Page 1
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
Page 2
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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Page 3
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
SAMSUNG Proprietary-Contents may change without notice
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Page 4
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
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This Document can not be used without Samsung's authorization
Page 5
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
Page 6
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
1
3
1
1
1
K
K
R
R
2
2
R
1
1
4
4
2
3
1
1
3
C
3
2
P
5
F
6
S
Z
D
D
2
0
0
5
4
1
C
0
2
0
5
N
3
F
C
1
0
2
0
5
N
4
F
G
G
V
C
V
B
N
N
F
F
A
D
D
T
1
K
K
1
K
G
V
N
E
X
D
T
G
V
V
J
D
D
D
D
I
E
N
T
E
G
E
E
E
E
X
D
B
B
B
_
B
S
T
U
O
U
U
U
T
G
G
N
G
G
_
_
_
_
D
D
R
R
C
S
T
I
S
R
D
R
R
R
2
2
4
0
1
3
8
0
0
1
K
R
4
2
9
1
K
G
V
D
D
C
N
E
E
C
D
B
B
D
U
U
G
G
_
_
D
C
T
T
R
S
R
1
K
2
0
6
1
1
K
K
R
R
2
2
0
0
7
9
1
1
K
K
V
B
A
T
4
R
7
2
K
0
V
3
C
C
D
4
R
7
2
K
1
5
D
L
S
S
D
D
C
D
D
E
E
_
S
S
D
B
B
_
_
E
U
U
R
T
T
G
G
X
X
E
_
_
D
D
C
R
T
T
X
X
D
D
9
6
1
2
2
2
1
1
2
2
0
4
2
8
9
1
3
1
1
1
7
1
8
1
1
1
6
1
3
0
2
5
4
1
3
2
4
7
5
(Picture 2)
5-6
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 7
SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
5. Microphone Part
Microphone does not work
Yes
Is the assembled status
of microphone O.K?
Yes
Check the reference voltage on mic path
C136 뵃 2.0V
Yes
Is microphone ok?
Yes
END
No
No
No
Reassemble the microphone
Solder the microphone again or Replace
R116,R118,R125,R123,C128,C130,R129,R137
Check U403
5-7
SAMSUNG Proprietary-Contents may change without notice
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Page 8
6. Speaker Part
There is no sound from Speaker
SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
Is the terminal of Speaker O.K.?
No
Replace the Speaker
Yes
Are there any signals
at the C211,C235?
No
Check LCD or Replace CN201
Yes
No
Yes
Is there any signals
at the pin#5 and pin#7
of U100?
The type of sound from
the Speaker is Melody
Yes
Check the U101 Check the U102
The pin#4 of
U100 is "Low"
No No
Yes
Check the U302
No
Is there any signals
at the pin#2 and
pin#10 of U100?
Yes
The pin#4 of
U100 is "High"
Yes
No
Check the U100
END
5-8
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 9
SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
M
R
_
L
S
E
D
V
_
I
E
B
N
_
E
N
1
C
0
2
N
2
F
3
3
3
P
1
C
0
F
2
N
,
2
N
4
F
P
O
,
0
6
0
3
3
3
P
F
,
N
P
O
,
0
6
0
3
3
3
P
F
,
N
P
O
,
0
6
0
3
3
3
P
F
,
N
P
O
,
0
6
0
3
C236
C237
C238
