Samsung SGH-D410 User manual

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
GSM TELEPHONE

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1. SGH-D410 Specification
This Document can not be used without Samsung's authorization
1-1
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 -
1. GSM General Specification

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SGH-D410 Specification
1-2
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2. GSM TX power class
TX Power
control
level
GSM900
5 33±2dBm
6 31±2dBm
7 29±2dBm
8 27±2dBm
9 25±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
DCS1800
0 30±3dBm
1 28±3dBm
2 26±3dBm
3 24±3dBm
4 22±3dBm
5 20±3dBm
6 18±3dBm
7 16±3dBm
8 14±3dBm
9 12±4dBm
10 10±4dBm
11 8±4dBm
12 6±4dBm
13 4±4dBm
14 2±5dBm
15 0±5dBm
TX Power
control
level
DCS1800
0 30±3dBm
1 28±3dBm
2 26±3dBm
3 24±3dBm
4 22±3dBm
5 20±3dBm
6 18±3dBm
7 16±3dBm
8 14±3dBm
9 12±4dBm
10 10±4dBm
11 8±4dBm
12 6±4dBm
13 4±4dBm
14 2±5dBm
15 0±5dBm

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2. SGH-D410 Flow Chart of Troubleshooting
2-1
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1.Baseband
1. Power ON
Check the current
consumption more
than 100mA
'Power On' does not work
Check the VBAT
more than 3.3V
Download again
Charge the Battery
Check the pin
11 of U102 is more
than 2.8V
Check the C117
U102 pin 33,39
=2.8V Check U102 and C116
Check the clock
signal at pin4 of
OSC801
Freq=13MHz ?
Vrms≥300mV ?
Vpp is around
900mVpp ?
Check the clock generation
circuit
Check the initial operation
END
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
U102 pin 9
=1.8V
No
Yes

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SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams
2-2
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2. Initial
3. Sim Part
Check the signal at the
pin21ofU102is
"High" when the phone
is boot on
Initial Failure
Check the pin 46,20 and Q103
END
No
Yes
Check the key metrix
of the U601
Yes
Check the key program and
the key pcb
Check the VCCD,VCC_1.8A
of U601
Check the soldered status of
U601,OSC601
Yes
No
No
Yes
Yes
Check LCD connector CN201 in the main
PBA and the FPCB connector
Yes
Check the vccd of
U601 is around 2.8V
Check the soldered status of
U601,osc601
No
Check the pin 1 of
CN101. voltage 3V ?
Phone can't access SIM card
Check the SIM
connector's (CN101)
connection to SIM
card
Check the circuit related to
U102
Resolder or change CN101
Check the circuit around CN101
input
circuitry
END
No
Yes
Yes
Yes
Yes
No
Check the related circuit of
CN101
No
Check the circuit around U601
output
and vlotage supply circuitry
Yes
Check the related circuit of
U601 and U102
No

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SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams
2-3
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4. Charging Part
Check the pin 17, 18
of CN300 is
TA_VEXT>4?
Abnormal charging part
Check the pin 2 of
U101 is "low"?
Replace TA,Check CN300-1
Check the U101
Check the Q101
END
No
Yes
Yes
Yes
Yes
No
No
Check the pin 3 of
Q101 is "low"?
Check the pin 5 of
U101 is "3.2~4.2V"? Check the U101
No
Yes
Check the ICHRG is
1V(during charging)
and around 180mV(full
charging)?
No Resolder or change R111
Yes

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SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams
2-4
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POWER
VBAT
47K,1%
R103
2
5
6
3
1
4
0
Q102
3K
R104
R102
1
POS
M101
2
NEG
C109
1UF
VCCA
VCC_1.8A
VCCB
1UF
C117
R111
1.2K
100PF
C118
1UF
C114
0
D101
VBAT
C113
1UF
VOSC
VCC
3
VSENSE
5
6.3V
10UF
C106
U101
6
DRIVE
2
GND
ISENSE
1
4
PROG
10UF
C107
VBAT
10V
100NF
C102
VSIM
48
VLDO_19
VLDO_211
39
VLDO_3
VLDO_437
VLDO_533
42
VLDO_6
40
VLDO_7
VREF
30
VRTC12
34
VDD6741
1VEXT
VIB_DRV
4
36
VL4S_A
VL4S_B35
32
VL5S_A
VL5S_B31
49
SIM_RST
53UP_CLK
UP_IO
52
UP_RST
54
VACC
3
VBAT
2
10
VDD12
VDD3438
VDD5
5
RING_DRV
RING_PWM
55
13RTC_ALMN
SCLK
17
SDI
15
SDO
16
SIM_CLK
5051
SIM_IO
14INTRQ
7
LED1_DRV
LED2_DRV
8
PSW1_BUF
20
21PWR_KEEP
PWR_SW1N
46
47PWR_SW2
RESETN19
63GND
GND
64
GND
65
66GND
60GNDD
GNDD1
6
28
GNDQ
26EN_5A
EN_5B
27
GND
57
GND
67
68GND
58GND
GND
59
61GND
GND
62
56ADC_TRIG
BTEMP
43
29
CREF
18CSN
22EN_3
EN_4[0]
23
24EN_4[1]
EN_5
25
U102
ADC_AUX1
44
45ADC_AUX2
C119
1UF
C111
1UF
C108
100NF
C116
1UF
Q101
1
3
2
VBAT
R106
330K
VRTC
VCCD
C101
33PF
C104
33PF
C105
33PF
C103
2.2UF
1
3
2
NC
Q103
22NF
C121
C115
G
78GG
910
G
1K
R110
CN101
1
1
22
3
3
4
4
556
6
C120
C110
1UF
VRF
1UF
RST
VPAC
1UF
C112
EN_VPAC
JIG_ON
SIMCLK
SIMRST
KEY_ROW(0)
KEY_COL(3)
CHG_DET
TA_VEXT
RTCALARM
UP_SDI
SIMDATA
VREF
TA_VEXT
UP_SCLK
UP_CS
EN_VRF
TA_VEXT
CHG_ONICHRG
TA_VEXT
XOENA
KEY_BL
PWR_KEEP
PWR_ON

