Samsung SGH-E700 Troubleshooting
7. SGH-E700 Flow Chart of Troubleshooting
1. Power On
' Power On ' does not work
Yes
Check the Battery Voltage
is more than 3.4V
Yes
C414(V_ISUP) = 2.7V? Check the PMU related to V_ISUP
Yes
Check the Clock at
R401=32KHZ
Yes
C431 (VDD1) = "H"? Check the VDD1 circuit
Yes
C430(VDD2) & C429(VDD3)
= 2.8V?
No
Change the Battery
No
No
Resolder OSC400
No
No
Check the VDD2,VDD3 circuit
Yes
Check for the clock at C133
= 13MHz
Yes
Check the initial operation
Yes
END
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No
7-1
Check the clock generation circuit
(related to OSC101)
SGH-E700 Flow Chart of Troubleshooting
Power On
6
4
5
7
GG
89
GG
SIM400
10
0-0292123-1
123
NC
C405
12PF
NC
SIM
Baseband power supply
VDD1
10K
R400
IT_PMU
VBAT
JIG_REC
C404
C403
SIM_IO
SIM_CLK
SIM_VCC
SIM_RST
C402
C2
C1
D2
C3
IO
RST
CLK
VCC
100NF
C400
A1
SIMSCN
B1
SIMSC
P
A2
SIM
PUMP
SIMGND
B2
CHARGE
SIMVBAT
R
C10
IN
T
K2
REC3
K1
J2
A9
D9
H3
K3
D10
H5
PMU (IC)
C401
T16
32K
RECO1
RSTON
REF_ON
JACK_IN
ONKEY_N
CHARGER_OK
ON/OFF
REC1
REC2
CLK32
RSTO
ONKEY
AUXO
N
SLPMOD
12C
TM
PCF50601ET1-N5
U400
SCLE3SDA
100NF
100NF
4.7UF
D1
CPRES
GENERATO
INTERRUPT
CONTROL
control
status
INTERFACE
F2
SCL
SDA
B8
SIMIO
SIM
data
C6
SIMCLK
INTERFACE
htmp
ovdd
reference
ON-CHIP
REFERENCE
REFCH8REFGND
K6
MIC_BIAS
C407
SIMCLK
SIMIO
FC-255
OSC400
T17
T11
K8
K9
OSC32I
32KHz XTAL
OSCILLATOR
PLL
CLOCK
GENERATOR
internal
clocks
voltage
bias currents
calibration
&
MIC BIAS
TEMP HIGH
refgnd
MICBIAS
J6
C411
RB414II06N
4.7UF
C410
10NF
C409
C406
10PF
C408
10UF
2
OSC32O
htmp
SENSOR
VBAT
R401
10M
VBAT
CLOCK
REAL-TIME
VBAT
K4
C412
100NF
V_ISUP
32K
12PF
C413
1
BATTERY
VOLTAGE
VBAT
SUPPLY
MODULE
INTERNAL
VBACK
J5
C414
3.3K
R402
D3
CHRVBAT
MONITOR
supply
internal
ISUPAH6ISUPD
470NF
C415
BACKLIGHT
E1
E2
CHRIV
CHRREG
CHARGE
CONTROL
J4
1UF
BACKLIGHT
A7
VBAT
VBAT
CONTROL
SUPPLY &
BBMGNDA8BBMSWC5BLVBATB7BLVDD
C416
RFVBAT
G9
2.2UF
RF1VDD
G10
C8
HVSVBAT
LINREG
RF2SNSH9RF2SWSE10
RF2VDDH10
RF1SNS
F10
VCC_SYN
VBAT
4.7UF
C417 100NF
B9
A10
C9
HVSSCP
HVSSCN
HVSGND
SUPPLY
(CHARGE
HIGH VOLTAGE
SWITCH
RF1VDDSF9
E8 RF1SWS
VCC_RX_TX
PON_SYNT
C418
VCC_RF_VCO
VCC_CP
RF power supply
0,5%
0
R403