C239
C244
C245
C246
C247
C240
C241
C242
C243
C213
C214
C215
C216
C217
C218
C219
C220
C221
C212
C
5
2
P
2
F
2
C
C
C
C
C
T
C
_
M
C
_
A
D
M
(
0
R
)
S
T
R
2
R
0
2
1
0
0
1
0
1
0
C
C
M
M
M
M
M
M
M
_
_
_
_
_
_
_
D
D
D
D
D
D
D
(
(
(
(
(
(
(
4
1
3
6
5
7
2
)
)
)
)
)
)
)
L
L
L
C
C
C
D
D
D
C
_
_
_
D
D
M
D
V
(
(
(
_
P
S
1
1
1
C
_
5
4
2
H
Y
C
L
)
)
)
N
R
K
L
S
C
S
E
K
D
C
F
A
L
V
B
A
T
V
C
C
D
L
C
D
C
O
N
N
E
C
T
O
R
3
3
P
F
,
N
P
O
,
0
6
0
3
3
3
P
F
,
N
P
O
,
0
6
0
3
3
3
P
F
,
N
P
O
,
0
6
0
3
3
3
P
F
,
N
P
O
,
0
6
0
3
3
3
P
F
,
N
P
O
,
0
6
0
3
C225
C226
C227
C228
C229
C230
C231
C232
C233
C234
C235
C200
C201
C202
C203
C204
C205
C206
C207
C208
C209
C210
C211
4
4
4
7
5
9
4
4
4
7
5
9
4
5
4
6
0
8
4
5
4
6
0
8
S
S
P
P
K
K
1
1
N
P
3
3
3
3
3
4
4
1
9
7
5
3
3
1
3
3
3
3
3
4
4
1
9
7
5
3
3
1
3
3
3
3
4
4
4
2
8
4
6
4
2
0
3
3
3
3
4
4
4
2
8
6
4
4
2
0
G
D
B
L
R
M
C
L
I
E
R
L
M
U
D
C
D
E
_
E
_
_
E
D
C
A
L
_
N
_
T
E
L
(
C
_
0
L
E
D
L
S
)
D
E
D
1
1
1
2
2
2
5
9
7
2
2
2
5
9
7
3
2
2
0
8
6
2
3
2
8
0
6
C
L
L
C
C
P
D
D
_
W
_
_
D
D
E
(
(
N
4
7
_
)
)
C
A
M
1
2
2
1
7
5
3
1
3
1
9
1
2
2
1
7
3
1
9
1
2
2
2
8
4
2
0
1
2
2
2
8
4
2
0
L
L
L
L
C
C
C
C
D
D
D
D
_
_
_
_
D
D
D
D
(
(
(
(
1
0
3
2
)
)
)
)
3
5
7
1
9
8
1
1
1
3
5
7
9
5
1
6
1
6
L
C
D
_
D
(
6
)
1
3
1
1
1
4
2
1
4
L
C
D
_
D
(
5
)
C
N
2
1
0
0
2
4
6
8
1
1
1
2
4
6
2
0
H
V
D
D
L
L
L
L
L
C
C
C
C
C
D
D
D
D
D
_
_
_
_
_
D
D
D
D
D
(
(
(
(
(
8
9
1
1
1
)
)
0
1
3
)
)
)
(Picture 1)
5-9
SAMSUNG Proprietary-Contents may change without notice
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Page 10
MICOUTP
MICINP
MICINN
MICOUTN
VREGP
AUXOUTP
AUXINP
AUXINN
AUXOUTN
EAR_SWITCH
JACK_IN
R116
82K,1%
R125
82K,1%
R146
100K,1%
R157
100K,1%
R138
NC
10K,1%
10K,1%
10K,1%
10K,1%
U103-2
U103-1
R118
R123
33UF
R150
R158
C136
R137
C147
10NF
SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
C128
1UF
C129
33PF
C130
1UF
VCCA
1.5K,1%
220
1.5K,1%
C139
1UF
C143
1UF
7
R163
VCCA
56K,1%
8
1
4
R129
R147
R126
1.5K,1%
C132
33PF
R139
0
R148
1.5K,1%
C142
33PF
5
6
3
2
R166
510K
R162
180K,1%
R164
1M
R165
1M
VCCA
VCCA
C131
33PF
AOUTBP
AOUTBN
MAIN_MIC
3
0
1
D
Z
C144
1NF
YMU_SPK1P
4
0
1
D
Z
AUDIO
AOUTAP
SPK1P
C138
33PF
R100
0
1
0
1
D
Z
0
0
C145
1
D
1NF
Z
U100
10 1
NO2
V+
9
NO1
COM2
8
COM1
IN2
7
NC2
IN1
6
NC1
GND
2
0
1
D
Z
C146
82PF
VCCD
R101
100K
R102
2
0
3
4
5
C100
100NF
CN101
11
22
33
44
55
66
77
15
G
8
8
G16
99
17
G
10
10
18G
11GG12 13GG14
AOUTAN
SPK1N
AUDIO_AMP_EN
YMU_SPK1N
D(1)
D(0)
CP_WEN
YMU_EN
A(0)
CP_OEN
CLK13M_YMU
YMU_IRQ
RST
LED_DATA
(Picture 2)
P
N
1
1
K
K
P
P
N
S
S
_
_
21 20
56
C
N
9
0
1
R
)
6
(
D
6
D
C
N
E
_
)
U
7
B
(
M
I
Y
D
V
19
1718
7
2
R
T
D
T
U
M
SPVSS
O
P
S
SPVDD
HPOUT-R
HPOUT-L/MONO
C
D
S
L
S
L
D
V
P
V
98
7
K
3
.
