GSM TELEPHONE

GSM TELEPHONE
SGH-E720
GSM 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-E720 Specification
1-1. GSM General Specification
GSM900
Phase 1
EGSM 900
Pha se 2
DCS1800
Phase 1
PCS1900
Freq. Ban d [M Hz ]
Upl in k/Downl in k
89 0~ 91 5
93 5~ 96 0
88 0~ 91 5
92 5~ 96 0
1 71 0~ 1 78 5
1 80 5~ 1 88 0
18 50 ~1 91 0
19 30 ~1 99 0
A RF C N ra n g e
1 ~ 1 24
0 ~ 1 24 &
9 75 ~ 10 23
51 2~8 85
5 12 ~ 8 10
Tx/Rx spaci ng
45 MHz
45 MHz
95 MHz
8 0M H z
Mod. Bit rat e/
Bit Period
270.833kbp s
3.692us
2 70 . 8 33 k b ps
3.692us
270.833kbp s
3.692us
27 0. 83 3kb p s
3. 69 2u s
Tim e Sl ot
P eri od /F rame
Peri od
576.9us
4. 61 5m s
576.9us
4 .6 15 m s
576.9us
4. 61 5ms
57 6. 9u s
4. 61 5ms
Modu lat ion
0. 3GM SK
0. 3GM S K
0. 3GM SK
0.3GMSK
3 0d B m ~ 0 d Bm
30 d Bm ~0d Bm
M S Power
3 3d B m ~ 13 dBm 33dBm~5dBm
P ow e r Cl a ss
5pcl ~ 15pcl
5pcl ~ 19pcl
0pcl ~ 15pcl
0pcl ~ 15pcl
S e nsi ti vit y
-102dBm
- 10 2d B m
-100dBm
-100dBm
TDM A Mu x
8
8
8
8
Cell Radiu s
35 Km
35 Km
2Km
-
1-1
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SGH-E720 Specification
1-2. GSM TX power class
TX Power
control level
GSM900
TX Power
control level
DCS1800
TX Power
control level
PCS1900
5
33±2 dBm
0
30±3 dBm
0
30±3 dBm
6
31±2 dBm
1
28±3 dBm
1
28±3 dBm
7
29±2 dBm
2
26±3 dBm
2
26±3 dBm
8
27±2 dBm
3
24±3 dBm
3
24±3 dBm
9
25±2 dBm
4
22±3 dBm
4
22±3 dBm
10
23±2 dBm
5
20±3 dBm
5
20±3 dBm
11
21±2 dBm
6
18±3 dBm
6
18±3 dBm
12
19±2 dBm
7
16±3 dBm
7
16±3 dBm
13
17±2 dBm
8
14±3 dBm
8
14±3 dBm
14
15±2 dBm
9
12±4 dBm
9
12±4 dBm
15
13±2 dBm
10
10±4 dBm
10
10±4 dBm
16
11±3 dBm
11
8±4 dBm
11
8±4 dBm
17
9± 3dBm
12
6±4 dBm
12
6±4 dBm
18
7±3 dBm
13
4±4 dBm
13
4±4 dBm
19
5±3 dBm
14
2±5 dBm
14
2±5 dBm
15
0±5 dBm
15
0±5 dBm
1-2
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2. SGH-E720 Flow Chart of Troubleshooting
2-1.Baseband
2-1-1. Power ON
'Power ON' Does not work
Check the current consumption
Current consumption
NO
Down load again
≥100mA ?
YES
Check the V bat. voltage
NO
Voltage ≥ 3.3V ?
Charge the Battery
YES
Check the pins of U401
NO
C415 ≥ 1.8V ?
Check U401 and C415
YES
C418 and C419 = 2.8V?
NO
YES
NO
C420=1.5V?
Check U401 and C420
YES
Check the clock signal
NO
at pin #3 of OSC101
Check the clock generation
circuit (OSC101, F100 pin#4)
Freq.=13MHz,Vrms ≥300mV
YES
Check the Initial operation
END
2-1
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SGH-E720 Flow Chart of Troubleshooting
CP_WEN
CP_OEN
FLASH_RESET
ROM1_C S
RAM1_C S
ONENAND_C S
LCDC_C S
YMU_C S
LOWER_BYTE
UPPER_BYTE
A(1:24)
D(0:15)
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
A(1)
A(2)
A(3)
A(4)
A(5)
A(6)
A(7)
A(8)
A(9)
A(10)
A(11)
A(12)
A(13)
A(14)
A(15)
A(16)
A(17)
A(18)
A(19)
A(20)
A(21)
A(22)
A(23)
A(24)
A(0)
SIMCLK
SIMDAT A
SIMRS T
USB_SUSP
USB_VPI
USB_VM I
USB_VPO
USB_VM O
USB_OE N
USB_DAT A
UP_SCLK
UP_SD O
UP_SD I
UP_C S
DEBUG_RTS
DEBUG_TXD
DEBUG_RXD
DEBUG_CTS
SDS_TXD
SDS_RXD
KEY_COL(0:4)
PSW1_BUF
KEY_ROW(0:5)
B7
C8
D8
A6
C6
C5
D7
E7
C4
C2
A3
B3
B1
D6
D5
D3
E8
F8
E6
D2
E4
E3
F5
F4
F3
F2
A8
E9
F9
G10
G11
F11
E11
G12
D11
E12
C12
A12
F12
D12
E13
D13
D14
B14
E14
H14
A14
C15
G14
J14
D15
C16
F15
B17
H16
A17
A_A0
A_A1
A_A2
A_A3
A_A4
A_A5
A_A6
A_A7
A_A8
A_A9
A_A10
A_A11
A_A12
A_A13
A_A14
A_A15
A_A16
A_A17
A_A18
A_A19
A_A20
A_A21
A_A22
A_A23
A_A24
PIO35_A_A25_BOOTSEL
A_D0
A_D1
A_D2
A_D3
A_D4
A_D5
A_D6
A_D7
A_D8
A_D9
A_D10
A_D11
A_D12
A_D13
A_D14
A_D15
A_WE N
A_OEN
PIO30_WAITN
FLASHRSTN
A_CS0N
A_CS1N
A_CS2N
A_CS3N
A_CS4N
A_CS5N
A_CS6N
A_CS7N
A_BE0N
A_BE1N
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
SIMCLK
C208
VCCD_1_8
C207
C209
VRTC
C206
T12
V14
U14
N12
N11
V12
N15
N16
M17
M18
T15
W6
V6
P11
N10
N9
N8
P9
P8
R9
T9
T8
U8
V8
R8
T7
R7
T6
U6
R6
N6
V4
T5
U4
V3
W3
W2
V1
V16
T14
U15
T17
T13
L5
M4
K12
P12
P16
P18
P17
M19
M16
J16
R14
U18
R243
DSP_DB(15)
DSP_DB(14)
DSP_DB(13)
DSP_DB(12)
DSP_DB(11)
DSP_DB(10)
DSP_DB(9)
DSP_DB(8)
DSP_DB(7)
