GSM TELEPHONE

SGH-E300

SERVICE

1. 2. 3. 4. 5. 6.

Manual

CONTENTS
Specification Flow Chart of Troubleshooting Exploded Views and Parts List Electrical Parts List Block Diagrams PCB Diagrams
1. SGH-E300 Specification
1. GSM General Specification
GSM900 Phas e 1 Fr eq. Band[MHz] Uplink/ Downli nk ARFCN r ange 890~915 935~960 1~124 EGSM 900 Phas e 2 880~915 925~960 0~124 & 975~1023 45MHz 270.833kbps 3.692us 576.9us 4.615ms 0.3GMSK 33dBm~5dBm 5pcl ~ 19pcl -102dBm 8 35Km DCS1800 Phas e 1 1710~1785 1805~1880 512~885
Tx/ Rx s paci ng Mod. Bit rate/ Bit Period Ti me Slot Peri od/Fr ame Per iod Modulati on MS Power Power Cl a ss Sensit ivit y TDMA Mux Cell Radius
45MHz 270.833kbps 3.692us 576.9us 4.615ms 0. 3 GM S K 33dBm~13dBm 5pcl ~ 15pcl - 102dBm 8 35Km
95MHz 270.833kbps 3.692us 576.9us 4.615ms 0. 3 GM S K 30dBm~0dBm 0pcl ~ 15pcl - 100dBm 8 2Km
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization

SGH-E310 Specification

2. GSM TX power class

TX Power control level

GSM900

DCS1800

332 dBm

303 dBm

312 dBm

283 dBm

292 dBm

263 dBm

272 dBm

243 dBm

252 dBm

223 dBm

232 dBm

203 dBm

212 dBm

183 dBm

192 dBm

163 dBm

172 dBm

143 dBm

152 dBm

124 dBm

132 dBm

104 dBm

113 dBm

64 dBm

73 dBm

44 dBm

53 dBm

25 dBm

15 1-2

05 dBm

2. SGH-E300 Flow Chart of Troubleshooting 1.Baseband

1. Power ON

'Power On' does not work Yes
Check the current consumption more than 100mA

No Download again

Yes No Charge the Battery
Check the Voltage more than 3.3V
Check the pin 11 of U102 is more than 2.8V

No Check U102 and C117

Yes No U102 pin 33,39 = 2.8V Yes Yes U102 pin 9 = 1.8V No Check U102 and C116
Check the clock signal at pin4 of OSC801 Freq=13MHz ? Vrms300mV ? Vpp is around 900mVpp ?
Check the clock generation circuit
Yes Check the initial operation
SGH-E300 Flow Chart of Troubleshooting and Circuit Diagrams

2. Initial

Initial Failure Yes
Check the signal at the pin 19 of U102 is "High" when the phone is boot on

No Check U102

Yes No Check the U701
Check the pin 25 of U100 is "High" Yes Check the pin 4 of OSC801 is around 2.8V Yes Check LCD connector CN201, and resolder bridge Yes END
Check the soldered status of OSC801,R801,U102

3. Sim Part

Phone can't access SIM card Yes Check the pin 1 of CN100. voltage 3V ? Yes Check the SIM connector's (CN100) connection to SIM card Yes Check the circuit around CN100 input circuitry Yes Check the circuit around U601 output and vlotage supply circuitry Yes END No Check the related circuit of U601 and U102 No Check the related circuit of CN100 No Check the circuit related to U102
No Resolder or change CN100

4. Charging Part

Abnormal charging part Yes Check the pin 17, 18 of CN300 is TA_VEXT>4? Yes Check the pin 2 of Q102 is "low"? Yes Check the pin 3 of Q100 is "low"? Yes Check the pin 5 of Q102 is "3.2~4.2V"? Yes No Check the Q102 No Check the Q100 No Check the Q102 No

Replace TA,Check CN300

Check the ICHRG is 1V(during charging) and around 180mV(full charging)? No Resolder or change R102

Yes END

( Picture 1)

(Picture 2)

(Picture 3)

5. Microphone Part

Microphone does not work Yes check the soldered status of microphone. Yes No Resolder microphone
Check the reference voltage on mic path C431 2.5 V
Resolder or change R424,C431,R413,C410,R408,R411
Yes No Is microphone ok? Yes END Check U701

6. Speaker Part

Speaker does not work Yes Check the connection from CN201 to LCD module Yes Check the PIN 4 of U401='High' and U409='High'? Yes No Is speaker ok? No Check U601 No Check the circuit related to U401

Check U701

Yes Is speaker ok? Yes END No Change Speaker

7. Camera Part

"Camera" function dose not work Yes Check the connect CN201 No Connect the camera module
Yes No U1002 PIN 9,10 = 2.8V? Check U1002 and C1022,C1021
Yes No R1020 = 25MHz Check U1001 and OSC1000

1. EGSM RX

CONTINUOUS RX ON RF INPUT : 62CH
NORMAL CONDITION catch the channel?
CHECK ANT701,L905 contact ?