3
0
1
1
R
C116
1NF
U
M
Y
G
1
T
U
O
P
S
EQ3
EQ2
EQ1
F
E
R
V
C114
100NF
C115
4.7UF
6.3V
36
16
15
14
13
12
11
10
35
VCCD
C111
22NF
C117
100NF
R105
150K
R107
33K
C113
4.7NF
C106
150PF
R108
56K
R106
82K
VBAT
C112
4.7UF
6.3V
C110
100NF
)
)
2
(
D
25
33
2
G
D
26
D1
27
D0
28
/WR
29
/CS
30
A0
31
/RD
32
I
IOVDD
K
L
34
C
GG
1
)
)
4
5
3
(
(
(
D
D
D
24
23 22
3
5
4
D
D
D
U101
T
Q
D
S
R
E
R
I
/
/
L
2
3
4
YMU
(Picture 3)
5-10
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 11
SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
G
E
M
I
N
I
0
R
1
5
2
Q
1
0
0
2
K
E
Y
_
R
O
W
(
0
)
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
S
P
_
D
B
(
1
5
)
D
2
D
B
1
5
GNDS17
GNDS16
GNDS15
GNDS14
GNDS13
GNDS12
GNDS11
GNDS10
AUX_ADC3
GND_OCTL
VDD_OCTL
VDD_IO2
VDD_IO1
GND_HCUR
GND_PSC2
GND_PSC1
U
P
_
C
L
K
N
9
C
1
0
5
C
1
0
7
3
C
3
1
P
0
F
8
3
C
3
1
P
0
F
9
GNDS9
GNDS8
GNDS7
GNDS6
GNDS5
GNDS4
GNDS3
GNDS2
GNDS1
GNDV
VDDV
GNDB
VDDB
GNDD
VDDD
VSS4
VSS3
VSS2
VSS1
VDD3
VDD2
VDD1
GNDQ
VDD67
VDD5
V
D
D
1
2
J
1
3
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
C
1
U
1
5
F
2
2
3
2
3
G
G
G
G
4
5
4
5
3
C
3
1
P
0
F
4
1
0
0
N
F
V
B
A
T
1
1
C
N
1
0
0
6
6
0
R
1
0
4
V
R
C
5
6
1
P
0
F
1
C
1
0
1
N
5
3
F
C
1
0
3
F
R
N
1
C
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
E
U
N
A
R
T
D
N
E
D
_
X
F
_
_
_
_
O
_
_
L
L
L
S
E
E
E
E
E
U
E
N
N
L
S
S
E
E
S
R
R
E
D
R
C
A
L
L
E
K
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
MICOUTP
MICOUTN
AUXOUTP
AUXOUTN
R
1
4
9
R
S
T
0R154
0R156
MICINP
MICINN
AUXINP
AUXINN
VREGP
NC
NC
NC
NC
P
I
N
W
T
R
R
Q
_
K
E
E
P
C137
100NF
1
0
0
N
F
R
0
1
4
0
R
T
X
_
Q
N
R
1
5
9
T
C
C
B
A
A
B
3
3
2
1
1
2
O
O
S
S
S
S
E
E
E
E
C
C
R
R
R
R
T
T
L
L
D
C
L
L
E
E
7
6
A
K
1
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
A
R
M
2
A
A
D
D
C
C
C
R
H
_
_
T
C
C
V
_
A
A
_
R
R
R
U
U
A
L
E
E
E
X
X
M
S
F
F
1
2
N
D
E
H
E
A
D
9
1
1
1
1
1
0
0
4
0
5
0
R
N
1
7
C
7
R
1
2
0
8
V
D
R
L
C
E
_
F
D
E
T
E
C
T
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
C
1
3
5
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
5
6
4
5
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
S
S
S
S
S
S
P
P
P
P
P
P
P
P
_
_
_
_
_
_
_
A
B
(
0
)
C
R
E
K
L
L
3
2
5
6
6
3
O
O
I
R
A
R
|
O
B
E
W
C
C
0
S
T
T
N
E
L
L
1
0
T
N
_
C
S
P
_
A
A
A
A
A
A
A
B
B
B
B
B
B
B
(
(
(
(
(
(
(
2
1
5
4
3
7
6
)
)
)
)
)
)
)
M
M
N
N
K
P
L
5
7
1
2
2
1
1
A
A
A
A
A
A
A
B
B
B
B
B
B
B
7
6
5
4
3
1
2
U
1
0
2
S
S
C
C
H
H
_
_
B
I
D
S
E
R
N
V
F
1
2
R
1
7
2
C
C
S
D
S
V
V
V
V
V
L
D
O
N
K
I
V
V
_
_
_
_
P
P
P
P
E
B
S
S
S
S
X
A
C
C
C
C
T
T
E
1
1
K
M
L
N
E
E
8
8
1
1
7
7
4
3
R
1
7
6
T
T
T
T
P
P
P
P
1
1
1
1
1
0
0
0
0
0
K
2
0
3
1
,
1
%
U
U
U
U
V
B
P
P
P
P
A
_
_
_
_
C
S
S
S
T
C
D
D
S
L
I
O
K
C
1
U
1
4
F
8
C
1
U
1
2
F
3
C
1
U
1
F
2
4
C
1
U
1
F
2
5
C
4
7
1
0
2
N
6
F
C
4
7
1
0
2
N
7
F
V
V
L
L
L
L
L
L
L
V
D
D
D
D
D
4
4
A
O
O
O
O
O
S
S
C
_
_
_
_
_
_
_
C
B
A
2
5
1
4
3
J
B
B
G
A
B
A
F
1
1
4
1
1
1
1
1
1
2
0
2
3
1
2
1
G
P
C
S
S
M
_
_
T
T
X
X
_
_
E
E
N
N
NEG
D
S
P
_
A
B
(
0
:
8
)
D
S
P
_
D
D
D
D
D
D
D
D
D
D
D
D
A
B
S
S
S
S
(
P
P
P
P
8
_
_
_
_
)
D
D
D
D
B
B
B
B
(
(
(
(
2
3
1
0
)
)
)
)
K
K
K
K
J
5
3
1
2
5
D
D
D
D
A
B
B
B
B
B
8
3
2
1
0
R
I
V
N
V
V
V
V
I
G
B
L
L
L
L
_
_
D
D
5
5
D
D
O
O
S
S
R
R
_
_
_
_
B
A
V
V
7
6
C
A
F
C
D
1
1
1
9
1
5
4
2
0
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C
C
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R
F
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C
C
D
V
C
C
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1
.
