Samsung E316 Troubleshooting 9
5. SGH-E316 Flow Chart of Troubleshooting
1.Baseband
1. Power ON
Power On does not work
Check the current consumption
Current consumption
>=100mA
Yes
Check the V bat. Voltage
Voltage >= 3.3V
Yes
Check the pin of U102
pin#J12 >= 2.8V
Yes
pin#A13 and pin#A14
=2.8V
Yes
Yes
No
No
No
No
pin#G11 = 1.8V
Download again
Charge the Battery
Check U102 and C126
No
Check U102 and C127
Check the clock signal at pin#28 of U403
Freq = 13MHz ,
Vrms ≥ 300mV and
Vpp 뵃 900mVpp
Yes
Check the initial operation
END
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No
Check the clock generation ci rcuit
(related to OSC402)
5-1
2. Initial
SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
Initialization Failure
Yes
The pin #G11 of U102 = 1.8V
the pin #J12 of U102 뵃
and
2.825V ?
Yes
Is the pin #K9 of U102
"Low -> High"?
Yes
There is 32.768kHz wave
forms at the C319 and C320
Yes
Thepin#A4ofU102is"High"
Yes
The Voltage is "High" at the
C123,C124,C125
Yes
No
No
No
No
No
(If it has some problem, it has to be replaced.)
(If it has some problem, it has to be replaced.)
Check the U102
Check the U102
Check the U302
Check the U403
Check the U102
LCD display is O.K
No
Check the LCD Part
Yes
Sound is O.K
No
Check the Audio Part
Yes
END
5-2
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SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
3. Sim Part
"Insert SIM" is displayed on the LCD
Yes
Check the SIM
connector's(CN100)
connection to SIM card
Yes
Check the Voltage at
pin#1 of CN100 ≥ 2.8V
Yes
Is there any Signals
pin#2, #3, #4 of CN100?
Yes
Check the SIM Card
END
No
No
No
VRF
Resolder or change CN101
Check the U102
Check the U302
T
U
B
O
B
_
_
A
Z
N
N
H
E
E
_
M
F
O
3
X
1
R
C400
47PF
C401
33PF
GSM_PAM_IN
PCS_PAM_IN
4
GND2
HOT
1
OSC402
RTX_QP
RTX_QN
RTX_IP
RTX_IN
3
HOT
GND1
2
AFC
R428
10K,1%
32
31
29
30
D
D
D
N
D
33
D
V
G
V
GND
34
GND
35
GND
36
GND
37
NC
38
NC
1
BQP
2
BQN
3
BIP
4
BIN
5
XTAL1
6
XTAL2
7
XAFC
C454
10NF
(Picture 1)
D
N
G
8
28
N
E
L
A
T
X
27
T
U
O
X
N
E
V
R
D
X
10
9
5-3
26
25
N
N
E
D
X
P
_
U403
B
O
N
D
E
S
S
12
11
E
L
R
E
S
24
23
1
2
G
G
A
A
I
I
D
D
K
L
C
S
13
K
L
C
R
E
S
SI-LAB
22
D
G
O
O
F
F
R
R
RFIGN
RFIGP
RFIDN
RFIDP
RFIPN
RFIPP
21
20
19
18
17
16
15
GND
GSM_LNA_IN_N
GSM_LNA_IN_P
PCS_LNA_IN_N
PCS_LNA_IN_P
VRF
I
D
D
D
S
V
14
C407
22NF
T
C412
A
D
100PF
R
E
S
100PF
C414C413
100PF
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SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
G
E
M
I
N
I
0
Q
1
0
0
K
E
Y
_
R
O
W
(
0
)
R
1
5
2
2
DEBUG_RI
DEBUG_DSR
DEBUG_RXD
DEBUG_DCD
CLK13M_MC
DSP_INT
PWR_ON
1
3
K
E
Y
_
C
O
L
(
2
)
CLK32K
JIG_ON
0
D
2
D
B
1
5
GNDS17
GNDS16
GNDS15
GNDS14
GNDS13
GNDS12
GNDS11
GNDS10
GNDS9
GNDS8
GNDS7
GNDS6
GNDS5
GNDS4
GNDS3
GNDS2
GNDS1
AUX_ADC3
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
V
D
D
1
2
J
N
1
9
3
C
1
0
5
C
1
0
7
C
1
0
8
C
1
0
9
1
0
9
8
7
D
S
P
_
D
B
(
0
:
1
5
)
2
NC6
1
NC5
K10
J10
J9
J8
J7
H9
H8
H7
H6
G10
G9
G8
G7
F10
F9
F8
F7
D13
B4
C4
P13
L11
F6
A6
M10
N11
P6
R2
K4
G5
J4
N5
N6
M3
J3
F11
K15
B15
E8
B13
C10
V
D
D
3
4
C
1
1
2
C
.