DSP_DB(6)
DSP_DB(5)
DSP_DB(4)
DSP_DB(3)
DSP_DB(2)
DSP_DB(1)
DSP_DB(0)
DLC_DETEC T
EAR_SWITC H
OLED_BACK_EN
VCAM_EN
DIM_EN
BRIGHTNES S
XOENAQ
PWR_KEEP
CLK32K
RTCALAR M
V201
PCM_SYNC
PCM_IN
PCM_OUT
PCM_CLK
DSP_IN T
DSP_IO
DSP_RWN
DSP_AB(8)
DSP_AB(7)
DSP_AB(6)
DSP_AB(5)
DSP_AB(4)
DSP_AB(3)
DSP_AB(2)
DSP_AB(1)
DSP_AB(0)
R208
CP_TD O
CP_TD I
CP_TC K
CP_TM S
NAND_IN T
HALL_SENSO R
LCDC_INT
YMU_IR Q
JACK_IN T
INTRQ
M_HOL D
USB_CON
AMP_SHD N
R207
4
Y
CLK13M_TR
RST
B
DSP_DB(0:15)
R241
DSP_AB(0:8)
U204
R209
2
1
DSP_TMS
DSP_TDO
DSP_TDI
DSP_TC K
VCCD
VC C
5
3
GN D A
JIG_ON
VCC D
2
3
R242
1
Q200
RST
DSP_TDO
DSP_TDI
DSP_TMS
DSP_TCK
DSP_RWN
VBAT
ANT
JIG_ON
SDS_RXD
SDS_TXD
BP_VF
C220
JTAG
CN506
17 TRST
1
18
2
TDO
19 TDI
3
20
4
TMS
21 TCK
5
22
F-WE
6
23
V_BATT GND
24
GND
V_BUS
25
HP/POWER D+
26
RXD
D27
SPK+
TXD
28
SPK28
29
MIC+
29
30
MOT+
30
31
31
15
32
ANT
16
3
2
G2
G3
G4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
C211
100K
VCCD_1_8
C222
OUT
GND
U203
VCCD_1_8
1 VCC
G1
BOARD_HOLE
VCCD
C221
C210
F200
VCCD_1_5
C201
C205
TDO
TDI
TCK
CKO_IAC K
IOBIT1_PIO06
IOBIT0_PIO05
SPFS1_PIO15
SPTXD1_I2SD_PIO16
SPRXD1_PIO17
SPCLK1_PIO18
INT0
IO
RWN
D_D15
D_D14
D_D13
D_D12
D_D11
D_D10
D_D9
D_D8
D_D7
D_D6
D_D5
D_D4
D_D3
D_D2
D_D1
D_D0
D_A8
D_A7
D_A6
D_A5
D_A4
D_A3
D_A2
D_A1
D_A0
TEST3
TEST2
TEST1
CPTSTSTOP_CKO
ATDO_PWM2
ATDI_RTS 1
ATCK_CTS 1
ATMS_PIO45
PIO31_IRQ6
PIO00_IRQ5
IRQ4
IRQ3
IRQ2
IRQ1
PIO47
PIO34
PIO33
C217
OSC201
TRIDENT HP
C223
USB_5V
USB_D+
USB_DSPK1P
SPK1N
MIC+
MOT
MIC-
HALL_SENSOR
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C202 C203 C204
U201
C216
AUDIO_OUT_SE L
USB_DET
P_MODE
FLASH_EN1
BT_SLEE P
EAR_OUT_SEL
VBT_EN
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NC2 2
NC1 1
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
KEY_ROW(5)
2-2
F18
F17
R11
T11
M12
M11
M10
M9
M8
L8
L7
K8
J12
H12
H11
H10
H9
H8
G9
G8
A18
A2
V13
V7
N18
M2
H18
G2
B13
B8
W18
W8
U12
U5
U1
T18
P1
L16
L4
F1
D18
D9
C14
C1
B16
B12
B6
B4
G18
W12
G15
W14
R12
VSSA_U
VDDA_U
VSSA_D
VDDA_D
VSS18
VSS17
VSS16
VSS15
VSS14
VSS13
VSS12
VSS11
VSS10
VSS9
VSS8
VSS7
VSS6
VSS5
VSS4
VSS3
VSS2
VSS1
VDD_CORE8
VDD_CORE7
VDD_CORE6
VDD_CORE5
VDD_CORE4
VDD_CORE3
VDD_CORE2
VDD_CORE1
VDD_IO_1P8_18
VDD_IO_1P8_17
VDD_IO_1P8_16
VDD_IO_1P8_15
VDD_IO_1P8_14
VDD_IO_1P8_13
VDD_IO_1P8_12
VDD_IO_1P8_11
VDD_IO_1P8_10
VDD_IO_1P8_9
VDD_IO_1P8_8
VDD_IO_1P8_7
VDD_IO_1P8_6
VDD_IO_1P8_5
VDD_IO_1P8_4
VDD_IO_1P8_3
VDD_IO_1P8_2
VDD_IO_1P8_1
VRTC
CKI
RESTN
TMS
TRSTN
SIMIO
PIO14_SIMRST
PIO07_USB_SUSP
PIO09_USB_VPI
PIO11_USB_VMI
PIO12_USB_VPO
PIO13_USB_VMO
PIO36_USB_OEN
PIO37_USB_DATA
SPCLK0
SPRXD0
SPTXD0_I2SD
SPFS0
RIO_PIO01
DSR0_PIO02
DTR0_PIO03
RTS0_PIO04
TX0
RX0_IRQ28
CTS0_PIO29
DCD0_PIO44
PIO41_IRDATX
PIO42_IRDARX
TX1
RX1_IRQ28
KEYBRD0
KEYBRD1
KEYBRD2
KEYBRD3
KEYBRD4
KEYBRD5
KEYBRD6
KEYBRD7
KEYBRD8
KEYBRD9
KEYBRD10
KEYBRD11_PSW1_BUF
PIO38_MCI_CLK
PIO08_MCI_CMD
PIO21_MCI_DAT0
PIO22_MCI_DAT1
PIO23_MCI_DAT2
PIO24_MCI_DAT3
PIO39_MCI_CMD_EN
PIO40_MCI_DAT_EN
PIO43_MCI_DAT0_EN
X1RTC
X2RTC
RTCALARMN
OSC32OUT
PIO19_PWRKEEP
PIO20_SYSCLKREQ
PWM1_PIO46
PIO10
PIO25
PIO26
PIO27
PIO28
PIO32
P4
T2
P5
B19
C19
C18
D17
E16
F16
E17
R3
R4
U2
T3
P3
P2
N4
N2
M3
M1
M6
N5
R16
R17
K7
L6
J7
J6
J5
J4
J8
H6
H4
H1
H3
G6
G4
H2
J15
J13
K13
L12
L13
L15
L14
M14
N14
H19
F19
H17
G16
P15
P19
G5
V17
V19
U16
U19
W17
R13
SGH-E720 Flow Chart of Troubleshooting
2-1-2. Initial
Initial Failure
NO
The voltage at the C415=1.8V?
The voltage at the C419=2.8V?
Check the U401
(If it has some problem,
it has to be replaced.)
YES
NO
The voltage at the ZD405
" Low --> High" ?
Check the U401
(If it has some problem,
it has to be replaced.)
YES
NO
There is 32.768KHz wave
form at the C216, C217 ?
Check the U201
YES
The voltage on R412 is
NO
"Low --> High" ?
Check the U201
YES
The voltage is 2.8V
NO
at the C416,C418,C419 ?
Check the U401
YES
NO
LCD Display OK ?
Check the LCD part
YES
NO
Sound operation OK ?