8
A
1
0
0
P
F
2
1
R
B
4
1
4
_
I
V
0
2
N
D
D
S
S
S
S
P
P
P
P
_
_
_
_
D
D
D
D
B
B
B
B
(
(
(
(
4
5
7
6
)
)
)
)
G
H
J
6
3
5
D
D
D
B
B
B
6
4
5
L
L
E
E
D
D
2
1
V
_
_
D
D
R
R
R
T
C
V
V
G
G
F
1
1
1
3
2
3
K
E
Y
_
B
L
V
C
C
B
C
1
2
1
POS
M
1
0
0
D
S
S
S
S
S
S
S
P
P
P
P
P
P
P
_
_
_
_
_
_
_
D
D
D
D
D
D
D
B
B
B
B
B
B
B
(
(
(
(
(
(
(
8
9
1
1
1
1
1
)
)
0
1
3
2
4
)
)
)
)
)
G
4
D
B
7
H
1
1
D
E
E
F
F
F
F
3
2
1
4
3
2
3
D
D
D
D
D
D
D
B
B
B
B
B
B
B
1
1
1
1
1
9
8
2
4
3
1
0
S
S
U
I
I
S
M
M
P
U
I
_
_
_
V
M
P
R
R
C
S
_
_
S
S
L
I
I
I
M
O
O
K
T
T
K
J
K
R
P
K
1
1
1
1
1
1
1
4
1
0
2
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
V
R
T
C
R
1
.
1
2
1
K
2
(Picture 4)
5-11
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 12
SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
1
C
0
3
N
0
F
2
1
C
0
V
3
N
C
0
F
A
(
2
1
C
K
K
D
D
D
D
D
E
E
E
E
E
C
B
S
S
D
I
S
M
S
I
M
D
_
R
A
C
X
T
L
D
A
K
T
R
I
D
E
N
T
U
P
_
S
D
I
B
B
B
B
S
U
U
H
U
U
U
D
G
G
G
G
G
G
S
_
_
_
_
_
_
_
R
D
T
D
T
C
R
X
X
X
T
E
T
T
D
D
R
D
S
S
T
P
W
M
F
U
U
U
C
A
D
S
L
U
P
_
S
D
O
I
P
P
H
E
M
A
_
_
D
B
G
R
S
S
C
U
I
_
O
H
S
C
S
O
G
_
T
_
L
N
_
A
R
K
R
M
E
I
S
P
E
_
E
T
N
E
E
Y
Y
_
_
R
C
O
O
W
L
(
(
0
0
:
:
4
4
)
)
K
K
K
K
K
E
E
E
E
E
Y
Y
Y
Y
Y
_
_
_
_
_
K
K
K
K
K
R
R
R
R
R
E
E
E
E
E
O
O
O
O
O
Y
Y
Y
Y
Y
W
W
W
W
W
_
_
_
_
_
(
(
(
(
(
C
C
C
C
C
1
0
4
3
2
O
O
O
O
O
)
)
)
)
)
L
L
L
L
L
(
(
(
(
(
3
4
2
0
1
)
)
)
)
)
U12
N10
P13
N17
M17
D13
C
T
C
C
E
D
J
P
D
C
A
R
A
W
P
P
P
I
E
P
M
C
_
R
_
_
_
B
_
R
_
R
K
T
T
T
_
U
_
C
C
M
_
D
S
S
G
K
T
I
T
K
W
I
S
N
E
_
L
D
I
E
T
S
P
C
R
H
2
T
2
D
P
O
F
2
C
2
3
P
2
F
0
L4
XCP_KB0/SIN0
L5
XCP_KB1/SIN1
M4
XCP_KB2/SIN2
T1
XCP_KB3/SIN3
R2
XCP_KB4/SIN4
T3
XCP_KB5/SOUT0
U3
XCP_KB6/SOUT1
P3
XCP_KB7/SOUT2
T4
XCP_KB8/SOUT3
N3
XCP_KB9/SOUT4
K5
XPA11/IRDARX
N1
XPA12/IRDATX
F3
XPA30_IM0
E1
XPA31_IM1
H4
XPA15/TX0
L3
XPA16/RX0
G5
XPA28_IOM0
F1
XPA29_IOM1
G6
XPA13_TX1
G3
XPA14_RX1
XSM0_DATA
XSM0_CLK
L2
XPA19/CP_MOSI
L1
XPA20/CP_MISO
K4
XPA21/CP_SCK
J6
XPA22/SSN
R5
XPWM1
H6
XPA23/PWM2
H5
XPA24/PWM3
F4
XFRSTB
M3
XPA25_OM0
G2
XPA26_OM1
G4
XPA27_SM1_CLK
E4
XPA17_DRQ0
XPA18_T_ACK
XPA33_T_REQA
XPA34_T_REQB
D7
XCP_TCK
G8
XCP_TMS
C7
XCP_TDI
F9
XCP_TRSTN
XCP_TDO
C
3
1
9
U
P
P
F
Y
E
L
M
R
I
P
I
_
M
U
N
_
B
_
_
T
S
Y
I
I
R
R
N
N
T
Q
Q
S
T
E
M
N
P
T
2
5
2
9
X
X
X
X
X
P
P
P
P
P
A
A
A
A
A
9
6
7
8
1
/
/
/
/
0
I
B
I
I
R
R
R
/
I
E
R
Q
Q
Q
1
Q
3
1
2
N
4
X
R
T
X
C
O
A
S
L
X
C
A
X
X
B
3
R
2
1
2
S
R
R
M
O
W
T
T
_
U
N
C
C
N
T
B
D
C
E
A
7
8
7
1
6
0
C
R
L
T
K
C
3
A
2
L
K
A
R
M
O
S
C
3
0
0
T
R
_
R
S
T
C
C
P
D
P
D
P
_
L
_
C
E
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C
