Samsung SGH-D720 User manual

MITs TELEPHONE
SGH-D720
MITs TELEPHONE CONTENTS
1. Specification
2. Flow Chart of Troubleshooting
3. Exploded Views and Parts List
4. Electrical Parts List
5. PCB Diagrams
6. Block Diagrams

1.SGH-D720 Specification
1-1
1-1.GSMGeneralSpecification
GSM900
Phase1EGSM900 Phase2DCS1800 Phase1PCS1900
Freq.Band[MHz]
Uplink/Downlink890~915 935~960 880~915 925~960 1710~1785 1805~1880 1850~1910 1930~1990
ARFCNrange1~124 0~124 &
975~1023 512~885 512~810
Tx/Rxspacing45MHz45MHz95MHz80MHz
Mod.Bitrate/
BitPeriod270.833kbps 3.692us270.833kbps 3.692us270.833kbps 3.692us270.833kbps 3.692us
TimeSlot
Period/Frame
Period
576.9us
4.615ms576.9us 4.615ms576.9us 4.615ms576.9us 4.615ms
Modulation0.3GMSK0.3GMSK0.3GMSK0.3GMSK
MSPower33dBm~13dBm33dBm~5dBm30dBm~0dBm30dBm~0dBm
PowerClass 5pcl~15pcl5pcl~19pcl0pcl~15pcl0pcl~15pcl
Sensitivity-102dBm-102dBm-100dBm-100dBm
TDMAMux8 8 8 8
Cell Radius35Km35Km2Km-

SGH-D720 Speclflcation
1-2
1-2.GSMTxPowerClass
TXPower
control levelGSM900
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
TXPower
control levelDCS1800
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
TXPower
control levelPCS1900
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

SAMSUNG Proprietary-Contents may change without notice
2. SGH-D720 Flow Chart of Troubleshooting and Circuit Diagrams
2-
28
This Document can not be used without Samsung's authorization
2-1.Baseband
2-1-1. Power ON
Check the current
consumtion more than
100mA
Check the Vbat(battery+O)
Voltagemorethan3.3V
Downloader again
NO
Charge the Battery
NO
Check BTC300, C308 and C307
NO
YES
YES
YES
YES
'Power On' does not work
Check the pin
4ofTR600ismore
than 3.3V
Check the pin
1ofTR600ismore
than 3.3V
UCP100 pin A19
=3.0V
YES
Check TR600, TR602 and D601
NO
Check U605 and C606
NO
UCP100 pin B14
=1.8V
YES
Check U605 and C605
NO
UCP100 pin A15
=1.6V
YES
Check U604 and C618
NO
'Power On' does not work
END
Check the clock signal
at pin1 of OSC100
Freq=12MHz
Check the clock generation circuit
(OSC100)
NO
YES

SAMSUNG Proprietary-Contents may change without notice
SGH-D720 Flow Chart of Troubleshooting and Circuit Diagrams
2-2
This Document can not be used without Samsung's authorization

