Samsung SGH-D100 User manual

SGH-D100/D100A
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
SGH-D100 SGH-D100A

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1. SGH-D100/D100A Specification
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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-D100/D100A Specification
1-2
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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±3dBm
17 9±3dBm
18 7±3dBm
19 5±3dBm
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 PCS1900
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
2. GSM TX power class

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2. SGH-D100/D100A 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 Voltage
more than 3.3V
Download again
Charge the Battery
Check the pin
11 of U102 is more
than 2.8V
Check U102 and 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 U102
pin 9
=1.8V
No
Yes

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SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-2
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2. Initial
3. Sim Part
Check the signal at the
pin11ofU102is
"High" when the phone
is boot on
Initial Failure
Check U102
No
Yes
Check the pin 22 of
U102 is "High"
Yes
Check the U701
Check the pin 4 of
OSC801 is around 2.8V
Check the soldered status of
OSC801,C801,C802,R803,C803,C804
Yes
No
Yes
Check LCD connector CN201,
and resolder bridge
END
Yes
No
Check the pin 1 of
CN101. voltage 3V ?
Phone can't access SIM card
Check the SIM
connector's (CN100)
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-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-3
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4. Charging Part
Check the pin 17, 18
of CN300 is more than
4V.
Abnormal charging part
Check the pin 2 of
Q102 is "low"?
Replace TA, Check CN300
Check the U601
Check the Q102
END
No
Yes
Yes
Yes
Yes
No
No
Check the pin 3 of
Q102 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 R102
Yes

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SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-4
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33PF
0
R1010
C101
C105
33PFC107
VRTC
C106
VBAT
10V
10UF
2.2UF6.3V
10UF
VRF
C103
2
3K
R104
Q103
1
3
NC
R1011
VCCA
TP101
47K,1%
R103
0
C108
100NF
R107
10K
VCC_1.8A
R109
R102
2.2UF
C114
0
M101
2
NEG1
POS
R111
1.2K
33PF
100PF
C118
C104
C113
470NF
Q102
2
5
6
3
1
4
VCCD
0
R101
R108
C112
0
VSENSE
5
VPAC
1UF
6
DRIVE
2
GND
ISENSE
1
4
PROG
VCC
3
C116
1UF
U101
C109
1UF
100NF
C102
1UF
C110
11
VLDO_2
41
VDD67
VEXT
1
4
VIB_DRV
VL4S_A36
35
VL4S_B
VL5S_A32
31
VL5S_B
9
VLDO_1
UP_CLK
53UP_IO
52
54UP_RST
3VACC
2VBAT
VDD1210
VDD3438
34
VDD5
55RING_PWM
RTC_ALMN
13
17SCLK
15SDI
16SDO
50
SIM_CLK
51
SIM_IO
SIM_RST
49
LED1_DRV
7
LED2_DRV
8
20PSW1_BUF
PWR_KEEP
21
46PWR_SW1N
PWR_SW2
47
19
RESETN
5
RING_DRV
6
GNDD1
GNDQ
28
14INTRQ
27EN_5B
GND
57
GND
58
59GND
GND
61
BTEMP
43
CREF
29
CSN
18
EN_3
22
23EN_4[0]
EN_4[1]
24
25EN_5
26EN_5A
U102
44ADC_AUX1
ADC_AUX2
45
ADC_TRIG
56
C115
1NF
VCCB
C117
0
R1012
VBAT
1UF
10K,1%
R110
C111
VBAT
NC
0
R105
R106
330K
VOSC
VBAT
JIG_ON
SIMCLK
SIMRST
RST
KEY_ROW(0)
KEY_COL(2)
CHG_DET
TA_VEXT
XOENA
EN_VRF
SIMDATA
TA_VEXT
UP_SCLK
UP_CS
EN_VPAC
VREF
CHG_ONICHRG
TA_VEXT
TA_VEXT
KEY_BL
PWR_KEEP
PWR_ON
RTCALARM
UP_SDI