C
C
B
S
_
S
C
S
U
Y
R
C
D
R
P
R
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G
O
P
E
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M
A
_
_
U
M
T
W
O
M
M
D
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2
C
E
E
C
E
E
E
E
C
N
N
N
S
D
N
N
N
T
M
M
M
N
C
A
A
P
P
T
1
1
1
1
1
1
1
1
1
1
3
2
4
6
1
4
3
5
5
5
X
X
X
X
X
X
X
X
X
C
C
C
P
P
P
P
P
P
A
A
A
A
A
A
P
P
P
2
1
5
3
4
0
_
_
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/
/
/
/
/
/
C
C
W
C
C
W
C
O
C
S
S
E
S
S
S
S
E
A
R
R
3
2
N
4
1
N
I
A
O
T
N
N
N
N
N
M
M
E
E
N
N
X
C
P
T
S
T
X
S
T
T
I
C
O
_
P
M
X
X
X
X
D
D
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O
A
A
A
A
C
B
G
0
B
1
1
B
G
G
G
D
K
#
#
0
1
1
3
2
E
O
M
P
D
E
D
A
5
1
1
1
1
1
1
1
1
2
2
D
S
P
_
D
B
(
0
)
I
C
R
1
H
0
3
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1
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K
7
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,
1
%
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(
2
D
(
0
)
A
6
X
C
P
_
D
0
VSS_DPLL
VDD_DPLL
3
)
D
(
0
:
1
5
)
R
3
4
7
0
K
2
1
NC
2
NC
N15
L13
L17
VDD
H14
L9
VSS
J11
VSS
L8
VSS
M7
VSS
L10
VSS
L6
VSS
K7
VSS
K6
VSS
J7
VSS
H11
VSS
H7
VSS
G10
VSS
G9
VSS
F6
VSS
A3
VSS
A2
VSS
C16
VDD
A5
VDD
R17
VDD
R16
VDD
T13
VDD
R4
VDD
R1
VDD
G1
VDD
E2
VDD
B14
VDDE
E17
VDDE
E16
VDDE
N16
VDDE
U16
VDDE
U15
VDDE
P8
VDDE
U2
VDDE
M1
VDDE
B1
VDDE
E15
G16
F10
XVREF
E10
VSSA
C11
VDDA
D8
VRTC
F17
CKI
C12
RSTB
C
T
R
L
K
_
R
1
3
S
M
T
_
T
R
4
R
7
3
K
0
4
A
A
A
A
A
A
A
A
A
A
A
A
(
(
1
2
9
0
)
)
L
L
L
1
1
1
4
5
6
X
X
X
C
C
C
P
P
P
_
_
_
A
A
A
1
2
2
9
0
1
D
D
D
B
B
B
#
#
#
2
3
4
U
R
P
U
6
6
6
7
D
D
D
D
S
S
S
S
P
P
P
P
_
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_
_
D
D
D
D
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B
B
B
(
(
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(
1
2
3
4
)
)
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(
(
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(
(
(
(
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(
9
1
1
1
1
1
1
1
1
1
)
0
1
2
3
7
8
5
6
4
)
)
)
)
)
)
)
)
)
G
G
G
C
D
K
K
K
F
J
1
1
1
1
1
1
1
1
1
1
3
4
2
2
3
7
4
7
4
6
X
X
X
X
X
X
X
X
X
X
X
C
C
C
C
C
C
C
C
C
C
C
P
P
P
P
P
P
P
P
P
P
P
_
_
_
_
_
_
_
_
_
_
_
A
A
A
A
A
A
A
A
A
A
A
1
1
1
1
1
1
1
9
1
8
1
7
8
6
5
3
4
1
2
0
U
3
0
2
D
D
D
D
D
D
D
D
D
D
D
B
B
B
B
B
B
B
B
B
B
B
#
#
#
#
#
#
#
#
#
#
#
1
1
1
1
1
1
8
9
6
7
5
0
1
2
4
3
5
N
M
P
N
M
R
U
R
T
T
7
1
7
8
7
7
1
1
8
6
1
1
1
D
D
D
D
D
D
D
D
D
D
S
S
S
S
S
S
S
S
S
S
P
P
P
P
P
P
P
P
P
P
_
_
_
_
_
_
_
_
_
_
D
D
D
D
D
D
D
D
D
D
B
B
B
B