SAMSUNG Proprietary-Contents may change without notice
SGH-D720 Flow Chart of Troubleshooting and Circuit Diagrams
2-3
This Document can not be used without Samsung's authorization
VDD_18D
R142
R122
R144
R107
C127
R101
VDD_30D
C132
VDD_15D
OSC101
2
1
C128
R103
R129
C103
1
3
2
R110
TR101
VDD_30D
R112R109R108
R143
R125
VDD_30D
C115
C129
R114
R128
VDD_15D
C121
R102
4
1
HOT
HOT
3OSC100
GND1
2
GND2
C101
R118
R113
C123
R111
C133
C116
VDD_18D
VDD_18D
C131
0
2
W9
S
S
V
WA-KEUP_INT W13
V19 WIRE_SCLK
U18 WIRE_SDI
WIRE_SDO
W21
Z_STATE1
N14
P15 Z_STATE2
W16 Z_STATE3
6
1
S
S
V
1
N
2
K7
1
S
S
V
8
1
S
S
V
1
G
1
B9
1
S
S
V
2
S
S
V
7
B
3
1
A3
S
S
V
4
S
S
V
6
1
B
1
2
A5
S
S
V
6
S
S
V
0
2
F
0
2
K7
S
S
V
8
S
S
V
1
2
R
Y9
M2 VDD_4
VDD_RTC
W12
VPP
L1
5
B1
S
S
V
0
1
S
S
V
1
2
A
A
3
1
Y1
1
S
S
V
2
1
S
S
V
7
A
A
3
Y3
1
S
S
V
4
1
S
S
V
1
A
A
2
U5
1
S
S
V
VDDSHV5_1 R1
H2
VDDSHV5_2
VDDSHV5_3 C2
AA11
VDDSHV6
VDDSHV7 Y16
L21
VDDSHV8
VDDSHV9 U21
V12
VDDSHV_RTC
VDD_1
A15
Y20 VDD_2
VDD_3
VDD3_3
J21
R20 VDD3_4
Y21 VDDA
A19
VDDSHV1_1
VDDSHV1_2 E21
AA2
VDDSHV2
VDDSHV3 Y7
B14
VDDSHV4_1
VDDSHV4_2 B10
A7
VDDSHV4_3
VDDSHV4_4 A5
Y15
W15 UARTS_CLKREQ
USB_DM R8
P9
USB_DP
USB_PUEN W4
VDD1
AA3
A3 VDD2_1
VDD2_2
A9
E2 VDD2_3
VDD3_1
B13
B20 VDD3_2
D8 SDATA_7
SDATA_8
C10
D14 SDATA_9
C9 SDCLK
D9 SDCLKX
H12 SDCLK_EN
TCK
W18
Y19 TDI
TDO
AA19
V17 TMS
UARTS_CLKIO
SDATA_10
C13 SDATA_11
C11 SDATA_12
D13 SDATA_13
D12 SDATA_14
C12 SDATA_15
SDATA_2
C5
D7 SDATA_3
D5 SDATA_4
C7 SDATA_5
C4 SDATA_6
G12 SADD_6
G11 SADD_7
G9 SADD_8
B12 SADD_9
B3 SBANK_0
SBANK_1
C3
T18 SCL
SDA
V20
D6 SDATA_0
C6 SDATA_1
D11
L14 RX3
A2 SADD_0
B2 SADD_1
SADD_10
B8
H10 SADD_11
H9 SADD_12
SADD_13
H11
B6 SADD_2
A1 SADD_3
G10 SADD_4
B9 SADD_5
NTRST
Y12
ON_NOFF
Y2
OSC1_IN
OSC1_OUT W3
N
I
_
K
2
3
C
S
O
3
1
v
3
1
A
AT
U
O
_
K
2
3
C
S
O
RE-SET_MODE P12
D
E
V
R
E
S
E
R
5
e
RTCK
Y17
V14 RX1
RX2
R9
NFRP W1
W2
NFWE
NFWP V4
AA20 NRE-SET_OUT
R12
NRESPWRON
B4 NSCAS
C8 NSDQML
D10 NSDQMU
H7
NSRAS
H8 NSWE
Y18
NEMU0
V16
W17 NEMU1
L4
NFADV
NFBE_0 L3
M8
NFBE_1
M3
NFCS_1 Y1
NFCS_1B
NFCS_2 M4
NFCS_2B P3
N8
NFCS_3
U4
NFOE
MCSI2_DOUT
MCSI2_SYNC V9
MMC_CLK V11
MMC_CMD P11
R11
MMC_DAT0
V10
MMC_DAT1
MMC_DAT2 W10
W11
MMC_DAT3
U20 MPU_NRE-SET
1
NC1
NC2 2
Y6
P10
MCBSP2_DIN
AA5
MCBSP2_DOUT
MCBSP2_RSYNC W6
MCBSP2_XSYNC W7
MCSI1_BCLK
P14
MCSI1_DIN
V15
W14 MCSI1_DOUT
AA17 MCSI1_SYNC
Y10
MCSI2_CLK
MCSI2_DIN AA9
W9
D17 LCD_PIX-EL_8
D16 LCD_PIX-EL_9
LCD_VSYNC
B18
1
jR
E
T
L
I
F
_
O
D
L
G21 MCBSP1_BCLK
MCBSP1_CLKS
G20
MCBSP1_DIN
H20
H18 MCBSP1_DOUT
MCBSP1_SYNC
H15
V7
MCBSP2_CLKR
MCBSP2_CLKX
LCD_PIX-EL_11
G13 LCD_PIX-EL_12
A17 LCD_PIX-EL_13
C16 LCD_PIX-EL_14
D15 LCD_PIX-EL_15
C19 LCD_PIX-EL_2
LCD_PIX-EL_3
G14
H13 LCD_PIX-EL_4
LCD_PIX-EL_5
A20
B19 LCD_PIX-EL_6
LCD_PIX-EL_7
C18
G18
F19 KBR_1
KBR_2
H14
E20 KBR_3
KBR_4
E19
LCD_AC
B15
LCD_HSYNC
C20
C15 LCD_PCLK
D18 LCD_PIX-EL_0
LCD_PIX-EL_1
B21
C17 LCD_PIX-EL_10
