Samsung GT-S7230E User manual

GSM TELEPHONE
GT-S7230E
1. Safety Precautions
2. Specification
3. Product Function
4. Exploded View and Parts list
5. MAIN Electrical Parts List
6. Level 1Repair
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.
GSM TELEPHONE CONTENTS
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This Service Manual is aproperty of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
Samsung Electronics Co.,Ltd.
2010. 09. Rev.1.0
ⓒ
Country Web Site
North America service.samsungportal.com
Latin America latin.samsungportal.com
CIS cis.samsungportal.com
Europe europe.samsungportal.com
China china.samsungportal.com
Asia asia.samsungportal.com
Mideast &Africa mea.samsungportal.com
GSPN (Global Service Partner Network)

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5. MAIN Electrical Parts List
5-1
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Design LOC SEC CODE Description
D401 0401-001141 DIODE-SWITCHING
ZD604 0403-001741 DIODE-ZENER
D300,D600 0404-001172 DIODE-SCHOTTKY
ZD401 0406-001208 DIODE-TVS
ZD501 0406-001286 DIODE-TVS
ZD400,ZD502,ZD503 0406-001293 DIODE-TVS
ZD601,ZD602,ZD603 0406-001293 DIODE-TVS
ZD606,ZD607,ZD608 0406-001293 DIODE-TVS
ZD609,ZD700,ZD702 0406-001293 DIODE-TVS
U502 0406-001369 DIODE-TVS
ZD505,ZD701,ZD704 0406-001375 DIODE-TVS
Q300 0505-002384 FET-SILICON
U303 0801-003016 IC
U501 1001-001585 IC
U200 1001-001607 IC
UME300 1108-000379 MEMORY
PAM101 1201-002967 IC
PAM100 1201-003068 IC
PAM102 1201-003088 IC
U408 1203-004524 IC
U406 1203-004807 IC
U409 1203-005074 IC
U602 1203-006025 IC
U400 1203-006158 IC
U101 1203-006159 IC
U601 1203-006331 IC
U704 1203-006456 IC
U202 1205-003868 IC
U201 1205-004099 IC
U100 1205-004101 IC
UCP300 1205-004105 IC
U604 1209-001922 IC
V100 1404-001221 THERMISTOR
R100,R101,R102,R103 2007-000140 R-CHIP

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Main Electrical Parts List
5-2
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Design LOC SEC CODE Description
R443,R535 2007-000140 R-CHIP
R104 2007-000142 R-CHIP
R612 2007-000143 R-CHIP
R303,R304,R311 2007-000144 R-CHIP
R117,R539 2007-000148 R-CHIP
R615 2007-000156 R-CHIP
R315,R601,R624,R625 2007-000162 R-CHIP
R710 2007-000162 R-CHIP
R626 2007-000164 R-CHIP
R506 2007-000165 R-CHIP
R361 2007-000170 R-CHIP
R517 2007-001319 R-CHIP
R403 2007-001320 R-CHIP
R362 2007-001339 R-CHIP
R324 2007-003014 R-CHIP
R363 2007-007021 R-CHIP
R205,R209 2007-007132 R-CHIP
R116 2007-007480 R-CHIP
R124 2007-007489 R-CHIP
R620 2007-007798 R-CHIP
R123 2007-007981 R-CHIP
R300 2007-008045 R-CHIP
R206,R207,R212,R213 2007-008055 R-CHIP
R214 2007-008055 R-CHIP
R320 2007-008213 R-CHIP
R501,R502 2007-008294 R-CHIP
R323 2007-008401 R-CHIP
R701,R702,R703,R704 2007-008531 R-CHIP
R512,R513 2007-008588 R-CHIP
R401,R402 2007-008780 R-CHIP
R105,R106,R107,R108 2007-008806 R-CHIP
R113 2007-009257 R-CHIP
R525,R526 2007-009315 R-CHIP
C168,C170,C233,C236 2203-000233 C-CERAMIC,CHIP
C336 2203-000233 C-CERAMIC,CHIP
C135,C139,C149,C153 2203-000254 C-CERAMIC,CHIP