AMP : -50dBm

F900 CHECK pin8 -65dBm ?
C900, F901 resolder or change
F900 CHECK pin2,3 -65dBm ?

F900 resolder or change

U800 CHECK pin20,21 -65dBm ?
C912,C913,L901 resolder or change

U800 pin 9,32: 2.8V ?

U102 pin39, C112 change or resolder
U800 CHECK pin 8 : 13MHz ? change or resolder Vp-p : 950mV?

OSC801

U800 pin1,2,3,28 Vp-p : 120mV ?

U800 resolder or change

U701 CHECK!!

2. DCS RX

CONTINUOUS RX ON RF INPUT : 698CH
F900 CHECK pin4,5 -65dBm ?
U800 CHECK pin18, 19 -65dBm ?
C914,C915,L902 resolder or change

U800 pin 9, 32: 2.8V ?

U800 CHECK pin 8 : 13MHz ?
OSC801 change or resolder

Vp-p : 950mV?

3. EGSM TX
F900 pin 13 : about 2~3 dBm?

F900 pin1 : 2.8 V?

U702,U703 check & change

CONTINUS TX ON CONDITION

TX POWER DAC: 600 CODE APPLIED CH : 62 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm

YES YES

F901, C900,L905 check&change U900 pin12 :

about 4~5dBm?

F900 check & change

ATT. : 20dB

U900 pin8,20 : 3.7 V?
BATTERY, U102 check & change

U900 pin 22 : 1.6V ?

U701 check

YES NO

U900 pin6 about : -5dBm ?

U900 pin 2 : 3V?

U900 change or resolder U701 check

U800 pin9,32 : 2.8V ?

U800 U102 pin39, C112 change or resolder pin8 : 13MHz ?

U800 pin4,5,6,7:100mV?

U701 U800 change or resolder change or resolder

5. DCS TX

F900 pin6 : 2.8 V?
CONTINUOUS TX ON CONDITION CH : 698CH(DCS) TX POWER CODE: 520 CODE Aplied
F901, C900,L905 check&change U900 pin11 :
RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV. : 10dBm

U900 pin 22 : 1.4V ?

U900 pin5 about : -5dBm ?
U800 U102 pin39, C112 pin8 : 13MHz ? change or resolder Vp-p : 950mV?

(Picture 1)

3. SGH-E300 Exploded View and its Parts list
1. Cellular phone Exploded View

QFU01 QVO01

QMP01 QLC66 QVK01 QMI01 QAN01 QME02 QIF02 QSP01 QMO02

QRE01 QFL01

QCR06 QSC03 QRF01 QCR04 QSC05 QSC08 QBA21 QMW01
SGH-E300 Exploded view and its Part list
2. Cellular phone Parts list Location NO.
QFU01 QLC66 QSP01 QMO02 QCA01 QCR04 QSC05 QSC08 QFL01 QMW01 QFR01 QVO01 QKP01 QMP01 QVK01 QME02 QMI01 QIF02 QCK01 QAN01 QRE01 QRF01 QCR06 QBA21

Description

F/UPPER ASSY LCD SPEAKER MOTOR CAMERA SCREW SCREW SHEET-L SCREW SHEET-R F/LOWER ASSY LCD WINDOW ASSY FRONT ASSY VOLKEY KEYPAD ASSY PBA MAIN UNIT VOLKEY UNIT METAL DOME MICROPHONE ASSY IF COER CAMKEY ANTENNA REAR COVER RF COVER SCREW BATTERY

SEC CODE

GH75-04391A GH07-00552A 3001-001484 3101-001328 GH59-01102A 6001-001479 GH74-06866A GH74-06867A GH75-04392A GH75-03874A GH75-03867A GH75-04736A GH75-03939A GH92-01581A GH59-01016A GH59-01097A GH30-00062A GH73-01394A GH75-04735A GH42-00362A GH75-03868A GH72-14790A 6001-001155 GH43-01234A

Remark

SGH- E300 Exploded view and its Part list
3. Test Jig (GH80-00865A)
3-1. RF Test Cable (GH39-00090A)
3-2. Test Cable (GH39-00127A)