Check the Audio part
YES
END
2-3
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This Document can not be used without Samsung's authorization
SGH-E720 Flow Chart of Troubleshooting
DSP_DB(0:15)
DSP_AB(0:8)
DSP_IO
DSP_RWN
FLASH_RESET
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
AB8
AB7
AB6
AB5
AB4
AB3
AB2
AB1
AB0
I|O
RWN
RESETN_CSP
OCTL0
OCTL1
OCTL2
OCTL3
OCTL4
OCTL5
OCTL6
OCTL7
DSP_DB(15) D2
DSP_DB(14) D3
DSP_DB(13) E3
DSP_DB(12) E2
DSP_DB(11) F3
DSP_DB(10) F2
DSP_DB(9) F1
DSP_DB(8) F4
DSP_DB(7) G4
DSP_DB(6) G3
DSP_DB(5) H5
DSP_DB(4) J6
DSP_DB(3) J5
DSP_DB(2) K3
DSP_DB(1) K2
DSP_DB(0) K1
DSP_AB(8)
K5
DSP_AB(7)
K7
DSP_AB(6)
M1
DSP_AB(5)
M2
DSP_AB(4)
N2
DSP_AB(3)
N1
DSP_AB(2)
L5
DSP_AB(1)
P1
DSP_AB(0)
K6
L3
L2
R3
E6
C5
F5
E5
A4
G6
B3
A3
SERLE1
SERLE2
SERDA
SERCK
EAR_CHECK
VRF VCCA
VCCD_1_8
C400
VCCD
VBAT
C404
SIMCLK
SIMRST
SIMDATA
SIM_IO
SIM_RST
SIM_CLK
VSIM
VSIM
SIM_RST
SIM_CLK
C406 C407
C457
C408
C416
VCCA
C415
VCCD_1_8
C414
R406
BP_VF
RTCALARM
1 1
22
3 3
C409
CN401
6 6
5 5
4 4
G G G G
10 9 8 7
R413
TH101
C419
C421
C456
VCCB
C405
C420
VCCD VCCD_1_5
C418
VRF
C417
R414
SIM_IO
VRTC
R405
M400
SAMSUNG Proprietary-Contents may change without notice
C403
N9
R10
P10
J11
K11
K14
VBAT
VBAT VCCB
KEY_BL2 VCCB
KEY_BL1
MOT
DCS_TX_EN
GSM_TX_EN
UP_CS
UP_SCLK
UP_SDO
UP_SDI
R407
C427
VIB_EN
INTRQ
PWR_KEEP
RST
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C402
UP_CLK
UP_RST
UP_IO
SIM_IO
SIM_RST
SIM_CLK
K12
H11
G12
G13
F13
F15
C12
A14
C9
D10
B10
B11
A12
B12
A13
J12
G11
F14
VDD34 C11
VDD12 J13
VSIM
VRTC
LED2_DRV
LED1_DRV
RING_DRV
VIB_DRV
VLDO_7
VLDO_6
VL5S_B
VL5S_A
VLDO_5
VL4S_B
VL4S_A
VLDO_4
VLDO_3
VLDO_2
VLDO_1
VACC
K8
L8
N7
M7
C426
ZD405
2-4
C401
U401
CSN_PSC
SCLK_PSC
SDO_PSC
SDI_PSC
E14
E13
E11
F12
D14
R412
RTC_ALMN H10
VEXT
VBAT
CH_BDRV
CH_ISEN
CH_RES
VIB_RNG_EN
PCS_RX_EN
B1
A2
C1
C2
RTC_CLK
XOENAQ
MC
NC7
DINTR
C458
N4
D1
R6
P5
P3
DSP_INT
PWR_SW2
PWR_SW1N
PSW1_BUF
RESET_O
MODE
PWR_KEEP
INTRQ
C14
C15
L7
K9
N10
M9
L10
L9
JIG_ON
PWR_ON
PSW1_BUF
AOUTAP
AOUTAN
AOUTBP
AOUTBN
MICINP
MICINN
MICOUTP
MICOUTN
AUXINP
AUXINN
AUXOUTP
AUXOUTN
VXVCM
VREGP
VREGN
DAICK
DAIRN
DAIDI
DAIDO
CLK32K
XOENAQ
D15
E10
A10
E9
B4
C4
P13
L11
F6
A6
M10
N11
P6
R2
K4
G5
J4
N5
N6
M3
J3
F11
K15
B15
E8
B13
C10
ADC_AUX2
ADC_AUX1
VREF
CREF
GND_OCTL
VDD_OCTL
GNDV
VDDV
GNDB
VDDB
GNDD
VDDD
VSS4
VSS3
VSS2
VSS1
VDD_IO2
VDD_IO1
VDD3
VDD2
VDD1
GND_HCUR
GND_PSC2
GND_PSC1
GNDQ
VDD67
VDD5
P11
N12
R12
P12
N14
M14
N15
P15
M15
L14
K13
L13
R13
M13
R14
R4
P4
L6
M6
AOUTAP
AOUTAN
AOUTBP
AOUTBN
MICINP
MICINN
MICOUTP
MICOUTN
AUXINP
AUXINN
AUXOUTP
AUXOUTN
RAREF2
RAREF1
RXTXIP
RXTXIN
RXTXQP
RXTXQN
B5
B6
D7
D6
C7
C6
RTXIP
RTXIN
RTXQP
RTXQN
TX_BAND_SEL
RF_EN
PAC_EN
SERLE
SERDAT
SERCLK
2
1
K10
J10
J9
J8
J7
H9
H8
H7
H6
G10
G9
G8
G7
F10
F9
F8
F7
D13
D9 AFC
E7 TXP
POS
NEG
NC6
NC5
GNDS17
GNDS16
GNDS15
GNDS14
GNDS13
GNDS12
GNDS11
GNDS10
GNDS9
GNDS8
GNDS7
GNDS6
GNDS5
GNDS4
GNDS3
GNDS2
GNDS1
AUX_ADC3
C428
AFC
VAPC
SGH-E720 Flow Chart of Troubleshooting
2-1-3. Sim Part
"Insert SIM" is displayed on the LCD
NO
The voltage is 2.8V
at the pin #1 of CN401?
Check the U401
YES
NO
Is there any signal
pin #2,3,4 of CN401 ?
Check the U401 & U201
YES
Check the SIM Card
END
2-5
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SGH-E720 Flow Chart of Troubleshooting
2-1-4. Microphone Part
Micro-phone does not work
NO
Is the assembled status of
Microphone O.K?
Reassemble the microphone
YES
Check the DC bias voltage on
Mic path.
NO
The voltage of C437 is
about 2.2V±10%?
Solder the microphone again
or Replace
C437,C438,R428,R430,R433
YES
NO
Is microphone OK?
Check U401
YES
END
2-6
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SGH-E720 Flow Chart of Troubleshooting
R464
C444
C436
17
NC
NC
1S2
1-2IN
2S1
D2
16
5
15 14 13
7
U403
6
8
C463
D4
4S1
3S2
3-4IN
R421
R422
12
11
10
9
C461
R472
R453
R458
C464
R471
C462
F400
C430
C432
C441
C447
200
LOUT
EAR_L
AOUTBN
EAR_OUT_SEL
ROUT
AOUTBP
EAR_R
HPOUT-L
HPOUT-R
JACK_INT
EAR_L
EAR_R
VCCD_1_8
MIC+
1UF
1UF
C434
C475
C474
D(1)
D(0)
CP_WEN
YMU_CS
A(0)
CP_OEN
MIC-
C433
C439
C440
CLK13M_YMU
MIC400
YMU_IRQ
RST
L401
L402
C448
26
G
D(5)
3
D(6)
5
6
R404
C450
4
U402
D5
MSPK+
G
SPVSS
EQ3
SPVDD
EQ2
EQ1
HPOUT-R
G
36
16
15
14
13
12
11
35
10
R401
C413
C451
R403
EAR_CHECK
EAR_SWITCH
C423
VCCD
C422
C424
R429
VCCD_1_8
9
HPOUT-L/MONO
8
C425
7
25 24 23 22 21 20 19 18 17
D1
D0
/WR
/CS
A0
/RD
C449
1
2
D4
C467
/IRQ
IOVDD
G
VIB_EN
MTR
VDD
33
27
28
29
30
31
32
34
D(4)
D3
3.3V_SW_AK
R430
R433
C452
C410
R402
HPOUT-R
HPOUT-L
R423
VCCD_1_8
R473
C412
3.3V_SW_AK
CN400
11 12 13 14
C411
VBAT
1 1
22
3 3
44
5 5
66
7 7
G 15
88
G 16
9 9
G 17
G1 8
10 10
G G G G
C468
SAMSUNG Proprietary-Contents may change without notice
21
22
1
2
3
4
C465
R424
R457
C466
R434
R454
2-7
D(3)
D2
LED
AOUTAP
R410
C445
C435
R436
C469
C472
This Document can not be used without Samsung's authorization
SPK1P
MELODY+
AUDIO_OUT_SEL
AOUTAN
SPK1N
MELODY-
MICINP
MICOUTP
MICINN
MICOUTN
GND
R455
ZD406
MSPKSPOUT1
VREF
SPOUT2
VSS
V401
VCCA
C438
C446
C453
ZD402
D(7)
D7
PLLC
V400
V+
3S1
D6
NC
1S1
GND
D(2)
/RST
CLKI
V404
R428
C437
AUXINP
AUXOUTP
AUXINN
AUXOUTN
V403
4S2
D3
D1
2S2
SGH-E720 Flow Chart of Troubleshooting
2-1-5. Speaker Part
There is no sound from speaker
NO
Is the terminal of speaker O.K?
