Samsung SGH-U700 service manual, samsung service manuals schematy serwisowki
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GSM TELEPHONE
SGH-U700
GSM TELEPHONE
CONTENTS
1. Specification
2. Exploded View and Parts list
3. Chart of Troubleshooting
4. Array course control
5. Block Diagrams
6. PCB Diagrams
7. MAIN Electrical Parts List
8. Reference data
9. Safety Precautions
10. Product Function
Contents
1. Specification
1-1. GSM/CDMA General Specification ...........................................................................1-1
1-2. GSM TX power class ...............................................................................................1-2
2. Exploded View and Parts list
2-1.
Cellular phone Exploded View
..................................................................................2-1
2-2.
Cellular phone Parts list
............................................................................................2-2
2-3.
Disassembly
...............................................................................................................2-4
2-4.
Assembly
..................................................................................................................2-14
3.
ChartofTroubleshooting
3-1.
Baseband
............................................................................................................3-1
3-1-1.
Power ON
.....................................................................................................3-1
3-1-2.
System Initial
................................................................................................3-6
3-1-3.
SIM Part
.......................................................................................................3-8
3-1-4.
Charging Part
.............................................................................................3-10
3-1-5.
Microphone Part
.........................................................................................3-13
3-1-6.
Speaker Part
..............................................................................................3-16
3-1-7.
Receiver Part
.............................................................................................3-20
3-1-8.
Camera Part
..............................................................................................3-22
3-1-9.
LCD
.............................................................................................................3-26
3-2.
RF
......................................................................................................................3-13
3-2-1.
EGSM Receiver
.........................................................................................3-30
3-2-2.
EGSM Transmitter
.....................................................................................3-31
3-2-3.
DCS Receiver
............................................................................................3-32
3-2-4.
DCS Transmitter
........................................................................................3-33
3-2-5.
PCS Receiver
.............................................................................................3-34
3-2-6.
PCS Transmitter
.........................................................................................3-35
3-2-7.
UMTS Receiver
..........................................................................................3-40
3-2-8.
UMTS Transmitter
......................................................................................3-41
3-2-9.
BLUETOOTH
..............................................................................................3-45
Contents
4. Array course control
4-1. Downloading Binary Files ......................................................................................4-2
4-2.
Pre-requsite for Downloading
................................................................................4-2
4-3. S/W Downloader Program .....................................................................................4-3
5. Block Diagrams
6. PCB Diagrams
7. MAIN Electrical Parts List
8.
Reference data
8-1.
Reference Abbreviate
..............................................................................................8-1
9. Safety Precautions
9-1.
Repair Precaution
......................................................................................................9-1
9-2.
ESD(Electrostaically Sensitive Devices) Precaution
................................................9-2
10. Product Function
1. Specification
1-1. GSM/WCDMA General Specification
EGSM 900
Phase 2
DCS1800
Phase 1
PCS1900
WCDMA
Freq. Band[MHz]
Uplink/Downlink
880~915
925~960
1710~1785
1805~1880
1850~1910
1930~1990
1920~1980
2110~2170
ARFCN range
0~124 &
975~1023
512~885
512~810
10562~10838
Tx/Rx spacing
45 MHz
95 MHz
80 MHz
190 MHz
Mod. Bit rate/
Bit Period
270.833 kbps
3.692 us
270.833 kbps
3.692 us
270.833 kbps
3.692 us
3.84 Mcps/s
Time Slot
Period/Frame
Period
576.9 us
4.615 ms
576.9 us
4.615 ms
576.9 us
4.615 ms
10 ms
Modulation
0.3 GMSK
0.3 GMSK
0.3 GMSK
UL:2BPSk
DL:QPSK
MS Power
33 dBm~5 dBm 30 dBm~0 dBm 30 dBm~0 dBm
MAX:24(+1,-3) dBm
MIN:<-50 dBm
Power Class
5 pcl ~19pcl
0 pcl ~15pcl
0 pcl ~15pcl
CLASS3
Sensitivity
-102 dBm
-100 dBm
-100 dBm
-106.7 dBm
TDMA Mux
8
8
8
-
Cell Radius
35 Km
2 Km
-
-
1-1
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This Document can not be used without Samsung's authorization
Specification
1-2. GSM TX power class
TX Power
control level
EGSM900
TX Power
control level
DCS1800
TX Power
control level
PCS1900
5
33±2 dBm
0
30±3 dBm
0
30±3 dBm
6
31±2 dBm
1
28±3 dBm
1
28±3 dBm
7
29±2 dBm
2
26±3 dBm
2
26±3 dBm
8
27±2 dBm
3
24±3
dBm
3
24±3 dBm
9
25±2 dBm
4
22±3 dBm
4
22±3 dBm
10
23±2
dBm
5
20±3 dBm
5
20±3 dBm
11
21±2 dBm
6
18±3 dBm
6
18±3 dBm
12
19±2 dBm
7
16±3 dBm
7
16±3
dBm
13
17±2 dBm
8
14±3 dBm
8
14±3 dBm
14
15±2 dBm
9
12±4 dBm
9
12±4 dBm
15
13±2 dBm
10
10±4 dBm
10
10±4 dBm
16
11±3 dBm
11
8±4 dBm
11
8±4 dBm
17
9± 3dBm
12
6±4 dBm
12
6±4
dBm
18
7±3 dBm
13
4±4 dBm
13
4±4 dBm
19
5±3 dBm
14
2±5 dBm
14
2±5 dBm
15
0±5 dBm
15
0±5 dBm
1-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
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