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SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-5
This Document can not be used without Samsung's authorization
JTAGCON
KEYPAD
LCDCONNECTOR
IRDA
3
2
OUT
1
VCC
LED211
U202
GND
KEYPAD
12
LED205
KEYPAD
5
12
_I
12
KEYPAD
9
12
VBAT
SEND
KEYPAD
R209
LED204
VBAT
0
LED202
LED215
0
R216
VCCD
R202
0
C202
8
C201
33PF,NPO,0603
C218
33PF
1
2
3
4
567
C220
33PF
1
2
3
4
5678
C219
1
2
3
4
5678
1
2
3
4
5678
33PF
C221
33PF
0
R205
33PF,NPO,0603
C209
ZD202
12
ZD201
LED203
KEYPAD
1
C223
330NF
C214
VBAT
C212C213
4
C211
X9000-VOLUME-KEY
SW201
1
1
22
33
4
KEYPAD
CLEAR
12
4
KEYPAD
12
C222
470nF
0
LED212
C224
R214
VCCB
100NF
12
LEFT
KEYPAD
12
12
8
KEYPAD
2
KEYPAD
C208
88
99
C207
12
13
131414
22
3344
5566
77
CN203
11
1010
111112
VCCD
KEYPAD
3
12
KEYPAD
DOWN
12
12
KEYPAD
0
12
KEYPAD
F1
0
R211
R206
0
100NF
12
VCCD
C225
LED210
F4
KEYPAD
F2
KEYPAD
12
33PF,NPO,0603
C210
LED213
30
R218
R213
R212
0
0
C206
C204C205
KEYPAD
7
12
C203
4
4
5
566
778
8
9
9
28
28
29
29
3
3
3030
31313232
33333434
20
20
21
2122
22
23
2324
24
25
2526
26
27
27
13
1314
14
15
1516
16
17
1718
18
19
19
2
2
CN201
1
1
10
10
11
1112
12
UP
DD-DOM-4PIE-2
12
12
LED201
KEYPAD
END_PWD
1
2
KEYPAD
RIGHT
7GND
LEDA
1
2LEDC
4RXD
SD
5
TXD
3
6VCC
F3
12
LED217
HSDL-3208
LED214
KEYPAD
R215
6
KEYPAD
12
0
C216C217
ZD203
C215
R204
0
R208
0
LED216
LED207
0
LED208
R217
0
R203
A(2)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
LIGHT_ON
RST
VIB_EN
LED_EN
SLCD_EN
MLCD_EN
D(2)
D(7)
D(6)
D(0)
D(1)
D(3)
D(5)
D(4)
D(8)
KEY_COL(3)
IRDA_EN
IRDA_RX
IRDA_TX
KEY_COL(4)
CP_WEN
EL_EN
SVC_BLUE
SVC_GREEN
SVC_RED
SPK1P
SPK1N
KEY_COL(2)
KEY_ROW(0)
KEY_COL(0:4)
KEY_ROW(0:4)
FLIP_SNS
PWR_ON
KEY_BL
KEY_ROW(2)
KEY_ROW(1)
CP_TDO
DSP_TCK
DSP_TDO
RESET_INT
CP_TDIDSP_TDI
CP_TMSDSP_TMS
CP_TCK
KEY_COL(0)
KEY_ROW(3)
KEY_COL(1)
KEY_ROW(4)