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Main Electrical Parts List
5-3
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Design LOC SEC CODE Description
C161,C229,C242,C309 2203-000254 C-CERAMIC,CHIP
C322,C327 2203-000254 C-CERAMIC,CHIP
C119,C125,C127,C132 2203-000278 C-CERAMIC,CHIP
C134,C202,C204,C226 2203-000278 C-CERAMIC,CHIP
C234,C235 2203-000278 C-CERAMIC,CHIP
C151,C182,C503 2203-000386 C-CERAMIC,CHIP
C114 2203-000425 C-CERAMIC,CHIP
C406,C410 2203-000550 C-CERAMIC,CHIP
C240 2203-000627 C-CERAMIC,CHIP
C106,C107,C200 2203-000696 C-CERAMIC,CHIP
C166,C239,C450,C451 2203-000812 C-CERAMIC,CHIP
C453,C608 2203-000812 C-CERAMIC,CHIP
C105 2203-000940 C-CERAMIC,CHIP
C607 2203-000995 C-CERAMIC,CHIP
C205 2203-001072 C-CERAMIC,CHIP
C504 2203-001153 C-CERAMIC,CHIP
C505,C506 2203-001239 C-CERAMIC,CHIP
C511 2203-002487 C-CERAMIC,CHIP
C169 2203-002668 C-CERAMIC,CHIP
C244 2203-002677 C-CERAMIC,CHIP
C157,C209,C213,C215 2203-002709 C-CERAMIC,CHIP
C222,C253,C337,C500 2203-002709 C-CERAMIC,CHIP
C232 2203-005057 C-CERAMIC,CHIP
C117 2203-005234 C-CERAMIC,CHIP
C104,C108,C115,C116 2203-005281 C-CERAMIC,CHIP
C162,C164 2203-005281 C-CERAMIC,CHIP
C249 2203-005395 C-CERAMIC,CHIP
C246 2203-005450 C-CERAMIC,CHIP
C123,C124 2203-005682 C-CERAMIC,CHIP
C146 2203-005729 C-CERAMIC,CHIP
C110,C111,C112,C122 2203-005734 C-CERAMIC,CHIP
C165,C167 2203-005792 C-CERAMIC,CHIP
C510 2203-005968 C-CERAMIC,CHIP
C126,C128,C129,C133 2203-006048 C-CERAMIC,CHIP
C136,C137,C138,C181 2203-006048 C-CERAMIC,CHIP
C216,C221,C247,C302 2203-006048 C-CERAMIC,CHIP

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Main Electrical Parts List
5-4
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Design LOC SEC CODE Description
C304,C306,C308,C311 2203-006048 C-CERAMIC,CHIP
C314,C315,C319,C321 2203-006048 C-CERAMIC,CHIP
C323,C325,C326,C339 2203-006048 C-CERAMIC,CHIP
C419,C421,C452,C533 2203-006048 C-CERAMIC,CHIP
C534,C616 2203-006048 C-CERAMIC,CHIP
C237 2203-006123 C-CERAMIC,CHIP
C701 2203-006190 C-CERAMIC,CHIP
C702 2203-006257 C-CERAMIC,CHIP
C224,C225,C248,C522 2203-006260 C-CERAMIC,CHIP
C523 2203-006260 C-CERAMIC,CHIP
C201,C203,C207 2203-006305 C-CERAMIC,CHIP
C454 2203-006324 C-CERAMIC,CHIP
C400,C527 2203-006348 C-CERAMIC,CHIP
C140,C141,C142,C143 2203-006399 C-CERAMIC,CHIP
C301,C303,C307,C313 2203-006399 C-CERAMIC,CHIP
C316,C318,C320,C324 2203-006399 C-CERAMIC,CHIP
C328,C409,C420,C423 2203-006399 C-CERAMIC,CHIP
C424,C427,C428,C429 2203-006399 C-CERAMIC,CHIP
C430,C431,C434,C435 2203-006399 C-CERAMIC,CHIP
C437,C438,C439,C440 2203-006399 C-CERAMIC,CHIP
C441,C457,C463,C465 2203-006399 C-CERAMIC,CHIP
C468,C475,C535,C624 2203-006399 C-CERAMIC,CHIP
C626,C628 2203-006399 C-CERAMIC,CHIP
C154,C155 2203-006410 C-CERAMIC,CHIP
C113 2203-006426 C-CERAMIC,CHIP
C413,C417,C464,C509 2203-006562 C-CERAMIC,CHIP
C120 2203-006642 C-CERAMIC,CHIP
C148,C211,C403,C609 2203-006824 C-CERAMIC,CHIP
C610 2203-006824 C-CERAMIC,CHIP
C411,C412 2203-006844 C-CERAMIC,CHIP
C158,C159,C160,C163 2203-006846 C-CERAMIC,CHIP
C208,C210,C214,C217 2203-006872 C-CERAMIC,CHIP
C218,C219,C220,C227 2203-006872 C-CERAMIC,CHIP
C228,C238,C241,C425 2203-006872 C-CERAMIC,CHIP
C426,C432,C433,C436 2203-006872 C-CERAMIC,CHIP
C147,C415,C416,C519 2203-006890 C-CERAMIC,CHIP