1
2
5
U
1
F
1
C
U
1
F
5
2
3
2
1
2
3
1
G
G
G
G
4
5
6
4
6
5
3
C
3
1
P
0
F
4
5
6
P
F
1
C
0
1
0
0
N
3
F
V
B
A
T
C
N
1
0
0
0
R
1
0
4
V
R
C
1
0
N
1
C
C
1
0
1
N
5
3
F
F
R
1
0
V
3
C
C
D
V
C
C
A
V
C
C
D
T
X
X
G
_
O
R
B
B
E
R
E
A
L
N
E
U
E
N
A
R
T
X
_
E
N
S
S
E
E
S
R
R
E
D
R
C
A
L
L
E
K
D9
E7
B5
B6
D7
D6
C7
C6
P11
N12
R12
P12
N14
M14
N15
P15
M15
L14
K13
L13
R13
M13
R14
R4
P4
L6
M6
N4
D1
R6
P5
P3
C14
C15
L7
K9
N10
M9
L10
L9
AFC
TXP
RAREF2
RAREF1
RXTXIP
RXTXIN
RXTXQP
RXTXQN
AOUTAP
AOUTAN
AOUTBP
AOUTBN
MICINP
MICINN
MICOUTP
MICOUTN
AUXINP
AUXINN
AUXOUTP
AUXOUTN
VXVCM
VREGP
VREGN
DAICK
DAIRN
DAIDI
DAIDO
RTC_CLK
XOENAQ
MC
NC7
DINTR
PWR_SW2
PWR_SW1N
PSW1_BUF
RESET_O
MODE
PWR_KEEP
INTRQ
VIB_RNG_EN
R
T
C
_
A
L
M
N
H
1
0
R
T
C
A
L
A
R
M
T
C
C
B
A
1
2
1
2
S
S
S
S
E
E
E
E
R
R
R
R
D
C
L
L
E
E
A
K
2
1
A
A
D
D
C
C
_
_
C
V
A
A
R
R
U
U
E
E
X
X
F
F
2
1
D
A
E
E
1
1
9
1
0
0
5
N
C
R
1
2
0
8
D
V
R
L
C
E
_
F
D
E
T
E
C
T
T
R
R
T
T
X
X
_
_
Q
I
N
P
R
N
1
5
C
1
R
T
X
_
I
P
R153 0
R155 0
C
1
1
U
4
F
0
R142
R143
R144
R145
V
B
A
T
1
C
0
1
N
4
F
1
1
0
X
P
O
W
A
E
F
C
R
AOUTAP
AOUTAN
AOUTBP
AOUTBN
MICINP
MICINN
MICOUTP
MICOUTN
AUXINP
AUXINN
AUXOUTP
AUXOUTN
VREGP
R
1
4
9
R
S
T
C137
100NF
0R154
0R156
NC
NC
NC
NC
1
0
C
0
1
N
3
F
5
0
R
1
4
0
I
P
N
W
T
R
R
Q
_
K
E
E
P
R
T
X
_
Q
N
R
1
5
9
D
N
E
D
_
F
_
_
_
_
O
_
L
L
L
S
E
E
E
E
U
E
N
L
A
B
3
3
O
O
C
C
T
T
L
L
7
6
C
D
D
D
T
S
D
P
S
_
D
P
R
S
_
E
R
P
S
W
_
E
I
O
N
T
R
1
2
2
0
G
A
E
F
4
5
5
6
O
O
O
O
C
C
C
C
T
T
T
T
L
L
L
L
3
4
5
2
D
D
D
D
D
D
D
D
S
S
P