3-3. Serial Cable

3-4. Power Supply Cable
3-5. DATA CABLE (GH39-00159A)

3-6. TA (GH44-00184A)

4. SGH-E300 MAIN Electrical Parts List

SEC Code

GH92-01581A 0403-001427 0406-001150 0406-001150 0406-001150 0406-001150 0406-001150 0406-001150 0406-001150 0406-001184 0501-000225 0502-001201 0504-000168 0504-001042 0506-001052 0601-001790 0601-001790 0601-001790 0601-001790 0601-001790 0601-001790 0604-001261 1001-001183 1009-001010 1109-001281 1201-002078 1203-002127 1203-002861 1203-002902 1204-001984 1204-002161 1209-001219 2007-000070 2007-000138 2007-000140 2007-000140 2007-000140 V302,ZD205 V301,ZD201,ZD202 ZD203,ZD204,ZD301 ZD302,ZD303,ZD304 ZD305,ZD306,ZD307 ZD308,ZD309,ZD310 ZD311,ZD312,ZD401 ZD402,ZD403,ZD404 V307 Q401 Q100 Q103,Q104 U702,U703 Q102 LED201,LED202,LED203 LED204,LED205,LED207 LED208,LED210,LED211 LED212,LED213,LED214 LED218,LED219,LED220 LED221,LED222 LED217 U401 U202 U500 U900 U101 U1002 U102 U701 U402 U602 L905 R804 R304,R305,R306,R307 R308,R309,R310,R312 R313,R420,R424

C913 C912

C915 C914

R425 C430

LED217

C102 C105 C104

C613 C615

R413 C710 C412 R411 R408

R500 R604

C709 C706 C711 R702 C701 R703 C712

C502 R111 C504 R501 C507

R602 C612 R606 C614 R607 R608
C707 C803 R803 C801 R802 C802

C608 C606

C604 C609
C601 C602 C607 R603 R601 R605 C610 C611 C603 C605
C242 C221 C219 C215 C207 C208

LED220

LED202 LED210

C250 C231 C233

C404R403 R401

C255 C253 C216

END_PWD

LED208 LED201

LED213

LED203 LED207

LED222

LED214

LED221

LED211

LED204

LED205

TRST_1 TDI_1 TMS_1 TCK_1 F_WE_1 ND_2 TDO_1 G

2. Main Bottom Diagram

ZD312 ZD307 ZD308 ZD303

C415 C411

SGH-E300 PCB Diagrams

MIC401

ZD306 ZD305 ZD304 ZD302
ZD311 ZD310 ZD309 ZD301 V301

LED212

LED219 LED218

ELECTRONICS

Samsung Electronics Co.,Ltd. AUG.2004

Printed in Korea.

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.
Code No.: GH68-05427A BASIC.

SAMSUNG

SAMSUNG SGH S500, E700A, E100A, X100A, X100, X600, X600A, E100, E708
At MENU, select Funbox. Then click at WWW services. Then select at Proxy Settings. Click on any one of the Profile settings. o APN GPRS: - Type vala900-int Click OK.
SAMSUNG SGH-D410C, D410, D100, D418, X120, X450, X480
Press MENU, go to Funbox and select WAP Browser Go to Settings and select Profile 1 Info. Enter Profile Name : GPRS WAP Enter Homepage URL : http://www.valamobile.com Select Security : Non-Secure Enter IP Address : Select Bearer : GPRS Enter User Name : <blank> Enter Password : <blank> APN GPRS: - Type vala900-int Click OK.
Samsung SGH X640, X640C, E800C, E800, E820,
Main Menu > Fun box o Select WWW Services o Select Proxy settings > Select Profile 1 o Proxy name : GPRS o Select GPRS setting o IP address : >Press OK o IP port : > Press OK o APN : vala900-int o Go back to previous menu o Home URL : http://www.valamobile.com To launch o Main Menu >Fun box WWW Services Bearer : GPRS only
SAMSUNG SGH-E300, E600C, E600, E715, P400, P510, C230, P408, P518
Press MENU, go to Funbox and select WAP Browser Go to Settings and select Profile 1 Infp Enter Proxy Name : GPRS WAP Enter Homepage URL : http://www.valamobile.com Select Security : Non-Secure Enter IP Address : Select Bearer : GPRS Enter User Name : <blank> Enter Password : <blank> APN Postpaid - Type vala900-int. Click OK