Replace the speaker
YES
NO
Are there any signal
at the pin #40,42 of CN507?
Check the LCD module
& Replace CN507
YES
The type of sound from
the speaker is Melody?
YES
Are there any signal
at the pin #1,5 of U403?
NO
NO
Are there any signal
at the pin #3,15 of U403?
NO
YES
YES
Pin #2 of U403
is Low?
NO
Check
U402,
U401,
U201
NO
Pin #2 of U403
is High?
YES
YES
Pin 14 of U403
is 3.3V?
YES
Check U403
NO
Pin 3 of U303
is High?
YES
Check U303
NO
Check U401
END
2-8
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SGH-E720 Flow Chart of Troubleshooting
2-1-6. Camera Part
Camera function does not work
NO
Check the connect CN507?
Connect the CN507
YES
NO
Pin #4 of U306 = 1.8V?
Check the U306&R376
YES
YES
Pin #10 of U302 = 2.5V?
NO
Pin #2 of U302 = High?
NO
Check
U201
YES
Pin#3 of OSC300 is 24.5MHz?
NO
Pin#3 of Q301 = 1.8V?
Pin#1 of Q301 = Low?
NO
NO
Check
pin #30 of CN507?
U201
YES
Pin#56 of CN507 is High?
Replace
OSC200
NO
YES
Is that clock signal at the
YES
NO
Check
U300
END
2-9
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YES
Check
Q301
SGH-E720 Flow Chart of Troubleshooting
CP_OEN
ROM1_CS
ONENAND_CS
UPPER_BYT E
LOWER_BYT E
CP_WEN
FLASH_RESET
RAM1_CS
NAND_INT
VCCD_1_8
D(0:15)
SUB_L_CS
LCD_AD_[00:15]
G6
L_DA17
H6 L_DA16
U300
RST
C322
D6
F6
H1
K9
G4
E3
R303
2.5V_VCAM
VDDI
VDDI
VDDICD
VDDAC
UVDDI
SVDDI
D5
VDDC
E5
VDDC
F5
VDDC
A9
PGND
B9
PVDD
D4
E4
F4
E6
G5
J1
G1
USB_DP
G2
USB_DM
GND
GND
GND
GND
GND
GND
R380
C367
C326
SCL
SDA
P_CLK
CAM_RST
HOR_REF
VER_REF
M_CLK
HERA_1_8
3
2
C362
2.5V_VCAM
C346
M_HOLD
C358
HERA_1_8
C328
VCCD
C327
1
Q301
FLASH_RESET
A(18)
D[0:15]
M_HOLD
LCDC_INT
CP_WEN
CP_OEN
LCDC_CS
U306
BYP
NC 5
OUT 4
6
SAMSUNG Proprietary-Contents may change without notice
R302
VBAT
7
2 GND
3 IN
1 EN
This Document can not be used without Samsung's authorization
CAM_D(0:7)
D_SDIN
D_SDOUT
D_MSCK
D_BCK
D_LRCK
LCD_AD_(02)
LCD_AD_(01)
LCD_AD_(00)
LCD_AD_(03)
LCD_AD_(06)
LCD_AD_(05)
LCD_AD_(04)
D(15)
LCD_AD_(09)
D(13)
LCD_AD_(08)
D(12)
LCD_AD_(07)
D(10)
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(11)
1.8V_VCAM
D(14)
C311
2-10
B1
F3
F2
F1
E1
E2
D1
D2
D3
C1
C2
B2
A3
C3
A1
A2
C_PWDN
C_D7
C_D6
C_D5
C_D4
C_D3
C_D2
C_D1
C_D0
C_SCK
C_SDA
C_PCLK
C_RST
C_HS
C_VS
C_MCLK
D(9)
LCD_AD_(10)
D(8)
LCD_AD_(11)
D(7)
LCD_AD_(12)
D(6)
LCD_AD_(13)
D(5)
LS_CS_N
L_DA0
L_DA1
L_DA2
L_DA3
L_DA4
L_DA5
L_DA6
L_DA7
L_DA8
L_DA9
L_DA10
L_DA11
L_DA12
L_DA13
L_DA14
L_DA15
L_RD_N
L_WR_N
L_ADS
L_CS_N
L_RESET_N
C330
C310
2.5V_VCAM
D(4)
LCD_AD_(14)
LCD_AD_(15)
H8
K6
J6
K5
K4
J4
K1
K2
K3
J2
J3
H2
H3
H4
J5
H5
G3
J8
J7
G7
H7
K7
R318
VOUT2 9
D(3)
D(8)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
D(0:15)
LCD_RD
LCD_WEN
L_ADS
MLCD_CS
A(1)
A(2)
OSC300
C329
N/C 8
D(2)
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
VBAT
2 EN1
N/C 7
VOUT1 0
U302
3 EN2
GND 6
11 VIN
4 CBYP
1112 131415 16
A(8)
1
2
NC
NC
5 N/C
C9 M_SA0
C8 M_SA1
A10 XOUT2
B10 XIN2
D_LRCK H9
D_BCK J10
D_MSCK J9
D_SDATAOUT H10
D_SDATAIN K8
M_ADS
M_SD0
M_SD1
M_SD2
M_SD3
M_SD4
M_SD5
M_SD6
M_SD7
M_SD8
M_SD9
M_SD10
M_SD11
M_SD12
M_SD13
M_SD14
M_SD15
M_CS_N
M_RD_N
M_WR_N
M_INTR
M_HOLE
M_RESET_N
MS_CS_N
B8
G10
G9
G8
F10
F9
F8
F7
E10
E9
E7
E8
D10
D9
D7
D8
C10
A6
A8
A7
C7
B6
B7
C6
D(1)
A(1)
A(2)
A(3)
A(4)
A(5)
A(6)
A(7)
A(8)
A(9)
A(10)
A(11)
A(12)
A(13)
A(14)
A(15)
A(16)
A(1)
A(2)
A(3)
A(4)
A(5)
A(6)
A(7)
A(8)
A(9)
A(10)
A(11)
A(12)
A(13)
A(14)
A(15)
A(16)
A(17)
A(18)
A(19)
A(20)
A(21)
A(22)
A(23)
A(24)
VCAM_EN
C308
3
A(1:16)
A(1:24)
VCCD_1_8
R202
R205
R203
R204
C219
C312
GND
2
GPIO_0 C5
GPIO_1 B5
GPIO_2 A5
GPIO_3 C4
GPIO_4 B4
GPIO_5 A4
T_MODE0 K10
STROBE B3
D(0)
1
4
GND
GND
GND
GND
GND
GND
SGH-E720 Flow Chart of Troubleshooting
2-1-7. Mp3 Display Part
There is no MP3 sound from Earphone
YES
Are there any signal
at the pin #4,6 of CN400?
Replace the Earphone
NO
YES
Are there any signal
at the pin #8,12 of U403?
Check C439,440,474,475,452,448
& L401,402, V400,401
NO
YES
Are there any signal
at the pin #9,13 of U403?
Pin #10 of U403
is Low?
NO
NO
Check
U201
YES
YES
Are there any signal
at the R350,351?
Check
R350,351
Pin 14 of U403
is 3.3V?
NO
YES
Check
U403
NO
NO
The voltage of C334
is 3.3V?
Pin 3 of U303
is High?
YES
The voltage of C344
is 2.5V?
YES
NO
NO
Pin 2 of U302
is High?