2.2UF
C419
D8
2
B10
HVSOC
HVSVDD
VIB
HF
A
AVDD
PUMP+
LINREG)
T
T
DVDD
4
T
T
DVDD
3
DVDD
2
T
DVDD
1
RF2VDDS
J10
PON_TX
VCC_TX_BURST
1UF
C422
NC1NC
A3
VIBVD
D
B3
VIBVBA
T
B6
HFAVD
D
A6
HFAVD
D
HFAVBA
T
A5B5
HFAVBA
T
K10
AVDDS
K7
AVD
D
J7
AVD
D
AVDDVBA
AVDDVBA
A4
DVDD4
B4
DVDD4VBA
F8
DVDD4ON
DVDD3
H1J1
DVDD3
H2
DVDD3VBA
H4
SEL3RB
DVDD2
G2G1
DVDD2
G3
DVDD2VBAT
E9
SEL12RB
F3
DVDD1VBA
F1
DVDD1
VSS21
VSS20
VSS19
VSS18
VSS17
VSS16
VSS15
VSS14
VSS13
VSS12
VSS11
VSS10
VSS9
VSS8
VSS7
VSS6
VSS5
VSS4
VSS3
VSS2
E4
VSS1
H7
VPRO
G
C421
100NF
NC
C420
C424
10UF
C423
10UF
AVDDVDD_KEY
AVDD_TEMP
VDD_AMP
R404 0
J8J9
VBAT
D4C4
E5D5
C7D6
E7D7
F7E6
G7G8
F6G6
G5K5
J3
G4
F4
F5
RF power supply
Baseband power supply
1UF
C426
6.3V
10UF
C427
C425
470NF
V_ISUP
1UF
C431
1UF
C430
1UF
C429
1UF
C428
T12
T14
TYP
VIB
V_MODE
VDD3
VDD1
VDD2
VDD_VIB
SIGNAL
TYP
3V05
2V65
3V05
2V85
VDD3
AVDD
VDD_VIB
2V7
2V1
2V7
3V25
3V
2V65
4V
2V95
5V
AVDD_TEMP
VDD_KEY
VDD_AMP
VCC_CP
SIMVDD
2V85
2V7
2V7
2V7
1V35
2V35
7-2
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SIGNAL
MIC_BIAS
V_ISUP
BL_VDD
VCC_SYN
VCC_RX_TX
VCC_RF_VCO
VDD1
VCC_RX_BURST
VDD2
2. Initial
SGH-E700 Flow Chart of Troubleshooting
Initial Failure
Yes
R200 (RSTON) ="H"?
Yes
Is U305 pin 4,6
(memory CE) OK?
Yes
Check the circuit around
LCD & U305 (Short or not solder)
Yes
END
No
Check the circuit related to reset
No
Check the U305
7-3
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SGH-E700 Flow Chart of Troubleshooting
Initial
AUXSP
B11
BUZ
A
HA22L6HA23
EARP_HF
MICP
ASI
SIOY
L5
D_REF_13M
IT_PMU
SDA
SCL
SIMIO
SIMCLK
VDD1
MIC_P
MIC_N
AUX_MIC_P
AUX_MIC_N
R204 3.9K
B13
A13
D10
A14
B14
MICN
MCLK
AUXMICP
AUXMICN
D
A
PCF50732
HRD_NH5HWR_N
CS_N0
CS_N1
CS_N2
CS_N3
N4
G5
G3
M5
BIOCLK
DD
DU
FSC
DCL
BOEN
BIEN
BDIO
R206
2.2K
T59
T57
T58
B8
A8
B9
ADI
AFS
GPIO1
GPIO0
K9
M12
VDD2
T60
E11
F10
F11
G11
A9
BIEN
ADO
BDIO
ACLK
BOEN
BIOCLK
IIC
SC
GPIO
GPIO2L8GPIO3M9GPIO4
GPIO5
GPIO6
GPIO7
L7
L9
P6
P7
N7
2.2K
R205
VDD2
R212
10K
C2
B3
M14
M11
M13
F4
E6
SCK
SDA
SIMIO
PWM0
PWM1
SIMERR
SIMCLK
VSS_VBOUT
VSS_VB
VSS_REF
VSS_D
VSS_BB
VSS_P
VSS_O
VSS_N
VSS_M
VSS_K
VSS_I
VSS_H
3
VSS_G
1
VSS_F
4
VSS_E
0
VSS_C
VSS_B
VSS_A
AVSS
J_SEL
TRST_N
TD
O
JTAG
TCK
PWM
SIMU
UART1
UART0
TM
S
TD
I
TXD
RXD
1
RXD
0
TXD
0
RXT0_N
CTS0_N
KBS
KBIO0
KBIO1
KBIO2
KBIO3
KBIO4
KBIO5
KBIO6
KBIO7
GPIO9
GPIO10
GPIO8
K8
N8
J10
J11
L11
L13
L12
L14
K13
K11
2
4
6
8
10
2
CN200
CON14
34
56
78
C11
A12
C13
1
E13
N5
P1
K1
G1
C3
E8
G1
N1
N1
N1
M7
J1
K7
P10
B4
A1
D3
A3
A2
D2
A4
D4
C4
C5
A5
B5
1
9
3
5
7
1
D1
33
R211
VDD2
R210
NC
R209
R208
47K 47K
R207
47K
TDI
TMS
TRST_N
JT
1
JT
4
JT
2
JT
3
JT
5
TDI
TMS
TCK
TDO
TRST_N
HWR_N
J_SEL
B_TRST
J_SEL
B_TDI
B_TCK
B_TMS
B_TDO
B_WR
GROUND
J_SEL
14
14
10
9
11 121213
11
13
NC
C220
TCK
TDO
J_SEL
TRST_N
TD
O
TCK
TM
S
TD
I
TXD
1
RXD
1
RXD
0
TXD
0
RTS0
CTS0
SIM_BOOT
AVDD
C203
33PF10NF
EL_LIGHT_CON
REF_ON
V_MODE
C202
pin B12
pin C12
C207
100NF
100NF
pin F12
AVDD
C201
10NF
C208
33PF
pin D14
AVDD
C205
100NF
L10
N9
pin C8
pin C9
VDD1
C204 C206
AVDD
VDD1
C200
NC
AVDD
VDD3
VDD2
VDD1
VDD1
G10
AUXST
GPON1
GPON2
100NF
VDD_VBOUT
C1
2
VDD_VB
B12
VDD_REF
D1
4
VDD_
D
C9
VDD_BB
F12
AVD
D
P1
2
VDDE3_G
L3
VDDE3_F
G2
VDDE3_B
M6
VDDE3_A
P4
VDDE2_E
C1
PDCU
VDDE2_C
P8
VDDE1_D
H11
VDDE1_C
C8
VDDE1_B
N1
2
VDDE1_A
P9
PCF50874
VDDC_
D
K6
VDDC_
C
M8
VDDC_
B
N1
3
VDDC_
A
F5
CGU
UCP200
CKI
CKI32I
CKI32O
OM6357
P11
P13
P14
C10
D5
RESETN
M10
A6
RFSIG0
RSTO_N
H10
RFSIG1
OOL
RST_N
D6
K14
B6
RFSIG2
AUXON
RFSIG3
DCS
TP202
C7
A7
RFSIG4
HD0
H4
H3
EGSM
DCS_MODE_SW
EGSM_MODE_SW
PON_TX
PON_SYNT
B7
C6
E7
K10
RFSIG5
RFSIG6
RFSIG7
RFSIG8
RFSIG9
HD2
HD3
HD4
HD5
HD1
J3
E5
H2
H1
PON_RX
H12
D7
RFSIG10
RFCU
HD6
E4
B1
RXON
HD7
G12
TXON
HD8
F3
RF_BBI_CLK
E10
E9
CDO
CCLK
HD9
HD10
F2
F1
RF_BBI_DATA
D8
D9
CDI
CEN
HD13
HD11
HD12
E3
E1
D1
AFC
RAMP
RF_EN_SYNT
VF
TEMP_PRODUCT
MES_BATT
EARP_N
IRX_TX_P
IRX_TX_N
QRX_TX_N
H14
J13
IP
D
SIOX
EARP_P
10R202
R203 10
J14
A11
B10
A10
F13
F14
G14
E14
IN
EARP
EARN
AUXSP
AUXADC3
AUXADC4
AUXADC1
AUXADC2
D
D
A
QRX_TX_P
AVDD_TEMP
10K
R201
C209 100NF
C14
K12
H13
J12
E12
D13
D12
QP
QN
VREF
RFE_N0
RFE_N2
AUXDAC1
AUXDAC2
AUXDAC3
A
A
A
D
A
A
D
D
D
D
A
CS
I
BS
I
DSP
EMI
HD14
HD15
HA7
HA8
HA9
HA3
HA4
HA5
HA6
HA2
HA1
E2
B2
P3
M4
HA10
L4
HA11
L2
K5
P2
N2
N3
N1
M1
M3
HA20G4HA21
HA13
HA14
HA15
HA16
HA17
HA18
HA19
HA12
J2
J5
J4
L1
P5
K2
K3
K4
M2
N6
32K
D_REF_13M
100K
R200
RSTON
HD(0:15)
HD(4)
HD(3)
HD(2)