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Main Electrical Parts List
5-5
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Design LOC SEC CODE Description
C109,C121 2203-007271 C-CERAMIC,CHIP
C103,C402,C531,C604 2203-007279 C-CERAMIC,CHIP
C606 2203-007279 C-CERAMIC,CHIP
C212,C230,C617,C622 2203-007317 C-CERAMIC,CHIP
C633 2203-007317 C-CERAMIC,CHIP
C223,C231,C455 2203-007393 C-CERAMIC,CHIP
C602 2203-007687 C-CERAMIC,CHIP
C405 2404-001506 C-TA,CHIP
L208 2703-001701 INDUCTOR
L211 2703-001728 INDUCTOR
L102 2703-001749 INDUCTOR
L105 2703-001751 INDUCTOR
L200 2703-001786 INDUCTOR
L120 2703-001868 INDUCTOR
L100,L101,L112,L113 2703-002176 INDUCTOR
L504 2703-002231 INDUCTOR
L118 2703-002267 INDUCTOR
L107 2703-002593 INDUCTOR
L115,L116 2703-002793 INDUCTOR
L117 2703-002953 INDUCTOR
L119 2703-002999 INDUCTOR
L601 2703-003347 INDUCTOR
L600 2703-003485 INDUCTOR
L114,L404 2703-003685 INDUCTOR
L400,L401 2703-003686 INDUCTOR
L206 2703-003698 INDUCTOR
OSC400 2801-004373 CRYSTAL-UNIT
OSC200 2801-004589 CRYSTAL-UNIT
TCX200 2809-001348 OSCILLATOR-VCTCXO
TCX100 2809-001351 OSCILLATOR-VCTCXO
F600,F601 2901-001462 FILTER-EMI
F605 2901-001463 FILTER-EMI
F603,F604 2901-001470 FILTER-EMI
F201 2904-001759 FILTER-SAW
F104 2904-001789 FILTER-SAW
F100 2904-001868 FILTER-SAW

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Main Electrical Parts List
5-6
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Design LOC SEC CODE Description
F101 2904-001869 FILTER-SAW
F200 2909-001299 FILTER-DUPLEXER
F103 2910-000062 FILTER
F102 2910-000092 FILTER
MIC500 3003-001136 MIC
L207 3301-001438 CORE-FERRITE BEAD
L201,L202 3301-001534 CORE-FERRITE BEAD
L501,L502 3301-001812 CORE-FERRITE BEAD
L203,L204,L205 3301-001820 CORE-FERRITE BEAD
L500,L509,L510,L513 3301-001885 CORE-FERRITE BEAD
L505,L511 3301-001986 CORE-FERRITE BEAD
CN100 3705-001731 CONNECTOR-COAXIAL
HDC600 3708-002162 CONNECTOR
HDC401,HDC500 3710-002632 CONNECTOR-SOCKET
HEA600 3711-006101 CONNECTOR-HEADER
HDC400 3711-006923 CONNECTOR-HEADER
BTC600 3711-007312 CONNECTOR-HEADER
ANT103 3712-001348 CONNECTOR
ANT100,ANT101,ANT200 3712-001361 CONNECTOR
ANT201 3712-001361 CONNECTOR
IFC500 3722-003065 JACK-PHONE
BT_ANT 4202-001524 LDA212G6910F-293
LED600 GH59-08444A CHP-C4040-200-PB2016
SC101,SC102,SC103 GH70-04443A ONBOARD-CLIP
SC104,SC105,SC106 GH70-04443A ONBOARD-CLIP
SC107,SC108 GH70-04443A ONBOARD-CLIP
Please consult the GSPN website (Samsung Portal) for the most recent version of the product's
part list.