YES
Check U401
NO
Check
U201
Check
U302
END
Check the U301
Check the U300
Check the U201
END
2-11
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YES
Check
U303
SGH-E720 Flow Chart of Troubleshooting
VBAT
CN507
1
3
5
78
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
VCCD
LCD_AD(00)
LCD_AD(02)
LCD_AD(04)
LCD_AD(06)
LCD_AD(08)
LCD_AD(10)
LCD_AD(12)
LCD_AD(14)
LCD_WEN
MLCD_CS
FLASH_EN1
CAM_DA(0)
CAM_DA(1)
CAM_DA(2)
CAM_DA(3)
CAM_DA(4)
CAM_DA(5)
CAM_DA(6)
CAM_DA(7)
1.8V_VCAM
VBAT
MOT
DIM_EN
KEY_ROW(5)
BRIGHTNESS
KEY_COL(1)
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
2
4
6
KEY_BL2
LCD_AD(01)
LCD_AD(03)
LCD_AD(05)
LCD_AD(07)
LCD_AD(09)
LCD_AD(11)
LCD_AD(13)
LCD_AD(15)
L_ADS
SUB_L_CS
FLASH_RESET
SCL
SDA
M_CLK
P_CLK
VER_REF
HOR_REF
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
R356
KEY_BL1
AOT-0603P-W03-X
LED317
304
AOT-0603P-W03-X
LED301
R305
AOT-0603P-W03-X
LED302
306
AOT-0603P-W03-X
LED303
AOT-0603P-W03-X
LED304
R307
SPK1P
SPK1N
MP3_MIC
MP3_GND
OLED_BACK_EN
2.5V_VCAM
KEY_COL(0)
LCD_RD
CAM_RST
KEY_COL(2)
358
R308
R309
310
311
C519
R312
C517
C516
C522
AOT-0603P-W03-X LED316
R357
R313
R314
R316
AOT-0603P-W03-X
LED318
AOT-0603P-W03-X
LED308
AOT-0603P-W03-X
LED309
AOT-0603P-W03-X
LED310
AOT-0603P-W03-X
LED311
AOT-0603P-W03-X
LED312
AOT-0603P-W03-X
LED313
AOT-0603P-W03-X
LED314
AOT-0603P-W03-X
LED315
F500
F501
LCD_AD_(06)
1 IN1
OUT1 9
LCD_AD(06)
LCD_AD(01)
9 OUT1
IN1 1
LCD_AD_(01)
LCD_AD_(04)
2 IN2
OUT2 8
LCD_AD(04)
LCD_AD(03)
8 OUT2
IN2 2
LCD_AD_(03)
LCD_AD_(02)
3 IN3
OUT3 7
LCD_AD(02)
LCD_AD(05)
7 OUT3
IN3 3
LCD_AD_(05)
LCD_AD_(00)
4 IN4
OUT4 6
GND GND
LCD_AD(00)
LCD_AD(07)
6 OUT4
IN4 4
GND GND
LCD_AD_(07)
10 5
5 10
F503
F502
LCD_AD_(14)
1 IN1
OUT1 9
LCD_AD(14)
LCD_AD(09)
9 OUT1
IN1 1
LCD_AD_(09)
LCD_AD_(12)
2 IN2
OUT2 8
LCD_AD(12)
LCD_AD(11)
8 OUT2
IN2 2
LCD_AD_(11)
LCD_AD_(10)
3 IN3
OUT3 7
LCD_AD(10)
LCD_AD(13)
7 OUT3
IN3 3
LCD_AD_(13)
LCD_AD_(08)
4 IN4
OUT4 6
GND GND
LCD_AD(08)
LCD_AD(15)
6 OUT4
IN4 4
GND GND
LCD_AD_(15)
51 0
10 5
F505
F504
CAM_D(4)
9 OUT1
IN1 1
CAM_DA(4)
CAM_D(5)
8 OUT2
IN2 2
CAM_DA(5)
CAM_D(6)
7 OUT3
IN3 3
CAM_DA(6)
CAM_D(7)
6 OUT4
IN4 4
GND GND
CAM_DA(7)
CAM_D(0)
9 OUT1
IN1 1
CAM_DA(0)
CAM_D(1)
8 OUT2
IN2 2
CAM_DA(1)
CAM_D(2)
7 OUT3
IN3 3
CAM_DA(2)
CAM_D(3)
6 OUT4
IN4 4
GNDG ND
CAM_DA(3)
5 10
5 10
2-12
SAMSUNG Proprietary-Contents may change without notice
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SGH-E720 Flow Chart of Troubleshooting
2-2.RF
2-2-1. EGSM RX
Continuous RX ON
RF Input : 62 CH
AMP : -50dBm
NO
NORMAL CONDITION
Catch the channel ?
Check soldered status of
R114,115,C152,109,L145
YES
NO
U106 Check
Pin #9 ≥ -65dBm ?
CN100,C108,L103
Resolder or Change
YES
NO
U106 Check
Pin #11 ≥ -65dBm ?
U106 Resolder or Change
YES
F103 Check
Pin #1 ≥ -65dBm ?
NO
Check soldered status of
C151,L149,V102
Resolder or Change
NO
Check soldered status of
C120,121,L108,F103
YES
U103 Check
Pin#20,21 ≥ -65dBm ?
YES
U103 Check
Pin#9,32=Clean 2.8V?
NO
U401,C418,100,130
Check or resolder
YES
U103 Check
Pin#28,1,2,3=100mV?
NO
YES
U103 Check
Pin #8 : 13MHz ?
Vpp : 860mV?
OSC101 Check
Pin #3 : 13MHz ?
Vpp : 950mV?
NO
YES
YES
U103
Change or resolder
Check U401
NO
R112,C132
resolder
2-13
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OSC101 Check
Pin #4 = 2.8V ?
YES
OSC101
Change or resolder
NO
SGH-E720 Flow Chart of Troubleshooting
2-2-2. DCS RX
Continuous RX ON
RF Input : 660 CH
AMP : -50dBm
NO
NORMAL CONDITION
Catch the channel ?
Check soldered status of
R114,115,C152,109,L145
YES
NO
U106 Check
Pin #9 ≥ -65dBm ?
CN100,C108,L103
Resolder or Change
YES
NO
U106 Check
Pin #1 ≥ -65dBm ?
U106 Resolder or Change
YES
NO
F102 Check
Pin #1 ≥ -65dBm ?
Check soldered status of
C149,148
YES
NO
U103 Check
Pin#18,19 ≥ -65dBm ?
Check soldered status of
C115,119,L105,F102
YES
U103 Check
Pin#9,32=Clean 2.8V?
NO
U401,C418,100,130
Check or resolder
YES
U103 Check
Pin#28,1,2,3=100mV?
NO
YES
NO
U103 Check
Pin #8 : 13MHz ?
Vpp : 860mV?
NO
YES
OSC101 Check
Pin #3 : 13MHz ?
Vpp : 950mV?
NO
YES
U103
Change or resolder
R112,C132
resolder
Check U401
2-14
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OSC101 Check
Pin #4 = 2.8V ?
YES
OSC101
Change or resolder
SGH-E720 Flow Chart of Troubleshooting
2-2-3. PCS RX
Continuous RX ON
RF Input : 660 CH
AMP : -50dBm
NO
NORMAL CONDITION
Catch the channel ?
Check soldered status of
R114,115,C152,109,L145
YES
NO
U106 Check
Pin #9 ≥ -65dBm ?
CN100,C108,L103
Resolder or Change
YES
NO
U106 Check
Pin #2 = High ?
U401 Check & Change
YES
NO
U106 Check
Pin #3 ≥ -65dBm ?
U106 Resolder or Change
YES
NO
F101 Check
Pin #1 ≥ -65dBm ?
Check soldered status of
L147,C147
YES
U103 Check
Pin#16,17 ≥ -65dBm ?
NO
Check soldered status of
C111,113,L104,F101
YES
NO
U103 Check
Pin#9,32=Clean 2.8V?
U401,C418,100,130
Check or resolder
YES
U103 Check
Pin#28,1,2,3=100mV?
NO
YES
U103 Check
Pin #8 : 13MHz ?
Vpp : 860mV?
OSC101 Check
Pin #3 : 13MHz ?
Vpp : 950mV?
