repair RCV_PAD BH201 L403 TP122 TP11 9 TP120 C175 C131 U109 TP_ICE_TDI L125 BH203 U407 U108 C153 C445 C155 F101 ZD406 TP133 C151 8-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 40 Level 3 Repair 8-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 41 : select GSM or GPRS 2. Connetion Type : select Auto 3. BCH Parameter : select measuring band (DCS or EGSM) 4. Cell power : -60dBm 8-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 42 2. Using an Originate Call, make a call. 3. Confirm the display "connected" 4. start the measuring ※ 8960 & spectrum analyzer (down & up at picture) 8-33 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 43 - spectrum analyzer : testing method = the way using an Osciliscope - 8960 : connect using RF Cable between 8960 & RF Connector in board. Master RF Connector Slave RF Connector 8-34 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 44 Cell Power : -60dBm Check C116 Resolder C116 Soldering Check FEM100 Resolder FEM100 Soldering Check C138, C140, L120 Resolder C138, C140, L120 Soldering Check & Resolder U101 8-35 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 45 Check C116 Resolder C116 Soldering Check FEM100 Resolder FEM100 Soldering Check L110, L 111, L112 Resolder L110, L 111, L112 Soldering Check & Resolder U101 8-36 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 46 RX ON Cell Power : -60dBm FEM100 sensitivity ≥ Check & Resolder C116 -105 Check & Resolder C129, L113, L116, DUF100, C124, L108, L109, L114 8-37 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 47 Level 3 Repair 8-38 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 48 C434 U402 C413 C410 C121 L119 C139 L116 U301 C110 C134 L115 L112 C140 C135 R205 FEM100 C107 C348 TP306 C112 R102 SC207 SC203 8-39 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 49 Resolder C116 30dBm PAM100 pin16 ≥ Resolder L105, FEM100 30dBm PAM100 pin6 Resolder PAM100 ≥ -4dBm Check & Resolder U101 8-3-14. Master DCS Transmitter 8-40 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 50 Resolder C116 28dBm PAM100 pin16 ≥ Resolder L101, FEM100 28dBm PAM101 pin4 Resolder PAM100, C110 ≥ -4dBm Check & Resolder U101 8-3-15. Master 3G Transmitter 8-41 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 51 TX ON (Target Power 24dBm) FEM101 Pin2 ≥ Resolder C116 20dBm PAM101 pin9 ≥ Resolder DUF100, C124, L108, 20dBm C101 Check & Resolder PAM101, C137, U101 8-42 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 52 Level 3 Repair 8-43 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 53 C434 U402 C413 C410 C121 L119 C139 L116 U301 C110 C134 L115 L112 C140 C135 R205 FEM100 C107 C348 TP306 C112 R102 SC207 SC203 8-44 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 54 F500 9pin ≥ Resolder L502, F500 -65dBm F500 4pin ≥ Check C526 NC -68dBm F501 6,7pin ≥ Resolder F501, C524, C525 -70dBm Check & Resolder UCP500 8-45 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 55 F500 9pin ≥ Resolder L502, F500 -65dBm F500 6pin ≥ Resolder C521 -68dBm F501 8,9pin ≥ Resolder F501, C518, C522 -70dBm Check & Resolder UCP500 8-46 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 56 Level 3 Repair 8-47 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 57 Level 3 Repair BH202 SC200 C516 C531 C528 C534 PAM500 C532 TP_ICE_TDI BH203 U407 C445 L504 L503 C554 C500 C507 C505 C560 SC213 SC212 R519 8-48 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 58 F500 Pin9 ≥ Resolder L502 30dBm PAM500 pin16 ≥ Resolder C532, F500 30dBm PAM500 pin6 Resolder PAM500, C552, R518 ≥ -4dBm Check & Resolder UCP500 8-49 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 59 F500 Pin9 ≥ Resolder L502 28dBm PAM500 pin19 ≥ Resolder C528, F500 28dBm PAM500 pin4 Resolder PAM500, C551, R503 ≥ -4dBm Check & Resolder UCP500 8-50 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 60 Level 3 Repair 8-51 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 61 Level 3 Repair BH202 SC200 C516 C531 C528 C534 PAM500 C532 TP_ICE_TDI BH203 U407 C445 L504 L503 C554 C500 C507 C505 C560 SC213 SC212 R519 8-52 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 62 SCL, SDA data line UCP200 I2C Part (SCL,SDA) Check the C437, C438 Check Audio signal waveform (ANL, ANR) using oscilloscope Resolder or Replace U405 8-53 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 63 Level 3 Repair C345 TP400 C218 R201 TP_TXD1 U404 C435 R412 TP_RXD1 CN400 8-54 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 64 - NC Point(Top View) : NC UCP200 10 11 12 13 14 15 16 17 18 19 10 11 12 13 14 15 16 17 18 19 8-55 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 65 Level 3 Repair : NC UME200 8-56 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 66 ⑦ ⑧ ⑥ ③ ⑤ ② ④ ① Be careful not to make scratch and molding damage Be careful not to damage to SLAVE INTENNA SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 67 When separating connector and flash led, take care so that When separating intenna, take care so that fpcb is not fpcb is not damaged. damaged SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 68 Be careful lcd should not be twisted when twist Be careful to not to tear the LCD FPCB. front SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 69 4 pointses 2) Assemble central left/right hook 2point Be careful to not to tear the TSP FPCB. Be careful of lcd fpcb damage when placing bracket. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 70 1) Be careful to not to tear the FPCB. 2) Catch and disassemble fpcb's hard part when Be careful to not to tear the FPCB. disassembling tsp fpcb. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 71 ① ③ ⑤ ⑥ ④ ⑦ ⑧ Be careful not to make scratch and molding damage Be careful not to make scratch and molding damage SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...