B
B
B
B
B
B
(
(
(
(
(
1
1
1
1
1
(
(
(
(
(
6
7
8
9
5
0
1
2
3
4
)
)
)
)
)
)
)
)
)
)
A
(
0
:
2
0
)
A
A
A
A
A
A
A
A
A
(
(
(
(
(
(
(
(
(
4
5
6
7
8
0
1
2
3
)
)
)
)
)
)
)
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)
D
D
D
D
D
D
(
(
(
(
(
1
1
1
1
1
5
1
4
2
3
)
)
)
)
)
C
D
A
A
B
E
B
B
F
D
D
C
C
E
1
1
1
1
1
1
1
1
1
3
2
2
1
3
6
5
7
4
3
4
1
5
5
X
X
X
X
X
X
X
X
X
X
X
X
X
C
C
C
C
C
C
C
C
C
C
C
C
C
P
P
P
P
P
P
P
P
P
P
P
P
P
_
_
_
_
_
_
_
_
_
_
_
_
_
A
A
A
A
A
A
A
A
D
D
D
D
D
6
7
5
2
0
1
4
3
1
1
1
1
1
_
4
3
2
1
5
B
E
O
N
A
A
A
B
B
B
#
#
#
0
1
2
U
M
P
1
1
1
0
3
0
D
D
D
D
S
S
S
S
P
P
P
P
_
D
_
_
_
A
A
A
B
B
B
B
(
1
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(
(
2
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0
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)
D
S
P
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1
5
:
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I
A
N
A
A
A
A
A
R
B
B
B
B
B
B
T
W
I
O
#
#
#
#
#
#
#
N
7
3
0
4
5
7
8
6
R
N
P
U
N
T
P
R
R
T
1
1
1
1
1
1
5
4
1
1
4
7
1
2
3
1
2
4
D
D
D
D
D
D
S
S
S
S
S
S
P
P
P
P
P
P
_
_
_
_
_
_
A
A
A
A
A
A
B
B
B
B
B
B
(
(
(
(
(
(
3
4
8
6
7
5
)
)
)
)
)
)
M
_
L
E
D
_
E
N
D
S
P
D
D
D
_
A
S
S
S
B
P
P
P
(
_
_
_
8
I
I
R
:
N
O
0
W
T
)
N
D
D
D
D
D
D
D
D
D
(
(
(
(
(
(
(
(
(
(
1
1
2
3
9
8
7
6
5
4
0
)
)
)
)
)
)
)
)
)
)
C
D
D
C
B
B
E
B
F
F
3
5
4
5
7
4
6
5
7
8
X
X
X
X
X
X
X
X
X
X
C
C
C
C
C
C
C
C
C
C
P
P
P
P
P
P
P
P
P
P
_
_
_
_
_
_
_
_
_
_
D
D
D
D
D
D
D
D
D
D
1
1
7
8
6
5
9
4
3
2
0
XPA36_A23_CS5N
XPA35_A22
XPA32_CS0N
I
I
O
O
B
B
T
C
T
T
T
R
I
I
T
T
T
M
D
K
C
S
#
#
D
O
O
K
S
T
1
2
I
G
F
L
K
H
G
H
F
1
1
1
1
1
1
1
1
2
5
2
1
3
2
5
2
T
P
6
0
2
T
D
D
D
D
R
S
S
S
S
_
P
P
P
P
R
_
_
_
_
S
T
T
T
T
C
M
D
D
T
K
I
O
S
L
E
D
_
D
A
A
(
2
T
2
A
)
4
R
7
3
K
0
1
V
C
C
_
1
.
8
A
T
R
_
R
S
T
1
C
0
3
N
0
F
V
C
C
_
1
.
8
A
V
C
C
D
2
C
7
3
P
1
F
0
C
1
3
0
1
N
1
F
1
0
0
N
F
2
2
N
F
V
R
E
F
7
R
S
T
V
C
C
_
1
.
8
A
V
C
C
C
D
3
0
8
V
R
T
C
C
3
0
9
C
3
D
1
C
0
3
N
0
F
4
1
C
0
3
N
0
F
5
C
2
2
3
0
0
N
0
F
V
C
3
C
3
C
3
N
0
_
F
6
1
.
8
A
C
2
2
3
0
0
N
1
F
R
3
0
0
1
0
V
C
C
1
B
R
1
0
3
K
0
,
7
1
%
V
B
A
3
R
3
K
3
1
,
1
0
%
C
1
0
3
0
2
N
1
F
T
3
R
3
K
3
0
,
1
9
%
B
P
_
V
F
R
M
3
0
5
2
V
O
U
G
3
N
0
3
D
1
V
S
1
V
C
C
B
(Picture 5)
5-12
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Page 13
SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
2.RF
1. GSM RX
CONTINUOUS RX ON
RF INPUT : 189CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
YES
F402 CHECK
pin8 ≥ 65dBm ?
YES
F402 CHECK
pin2, 3 ≥ 65dBm ?
YES
U403 CHECK
pin20,21 ≥ 65dBm
NO
NO
NO
C426, C427, L400 contact ?