SAMSUNG SGH-E310C

Main Menu >Fun box o Profile name : WAP GPRS o Homepage URL : http://www.valamobile.com o Bearer : GPRS o IP Address : o APN GPRS : - Type vala900-int Click OK
SAMSUNG SGH-X460C, X460C,
Main Menu >Fun box o Select WWW Services o Select Proxy settings >Select Profile 1 o Proxy name : WAP GPRS o Select GPRS setting o Select Gateway o IP Address : >Press OK o IP port : >Press OK o APN GPRS : - Type vala900-int. Click OK
Samsung SGH - C200, S200, V200C, S300, C100, X400, X430, C110, C200N, E400, P100, Q200, S100, S300M, S308, V208
Press Menu, go to FunBox and select WAP Browser. Go to Settings and select Profile1 Info o Enter Profile Name:GPRS WAP o Enter Homepage URL: http://www.valamobile.com o Select Security: Non-Secure o Select Bearer: GPRS o Enter User Name: <blank> o Enter Password:<blank> o Enter APN: vala900-int o Press the back arrow twice key to exit Settings. o Select Home to start your Vala WAP service

Samsung SGH - V200

Press Menu, go to FunBox and select WAP Browser. Go to Settings and select Profile1 Info. o Profile Name: GPRS WAP o Homepage URL: http:// www.valamobile.com o Security: Non-Secure o IP Address: o Bearer: GPRS o User Name: <blank> o Password:<blank> o APN: vala900-int Press the back arrow key to exit Settings Select Home to start your service.

Samsung SGH - X120

Press Menu, go to FunBox and select WAP Browser. Go to WAP profile and select Profile1 Info. o Enter Profile Name: GPRS WAP o Enter Homepage URL: http://www.valamobile.com o Select Security: Non-Secure o Enter IP Address: o Enter Select Bearer: GPRS o Enter User Name: <blank> o Enter Password:<blank> o Enter APN: vala900-int Press the back arrow twice key to exit WAP Profile Select Home to start your service.

Samsung SGH - E330C

Select Menu > Funbox > WWW service Go to Proxy settings > Profile 1. Enter Proxy Name: GPRS WAP Select GPRS Setting a) Enter Gateway i) IP address : ii) IP Port : b) Enter APN : vala900-int c) Enter Login ID : d) Enter Password : Press the back arrow key to exit GPRS settings Select Home URL : http://www.valamobile.com Select Bearer : GPRS only Press the back arrows key twice to exit Proxy settings Select Current Proxy : GPRS WAP Select Home to start your WAP service. The phone will connected to WAP service via GPRS connection.

Samsung SGH - E610C

Select Menu > Funbox > WAP Browser Go to WAP Profile > Profile 1. Next, for each of the fields, enter the following accordingly: a) Profile name : GPRS WAP b) Homepage URL :http:// www.valamobile.com c) Security : Non-Secure d) Bearer : GPRS e) IP Address : f) User name : <blank> g) Password : <blank> h) APN : vala900-int Press the back arrow twice key to exit Settings
Samsung SGH - E630C, E630, P730
Select Menu > Funbox > WWW service Go to Proxy settings > Profile 1. Enter Proxy Name: GPRS WAP Select GPRS Setting a) Enter Gateway i) IP address : ii) IP Port : b) Enter APN : vala900-int c) Enter Login ID : <blank> d) Enter Password : <blank> Press the back arrow key to exit GPRS settings Select Home URL : http:// ptkonline.com ,Select Bearer : GPRS only

SAMSUNG SGH-I700

Go toStart > Settings > Connections tab Tap the Connections applet Under "My ISP", tap ?Add a new modem connection ? o Enter a name for the connection : WAP GPRS o Select a modem: Cellular Line (GPRS) Then click Next Access point name: vala900-int

Samsung SGH - E810C

Select Menu > Funbox i. Select WAP Browser ii. Select WAP Profile If wap does not exist, please proceed with below steps: - Profile name : GPRS WAP - Homepage URL :http:// www.valamobile.com - Security : Non-Secure - Bearer : GPRS - IP Address : - APN : vala900-int (for postpaid), > Press OK

4.17. SAMSUNG SGH-E720C, E720, D800, E530, E620, E770, P300, X660
Main Menu > Settings > Connection Settings If Wap GPRS does not exist > press Options > select Add new connection Or If Wap GPRS has already existed, go to Wap GPRS and press Options > select Edit (for double check the settings o Profile name : Wap GPRS o Home URL : http://www.valamobile.com o Proxy : Disable o Port : Bearer : GPRS o Press Advanced settings o APN : vala900-int (postpaid) o Press Save (2X Main Menu > Browser o Select WAP Profile o Go to Wap GPRS > press Options > select Activate To launch Main Menu > Browser > Home

