Samsung SGH-D410 service manual, SAMSUNG, SERIA D, SGH-D410
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GSM TELEPHONE
SGH-D410
SERVICE
Manual
GSM TELEPHONE
CONTENTS
1. Specification
2. Flow Chart of Troubleshooting
3. Exploded Views and Parts List
4. Electrical Parts List
5. Block Diagrams
6. PCB Diagrams
1. SGH-D410 Specification
1. GSM General Specification
GSM900
Phase 1
EGSM 900
Phase 2
DCS1800
Phase 1
PCS1900
Freq. Band[MHz]
Uplink/Downlink
890~915
935~960
880~915
925~960
1710~1785
1805~1880
1850~1910
1930~1990
ARFCN range
1~124
0~124 &
975~1023
512~885
512~810
Tx/Rx spacing
45MHz
45MHz
95MHz
80MHz
Mod. Bit rate/
Bit Period
270.833kbps
3.692us
270.833kbps
3.692us
270.833kbps
3.692us
270.833kbps
3.692us
Time Slot
Period/Frame Period
576.9us
4.615ms
576.9us
4.615ms
576.9us
4.615ms
576.9us
4.615ms
Modulation
0.3GMSK
0.3GMSK
0.3GMSK
0.3GMSK
MS Power
33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
Power Class
5pcl ~ 15pcl
5pcl ~ 19pcl
0pcl ~ 15pcl
0pcl ~ 15pcl
Sensitivity
-102dBm
-102dBm
-100dBm
-100dBm
TDMA Mux
8
8
8
8
Cell Radius
35Km
35Km
2Km
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SGH-D410 Specification
2. GSM TX power class
TX Power
control
level
GSM900
TX Power
control
level
DCS1800
TX Power
control
level
DCS1800
5
33±2dBm
0
30±3dBm
0
30±3dBm
6
31±2dBm
1
28±3dBm
1
28±3dBm
7
29±2dBm
2
26±3dBm
2
26±3dBm
8
27±2dBm
3
24±3dBm
3
24±3dBm
9
25±2dBm
4
22±3dBm
4
22±3dBm
10
23±2dBm
5
20±3dBm
5
20±3dBm
11
21±2dBm
6
18±3dBm
6
18±3dBm
12
19±2dBm
7
16±3dBm
7
16±3dBm
13
17±2dBm
8
14±3dBm
8
14±3dBm
14
15±2dBm
9
12±4dBm
9
12±4dBm
15
13±2dBm
10
10±4dBm
10
10±4dBm
16
11±2dBm
11
8±4dBm
11
8±4dBm
17
9±2dBm
12
6±4dBm
12
6±4dBm
18
7±2dBm
13
4±4dBm
13
4±4dBm
19
5±2dBm
14
2±5dBm
14
2±5dBm
15
0±5dBm
15
0±5dBm
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2. SGH-D410 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
Check the VBAT
more than 3.3V
Charge the Battery
Yes
Check the pin
11 of U102 is more
than 2.8V
No
Check the C117
Yes
U102 pin 33,39
=2.8V
No
U102 pin 9
=1.8V
No
Check U102 and C116
Yes
Yes
Check the clock
signal at pin4 of
OSC801
Freq=13MHz ?
Vrms≥300mV ?
Vpp is around
900mVpp ?
No
Check the clock generation
circuit
Yes
Check the initial operation
END
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SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams
2. Initial
Initial Failure
Yes
Check the signal at the
pin21ofU102is
"High" when the phone
is boot on
No
Check the pin 46,20 and Q103
Yes
Check the key metrix
of the U601
No
Check the key program and
the key pcb
Yes
Check the
VCCD,VCC_1.8A
of U601
No
Check the soldered status of
U601,OSC601
Yes
Check the vccd of
U601 is around 2.8V
No
Check the soldered status of
U601,osc601
Yes
Check LCD connector CN201 in the main
PBA and the FPCB connector
Yes
END
3. Sim Part
Phone can't access SIM card
Yes
Check the pin 1 of
CN101. voltage 3V ?
No
Check the circuit related to
U102
Yes
Check the SIM
connector's (CN101)
connection to SIM
card
No
Resolder or change CN101
Yes
Check the circuit around CN101
input
circuitry
No
Check the related circuit of
CN101
Yes
Check the circuit around U601
output
and vlotage supply circuitry
No
Check the related circuit of
U601 and U102
Yes
END
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