NO
resolder or change
resolder or change
C433, L401, C435
resolder or change
check
CON1
F402
YES
U403 check
pin 8,9, 14, 30, 32
:clean 2.8V
YES
CHECK
U102
NO
U102 Pin A13, C125
check or resolder
5-13
SAMSUNG Proprietary-Contents may change without notice
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Page 14
2. PCS RX
SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
CONTINUOUS RX ON
RF INPUT : 660CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
YES
F402 CHECK
pin8 ≥ 65dBm ?
YES
F402 CHECK
pin4, 5 ≥ 65dBm ?
YES
U403 CHECK
pin16, 17 ≥ 65dBm
NO
NO
NO
NO
check
C426, C427, L400 contact ?
CON1
resolder or change
F402
resolder or change
C433, L401, C435
resolder or change
YES
U403 check
pin 8,9, 14, 30, 32
:clean 2.8V
YES
CHECK
U102
NO
U102 Pin A13, C125
check or resolder
5-14
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Page 15
SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
3. GSM TX
F402 pin 13
about 2~3dBm?
YES
F400 , C421
check&change
NO
F402
pin 1=2.8V?
YES
U404 pin 6
about 4~5dBm?
YES
F402 check & change
BATTERY
check & change
U102
check & change
NO
NO
NO
NO
NO
U102
check & change
U404 pin
42,43
YES
U404 pin 45
=1.2V ?
YES
U404 pin 48
about : -5dBm
YES
U404 pin 40
=3V?
NO
U102
pin A13, C125
change or resolder
U403
change or resolder
NO
YES
U403
pin 8,9,14,30,32
=2.8V?
YES
OSC 402
pin 1,3=13MHz
YES
U403 pin 28
=13MHz
YES
U403
pin11,12,13
=3.0V?
YES
U404
change or resolder
NO
NO
change or resolder
NO
check or change
U102
check
OSC 402
change
U403
U102
5-15
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Page 16
4. PCS TX
SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
F402 pin 11
about 2~3dBm?
YES
F400 , C421
check&change
NO
F402
pin6=2.8V?
YES
U404 pin31
about 4~5dBm?
YES
F402 check & change
BATTERY
check & change
U102
check
NO
NO
NO
NO
NO
U102
check&change
U404 pin 42,43
=3.7V?
U404 pin 45
=1.2V?
U404 pin 37
about :
U404 pin 40
=3V?
YES
YES
YES
NO
U102
pin A13,C125
change or resolder
U403
change or resolder
NO
YES
U403
pin 8,9,14,30,32
=2.8V?
YES
OSC 402
pin1,3=13MHz
YES
U403 pin28
=13MHz
YES
U403
pin11,12,13
=3.0V?
YES
U404
change or resolder
NO
NO
NO
change or resolder
check or change
U102
check
OSC 402
check or change
U403
U102
5-16
SAMSUNG Proprietary-Contents may change without notice
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Page 17
SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
T
U
B
O
B
_
_
A
Z
N
N
H
E
E
_
M
F
O
3
VRF
1
R
X
32
4
GND2
HOT
1
OSC402
RTX_QP
RTX_QN
RTX_IP
RTX_IN
3
HOT
GND1
2
AFC
R428
10K,1%
C454
10NF
31
30
28
29
D
D
D
D
N
D
33
N
D
V
G
V
G
GND
34
GND
35
GND
36
GND
37
NC
38
NC
1
BQP
2
BQN
3
BIP
4
BIN
5
XTAL1
6
XTAL2
N
E
7
L
XAFC
A
T
X
8
27
T
N
U
E
O
X
X
U403
N
E
V
R
D
X
9
10
24
26
23
25
22
2
1
N
D
P
_
B
O
N
D
E
S
S
11
D
G
G
G
O
O
A
A
I
I
F
F
D
R
R
D
RFIGN
RFIGP
RFIDN
RFIDP
RFIPN
RFIPP
GND
K
L
I
D
C
D
D
S
S
V
14
12
13
C400
47PF
C401
33PF
21
20
19
18
17
16
15
GSM_PAM_IN
PCS_PAM_IN
GSM_LNA_IN_N
GSM_LNA_IN_P
PCS_LNA_IN_N
PCS_LNA_IN_P
VRF
C407
22NF
13MHZ_BB
C402
10NF
C405
10NF
E
L
R
E
S
(Picture 1)
R402
560
R403
100
T
K
L
A
C
D
R
R
E
E
S
S
SI-LAB
C412
100PF
100PF
C403
100PF
C404
100PF
C414C413
100PF
CLK13M_TR
CLK13M_MC
CLK13M_YMU
X-TAL(13MHz)
(Picture 2)
5-17
SAMSUNG Proprietary-Contents may change without notice
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Page 18
SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
T
P
C
S
_
P
A
M
_
I
N
R
3
0
4
0
2
4
R
1
8
4
2
2
3
R
0
4
0
2
3
C
1
4
N
5
F
0
C
1
4
N
5
F
3
T
R
A
N
S
M
I
T
T
E
R
&
R
E
C
E
I
V
E
R
X
_
B
A
N
D
_
S
E
L
3
C
3
4
P
4
F
1
36
NC
35
VCC2DCS/PCS
34
GND
33
NC
32
GND
31
DCS/PCSOUT
30
GND
29
NC
28
NC
27
NC
26
NC
25
NC
T
X
P
T
O
X
W
_
E
E
N
R
3
C
3
4
P
4
F
0
39
38
40
37
V
T
N
B
D
C
S
/
P
C
S
I
N
X
C
A
C
E
N
C
N
D
1
A
S
B
E
L
L
E
R
1
8
4
0
1
K
7
,
1
%
41
42 43
44
V
V
N
B
B
C
A
A
T
T
T
T
U
4
0
4
V
C
C
3
V
D
C
V
V
C
C
C
C
S
C
C
3
/
G
O
O
P
C
U
S
T
20
21 18
C
4
3
7
1
1
1
3
G
D
S
C
M
S
7
G
-
-
T
T
9
G
X
X
1
G
0
G
1
2
1
4
G
D
D
C
C
S
S
-
R
R
X
X
4
5
S
U
M
T
19
L
1
4
.