SAMSUNG SGH E730

Main Menu > Browser > Profile settings If wap gprs does not exist > go to Profile # > Press Select Or If wap gprs has already existed, go to wap gprs and press select Profile name : Wap GPRS o Home URL : http://www.valamobile.com o Proxy : Disable o IP address : o Port : Bearer : GPRS o Press Advanced settings o APN : vala900-int (postpaid) o Press Save (2X Main Menu > Browser o Select WAP Profile o Go to Wap GPRS > press Options > select Activate To launch Main Menu > Browser > Home

SAMSUNG SGH X620

Main Menu > Fun box Select WWW Services Select Proxy settings > Select Profile # if wap gprs does not exist Profile name Vala 900 GPRS Home URL : http://www.valamobile.com Bearer : GPRS only Proxy use : Disable Select GPRS setting IP address : > Press OK IP port : > Press OK APN : vala900-int Main Menu >Fun box > WWW services > Current proxy Select Vala 900 GPRS To launch Main Menu >Fun box > WWW Services >Home

SAMSUNG SGH D600, D500

Main Menu > Browser > Profile settings o Go to Profile # > Press Select o Profile name : Vala 900 GPRS o Home URL : http://www.valamobile.com o Bearer : GPRS only o Proxy : Disable o Go to GPRS settings > Press OK o Proxy IP : o Proxy port : o APN : vala900-int o Press Save (2X) Main Menu >Browser o Select Current profile To launch o Main Menu > Browser >Home

SAMSUNG SGH X700

SAMSUNG SGH E770

Main Menu > Browser > Browser settings If wap GPRS does not exist, please proceed with below steps o Press options > Select Add New Connection o Profile name : Vala 900 GPRS o Home URL : http://www.valamobile.com o Proxy : Disable o IP address : o Port : o Bearer : GPRS only o Go to Advanced settings > Press OK o Proxy : Disable o APN : vala900-int o Press Save (2X) Main Menu >Browser o Select Vala 900 GPRS press OK To launch o Main Menu > Browser >Home
SAMSUNG SGH E350, E760, E360, D510, D820, D900, E370, E780, E340, E350E, E750,
Main Menu > Browser > Profile settings o Select Profile # o Profile name :GPRS o Homepage URL : http:// www.valamobile.com o Bearer : GPRS only o Proxy : Disable o Select GPRS settings o Proxy IP : o Port : o APN : vala900-int o Press Save (2X) o Press Back o Select Current profile o Go to GPRS > press Select To launch o Main Menu >Browser > Home

SAMSUNG SGH P300

Main menu > Settings > Connection settings Press options > Select Add new connection Profile name : GPRS Homepage URL : http:// www.valamobile.com Proxy Pleas uncheck IP address : Port : Bearer : GPRS Select Advanced settings Press OK APN : vala900-int Press Save (2X) Main Menu > Browser > WAP Profile Go to GPRS Press Options > Select Activate To launch Main Menu > Browser > Home

SAMSUNG Z140

Main menu >Internet > Network settings If GPRS does not exist, select Options > select New Set name : GPRS Access name : vala900-int Protocol : Home URL : http:// www.valamobile.com Gateway Address : Secure connection : Off Press Save Go to GPRS > Select OK To launch Main Menu > Browser > Home

SAMSUNG SGH P850

Main Menu > Browser > Profile settings If GPRS does not exist, please proceed with below steps o Go to Profile # > Press Select o Profile name : Vala 900 GPRS o Home URL : http://www.valamobile.com o Bearer : GPRS only o Proxy : Disable o Select GPRS settings > Press OK o Proxy IP : o Proxy port : o APN : vala900-int o Press Save (2X) Main Menu >Browser o Select Current profile To launch o Main Menu > Browser >Home

SAMSUNG SGH E870, X810

1. Open Menu Settings Connection settings 2. Press Options and then select Add new connection 3. Fill your parameters as shown below: Profile Name: Home URL: 4. If Proxy point checked then uncheck it. 5. Fill your parameters as shown below: Bearer: 6. If DNS point checked then uncheck it. 7. Select Advanced settings. 8. Fill your parameters as show below: APN: Login ID: Password:

Vala900-int GPRS ValaGPRS http://www.valamobile.com
9. Press Save two times. 10. Return to Menu and select Browser Browser settings. 11. Highlight ValaGPRS and press Options then select Activate. 12. To start WAP session return to Browser and select Home. 13. To finish WAP session press NO