NO
YES
Check U401
NO
YES
U103
Change or resolder
R112,C132
resolder
2-15
SAMSUNG Proprietary-Contents may change without notice
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OSC101 Check
Pin #4 = 2.8V ?
YES
OSC101
Change or resolder
NO
SGH-E720 Flow Chart of Troubleshooting
2-2-4. EGSM TX
NO
U106 Pin#9
About 2~3 dBm?
NO
U106
Pin#10 = High?
U401
Check & Change
YES
YES
C108,CN100,L103
Check & Change
Level of
U106 Pin#7 is
4~5dBm ?
NO
Continuous TX ON condition
TX Power Code : 500 code Applied
CH : 62
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF. Level : 10dBm
ATT. : 20dB
YES
U106
Check & Change
NO
C102
= 3.7V?
Check the
Battery Block
YES
NO
Level of U101
Pin #20 is
1.2V?
Check
U401 TXP OK ?
YES
YES
NO
U401
Check & Change
YES
U101 pin#11
About -5 dBm?
NO
U101 pin#18
High ?
NO
Check U401
YES
Change U101
NO
U103 Check
Pin#9,32 ≥ 2.8V ?
U401,C418,100,130
Check or resolder
YES
U103 Check
Pin #8 : 13MHz ?
Vpp : 860mV?
YES
NO
U103 Pin
#4,5,6,7 = 1.7V?
NO
OSC101 Check
Pin #3 : 13MHz ?
Vpp : 950mV?
NO
OSC101 Check
Pin #4 = 2.8V ?
YES
R112,C132
resolder
YES
OSC101
Change or resolder
YES
Check U401
Change U101
2-16
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NO
SGH-E720 Flow Chart of Troubleshooting
2-2-5. DCS & PCS TX
U106 Pin#9
About 2~3 dBm?
NO
NO
U106
Pin#4 = High?
YES
U401
Check & Change
YES
C108,CN100,L103
Check & Change
Level of
U106 Pin#5 is
4~5dBm ?
NO
Continuous TX ON condition
TX Power Code : 500 code Applied
CH : 62
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF. Level : 10dBm
ATT. : 20dB
YES
U106
Check & Change
C102
= 3.7V?
NO
Check the
Battery Block
YES
Level of U101
Pin #20 is
1.2V?
NO
YES
YES
NO
Check
U401 TXP OK ?
U401
Check & Change
YES
U101 pin#15
About -5 dBm?
NO
U101 pin#18
High ?
NO
Check U401
YES
Change U101
NO
U103 Check
Pin#9,32 ≥ 2.8V ?
U401,C418,100,130
Check or resolder
YES
U103 Check
Pin #8 : 13MHz ?
Vpp : 860mV?
YES
NO
U103 Pin
#4,5,6,7 = 1.7V?
NO
OSC101 Check
Pin #3 : 13MHz ?
Vpp : 950mV?
NO
OSC101 Check
Pin #4 = 2.8V ?
YES
YES
R112,C132
resolder
OSC101
Change or resolder
YES
Check U401
Change U101
2-17
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NO
SGH-E720 Flow Chart of Troubleshooting
GSM_PAM_IN
R104
R105
C102
21
20
18
19
17
15
16
U101
VCC1B
GSMOUT
GND
GND
GSMIN
GND
DCS/PCSI N
GND
VCC1A DCS/PCSOUT
BS
GND
C103
VBAT
C104
C122
C123
C105
C106
C146
L106
GSM_PAM_IN
DPCS_PAM_IN
GSM_LNA_IN_N
GSM_LNA_IN_P
DCS_LNA_IN_N
DCS_LNA_IN_P
PCS_LNA_IN_N
PCS_LNA_IN_P
L117
C114
C145
PCS_RX_EN
DCS_TX_EN
GSM_TX_EN
ANT101
U106
G
G
DCS
G
PCS
GSM900TX GSM900RX
DCS/PCS
C112 C110 C101
L103
C147
C149
C151
V102
TP101
DEBUG_CTS
DEBUG_RTS
DEBUG_TXD
DEBUG_RXD
BT_SLEEP
VBT_EN
V101
F101
25
IN
IN
3
4
3
CN100
OUT
G OUT
G
OUT
4
GOUT
4
3
5
OUT
OUT
G
5
2
2
GG
F103
IN
F102
1
1
1
L147
10nH
C148
L149
PCM_SYNC
PCM_IN
PCM_OUT
PCM_CLK
R113
VBAT
G
3
2
1
1
A
2
C
3
G
4
G
5
G
6
C137
VCCD_1_8
BYP
OUT
U105
C140
IN
GND
EN
22
8
12
7
2
1
14
15
11
16
10
9
6.3V
VBT_2_ 8
5
4
R114
R115
C152
C111
C113
C115
C119
C120
C121
ANT
ANT1
L145
L104
L105
L108
ANT
PCS_LNA_IN_N
PCS_LNA_IN_P
DCS_LNA_IN_N
DCS_LNA_IN_P
GSM_LNA_IN_N
VCCD_1_ 8
C142
24
20
19
25
3
6
4
17
23
GSM_LNA_IN_P
PIO_0
VDD_PIO
VDD_PADS
PIO_3
PIO_4/UART_TX2
PIO_5/UART_RTS2
PIO_6/UART_CTS2
PIO_7/UART_RX2
PIO_8
C109
U104
C141
VBT_2_ 8
5 13 18 21 26
ANT
PCM_SYNC
PCM_IN
PCM_OU T
PCM_CL K
RESETB
VDD_RE G
VDD_UART
UART_RTS
UART_CTS
UART_RX
UART_TX
C135
C138
SAMSUNG Proprietary-Contents may change without notice
R106
R102
RFIGP
RFIGN
RFIDP
RFIDN
RFIPN
GND
RFIPP
SERCLK
SERDAT
SERLE
R126
This Document can not be used without Samsung's authorization
6
VC
R101
R103
C117
23
C130
C136
2-18
8
10 VC
C108
3
12
1
11
9
ANT
4
5
VC
7
2
GND 7
GND 8
GND 9
GND 10
GND
VAPC
RSVD
ENABL E
VBATT
21
20
19
18
17
1 2 3 4 5 6
C144
R123
C150
DIAG1 24
VRF
U103
SDI
9 10 11 12 13 14
DIAG2
8
SCLK
DPCS_PAM_IN
R127
35
36
1
RXQN
2
RXIP
3 RXIN
TXQN
TXQP
TXIN
4 TXIP
5
7
6
26
XEN
VAPC
PAC_EN
C100
VRF
C134
GND
GND
GND
GND
GND
22
RFOD
25
_SEN
TX_BAND_SEL
RTXIP
RTXIN
RTXQP
RTXQN
CLK13M_RF
RF_EN
_PDN
RFOG
28
RXQP
27
XOUT
SDO
XIN
VDD
GND
VDD
GND
GND
GND
34
33
32
31
30
29
GND
16 15 14 13 12 11
3. SGH-E720 Exploded View and Parts List
3-1. Cellular phone Exploded View
QFR01
QFU01
QKP02
QKP01
QME03
QGI02
QMP01
QLC01
QME01
QSP01
QCA01
QAN02
QMO01
QMI01
QCR05
QCK01
QFL01
QRF03
QRE01
QIF01
QCR05
QVO01
QSC05
QSC08
QMW01
QRF01
QCR05
QBA01
3-1
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SGH-E720 Exploded View and Parts List
3-2. Cellular phone Parts list
Location
Description
NO.