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SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-6
This Document can not be used without Samsung's authorization
JTAG
TRIDENT
116
ofSheet
12
CC4V-T132.768KHz12.5pF
TDI
VCCD
TX
VCC_1.8A
RX
C613
22PF
10NF
C605C601
220NF
VBAT_1
VCC_1.8A
100,5%
TCK
TCK_1
R611
1
VS
U602
3
GND
VO
2
1M
U1006
C604
10NF
OSC601
VRTC
100NF
C614
100,5%
R609
TDI_1
TP602
TDO
HP_PWR
TMS_1
TRST_1
TX_1
VCCD
C609
22NF
10NF
C603
VBAT
NC
C608
RX_1
R606
100,5%
GND_1
C607
33NF
C606
10NF
C612
1NF
22PF
C615
HP_PWR_1
TMS
R604
U1007
33K,1%
R605
100,5%
F_WE
100,5%
100,5%
R608
TRST
100,5%
R607
P2XPA9/IRQ3
R5XPWM1
E8
XRTCALARM_N
N10XSM0_CLK
XSM0_DATA
U12
D12
XTIC_MODE
XVREFF10
L13
XPA35_A22
XPA36_A23_CS5NN15
N14XPA3/CS4N
P16XPA4/OEN
P15XPA5/WAITN
XPA6/BE1N
T15
M9XPA7/IRQ1
XPA8/IRQ2
T5
G5XPA28_IOM0
F1XPA29_IOM1
XPA2/CS3N
M11
XPA30_IM0
F3
E1XPA31_IM1
XPA32_CS0NH14
XPA33_T_REQA
N17
M17XPA34_T_REQB
L1
XPA21/CP_SCK
K4
J6XPA22/SSN
XPA23/PWM2
H6
XPA24/PWM3
H5
M3XPA25_OM0
G2XPA26_OM1
XPA27_SM1_CLK
G4
XPA13_TX1
XPA14_RX1
G3
H4XPA15/TX0
XPA16/RX0
L3
E4XPA17_DRQ0
XPA18_T_ACK
P13
L2XPA19/CP_MOSI
XPA1/CS2N
M14
XPA20/CP_MISO
F9
XCP_WEN
C13
XFRSTB
F4
XOSC32OUTC6
M15XPA0/CS1N
XPA10/IRQ4
N2
K5XPA11/IRDARX
XPA12/IRDATX
N1
G6
XCP_KB5/SOUT0
XCP_KB6/SOUT1
U3
P3XCP_KB7/SOUT2
T4XCP_KB8/SOUT3
XCP_KB9/SOUT4
N3
XCP_TCK
D7
D13
XCP_TDO
G8XCP_TMS
XCP_TRSTN
B4XCP_D9
XCP_TDI
C7
L4XCP_KB0/SIN0
XCP_KB1/SIN1
L5
M4XCP_KB2/SIN2
XCP_KB3/SIN3
T1
XCP_KB4/SIN4
R2
T3
E3XCP_D15
XCP_D2
F8
F7XCP_D3
XCP_D4
C5
D6XCP_D5
E7XCP_D6
XCP_D7
D5
XCP_D8
C4
A12XCP_CSROMEN
A6XCP_D0
XCP_D1
B5
B3XCP_D10
XCP_D11
C1
C2XCP_D12
XCP_D13
D2
XCP_D14
D3
XCP_A3
D15
XCP_A4
B15
C14XCP_A5
XCP_A6
A16
A15XCP_A7
B17XCP_A8
XCP_A9
C17
XCP_CSRAMEN
A13
G17XCP_A14
XCP_A15
J12
XCP_A16
K12
K13XCP_A17
XCP_A18
K14
L14XCP_A19
E14XCP_A2
L15XCP_A20
XCP_A21
L16
B7
XBSWN
M12
XCPTSTSTOP_CKO
XCP_A0_BEON
B13
XCP_A1
F11
XCP_A10
D16
F14XCP_A11
G14XCP_A12
XCP_A13
G13
VSS_DPLLE15
A7
X1RTC
X2RTCD10
XAG0B11
A11
XAG1
E11
XAG2
XAG3D11
VSSF6
G9
VSS
VSSG10
H7
VSS
H11
VSS
VSSJ7
VSSK6
VSSAE10
A2
VSS
K7