P
_
_
A
A
B
B
(
(
0
1
)
)
C
R
P
K
E
L
L
1
2
6
6
3
5
3
R
O
C
T
L
1
A
O
I
R
A
|
O
B
B
W
E
C
1
0
S
T
N
E
L
0
T
N
_
C
S
P
D
S
S
S
S
S
S
S
P
P
P
P
P
P
P
_
_
_
_
_
_
_
A
A
A
A
A
A
A
B
B
B
B
B
B
B
(
(
(
(
(
(
(
2
3
4
5
6
7
8
)
)
)
)
)
)
)
M
M
N
N
K
L
7
5
2
1
2
1
A
A
A
A
A
A
B
B
B
B
B
B
7
6
5
4
3
2
U
1
0
2
S
S
C
C
C
H
H
H
_
_
B
_
I
D
R
S
E
R
E
N
S
V
F
D
E
1
1
1
2
1
4
R
0
1
7
2
R
1
7
V
7
B
A
T
C
C
S
D
S
L
D
O
N
K
I
V
V
B
E
A
X
T
T
E
E
1
1
3
4
V
_
_
_
_
A
P
P
P
P
C
S
S
S
S
C
C
C
C
C
N
M
L
F
K
8
1
8
7
7
R
1
7
6
1
0
K
,
1
%
4
T
T
T
T
P
P
P
P
1
1
1
1
0
0
0
0
0
3
1
2
U
U
U
U
P
P
P
P
_
_
_
_
S
S
C
S
D
D
C
S
O
I
L
K
1
C
U
1
F
4
8
1
C
U
1
2
F
3
1
C
U
1
F
2
4
C
1
U
1
2
F
5
C
4
7
1
0
2
N
6
F
C
4
7
1
0
2
N
7
F
V
V
V
V
V
V
V
V
L
L
L
L
L
L
L
L
D
D
D
D
D
4
5
4
O
O
O
O
S
S
O
S
_
_
_
_
_
_
_
_
B
A
A
5
2
4
1
3
B
J
B
G
A
B
A
1
1
1
1
1
1
1
2
0
2
2
1
3
1
G
P
C
S
S
M
_
_
T
T
X
X
_
_
E
E
N
N
V
R
F
V
C
C
D
V
C
C
_
1
.
8
A
NEG
2
D
S
P
_
A
B
(
0
:
8
)
D
D
D
D
D
D
D
D
D
D
D
D
D
S
S
S
S
S
S
P
P
P
P
P
P
_
_
_
_
_
_
D
D
D
D
D
D
B
B
B
B
B
B
(
(
(
(
(
(
3
2
5
4
1
0
)
)
)
)
)
)
H
K
K
K
K
J
J
5
3
2
5
6
1
5
D
D
D
D
D
A
D
B
B
B
B
B
B
B
8
1
3
2
4
0
5
R
L
E
I
V
N
D
V
V
V
I
G
B
1
L
L
L
_
D
D
_
_
5
D
D
D
O
O
S
R
R
R
_
_
_
V
B
V
V
7
6
C
A
D
F
C
F
G
1
1
1
1
1
9
1
5
3
4
2
0
3
K
E
Y
_
B
L
V
C
C
B
V
C
C
A
1
C
0
1
0
2
P
1
F
POS
1
R
B
4
M
1
1
4
0
_
0
I
V
0
2
N
D
D
S
S
P
P
_
_
D
D
B
B
(
(
7
6
)
)
G
G
3
4
D
D
B
B
7
6
L
E
D
2
V
_
R
D
T
R
C
V
H
G
1
1
1
2
D
S
S
S
S
S
S
S
P
_
D
B
(
8
)
F
4
D
B
8
V
S
I
M
K
1
2
1
.