SEC CODE
QFU01
FOLDER UPPER
GH75-05914A
QKP02
MEC-KEYPAD MP3
GH75-05954A
QME03
UNIT MP3 KEY
GH59-01804A
QGI02
MP3 KEY BRACKET
GH72-20060A
QLC01
LCD
GH07-00628A
QSP01
SPEAKER
3001-001660
QMO01
MOTOR DC
GH31-00136A
QFL01
FOLDER LOWER
GH75-05915A
QMW01
MAIN WINDOW
GH75-05916A
QCR05
SCREW MACHINE
6001-001478
QSC05
SCREW CAP L
GH73-03810A
QSC08
SCREW CAP R
GH73-03811A
QCA01
UNIT CAMERA
GH59-01769A
QFR01
FRONT COVER
GH75-05913A
QKP01
KEYPAD
GH75-04986A
QMP01
MAIN PBA
GH92-01823A
QMI01
MICROPHONE ASSY
GH30-00181A
QME01
UNIT METAL DOME
GH59-01799A
QAN02
INTENNA
GH42-00499A
QCR05
SCREW MACHINE
6001-001478
QRE01
REAR COVER
GH75-05919A
EAR COVER
GH72-17957A
QVO01
KEY VOLUME
GH75-05917A
QCK01
KEY CAMERA
GH75-05918A
QIF01
IF COVER
GH72-17956A
QRF01
RF SHEET
GH74-11931A
QCR05
SCREW MACHINE
6001-001478
QBA01
BATTERY
GH43-01572A
QRF03
3-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Remark
SGH-E720 Exploded View and Parts List
3-3. Test Jig
(GH80-03307A)
3-3-1. RF Test Cable
3-3-2. Test Cable
(GH39-00283A)
3-3-3. Serial Cable
(GH39-00304A)
3-3-4. Power Supply Cable
3-3-5. DATA CABLE
(GH39-00279A)
3-3-6. TC
(GH44-00701A)
3-3
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4. SGH-E720 MAIN Electrical Parts List
SEC Code
Design LOC
SEC Code
Design LOC
GH92-01823A
PBA MAIN-SGHE720
2203-000254
C358
0403-001233
ZD500
2203-000254
C401
0406-001150
ZD402
2203-000254
C402
0406-001150
ZD405
2203-000254
C426
0406-001150
ZD406
2203-000278
C125
0504-000168
Q305
2203-000278
C135
0504-001140
Q200
2203-000278
C329
0504-001140
Q301
2203-000278
C330
0601-001819
LED301
2203-000311
C150
0601-001819
LED302
2203-000330
C216
0601-001819
LED303
2203-000330
C217
0601-001819
LED304
2203-000330
C461
0601-001819
LED308
2203-000330
C462
0601-001819
LED309
2203-000386
C114
0601-001819
LED310
2203-000438
C126
0601-001819
LED311
2203-000438
C127
0601-001819
LED312
2203-000438
C425
0601-001819
LED313
2203-000628
C149
0601-001819
LED314
2203-000643
C147
0601-001819
LED315
2203-000654
C410
0601-001819
LED316
2203-000812
C117
0601-001819
LED317
2203-000812
C123
0601-001819
LED318
2203-000812
C405
0801-000306
F100
2203-000812
C408
0801-002529
U204
2203-000812
C409
1001-001306
U403
2203-000812
C433
1006-001313
U304
2203-000812
C434
1009-001010
U203
2203-000812
C522
1108-000003
U202
2203-000836
C448
1201-002007
U305
2203-000836
C452
1201-002218
U101
2203-000836
C465
1203-002099
U105
2203-000836
C466
1203-002965
U303
2203-000836
C469
1203-003322
U302
2203-000836
C472
1203-003472
U401
2203-000854
C435
4-1
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SGH-E720 Main Electrical Parts List
SEC Code
Design LOC
SEC Code
Design LOC
1203-003611
U306
2203-000854
C436
1204-002138
U402
2203-000854
C444
1205-002433
U103
2203-000854
C445
1205-002612
U300
2203-000854
C446
1205-002613
U301
2203-000854
C453
1404-001165
TH101
2203-000885
C342
1405-001082
V201
2203-000995
C122
1405-001082
V301
2203-000995
C151
1405-001082
V302
2203-000995
C211
1405-001082
V303
2203-001239
C449
1405-001082
V304
2203-001239
C450
1405-001082
V305
2203-001385
C115
1405-001082
V306
2203-001385
C119
1405-001082
V307
2203-001405
C130
1405-001082
V308
2203-001405
C413
1405-001082
V309
2203-001405
C456
1405-001082
V310
2203-002668
C145
1405-001082
V311
2203-002677
C120
1405-001082
V400
2203-002677
C121
1405-001082
V401
2203-002987
C108
1405-001082
V403
2203-005050
C152
1405-001082
V404
2203-005061
C100
1405-001082
V502
2203-005061
C220
1405-001082
V503
2203-005061
C221
1405-001082
V504
2203-005061
C313
1405-001082
V505
2203-005061
C316
1405-001082
V506
2203-005061
C367
1405-001082
V507
2203-005061
C407
1405-001082
V510
2203-005061
C412
1405-001082
V511
2203-005061
C422
1405-001082
V512
2203-005061
C424
1405-001082
V514
2203-005061
C428
1405-001132
V101
2203-005288
C111
1405-001132
V102
2203-005288
C113
2007-000138
R112
2203-005482
C137
4-2
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This Document can not be used without Samsung's authorization
SGH-E720 Main Electrical Parts List
SEC Code
Design LOC
SEC Code
Design LOC
2007-000138
R322
2203-005482
C138
2007-000138
R407
2203-005482
C141
2007-000139
R102
2203-005482
C142
2007-000139
R103
2203-005482
C146
2007-000140
R511
2203-005482
C201
2007-000140
R513
2203-005482
C204
2007-000140
R514
2203-005482
C205
2007-000140
R515
2203-005482
C208
2007-000141
R320
2203-005482
C210
2007-000141
R516
2203-005482
C308
2007-000142
R453
2203-005482
C310
2007-000143
R302
2203-005482
C311
2007-000143
R303
2203-005482
C314
2007-000143
R369
2203-005482
C324
2007-000143
R517
2203-005482
C327
2007-000144
R127
2203-005482
C338
2007-000148
R108
2203-005482
C344
2007-000148
R111
2203-005482
C346
2007-000148
R243
2203-005482
C361
2007-000148
R380
2203-005482
C362
2007-000151
R126
2203-005482
C365
2007-000151
R241
2203-005482
C400
2007-000155
R208
2203-005482
C403
2007-000155
R365
2203-005482
C516
2007-000155
R366
2203-005482
C517
2007-000157
R203
2203-005496
C351
2007-000159
R207
2203-005496
C352
2007-000159
R209
2203-005496
C468
2007-000159
R424
2203-005503
C451
2007-000159
R457
2203-005509
C519
2007-000162
R201
2203-005736
C101
2007-000162
R202
2203-005736
C110
2007-000162
R204
2203-005736
C112
2007-000162
R242
2203-006053
C326
2007-000162
R319
2203-006053
C328
4-2
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SGH-E720 Main Electrical Parts List
SEC Code
Design LOC
SEC Code
Design LOC
2007-000164
R423
2203-006053
C357
2007-000164
R429
2203-006053
C406
2007-000170
R318
2203-006053
C414
2007-000170
R377
2203-006053
C415
2007-000170
R378
2203-006053
C416
2007-000171
R114
2203-006053
C417
2007-000171
R115
2203-006053
C418
2007-000171
R376
2203-006053
C419
2007-000171
R473