VSS
L6
VSS
VSSL10
M7
VSS
VSSL8
VSSJ11
L9
VSS
VSSA3
P8
VDDE
VDDEU15
U16
VDDE
VDDEN16
E16
VDDE
VDDEE17
G16
VDD_DPLL
D8
VRTC
R17
VDD
VDDA5
C16
VDD
C11
VDDA
VDDEB1
B14
VDDE
M1
VDDE
VDDEU2
F15
TRST
E2
VDD
VDDL17
VDDG1
R1
VDD
VDDR4
T13
VDD
VDDR16
1
NC
NC2
C12
RSTB
U5
RWN
H13
TCK
H12
TDI
TDOF12
TMSG12
R7
DB#6
DB#7M6
DB#8P7
N7
DB#9
INT#0N4
IO7R12
K11
IOBIT#1
L12
IOBIT#2
U11
DB#12
DB#13T11
DB#14R11
P10
DB#15
DB#2R6
P6
DB#3
DB#4U7
DB#5T7
T14
AB#7
AB#8T17
CKIF17
CKOG15
P5
DB#0
DB#1U6
N8
DB#10
DB#11M8
AB#0U13
M10
AB#1
AB#2R13
AB#3N11
P11
AB#4
AB#5P12
R14
AB#6
33K,1%
U601
VCC_1.8A
U1008
U1009
TDO_1
47K
U1004
100K
100,5%
NC
U1010
100,5%R616
R613
100,5%
R615
R614
100,5%
10NF
C611
C602
GND
220NF
R601
47K
10
R602
BGAT
VCCB
27PF
C610
U1003100,5%
R603
100,5%
10K,1%
U1005
100,5%
F_WE_1
100,5%
R612
100,5%R618
VCC_1.8A
VCCB
R617
D(15)
D(14)
D(13)
D(12)
D(11)
D(10)
D(1)
D(0)
VCCD
CP_TCK
CP_WEN
YMU_EN
IRDA_EN
CHG_DET
D(0:15)
D(9)
D(8)
D(7)
D(6)
D(5)
D(4)
D(3)
D(2)
A(22)
DLC_DETECT
RTCALARM
SIMCLK
SIMDATA
ICHRG
VREF
LED_DATA
WR_PROTECT
CP_TDO
CP_TDI
CP_TMS
DEBUG_RXD
JACK_IN
LIGHT_ON
UP_SDI
UP_SCLK
UP_CS
CHG_ON
AUDIO_AMP_EN
DEBUG_RI
SIMRST
PWR_KEEP
DEBUG_CTS
DEBUG_DTR
DEBUG_RTS
DEBUG_DSR
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
CP_TCK
CP_TDO
CP_TMS
TR_RST
FLASH_RESET
CLK32K
IRDA_RX
IRDA_TX
SDS_TXD
SDS_RXD
DEBUG_TXD
EL_EN
TR_RST
DSP_RWN
DSP_TCK
DSP_TDI
DSP_TDO
DSP_TMS
TR_RST
BP_VF
TR_RST
CP_TDI
KEY_COL(0)
DSP_DB(11)
DSP_DB(12)
DSP_DB(13)
DSP_DB(14)
DSP_DB(15)
DSP_DB(2)
DSP_DB(3)
DSP_DB(4)
DSP_DB(5)
DSP_DB(6)
DSP_DB(7)
DSP_DB(8)
DSP_DB(9)
DSP_INT
DSP_IO
LED_EN
RST
TR_RST
DSP_AB(0)
DSP_AB(1)
DSP_AB(2)
DSP_AB(3)
DSP_AB(4)
DSP_AB(5)
DSP_AB(6)
DSP_AB(7)
DSP_AB(8)
CLK13M_TR
DSP_DB(0)
DSP_DB(1)
DSP_DB(10)
DEBUG_DCD
UPPER_BYTE
EAR_SWITCH
FLIP_SNS
YMU_IRQ
CP_INT
DSP_DB(15:0)
A(0:20)
KEY_ROW(0:4)
KEY_COL(0:4)
A(21)
DSP_AB(8:0)
CP_CSROM2EN
A(18)
A(19)
A(2)
A(20)
A(3)
A(4)
A(5)
A(6)
A(7)
A(8)
A(9)
CP_CSROMEN
CP_CSRAMEN
MLCD_EN
SLCD_EN
CP_WENCP_OEN
RESET_INT
VBAT
JIG_ON
SDS_RXD
SDS_TXD
A(0)
A(1)
A(10)
A(11)
A(12)
A(13)
A(14)
A(15)
A(16)
A(17)