HD(1)
HD(0)
HD(7)
HD(6)
HD(5)
HA(1)
HA(5)
HA(4)
HA(3)
HA(2)
HD(15)
HD(14)
HD(13)
HD(12)
HD(11)
HD(10)
HD(9)
HD(8)
HA(1:23)
HA(14)
HA(13)
HA(12)
HA(11)
HA(10)
HA(9)
HA(8)
HA(7)
HA(6)
_E
U201
Y1
NC7SZ19L6X
VDD3
MELODY_CS
HA(23)
HA(21)
HA(22)
HA(17)
HA(16)
HA(15)
HA(20)
HA(19)
HA(18)
JT6
T40
T62
HA(20)IMAGE_CS
HRD_N
HWR_N
NCSRAM
1
2
A
GND
VCC
Y0
43
5
6
3
_E
VCC
U202
Y1
NC7SZ19L6X
4
VDD3
CS_NAND
B
A
FLIP
CTS0
EL_EN
M_RST
CHG_ON
IMAGE_RESET
END_OF_CHARGE
IMAGE_INT
irDA_DOWN
NCSFLASH
25
1
A
GND
Y0
6
7-4
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KBIO(7)
CS_N3
HA(20)
CS_N2
CS_N0
KBIO(6)
KBIO(5)
KBIO(4)
0
1
X
KBIO(3)
KBIO(2)
00
X
X
X
IMAGE_CS
MELODY_CS
KBIO(1)
KBIO(0)
KBIO(0:7)
X
X
0
1
CS_NAND
VDD3
VDD3
VDD3
VDD3
VDD2
VDD2
VDD1
VDD1
VDD1
VDD1
C219
pin L3
100N
F
C218
100N
F
pin G2
C217
100N
F
pin M6
C216
pin P4
100N
F
C215
100N
F
C214
100N
F
pin P8 pin C1
C213
100N
F
pin H11
C212
100N
F
pin P9
pin M8
C211
100N
F
pin N12
pin N13
C210
100N
F
pin F5
3. Charging Part
SGH-E700 Flow Chart of Troubleshooting
Abnormal charging part
Yes
Check the U501 pin 4
> 4.9V
Yes
U501 pin 5 = "H"?
Yes
TR500 pin 1 (CHG_ON)
= "L"?
Yes
Check the U501 pin 3
≒ 4.2V
Yes
END
No
No
No
No
Check the the circuit related to
V_EXT_CHARGE
Resolder or replace U501
Check the circuit related to
CHG_ON signal
Resolder or replace U501
7-5
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SGH-E700 Flow Chart of Troubleshooting
Charging
V_EXT_CHARGE
R506
1
C502
1UF
10V
CHG_ON
VDD2
U501
LTC4054XES5-4.2
VCC
4
R507
1.8K,1%
TR501
4
6
FDG6301N
S2
D1
D2
G15G2
S1
R510
270K
3
2
R511
1
180K
R509
270K
TR500
BCR133T
3
1
2
R512
180K
CHARGER_OK
PROG
5
BAT
GND
_CHRG1
R504
3
2
VBAT
2K
END_OF_CHARGE
R505
330K,1%
R508
200K,1%
C501
MES_BATT
NC
7-6
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4. Sim Part
Phone can't access SIM Card
Yes
SIM400 pin 1,5 = "H"?
Yes
SGH-E700 Flow Chart of Troubleshooting
No
Check the sim charge pump
After Power ON,
Check SIMCLK Signal on
SIM400 pin3 in a few second
Yes
After SIM card insert,
SIM400 pin 2 = "H(SIM_RST)"?
Yes
Check the SIM Card
Yes
END
No
Check the 32k OSC
No
Replace PBA
7-7
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