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7. Level 2Repair
7-1
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7-1. Disassembly and Assembly Instructions
7-1-1. Disassembly
Disassemble RF COVER at REAR
1 2
3Disassemble FRONT from REAR Detach Side key FPCB.
4
Release Screw 7Point at REAR
1) Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage!
1) Lift FRONT upward. 1) Detach Power Key FPCB and Cammera Key FPCB.
2) Be careful not to damage to FPCB (Use tweezer!)

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7. Level 2Repair
7-2
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8
7Disassemble Module from PBA.
5Disassemble FPCB. Disassemble Main PBA from the FRONT Ass'y
6
Complete disassembly.
1) Detach LCD FPCB.
2) Detach Earjack FPCB.
1) Hold up Main PBA from left.
2) Detach T-flash FPCB.
1) Disassemble SPK Module from PBA.
2) Disassemble Cammera Module from PBA

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7. Level 2Repair
7-3
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7-1-1. Assembly
12
34
Set aPBA and FRONT Ass'y.
Assemble PBA on FRONT Ass'y.
Assemble T-Flash FPCB.
Assemble Camera module and SPK module.
1) Assemble Camera module on PBA.
2) Assemble SPK module and FPCB on PBA
1) Be careful not to make damage to FPCB 1)

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7. Level 2Repair
7-4
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56Assemble PBA on FRONT Ass'y.
Assemble PBA on FRONT Ass'y.
Assemble RF Cover, and complete assembly
7Assemble FRONT Ass'y on REAR. 8
1) Assemble Power Key FPCB and Cammera Key FPCB.
2) Be careful not to damage to FPCB.
1) Assemble LCD FPCB on PBA.
1) Assemble Earjack FPCB FPCB on PBA.
1) Be careful not to make scratch and molding damage!
2) Drive Screws at 6 points with torque 1.1 +/- 0.1 Kgf/ɜ.1) Be careful not to make scratch and molding damage!

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8. Level 3Repair
8-1
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8-1. Block Diagram
SD CARD
USB
Switch
u-USB
IF
Flash LED
Driver
Flash
LED
4Gb
oneNAND
2Gb SDR
SDRAM
EARPHONE

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Level 3Repair
8-2
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8-2. PCB Diagrams
8-2-1. Top

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Level 3Repair
8-3
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8-2-2. Bottom

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Level 3Repair
8-4
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Check the power
VAMP1_3.0V(C436)
VANLG1_3.0V(C441)
VDD_1.2V(C426)
VUSB_3.3V_NVM(C434)
VDDORF2_2.5V(C432)
VCORE_1.2V(C415)
VBBD_2.9V(C440)
VMEM_1.8V(C416)
VSIM_3.0V(C424)
VDDAUX1_2.9V(C439)
VANLG2_3.0V(C430)
8-3-1. Power On
Put more lead soler
each terminal
inner clock problem.
Put more lead solder
each terminal
1.Charge the Battery.
2.If 0V, put more lead
@C606, C608
NO
NO
YES
Check the VBAT Voltage
@C606 or C608 >=3.3V
YES
NO
Download binary again
NO
Current consumption
>= 100mA?
NO
YES
END
Is the soldered status of
KEY701(ON KEY) O.K?
YES
1.Put more lead each terminal
2.Replace KEY701
NO
YES
YES
Is It power turned on?
YES
NO
Back to
previous step
If you #1 try and fail,
do #2!!!
Replace Board(PBA)
"Power On"does not work
power management problem.
Put more lead solder
each terminal
Check the OSC400
(C406,410)=32.768KHz?
Check the TCX100
@C153=26MHz?

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Level 3Repair
8-5
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Level 3Repair
8-6
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C153

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Level 3Repair
8-7
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8-3-2. SIM part
Check the connection of
HDC401 to SIM card
insert SIM card again
after check connection HDC401
Check the connection
C450,C451,C453 Put more lead each terminal
NO
YES
YES
NO
END
Does Phone accept
the SIM card?
YES
NO
Put more lead each terminal
YES
Back to
previous step
Replace Board(PBA)
Check the voltage
@C452 =3.0V?
NO
"Insert SIM card" is displayed on the LCD

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Level 3Repair
8-8
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