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SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams
2-5
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5. Microphone Part
6. Speaker Part
check the soldered
status of microphone.
Microphone does not work
Check the reference
voltage on mic path
C411 ≒ 2.5 V
Resolder microphone
Resolder or change
R413,C420,R414,C410,R411,R408
END
No
Yes
Yes
Yes
Yes
No
Is microphone ok?
No
Check U701
Check the FPCB from
CN201 to CN11
Speaker does not work
Check the PIN 4 of
U401='High' ?
Retry connection the FPCB from
CN201 to CN11
Check U401 and the audio
path of U701
Is speaker ok?
Check componants near the U402
and control line of U402
END
No
Yes
Yes
Yes
Yes
No
No
Is speaker ok?
Change Speaker
Yes
No

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SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams
2-6
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AUDIO
R419
10K
R423
18KQ401
23
1
VCCA
82K
680
R414
33UF
C420
R411
C414
NC
NC
C411
1NF
C426
ZD403C424
270PF
L402
0
R412
100nH
L403
100nH
R416
VCCA
10K
6.3V
4.7UF
C413
R404
C402
100NF
R403
27ohm
150K
ZD402
2.2K
R415
C429
NC
4.7K
R413
8.2K
R408C410
1UF
56K
R418
C423
1UF
R402
100K
VCCD
CN401
ICEBERG-FPCB
MIC401
C427
VCCD
33PF
1NF
C425
R421
NC
C415
30PF
47PF
C406C407
47PF
C419
NC
NC
C428
C417
VCCD
1NF
C416100NF
150PF
C401
22NF
C403
6.3V
3.3K
R410
56K
R4074.7UF
C405
C408
R420
4.7NF
1K
0
R424
NC
C412
5
NC2
7
2
NO1
10NO2V+1
COM13
COM2
9
GND
6
4
IN1
8IN2
NC1
R401
27ohm
U401
C404
100NF
NC
R409
VBAT
33K
R405
82K
C409
100NF
R406
VREF
9
8
VSS
29/CS
/IRQ
3
31/RD
4
/RST
/WR
28
MTR
19
NC
56
PLLC
SPOUT
1
17
18
SPOUT2
SPVDD15
16
SPVSS
VDD
7
20
D7
12
EQ1
EQ213
14
EQ3
10
HPOUT-L/MONO
HPOUT-R11
32IOVDD
2
LED
CLKI
1
27D0
D1
26
D2
2524
D3
D4
2322
D5
D6
21
U402
A0
30
0
R422
R417
NC
150PF
C432
C431
150PF
22NF
C430
12K
R426
VIB_EN
LED_DATA
SPK1P
AOUTAP
AOUTAN
AUDIO_AMP_EN
SPK1N YMU_SPK1N
YMU_SPK1P
AOUTBP
AUXIN
MICOUT
MICIN
AOUTBN
JACK_IN
EAR_SWITCH
YMU_IRQ
RST
D(5)
D(6)
D(7)
D(4)
D(3)
D(1)
D(0)
CP_WEN
CP_OEN
A(0)
YMU_EN
AUXOUT
CLK13M_YMU
D(2)
YMU_SPK1P
YMU_SPK1N

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SGH-D410 Flow Chart of Troubleshooting and Circuit Diagrams
2-7
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F1001 CHECK
pin13 ≥ -65dBm ?
2.RF
1. EGSM RX
CONTINUOUS RX ON
RF INPUT : 62CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
CHECK
ANT1001,L1002 contact ?
U902
pin 26,32: 2.8V ?
F1001 CHECK
pin1, 2 ≥ -65dBm ?
U1002 CHECK
pin20,21 ≥ -65dBm ?
C1003, C1006
resolder or change
F1001
resolder or change
C1005,C1006,L1003
resolder or change
U102 pin39, C112
change or resolder
U903 CHECK
pin 7 : 13MHz ?
Vp-p : 950mV?
OSC801
change or resolder
U902
resolder or change
U702,R701
resolder or change
U902
pin1,2,5,6 Vp-p
: 120mV ?
NO
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES