Text preview for : SVC Manual for SGH-D410.pdf part of Samseng SGH-D410 SVC Manual for SGH-D410
Back to : SVC Manual for SGH-D410.p | Home
GSM TELEPHONE
SGH-D410
Manual
SERVICE
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 EGSM 900 DCS1800
PCS1900
Phas e 1 Phas e 2 Phas e 1
Fr eq. Band[MHz] 890~915 880~915 1710~1785 1850~1910
Uplink/ Downli nk 935~960 925~960 1805~1880 1930~1990
0~124 &
ARFCN r ange 1~124 512~885 512~810
975~1023
Tx/ Rx s paci ng 45MHz 45MHz 95MHz 80MHz
Mod. Bit rate/ 270.833kbps 270.833kbps 270.833kbps 270.833kbps
Bit Period 3.692us 3.692us 3.692us 3.692us
Ti me Slot 576.9us 576.9us 576.9us 576.9us
Peri od/Fr ame Per iod 4.615ms 4.615ms 4.615ms 4.615ms
Modulati on 0 . 3 GM S K 0.3GMSK 0 . 3 GM S K 0.3GMSK
MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
Power Cl a ss 5pcl ~ 15pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl
Sensit ivit y - 102dBm -102dBm - 100dBm - 100dBm
TDMA Mux 8 8 8 8
Cell Radius 35Km 35Km 2Km -
1-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
SGH-D410 Specification
2. GSM TX power class
TX Power TX Power TX Power
control GSM900 control DCS1800 control DCS1800
level level level
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
1-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
2. SGH-D410 Flow Chart of Troubleshooting
1.Baseband
1. Power ON
'Power On' does not work
Yes
No
Check the current
consumption more Download again
than 100mA
Yes
No
Check the VBAT
more than 3.3V Charge the Battery
Yes
Check the pin No
11 of U102 is more Check the C117
than 2.8V
Yes
No No
U102 pin 33,39 U102 pin 9 Check U102 and C116
= 2.8V = 1.8V
Yes Yes
Check the clock
signal at pin4 of No
OSC801 Check the clock generation
Freq=13MHz ? circuit
Vrms300mV ?
Vpp is around
900mVpp ?
Yes
Check the initial operation
END
2-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams
2. Initial
Initial Failure
Yes
Check the signal at the No
pin 21 of U102 is Check the pin 46,20 and Q103
"High" when the phone
is boot on
Yes
Check the key metrix No Check the key program and
of the U601 the key pcb
Yes
Check the VCCD,VCC_1.8A No Check the soldered status of
of U601
U601,OSC601
Yes
Check the vccd of No Check the soldered status of
U601 is around 2.8V 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
No Check the circuit related to
Check the pin 1 of
CN101. voltage 3V ? U102
Yes
Check the SIM
connector's (CN101) No
connection to SIM Resolder or change CN101
card
Yes
Check the circuit around CN101 No Check the related circuit of
input
circuitry CN101
Yes
Check the circuit around U601 No Check the related circuit of
output
and vlotage supply circuitry U601 and U102
Yes
END
2-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams
4. Charging Part
Abnormal charging part
Yes
Check the pin 17, 18 No
of CN300 is Replace TA,Check CN300-1
TA_VEXT>4?
Yes
No
Check the pin 2 of
U101 is "low"? Check the U101
Yes
No
Check the pin 3 of Check the Q101
Q101 is "low"?
Yes
Check the pin 5 of No
Check the U101
U101 is "3.2~4.2V"?
Yes
Check the ICHRG is
1V(during charging) No
Resolder or change R111
and around 180mV(full
charging)?
Yes
END
2-3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Q101
2
3
1
U101
CN101 VBAT
ISENSE
1 6
1 1 4 4 DRIVE
2 2 55 2 GND 5
VSENSE
3 3 6 6 C101
G GG G 33PF 3 4
TA_VEXT VCC PROG
78 91 0 C106
C103 C102 10UF
2.2UF 100NF
6.3V
C105 C104 C107
33PF 33PF 10UF
10V
C108
100NF Q102
1 6
2 R102 0
CHG_ON R103 ICHRG
VREF 5 47K,1%
VBAT VOSC VCCA VCCB TA_VEXT
VBAT R104
3K
3 4
49 50 51 48 29 30 28 6
VSIM
VREF
CREF
GNDQ
54
SIM_IO
GNDD1
SIMRST UP_RST VLDO_7 40
SIM_CLK
SIM_RST
53 UP_CLK
SIMCLK
SIMDATA 52 UP_IO VDD67 41
44 ADC_AUX1 42
VLDO_6
45 ADC_AUX2
56 ADC_TRIG
32
VL5S_A
3 VACC 31
VL5S_B
2 VBAT
33
VLDO_5
1
TA_VEXT VEXT
43 34 C111 C109 C110 VRF VPAC
BTEMP VDD5 1UF 1UF 1UF
46 36
PWR_ON PWR_SW1N VL4S_A
47 U102 35
JIG_ON PWR_SW2 VL4S_B
RTCALARM 13 RTC_ALMN
2-4
21 PWR_KEEP 37
PWR_KEEP VLDO_4
20 PSW1_BUF
14 VBAT VCC_1.8A VCCD VRTC
R106 INTRQ VDD34 38 C112 C113
15
330K UP_SDI SDI 1UF 1UF
16 39
SDO VLDO_3
17
UP_SCLK SCLK
SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams
18
UP_CS CSN
12
22 VRTC
EN_VRF 23 EN_3
KEY_COL(3) EN_VPAC 24 EN_4[0]
11
3 25 EN_4[1] VLDO_2
1 XOENA EN_5
26
27 EN_5A
2 19
KEY_ROW(0) Q103 EN_5B RESETN RST
R110
C119
55 RING_PWM
R111 1K
9
1UF VLDO_1 1.2K C121
57
GND 22NF
58 10
GND VDD12
59
GND
60
GNDD
POS
1
C115
0
GND
GND
GND
GND
RING_DRV
VIB_DRV
LED1_DRV
LED2_DRV
GND
GND
GND
GND
NC
M101
5 4 7 8 C120 C114 C116 C117 C118
61
62
63
64
65
66
67
68
1UF 1UF 1UF 1UF 100PF
D101
2
NEG
This Document can not be used without Samsung's authorization
KEY_BL
SAMSUNG Proprietary-Contents may change without notice
CHG_DET
TA_VEXT
POWER
SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams
5. Microphone Part
Microphone does not work
Yes
No
check the soldered Resolder microphone
status of microphone.
Yes
Check the reference No Resolder or change
voltage on mic path
C411 2.5 V R413,C420,R414,C410,R411,R408
Yes
No
Is microphone ok? Check U701
Yes
END
6. Speaker Part
Speaker does not work
Yes
No
Check the FPCB from Retry connection the FPCB from
CN201 to CN11 CN201 to CN11
Yes
No Check U401 and the audio
Check the PIN 4 of
U401='High' ? path of U701
Yes
No
Check componants near the U402
Is speaker ok?
and control line of U402
Yes
No
Is speaker ok? Change Speaker
Yes
END
2-5
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
VIB_EN
YMU_SPK1 N
YMU_SPK1 P
VCCD
U401
R401 R402
27ohm 100K
AOUTAP 10 NO2V + 1 R403
27ohm 25 24 23 22 21 20 19 18 17
SPK1P
9 2 AOUTAN