2
K
S
P
P
P
P
P
P
P
_
_
_
_
_
_
_
D
D
D
D
D
D
D
B
B
B
B
B
B
B
(
(
(
(
(
(
(
9
1
1
1
1
1
1
)
0
2
4
1
3
5
)
)
)
)
)
)
D
E
E
F
F
F
3
3
2
2
1
3
D
D
D
D
D
D
B
B
B
B
B
B
1
1
1
1
1
9
1
3
0
2
4
S
S
U
U
I
I
S
M
M
P
P
U
I
_
_
_
_
M
P
R
R
C
C
_
_
S
S
L
L
I
I
O
O
K
K
T
T
J
K
K
R
P
1
1
1
1
1
1
1
4
0
0
S
S
S
I
I
I
M
M
M
R
D
C
S
A
L
K
T
T
A
4
7
0
N
F
1
0
0
N
F
3
3
P
F
3
3
P
F
V
R
T
C
R
1
1
2
(Picture 2)
5-4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
4. Charging Part
Abnormal charging operation
The pin #17, #18 of CN200 is
TA_VEXT 뵃 5V?
Yes
The pin #2 of U104 is "low"?
Yes
The pin #3 of U105 is "low"?
Yes
The pin #5 of U104 is 3.2~4.2V"?
Yes
The ICHRG = 1V(during charging)
and 뵃 180mV(full charging)?
Yes
No
No
No
No
No
Replace TA or Check CN200
Check the U104
Check the U105
Check the U104
Solder again or change R168
JIG_ON_IF
TA_VEXT
%
1
,
4
K
7
0
1
0
R
1
R175
10K,1%
%
1
,
3
K
7
0
1
0
R
1
END
VBAT
U106
TA_VEXT
CHARGING
JIG_ON
CHG_ON
1
R170
10K,1%
C149
10UF
10V
ISENSE
1
GND
2
VCC
1
2
3
(Picture 1)
3
Q102
2
U104
DRIVE
VSENSE
PROG
U105
CHG_DET
6
Q101
5
2
4
1
3
6
5
43
6
R167
TA_VEXT
47K
5
4
R169
3K,1%
R168
10K,1%
C150
10UF
6.3V
VBAT
ICHRG
5-5
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
D
D
D
E
E
E
D
B
B
B
E
U
U
U
B
G
G
G
B
U
_
_
_
P
G
D
R
D
_
_
C
X
S
V
R
D
R
D
F
I
1
C
0
2
0
5
N
2
F
D
D
D
D
E
E
E
D
T
E
A
B
_
U
V
G
E
_
X
R
T
I
E
J
B
B
B
B
I
G
U
U
U
U
_
G
G
G
G
O
_
_
_
_
N
D
D
R
C
_
C
S
T
T
I
D
R
S
S
F
D
D
D
D
L
E
E
E
C
B
B
B
S
S
_
U
U
D
U
D
D
G
G
G
S
E
S
_
_
T
_
_
_
R
R
D
T
E
T
X
X
X
X
C
T
D
D
D
D
R
T
V
C
C
D
4
R
7
2
K
0
V
4
C
C
D
4
R
7
2
K
0
5
ZD218
ZD217
ZD211
ZD214
ZD209
ZD210
ZD212
ZD215
I
/
F
C
O
N
N
E
C
T
O
R
ZD207
ZD206
ZD205
ZD208
ZD213
ZD216
R
R
2
2
1
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5
(Picture 2)
5-6
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