B17
GPIO_62 M7
M15
GPIO_7
Y8
GPIO_8
GPIO_9 W8
F18 KBC_0
KBC_1
D20
D19 KBC_2
KBC_3
E18
C21 KBC_4
G19 KBC_5
KBR_0
GPIO_0
R19
GPIO_1
N20
GPIO_11
N18
GPIO_12
N19
GPIO_13
N21
GPIO_14
GPIO_15 M20
M14
GPIO_2
GPIO_3 P18
P20
GPIO_4
P19
GPIO_6
T4
FDATA_15 V3
N7
FDATA_2
P2
FDATA_3
FDATA_4 P4
P7
FDATA_5
FDATA_6 R2
R3
FDATA_7
FDATA_8 R4
T2
FDATA_9
V2
FRDY
R18
FADD_7 E3
J7
FADD_8
F3
FADD_9
FCLK N3
N4
FDATA_0
FDATA_1 N2
FDATA_10 T3
P8
FDATA_11
FDATA_12 U1
U3
FDATA_13
FDATA_14
FADD_2
FADD_20 F2
L8
FADD_21
FADD_22 K4
K3
FADD_23
FADD_24 L7
FADD_25 E1
FADD_3 C1
E4
FADD_4
FADD_5 D2
F4
FADD_6
J8
G4
FADD_10
FADD_11 G3
G2
FADD_12
FADD_13 K8
H4
FADD_14
FADD_15 H3
K7
FADD_16
FADD_17 J2
J4
FADD_18
FADD_19 J3
D3
CLK32K_IN
P13
CLK32K_OUT
R13
V5
COM_MCLK_OUT
R10
COM_MCLK_REQ
CONF
V18
G8 CS_SDRAM
CTS1
R14
Y5
CTS2
C14 DQS_H
D4 DQS_L
FADD_1
CAM_D_3
CAM_D_4 K18
J14
CAM_D_5
J19
CAM_D_6
J18
CAM_D_7
H19
CAM_EXCLK
L15
CAM_HS
J15
CAM_LCLK
M19
CAM_RSTZ
L18
CAM_VS
A11 CDD_DLL
U19 ARMIO_2
N15 ARMIO_3
V8
T19 ARMIO_4
ARMIO_5
T20
J20 ARM_BOOT
BDCLK2 Y4
BVLZ
W19
L19
CAM_D_0
K14
CAM_D_1
K15
CAM_D_2
K19
UCP100
AA15
0_STATE1
0_STATE2 Y14
0_STATE3 W5
V6
0_STATE4
0_STATE5 M18
ARMIO_1
VDD_30D
L102
L101
VDD_18D
C122
C130
C102
C114
VDD_18D
VDD_30D
R149
PWR_KEEP
BT_RXD
CD_CLK_12M
LDQM
MMC_LDO_ON
MMC_SENSE
SDA
JACK_SENSE
USB_nINSERTED
nCS_SDRAM0
NFCS_3
BT_TXD
SA(7)
SA(6)
SA(5)
SA(4)
SA(3)
SA(2)
SA(1)
SA(0)
SD(0:15)
SD(15)
SD(14)
SD(13)
SD(12)
SD(11)
SD(10)
SD(9)
SD(8)
SD(7)
SD(6)
SD(5)
SD(4)
SD(3)
SD(2)
SD(1)
SD(0)
nSCAS
nSWE
SCLK
UDQM
SCKE
BT_CTS
PH_ACTIVE
CAM_MCLK
CAM_PWR
BT_REQ
KB_LED_EN
SBANK_0
SBANK_1
SA(0:12)
SA(12)
SA(11)
SA(10)
SA(9)
SA(8)
FA(17)
FA(18)
FA(19)
FA(20)
FA(21)
FA(22)
FA(23)
FA(24)
FA(25)
FA(13)
AP_AT_nDSR
LCD_BACKLIGHT
PH_PWR_ON
PDA_ACTIVE
PDA_WAKEUP
PH_WAKEUP
CLK32K_OMAP
OMAP_TRST
FD(8)
FD(9)
FD(10)
FD(11)
FD(12)
FD(13)
FD(14)
FD(15)
FA(1:25)
FA(1)
FA(2)
FA(3)
FA(4)
FA(5)
FA(7)
FA(9)
FA(10)
FA(12)
FA(14)
FA(16)
nSRAS
BT_RTS
USB_DP
USB_DM
MODE_SW
SCL
FA(6)
FA(8)
FA(11)
FA(15)
PWR_HOLD
NFWE
NFOE
FD(0:15)
OMAP_RTCK
KB_nSCAN(3)
KB_nSCAN(2)
KB_nSCAN(1)
KB_nSCAN(0)
KB_nIN(4)
KB_nIN(3)
KB_nIN(2)
KB_nIN(1)
KB_nIN(0)
IIS_SCLK
IIS_LRCK
IIS_SDO
IIS_SDI
AP_AT_nDTR
CODEC_CSB
LCD_SCLK
LCD_R1
LCD_R0
LCD_G5
LCD_G4
LCD_G3
LCD_G2
LCD_G1
LCD_G0
LCD_B4
LCD_B3
LCD_B2
LCD_B1
LCD_B0
LCD_HSYNC
KB_nSCAN(5)
KB_nSCAN(4)
VDD_SHV2
CODEC_SCK
CODEC_SDO
CODEC_SDI
LCD_CS
VIB_EN
AP_AT_RXD
DEBUG_RXD
LCD_VDEN
LCD_VCLK
LCD_VSYNC
LCD_R4
LCD_R3
LCD_R2
LCD_nRESET
ANALOG_VDD_CTL
BT_nSHDN
MMC_SCLK
MMC_CMD
MMC_DAT
SW_RST_INT
FLASH_ON
OHP_nRESET
OMAP_TCK
OMAP_TDI
OMAP_TDO
OMAP_TMS
PUEN
CAM_PCLK
CAM_RESET
CAM_VSYNC
AP_AT_nCTS
FD(0)
FD(1)
FD(2)
FD(3)
FD(4)
FD(5)
FD(6)
FD(7)
LCD_SDI
SLIDE_LED_EN
PH_OFF_RDY
JACK_nSEND_END
FLIP_SENSE
ON_SW_SENSE
MMC_nInserted
AP_AT_nRTS
AP_AT_TXD
DEBUG_TXD
VID(0)
VID(1)
VID(2)
VID(3)
VID(4)
VID(5)
VID(6)
VID(7)
CAM_HSYNC