8
0
N
4
H
6
1
V
V
C
C
2
1
8
A
N
T
G
G
S
S
M
M
-
R
R
X
X
2
3
N
N
N
C
C
C
22
23
24
1
C
0
4
N
5
F
1
C
4
7
4
P
5
F
2
8
L
.
2
4
N
0
3
H
1
.
2
P
F
2
C
.
2
4
P
3
4
F
G
S
M
_
P
A
M
_
I
N
V
B
1
3
3
R
0
4
0
2
7
1
R
8
4
2
5
R
3
0
4
0
2
6
45
46
48
47
V
C
C
1
G
S
M
N
C
G
N
D
1
G
S
M
N
C
16
G
G
N
S
D
M
8
5
0
/
9
0
0
I
N
GSMINTERGND
VCC2GSM
GSM850/900OUT
N
N
C
C
14
15
C
1
4
N
3
F
1
C
1
4
N
3
F
2
V
R
A
M
P
N
C
17
F
4
0
2
C
0
3
4
V
U
2
F
3
3
1
C
3
0
4
U
V
2
F
4
C
1
0
4
N
2
5
F
50
51
52
49
G
G
G
N
N
N
D
D
D
53
GND
54
GND
1
2
3
NC
4
GND
5
GND
6
7
GND
8
NC
9
NC
10
NC
11
NC
12
NC
13
G
P
S
C
M
S
_
_
T
T
X
X
_
_
E
E
N
N
C
4
2
1
4
7
P
F
1
I
F
3
N
G
4
1
0
0
4
O
G
U
2
T
2
A
T
C
1
4
N
4
F
3
C
2
.
2
P
F
P
C
S
_
L
N
A
_
I
N
_
P
1
C
2
.
4
2
4
P
2
F
L
4
4
.
7
0
n
2
H
P
C
S
_
L
N
A
_
I
N
_
N
1
C
4
3
6
C
P
P
4
4
F
F
3
3
5
3
3
L
0
4
n
0
H
1
G
G
S
S
M
M
_
_
L
L
N
N
A
A
_
_
I
I
N
N
_
_
P
N
C
0
.
4
5
2
P
7
F
C
3
4
P
2
F
6
L
A
6
4
N
.
0
8
T
0
n
4
H
0
0
A
N
T
(Picture 3)
5-18
SAMSUNG Proprietary-Contents may change without notice
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Page 19
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
S
P
_
D
B
(
1
5
)
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
VDD_IO2
VDD_IO1
GND_HCUR
GND_PSC2
GND_PSC1
VDD67
U
V
P
D
_
C
D
L
1
K
2
N
9
C
1
0
5
C
1
0
7
3
C
3
1
P
0
F
8
C
3
3
1
P
0
F
9
1
0
9
8
7
GNDV
VDDV
GNDB
VDDB
GNDD
VDDD
VSS4
VSS3
VSS2
VSS1
VDD3
VDD2
VDD1
GNDQ
VDD5
J
1
3
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
C
1
U
1
5
F
2
2
3
2
3
G
G
G
G
4
5
4
5
C
3
3
1
P
0
F
4
1
0
0
N
F
V
B
A
T
1
1
C
N
1
0
0
6
6
0
R
1
0
4
V
R
5
C
6
1
P
0
F
C
1
0
3
N
1
C
C
1
0
1
N
5
F
3
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
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
0
N
F
R
0
1
4
0
I
P
N
W
T
R
R
Q
_
K
E
E
P
R
T
X
_
Q
N
R
1
5
9
T
C
C
A
B
2
2
1
1
S
S
S
S
E
E
E
E
R
R
R
R
L
L
C
D
E
E
K
A
1
AFC
TXP
RAREF2
RAREF1
RXTXIP
RXTXIN
RXTXQP
RXTXQN
AOUTAP
AOUTAN
AOUTBP
AOUTBN
MICINP
MICINN
MICOUTP
MICOUTN
AUXINP
AUXINN
AUXOUTP
AUXOUTN
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VREGP
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DAIDI
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MODE
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(Picture 4)
5-19
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