Samsung GT-B7350 User manual

GSM TELEPHONE
GT-B7350
1. Safety Precautions
2. Specification
3. Product Function
4. Exploded View and Parts list
5. MAIN Electrical Parts List
6. Level 1Repair
7. Level 2Repair
8. Level 3Repair
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

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. 07. 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)

2. Specification
2-1
2-1. GSM General Specification
GSM850
Phase 1
EGSM 900
Phase 2
DCS1800
Phase 1 PCS1900 WCDMA210 0WCDMA900
Freq.
Band[MHz]
Uplink/Downlin
k
824~849
869~894
880~915
925~960
1710~1785
1805~1880
1850~1910
1930~1990
1922~1977
2112~2167
880~915
925~960
ARFCN range 128~251 0~124 &
975~1023 512~885 512~810
UL:9612~98
88DL:10562
~10838
UL:2712~28
63,DL:2937
~3088
Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz 190MHz 45MHz
Mod. Bit rate/
Bit Period
270.833kbp
s
3.692us
270.833kbp
s
3.692us
270.833kbp
s
3.692us
270.833kbp
s
3.692us
3.84Mcps 3.84Mcps
Time Slot
Period/Frame
Period
576.9us
4.615ms
576.9us
4.615ms
576.9us
4.615ms
576.9us
4.615ms
FrameLengt
h:
10ms
Slotlength:
0.667ms
FrameLengt
h:
10ms
Slotlength:
0.667ms
Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK QPSKHQPS
K
QPSKHQPS
K
MS Power 33dBm~5dB
m
33dBm~5dB
m
30dBm~0dB
m
30dBm~0dB
m
24dBm~-
50dBm
24dBm~-
50dBm
Power Class 5pcl ~
19pcl 5pcl ~19
pcl 0pcl ~15 pcl 0pcl ~15 pcl 3(max+24dB
m)
3(max+24dB
m)
Sensitivity -102dBm -102dBm -100dBm -100dBm -106.7dBm -106.7dBm
TDMA Mux 8 8 8 8 88
Cell Radius 35Km 35Km 2Km 2Km 2Km 2Km

Specification
2-2
2-2. GSM Tx Power Class
TX Power
control
level
GSM850
533±2
dBm
631±2
dBm
729±2
dBm
827±2
dBm
925±2
dBm
10 23±2 dBm
11 21±2 dBm
12 19±2 dBm
13 17±2 dBm
14 15±2 dBm
15 13±2 dBm
16 11±3 dBm
17 9±3dBm
18 7±3 dBm
19 5±3 dBm
TX Power
control
level
EGSM900
533±2
dBm
631±2
dBm
729±2
dBm
827±2
dBm
925±2
dBm
10 23±2 dBm
11 21±2 dBm
12 19±2 dBm
13 17±2 dBm
14 15±2 dBm
15 13±2 dBm
16 11±3 dBm
17 9±3dBm
18 7±3 dBm
19 5±3 dBm
TX Power
control
level
DCS1800
030±3
dBm
128±3
dBm
226±3
dBm
324±3
dBm
422±3
dBm
520±3
dBm
618±3
dBm
716±3
dBm
814±3
dBm
912±4
dBm
10 10±4 dBm
11 8±4 dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm
TX Power
control
level
PCS1900
030±3
dBm
128±3
dBm
226±3
dBm
324±3
dBm
422±3
dBm
520±3
dBm
618±3
dBm
716±3
dBm
814±3
dBm
912±4
dBm
10 10±4 dBm
11 8±4 dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm

SAMSUNG Proprietary-Contents may change without notice
3. Operation Instruction and Installation
3-1
This Document can not be used without Samsung's authorization
Main Function
•GSM(2G EDGE/GPRS)850/900/1800/1900, WCDMA(3G HSDPA)W900/W2100
•HSDPA 7.2 Mbps
•2.62”
TFT Touch (R-type)
•Music player, Voice Recorder
•A-GPS /Bluetooth v2.0+EDR /WiFi (802.11 b/g)
•3M
Camera(AF)
•FM Radio Receiver
•USB 2.0 Full Speed
•Windows Mobile 6.5
•SMS/MMS/Email

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6. Level 1Repair
6-1
This Document can not be used without Samsung's authorization
6-1. Software Download
6-1-1. Pre-requisite for Download
ㆍDownloader Program (MSM7x27 &MSM7X25_MultiDownloader.exe)
ㆍGT-B7350 Mobile Phone
ㆍData Cable
ㆍJIG BOX (GH99-36900A)
ㆍRF Test Cable (GH39-00985A)
ㆍJIG Cable (GH39-01338A)
ㆍAdapter (GH99-38251A)
ㆍBinary files
-Diagram of Connection:
PC
Mobile Phone(with Battery)
Data Cable

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Level 1Repair
6-2
This Document can not be used without Samsung's authorization
6-1-2. S/W Download Process
1. Load the binary download program by executing the
"MSM7x27 &MSM7X25_MultiDownloader.exe"

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Level 1Repair
6-3
This Document can not be used without Samsung's authorization
2. Set the Download program
(1).Load "phone,Eboot,PDA,CSC,LangPak" files
(2) Check "CSC Priority Bit" and "Select/Deselet All"

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Level 1Repair
6-4
This Document can not be used without Samsung's authorization
3. COM Port Mapping change to Green Color when the phone with download mode is
connected to PC by data cable.
cf. You have to set the phone as adownload mode by pressing Volume down +Hold key +
End key simultaneously before connecting to PC .

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Level 1Repair
6-5
This Document can not be used without Samsung's authorization
4. Click the Start button when the Port searched.