Samsung SGH-E316 User manual
SGH-E316
SERVICE
Manual
GSM TELEPHONE CONTENTS
1. General Introduction
2. Specification
3. Circuit Description
4. Test Command & Test Procedure
5. Flow Chart of Troubleshooting
6. Exploded Views and Parts List
7. Electrical Parts List
8. Block Diagrams
9. PCB Diagrams
GSM TELEPHONE
ELECTRONIC
S
Samsung Electronics Co.,Ltd. JUNE. 2004
Printed in Korea.
Code No.: GH68-05425A
BASIC.
ⓒ
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 Proprietary-Contents may change without notice
1. SGH-E316 General Introduction
This Document can not be used without Samsung's authorization
1-1
The SGH-E316 Dual Band phone functions as digital phone working in GSM
(Global System for Mobile communications)850 and PCS(Personal
Communication System)1900 modes.
● Dimension : 79x42x22 mm (with Standard Batt.
● Weight : 70g (with Standard Battery)
● LCD -.Internal LCD : 65K" TFT Color LCD (128 x 128), small LCD 65K TFT Color LCD
● R/F band : GSM850MHz+ PCS1900 MHz
● Vocoder : EFR + FR +AMR
● Antenna : Fixed type
●
●
● Handset + Standard Battery + TA
+EarPhone
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2. SGH-E316 Specification
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2-1
GSM850 PCS1900
Freq. Band[MHz]
Uplink/Downlink 824~849
869~894 1850~1910
1930~1990
ARFCN range 128~251 512~810
Tx/Rx spacing 45MHz 80MHz
Mod. Bit rate/
Bit Period 270.833kbps
3.692us 270.833kbps
3.692us
Time Slot Period/Frame Period 576.9us
4.615ms 576.9us
4.615ms
Modulation 0.3GMSK 0.3GMSK
MS Power 33dBm~13dBm 30dBm~0dBm
Power Class 5pcl~15pcl 0pcl ~ 15pcl
Sensitivity -102dBm -100dBm
TDMA Mux 8 8
Cell Radius 35km -
1. GSM General Specification
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SGH-E316 Specification
2-2
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2. GSM TX power class
TX Power
control level GSM900
533±2dBm
631±2dBm
729±2dBm
827±2dBm
925±2dBm
10 23±2dBm
11 21±2dBm
12 19±2dBm
13 17±2dBm
14 15±2dBm
15 13±2dBm
16 11±2dBm
17 9±2dBm
18 7±2dBm
19 5±2dBm
TX Power
control level PCS1900
030±3dBm
128±3dBm
226±3dBm
324±3dBm
422±3dBm
520±3dBm
618±3dBm
716±3dBm
814±3dBm
912±4dBm
10 10±4dBm
11 8±4dBm
12 6±4dBm
13 4±4dBm
14 2±5dBm
15 0±5dBm
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4. SGH-E316 Test Command & Test Procedure
4-1
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1. Calibration Equipment
-HP8960
- DC Power Supply
-TestJig
- Configuration
HP8960
RF
+ --
TEST JIG
Serial
P C
GPIB
Serial
DC POWER SUPPLY
GPIB
+
2. Calibration Program
- Samsung internal software
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SGH-E316 Test Command & Test Procedure
4-2
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3. Tx Power Tune up Procedure
1) Procedure:
a. Calibraion equipment HP8960 and the cell phone are connected through
RF cable.
b. Target power ( required power level according to the specification which
should be set by calibration program) is set to equipment as power level
(ex: GSM 5 level is 32.5 dBm).
c. Activate phone in Tx_Mode_Only.
d. HP8960 equipment measures transmitted power through rf test cable from
the phone and reports measured level to calibration program.
e. The program compares measured power with the target power.
f. The calibration program decides power code which is defined in advance
in the program and writes the codes to the flash memory in the phone.
2) Target value is defined according to the value of GSM specification.
See the TX power level definition table below.
3) Target values of the peak level of the phone are set normally in conducted
mode
–GSM 5 level : 32.5dBm
- PCS 0 level : 29.5dBm (Tolerance : -2dB ~ +1dB )
4) Accuracy
All the TX level from the phone after tuned-up satisfy the GSM
specification
5) TX ramp mask specification applied to the calibration program:
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SGH-E316 Test Command & Test Procedure
4-3
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5. SGH-E316 Flow Chart of Troubleshooting
5-1
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1.Baseband
1. Power ON
Current consumption
>=100mA
Power On does not work
Voltage >= 3.3V
Download again
Charge the Battery
pin#J12 >= 2.8V Check U102 and C126
pin#A13 and pin#A14
=2.8V
Check U102 and C127
Freq = 13MHz ,
Vrms ≥ 300mV and
Vpp 뵃900mVpp
Check the clock generation circuit
(related to OSC402)
END
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No
pin#G11 = 1.8V No
Yes
Check the V bat. Voltage
Check the pin of U102
Check the clock signal at pin#28 of U403
Check the initial operation
Check the current consumption
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SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
5-2
This Document can not be used without Samsung's authorization
2. Initial
The pin #G11 of U102 = 1.8V
and
the pin #J12 of U102 뵃
2.825V ?
Initialization Failure
Check the U102
(If it has some problem, it has to be replaced.)
END
No
Yes
Is the pin #K9 of U102
"Low -> High"?
Yes
Check the U302
There is 32.768kHz wave
forms at the C319 and C320
Check the LCD Part
Yes
No
No
Yes
Yes
Yes
The Voltage is "High" at the
C123,C124,C125
Check the Audio Part
No
Check the U102
(If it has some problem, it has to be replaced.)
Check the U403
Thepin#A4ofU102is"High"
Check the U102
LCD display is O.K
No
No
Yes
Yes
Sound is O.K
No
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