SAMSUNG Proprietary-Contents may change without notice
SGH-D720 Flow Chart of Troubleshooting and Circuit Diagrams
2-4
This Document can not be used without Samsung's authorization
D600
3
1
2
R604 C602
1
0
6
D
Z
C608
V_IN
13
2
TR603
C609
R609
U610
2
5
6
3
1
4
R605
VRTC
C601
2
R608
1
2
TR602
1
3
3
G
S
4
D601
3
TR600
12 5 6
VBAT
VDD_30D
RTC_nALARM
ON_SW_SENSE
JIG_ON
PWR_ON_AP
PWR_HOLD
VDD_30DV_IN
C607
D
N
G
N/C
5
8
N/C
N/C 7
VIN
110
VOUT1
VOUT2 9 EN1
EN2
3
6
GND
D
N
G
11 12
D
N
G
D
N
G
13 14
D
N
G
D
N
G
15 16
U605
4CBYP
2
C606
C604
VDD_18D
C605
1
GND
2
OUTVDD
3
U606
OHP_nRESETnBAT_LOW
7
1
6
C
L600
VDD_15D
8
1
6
C
8
4
NC
5
NC
9
PGND
SW
10
VIN
1
VOUT
6
7
AGND
2
AVIN
EN
3
11
GND
MODE/SYNC
U604
V_IN
nBAT_LOW

SAMSUNG Proprietary-Contents may change without notice
SGH-D720 Flow Chart of Troubleshooting and Circuit Diagrams
2-5
This Document can not be used without Samsung's authorization
2-1-2. Initial
UCP400 pin C16
(C410, C411)
=1.8V
Check U606
NO
YES
Initial Failure
UCP400 pin B14
(C406)
=3.0V Check the U500 and C516
NO
YES
Check and resolder SLIDE connector CN800
if there is solder bridhe between the pins
END
YES
YES
Check the U500 and C517
NO
YES
Check the clock
signals at
pin3 and pin5 of
OSC400
Freq=13MHz
Check the clock generation circuit
(OSC400)
NO
Check the pin C12
of U500 is "High" Check U500 and C514
NO
YES
Check the
pin 2 of
U606 is "High"

SAMSUNG Proprietary-Contents may change without notice
SGH-D720 Flow Chart of Troubleshooting and Circuit Diagrams
2-6
This Document can not be used without Samsung's authorization

SAMSUNG Proprietary-Contents may change without notice
SGH-D720 Flow Chart of Troubleshooting and Circuit Diagrams
2-7
This Document can not be used without Samsung's authorization