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SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-7
This Document can not be used without Samsung's authorization
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
Solderthemicrophoneagain
Resolder or change
R419, R420, R423
END
No
Yes
Yes
Yes
Yes
No
Is microphone ok?
No
Check U701
Check the connection
from CN201 to LCD
module
Speaker does not work
Check the pin 29 of
U402 and pin 4, 8 of
U401 "High"
Check the circuit related to
U402,U401
Check U601
Is speaker ok?
Check U700
END
No
Yes
Yes
Yes
Yes
No
No
Is speaker ok?
Change Speaker
Yes
No

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SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-8
This Document can not be used without Samsung's authorization
AUDIO
VBAT
22NF
C403
6.3V
4.7UF
C413
C424
ZD403NC
R408
C415
30PF
10K
NC
C412
R407
MIC401
100PF
C428
56K
R414
82PF
1K
0
R412
C429
NC
C411
C404
100NF
R404
R409
150K
33UF
C420
NC
2.2K
R415
100nH
L403
ZD404
R401
10
8
VSS
29/CS
/IRQ
3
31/RD
4
/RST
/WR
28
NC
56
PLLC
SPOUT1
17
18
SPOUT2
SPVDD15
16
SPVSS
VDD
7
VREF
9
20
D7
12
EQ1
EQ213
14
EQ3
10
HPOUT-L/MONO
HPOUT-R11
32IOVDD
2
LED
MTR
19
27D0
D1
26
D2
2524
D3
D4
2322
D5
D6
21
U402
A0
30
CLKI
1
C402
100NF
R413
56K
2.2K
VCCA
R411
100nH
L402
1NF
C425
82K
R419
R405
4.7UF
C405
6.3V
18K
C419
NC
1
VCCD
R406
33K
Q401
23
C414
NC
VCCD
150PF
C401
C409
100NF
1NF
C426
R421
0
VCCA
4
IN1
8IN2
NC15
NC2
7
2
NO1
10NO2V+1
U401
COM13
COM2
9
GND
6
R422
VCCD
4.7NF
C408
NC
10K
R416
C410
1UF
ZD402
R420
R402
100K
1K
56K
R418
4
3
1
100NF
C417
CN401
2
6
5
C423
1UF
V401
3.3K
R410
1NF
C416
10K
R423
R403
10
AOUTBP
AOUTBN
CP_OEN
CP_WEN
AOUTAN
YMU_SPK1P
SPK1N AUDIO_AMP_EN
YMU_SPK1N
MICIN
YMU_SPK1P
YMU_SPK1N
YMU_IRQ
RST
VIB_EN
LED_DATA
SPK1P
AOUTAP
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
CLK13M_YMU
D(1)
D(0)
A(0)
YMU_EN
AUXOUT
AUXIN
MICOUT
JACK_IN
EAR_SWITCH