2203-006053
C420
2007-000172
R124
2203-006053
C430
2007-000242
R109
2203-006053
C432
2007-000242
R326
2203-006053
C441
2007-000775
R402
2203-006053
C447
2007-000775
R403
2203-006053
C463
2007-001119
R428
2203-006093
C139
2007-001290
R101
2203-006093
C312
2007-001290
R410
2203-006093
C315
2007-001290
R464
2203-006093
C322
2007-001291
R104
2203-006093
C323
2007-001307
R105
2203-006093
C332
2007-001307
R106
2203-006093
C333
2007-001307
R304
2203-006093
C343
2007-001307
R305
2203-006093
C355
2007-001307
R306
2203-006093
C458
2007-001307
R307
2203-006093
C474
2007-001307
R308
2203-006093
C475
2007-001307
R309
2203-006137
C206
2007-001307
R310
2203-006190
C356
2007-001307
R311
2203-006190
C359
2007-001307
R312
2203-006190
C360
2007-001307
R313
2203-006190
C363
2007-001307
R314
2203-006190
C364
2007-001307
R316
2203-006194
C457
2007-001307
R356
2203-006201
C404
2007-001307
R357
2203-006257
C438
4-4
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SGH-E720 Main Electrical Parts List
SEC Code
Design LOC
SEC Code
Design LOC
2007-001307
R358
2203-006324
C341
2007-001308
R471
2404-001151
C102
2007-001308
R472
2404-001151
C437
2007-001319
R405
2404-001225
C334
2007-001323
R123
2404-001306
C520
2007-001325
R404
2404-001339
C411
2007-002797
R110
2404-001339
C423
2007-003019
R374
2404-001348
C439
2007-003019
R375
2404-001348
C440
2007-003025
R350
2703-001207
L105
2007-003025
R351
2703-001284
L104
2007-007142
R352
2703-001512
L108
2007-007142
R367
2703-001748
L145
2007-007142
R368
2703-001750
L117
2007-007142
R406
2703-001752
L103
2007-007142
R421
2703-001752
L149
2007-007142
R422
2703-001786
L147
2007-007142
R434
2703-002308
L106
2007-007142
R454
2703-002313
L401
2007-007308
R413
2703-002313
L402
2007-007314
R414
2801-004225
OSC300
2007-007334
R401
2801-004339
OSC201
2007-007488
R436
2809-001264
OSC101
2007-007488
R455
2901-001296
F500
2007-008117
R458
2901-001296
F501
2007-008263
R430
2901-001296
F502
2007-008263
R433
2901-001296
F503
2007-008483
R325
2901-001296
F504
2007-008531
R354
2901-001296
F505
2007-008531
R355
2904-001417
F103
2007-008542
R205
2904-001419
F102
2007-009124
R330
2904-001450
F101
2007-009124
R331
2909-001213
U106
2203-000233
C105
3301-001342
F104
2203-000233
C128
3301-001342
F200
4-5
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SGH-E720 Main Electrical Parts List
SEC Code
Design LOC
SEC Code
Design LOC
2203-000233
C129
3301-001342
F400
2203-000233
C134
3301-001729
F301
2203-000233
C136
3404-001152
SW1
2203-000233
C144
3404-001152
SW2
2203-000233
C421
3404-001152
SW3
2203-000254
C103
3705-001347
CN100
2203-000254
C104
3709-001298
CN401
2203-000254
C106
3710-002194
CN504
2203-000254
C131
3711-005817
CN507
2203-000254
C132
3722-002082
CN400
2203-000254
C133
4202-001037
ANT101
2203-000254
C140
4302-001184
M400
2203-000254
C202
4709-001350
U104
2203-000254
C203
GH09-00033A
U201
2203-000254
C207
GH41-00757A
PCB-SGHE720 MAIN
2203-000254
C209
GH30-00181A
MICROPHONE-ASSY
2203-000254
C222
GH59-01799A
UNIT-METAL DOME
2203-000254
C223
4-6
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5. SGH-E720 PCB Diagrams
V4 0 0
V4 0 1
U40 3
F5 0 2
F5 0 3
F5 0 4
V1 0 1
CN1 0 0
CN50 7
F40 0
F5 0 5
F30 1
F10 3 F10 2
U3 0 1
U10 3
SW 3
U3 0 6
F1 0 0
OS C3 0 0
V31 1
U2 0 2
U2 0 1
U40 1
U30 2
U3 0 0
Q3 0 1
U4 0 2
F10 4
OSC10 1
SW 2
F1 0 1
SW 1
U10 1
G2
M4 0 0
U3 0 5
U10 6
V1 0 2
G1
CN4 0 0
ANT1
ZD40 6
F5 0 0
F5 0 1
ANT
OSC20 1
U1 0 4
TH10 1
CN40 1
Q20 0
U20 4
U30 4
TP10 1
ANT10 1
U10 5
V5 0 4
CN50 4
V5 0 3
V5 0 7
V5 0 6
G3
V5 0 5
ZD40 5
Q30 5
V5 0 2
V5 1 1
V5 1 0
V5 1 4
V5 1 2
V2 0 1
U30 3
ZD50 0
G4
5-1
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SGH-E720 PCB Diagrams
F2 0 0
V4 0 3
ZD40 2
U20 3
V4 0 4
LED31 8
UP
DOWN
LED 3 1 2
V31 0
V30 8
CLEAR
V30 9
2
3
LED 3 1 6
LED 3 1 7
PW R
LED30 2
V30 1
1
S TO
I
LED30 4
SEND
V30 6
LED30 1
LED 3 0 8
MENU
LEFT
LED30 3
RI GHT
V30 7
GND1
RST
6
V30 3
5
LED 3 0 9
DS P_RWN
LED 3 1 3
4
DSP_TDO
DSP_TCK
DSP_TMS
V30 2
0
LED 3 1 0
9
SHARP
V30 4
MI C4 0 0
V30 5
8
LED 3 1 1
*
LED 3 1 5
7
LED 3 1 4
DSP_TDI
5-2
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6. SGH-E720 Block Diagrams
SGH-E720
Block Diagram
Antenna
Antenna
V_BAT
BTBZ0902
Bluetooth
Contractor
Antenna
Backlight
LED
SIM_RST
SIM_CLK
SIM_Data
VREF
Drivers
Backlight
Contractor
V_BAT
RTS, CTS
PCM
V_BAT
MIC
5245
2.8V_BT
RX, TX
I2C
I/F
Crystal
32.768
KHz
RTC
UART
Contractor
MIC
2211
Control
VRTC
Power
Mgmt
2V8_RF
USB
USS810
USB
2V8_DIG
PWR_KEEP
RF-BB
I/F
LNA
IN
DCS
SIM
Driver
RF_Power_EN
GSM
S
I
4
2
0
5
ASM
V_BAT
PAM
R
F
T
r
a
n
c
e
i
v
e
r
HP
Control
CSP2600C
KB_COL[0:4]
DSP
Memory I/F
D[0..15
GEMINI
USB_5V
DLC_DET
A[0..8]
SER_CTL
I/F CON
24P
DEBUG_SDS
Serial
Control
SIM_Data
Power
I/F
Trident
Power
SIM
CON
SIM_RST
SIM_CLK
USB_D-
USB_D+
V_SIM
PCS
3.3V
DATA
1V8_Core
Keypad
KEY
DSP
KB_ROW[0:4]
System
Clock
I/F
PAD
Core
Memory I/F
RF
TXI_I/O
ADC
I/F
TXQ_I/O
A[1..25]
D[0..15]
AFC
AK_3.3V
Control
GSM
Power
AMP I/F
DCS
PCS
System
I/F
1G NAND
256M NOR
RF-IF
Synthesizer
RF Block
Enable
DAI
2
LCD with
Camera
CL851S64
RD38F4455LLYBQ
Audio
I/F
Control
CLK
128M SRAM
TX_EN
Control
C_D[0..7]
P_CTL
SW_EN
3
Camera
I/F
RF_EN
TX_BAND_SEL
GPIO
CLK13M_TR
LCD I/F
LCD_D[0..15]
CODEC I/F
DATA
CLK
VAPC
V_BAT
AUDIO(EAR)
CLK13M_MC
VCAM_EN
CLK13M_RF
CLK13M_YMU
V_BAT
OSC
13MHz
Sound Gen.
YMU765
MIC
AUDIO(MIC)
HERA1.8V
LDO
MIC2211
MIC5247
1.8V_VCAM
SPEAK
YMU
MP3
2.5V_VCAM
MIC
MP3(SPK)
VOICE CODEC
Analog Switch
MAX4684
EAR_JACK
MP3(EAR)
6-1
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Audio
CODEC
OSC
24.578
MHz
YMU
AK4640
This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
ⓒ Samsung Electronics Co.,Ltd. MAR. 2005
Printed in Korea.
Code No.: GH68-06398A
BASIC.