SAMSUNG Proprietary-Contents may change without notice
SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-9
This Document can not be used without Samsung's authorization
CSP1093
N11
XTALB
10NF
C710
VSS
E10
G5VSS
VSS
G10
H5VSS
B11
VXVCM
N7
XOENA
XOENAQN5
N12
XTALA
VSS
K5
VSS
H10VSS
K8
K10VSS
K6VSS
VSS
E5
E7VSS
E8VSS
VDD2
P6
A1VDD3
E13
VDDA
K13
VDDB
VDDCF14
VDDDP13
D11
VREG
TMS
H12
TXIN
J10
TXIP
TXPJ14
TXQNJ13
H13
TXQP
B3
UC
UCA2
F1VDD1
RXQP
K9
SERCK
SERDAM8
SERLE1P9
M7
SERLE2
N9TCK
N10TDI
N8TDO
P10
RAREF2
REFCC13
A10RESETN
RFOVLN6
RWN
K4
M13
RXIN
RXIPL11
RXQNP14
N14
OCTL4
B7
D5OCTL5
OCTL6
A6
E6OCTL7
OCTL8
C7
C8OCTL9
RAREF1K14
L13
MICOUT
1
NC
NC2
OCTL0
B4
A5OCTL1
OCTL10
A9
E9OCTL11
OCTL2
B5
B6OCTL3
L4
GNDAE11
K11
GNDB
GNDCF10
L10
GNDD
K2IOK7
MC
A13
MICINB12
J5
J1DB3
DB4
H3
G3DB5
DB6
F5
G2DB7
DB8
F2
E2DB9
DINTR
J2
H2DB1
DB10
D2
D4DB11
DB12
E1
E4DB13
DB14
C2
B1DB15
DB2
AOUTBP
AUXINA14
AUXOUTB14
CINTR
L5
B10
DAICK
DAIDIB9
DAIDOB8
DAIRND10
DB0
N1
M2AB6
AB7
L2
K1AB8
AFCG12
AOUTANG13
AOUTAPF13
AOUTBNE14
D13
U701
P5AB0
AB1
N4
N3AB2
AB3
P2
P1AB4
AB5
R709
100K
R705
4
VCCA
VCCD
NC
U703
2
5
6
3
1
R1014
R1013
0
R708NC
NC
C706100NF
C708
33NF
C711
10NF
2
5
6
3
1
4
U702
NC
C701
C705
1UF
R703
2.4
100K
R701
VCCD
C712
10NF
10NF
C707
1
4
C704
220NF
U704
2
5
6
3
2.4
R702
C703
5PF
C702
NC
R707
VCCD
R706NC
NC
R704
100K
VCCD
VCCD
33NF
C709
PCS_RX_EN
TX_ENDAIDO
DAIDI
DAICK
DAIRN
XOENA
RXQN
RXQP
SERCLK
SERDAT
SERLE
TXIN
TXIP
TXPOWER
TXQN
TXQP
CLK32K
AFC
AOUTAN
AOUTAP
AOUTBN
AOUTBP
AUXIN
AUXOUT
CLK13M_MC
MICIN
MICOUTRXIN
RXIP
EN_VPAC
SI_EN
SVC_RED
SVC_BLUE
SVC_GREEN
TX_BAND_SEL
SYN_EN
GSM_TX_EN
DCS_TX_EN
DSP_DB(2)
DSP_DB(3)
DSP_DB(4)
DSP_DB(5)
DSP_DB(6)
DSP_DB(7)
DSP_DB(8)
DSP_DB(9)
RST
DSP_RWN
DSP_IO
DSP_AB(0:8)
DSP_DB(0:15)
DSP_AB(8)
CP_INT
DSP_INT
EN_VRF
DSP_AB(0)
DSP_AB(1)
DSP_AB(2)
DSP_AB(3)
DSP_AB(4)
DSP_AB(5)
DSP_AB(6)
DSP_AB(7)
DSP_DB(0)
DSP_DB(1)
DSP_DB(10)
DSP_DB(11)
DSP_DB(12)
DSP_DB(13)
DSP_DB(14)
DSP_DB(15)

SAMSUNG Proprietary-Contents may change without notice
SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-10
This Document can not be used without Samsung's authorization
F1001 CHECK
pin15 ≥ -65dBm ?
2.RF
1. EGSM RX
CONTINUOUS RX ON
RF INPUT : 62CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
CHECK
ANT1001, R1015, L1009
U1002
pin 9: 2.8V ?
F1001 CHECK
pin1, 2 ≥ -65dBm ?
U1002 CHECK
pin20,21 ≥ -65dBm ?
C1003, F1003
Solder again or change
F1001
Solder again or change
C1005,C1006,L1003
Solder again or change
U102 pin39, C112
Solder again or change
U1002 CHECK
pin 8 : 13MHz ?
Vp-p : 950mV?
OSC801
Solder again or change
U1002
Solder again or change
U701
Solder again or change
U1002
pin1,2,3,28 Vp-p
: 120mV ?
NO
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES

SAMSUNG Proprietary-Contents may change without notice
SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-11
This Document can not be used without Samsung's authorization
F1001 CHECK
pin15 ≥ -65dBm ?
2. DCS RX
CONTINUOUS RX ON
RF INPUT : 698CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
CHECK
ANT1001, R1015, L1009
U1002
pin 9: 2.8V ?
F1001 CHECK
pin3, 4 ≥ -65dBm ?
U1002 CHECK
pin18, 19 ≥ -65dBm ?
C1003, F1003
Solder again or change
F1001
Solder again or change
C1008,C1009,L1004
Solder again or change
U102 pin39, C112
Solder again or change
U1002 CHECK
pin 8 : 13MHz ?
Vp-p : 950mV?
OSC801
Solder again or change
U1002
Solder again or change
U701
Solder again or change
U1002
pin1,2,3,28 Vp-p
: 120mV ?
NO
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES

SAMSUNG Proprietary-Contents may change without notice
SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-12
This Document can not be used without Samsung's authorization
F1001 CHECK
pin53 ≥ -65dBm ?
3. PCS RX
CONTINUOUS RX ON
RF INPUT : 660CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
CHECK
ANT1001, R1015, L1009
U1002
pin 9: 2.8V ?
F1001 CHECK
pin6 ≥ -65dBm ?
U1002 CHECK
pin16, 17 ≥ -65dBm ?
C1003, F1003
Solder again or change
F1001
Solder again or change
C1022,F1002,C1012,C1013,L1006
Solder again or change
U102 pin39, C112
Solder again or change
U1002 CHECK
pin 8 : 13MHz ?
Vp-p : 950mV?
OSC801
Solder again or change
U1002
Solder again or change
U701
Solder again or change
U1002
pin1,2,3,28 Vp-p
: 120mV ?
NO
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES

SAMSUNG Proprietary-Contents may change without notice
SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-13
This Document can not be used without Samsung's authorization
SI-LAB
0
C808
NC
R805
C906
33PF
C904
47PF
VRF
C801
100PF
VRF
C905
22NF
C802
100PF
100PF
C803
OSC801
2
GND
3
OUTVCC
4
VT
1
10
R801
C806
10NF
VRF
C805
10NF
C807
10NF
10NF
C804
R804
100
2K
R802
26
XEN
8
XIN
27
XOUT
10
_PDN
12
_SEN
330
R803
SCLK
14
SDI
11
SDO
5TXIN
4TXIP
7TXQN
6TXQP
9
VDD
32
VDD
16
RFIPP
22
RFOD
23
RFOG
3RXIN
RXIP
2
1
RXQN
28
RXQP
13
GND
36
NC
37
38 NC
19
RFIDN 18
RFIDP
21
RFIGN 20
RFIGP
17
RFIPN
25
DIAG2
15
GND
29
GND
GND
30
31
GND
GND
33
GND
34
35 GND
SERCLK
SERDAT
CLK13M_TR
CLK13M_MC
GSM_PAM_IN
U1002
24
DIAG1
TXIP
RXQN
RXIP
TXQN
TXIN
TXQP
DCS_LNA_IN_P
GSM_LNA_IN_N
GSM_LNA_IN_P
DCS_LNA_IN_N
PCS_LNA_IN_P
PCS_LNA_IN_N
CLK13M_RF
SI_EN
SERLE
AFC CLK13M_RF
CLK13M_YMU
13MHZ_BB
DPCS_PAM_IN
RXQP
XOENA
13MHZ_BB
RXIN

SAMSUNG Proprietary-Contents may change without notice
SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-14
This Document can not be used without Samsung's authorization
4. EGSM TX
F1001 pin 12 :
about 2~3 dBm?
F1003, C1003
check & change
F1001
pin13:2.8V?
U701,U702
check & change
U1001 pin9 :
about 4~5dBm?
F1001
check & change
U1001
pin 4 : 3.7V
pin 5 : 2.8V ?
NO NO
YES
YES
YES
NO
NO BATTERY, U102
check & change
U1001
pin 6 : 1.2V ?
YES
NO
U1001 pin7
about : -5dBm ?
YES
U1001
pin 3 : 3V?
YES
YES
U1001
check
NO
U701
check
U701
check
NO
U1002
pin9 : 2.8V ?
Check U102 pin39
andchangeC112
YES
U1002
pin8 : 13MHz ?
Vp-p : 950mV?
U1002
pin4,5,6,7:100mV?
YES
U701
soldering check
or change
NO
NO
U1002
soldering check
or change
YES
NO OSC801
soldering check
or change
CONTINUS TX ON CONDITION
Tx Power DAC Value: 550 Code applied
CH : 62
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB

SAMSUNG Proprietary-Contents may change without notice
SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-15
This Document can not be used without Samsung's authorization
5. DCS/PCS TX
F1001 pin 10 :
about 2~3 dBm?
F1003, C1003
check&change
F1001 pin11
(dcs), pin5(pcs)
:2.8V?
U701,U703(dcs)
U704(pcs) check
U1001 pin11 :
about 4~5dBm?
F1001
check & change
U1001
pin 4 : 3.7V ?
pin 5 : 2.8V ?
NO NO
YES
YES
YES
NO
NO BATTERY, U102
check & change
U1001
pin 6 : 1.2V ?
YES
NO
U1001 pin1
about : -5dBm ?
YES
U1001
pin 3 : 3V?
YES
YES
U1001
change or resolder
NO
U701
check
U701
check
NO
U1002
pin9 : 2.8V ?
Check U102 pin39
andchangeC112
YES
U1002
pin8 : 13MHz ?
Vp-p : 950mV?
U1002
pin4,5,6,7:100mV?
YES
U701
soldering check
or change
NO
NO
U1002
soldering check
or change
YES
NO OSC801
soldering check
or change
CONTINUOUS TX ON CONDITION
CH : 698CH(DCS), 660CH(PCS)
Tx Power DAC Value: 500 Code Applied(DCS)
550 Code Applied(PCS)
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB

SAMSUNG Proprietary-Contents may change without notice
SGH-D100/D100A Flow Chart of Troubleshooting and Circuit Diagrams
2-16
This Document can not be used without Samsung's authorization
TRANSMITTER&RECEIVER
4
6
OUT2
10PF
C1039
F1002
1G1G2
35G3
IN
2OUT1
2.7PF
C1022
VBAT
ANT
0.75PF
C1009
18
300
R1005
R1007
100PF
C1004
R1008
100PF
300
33PF
C1014
C1010
1
1
22
3
3
VPAC
SCH-A475
ANT1001
1.2PF
L1008
VRAMP
VREG
5
C1011
NC
GSMIN
9
GSMOUT
11
PCSOUT
3TXEN
4VBATT
10
VCC
VCC2
812
VCC2
6
U1001
RF3110
2BANDDCSIN1
13
GND
7
L1007
6.8nH
33PF
C1020
C1018
1NF
300
R1003
33UF
6.3V
C1016
33PF
C1017
C1021
33UF
6.3V
R1006
180
R1002
180
18
R1001
R1004
300
L1004
C10080.75PF
R1009
100K
7.5NH
F1003
3
G1
4
G2
IN
1OUT2
27NH
L1003
C1015
3.3nH
C10060.75PF
0.75PF
C1005
L1009
18nH
47PF
C1003
C10130.75PF6.8nH
L1006
0.75PF
C1012
R10150
VC1
VC2
11
5VC3
C1002
NC
12EGSMTX
G
714
G
16
GG
1920
G
6
PCSRX
13ANT
15
3
DCSRX
DCSRX4
DCS/PCSTX
10
1
EGSMRX
EGSMRX2
C1007
100PF
F1001
C1019
33PF
PCS_RX_EN
GSM_LNA_IN_N
GSM_LNA_IN_P
PCS_LNA_IN_N
PCS_LNA_IN_P
DCS_LNA_IN_P
DCS_LNA_IN_N
GSM_PAM_IN
DPCS_PAM_IN
TX_BAND_SEL
TX_ENTXPOWER
DCS_TX_EN
GSM_TX_EN