Samsung E860V Service Manual
GSM TELEPHONE
SGH-E860V
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-E860V Specification
1-1. GSM General Specification
GSM900
Phase 1
Freq. Band[MHz]
Uplink/Downlink
ARFCN range 1~124
Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz
Mod. Bit rate/
Bit Period
Time Slot
Period/Frame
Period
Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK
MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
890~915
935~960
270.833kbps
3.692us
576.9us
4.615ms
EGSM 900
Phase 2
880~915
925~960
0~124 &
975~1023
270.833kbps
3.692us
576.9us
4.615ms
DCS1800
Phase 1
1710~1785
1805~1880
512~885 512~810
270.833kbps
3.692us
576.9us
4.615ms
PCS1900
1850~1910
1930~1990
270.833kbps
3.692us
576.9us
4.615ms
Power Class 5 p cl ~ 1 5 p cl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl
Sensitivity -102dBm -102dBm -100dBm -100dBm
TDMA Mux 8 8 8 8
Cell Radius 35Km 35Km 2Km -
1-1
SGH-E860V Speclflcation
1-2. GSM Tx Power Class
TX Power
control level
5 33±2 dBm
6 31±2 dBm
7 29±2 dBm
8 27±2 dBm
9 25±2 dBm
10 23±2 dBm
11 21±2 dBm
12 19±2 dBm
13 17±2 dBm
14 15±2 dBm
15 13±2 dBm
16 11±3 dBm
17 9±3dBm
18 7±3 dBm
19 5±3 dBm
GSM900
TX Power
control level
0 30±3 dBm
1 28±3 dBm
2 26±3 dBm
3 24±3 dBm
4 22±3 dBm
5 20±3 dBm
6 18±3 dBm
7 16±3 dBm
8 14±3 dBm
9 12±4 dBm
10 10±4 dBm
11 8±4dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
DCS1800
TX Power
control level
0 30±3 dBm
1 28±3 dBm
2 26±3 dBm
3 24±3 dBm
4 22±3 dBm
5 20±3 dBm
6 18±3 dBm
7 16±3 dBm
8 14±3 dBm
9 12±4 dBm
10 10±4 dBm
11 8±4dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
PCS1900
15 0±5 dBm
1-2
15 0±5 dBm
2. SGH-E860V
Flow Chart of Troubleshooting
2-1 BASEBAND
2-1-1. Power ON
'Power ON' does not work
check the current
consumption
>= 100mA
Yes
Check the Voltage
of the Battery
>= 3.3V
Yes
Check the pin C417
of U401 is
>=1.8V
Yes
C419,C420
>= 2.8V
Yes
No
No
No
No
Yes
Download again
Charge the battery
Check
"Power On"
key?
Yes
No
C421=1.8V ?
No
check U401 and C417
check keypad
Check U401 , C421
Checktheclocksignalat
pin #4 of OSC100
Freq=13Mhz,
Vrms >=300mV
Yes
Check the Initial Operation
Yes
END
Check the clock generation
circuit OSC100
No
2-29
SGH-E860V Flow Chart of Troubleshooting
Dsp_db(0:15)
Dsp_ab(0:8)
Flash_reset
Tx_band_sel
Dsp_io
Dsp_rwn
Pac_en
Serdat
Serclk
Rf_en
Serle
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)
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)
C400
Vrf_2.9
Vcca_2.8
C401
C402
Vccd_1.8
Vccd_2.8
C403
Vbat
Ear_check
0
1
K
2
1
5
6
C
C
N
N
D2
Db15
D3
Db14
E3
Db13
E2
Db12
F3
Db11
F2
Db10
F1
Db9
F4
Db8
G4
Db7
G3
Db6
H5
Db5
J6
Db4
J5
Db3
K3
Db2
K2
Db1
K1
Db0
K5
Ab8
K7
Ab7
M1
Ab6
M2
Ab5
N2
Ab4
N1
Ab3
L5
Ab2
P1
Ab1
K6
Ab0
L3
I|o
L2
Rwn
R3
Resetn_csp
E6
Octl0
C5
Octl1
F5
Octl2
E5
Octl3
A4
Octl4
G6
Octl5
B3
Octl6
A3
Octl7
B1
Serle1
A2
Serle2
C1
Serda
C2
Serck
C
P
F
X
T
A
7
9
E
D
0
3
4
C
C
C
F
P
A
A
V
0
0
8
7
9
1
J
J
J
J
4
5
6
7
1
1
1
1
S
S
S
S
D
D
D
D
N
N
N
N
G
G
G
G
1
2
P
F
F
I
E
E
X
R
R
T
X
A
A
R
R
R
6
5
7
6
B
B
D
D
P
I
X
T
R
0
7
8
9
1
7
8
9
6
7
8
1
9
F
H
H
H
1
2
3
1
1
1
S
S
S
D
D
D
N
N
N
G
G
G
P
N
N
Q
Q
I
X
X
X
T
T
T
X
X
X
R
R
R
7
6
C
C
P
N
N
I
Q
Q
X
X
X
T
T
T
R
R
R
F
G
F
F
G
G
G
H
2
0
4
5
7
6
3
8
9
1
S
S
S
S
S
S
S
S
S
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
G
N
P
N
P
P
N
T
T
A
B
N
A
B
P
U
U
T
T
T
T
N
N
I
I
O
O
U
U
U
U
C
C
C
C
I
I
I
I
O
O
O
O
A
A
A
A
M
M
M
M
5
4
2
2
1
2
4
5
5
1
1
1
1
1
1
1
1
1
P
P
P
N
R
N
N
M
M
P
P
P
P
N
N
N
N
T
T
B
A
N
B
A
N
I
I
T
T
U
T
T
U
C
C
I
U
U
I
U
U
O
O
O
O
C
M
O
O
M
C
I
I
A
A
A
A
M
M
0
3
1
D
1
S
D
N
G
1
3
1
1
5
1
6
4
4
C
B
3
L
C
T
D
C
A
O
_
_
X
D
U
N
A
G
4
2
6
1
1
6
L
P
L
V
T
D
C
N
O
G
_
D
D
V
4
N
A
J
G
K
P
R
F
M
1
2
4
3
V
D
B
B
D
S
S
S
S
D
D
D
D
D
S
S
S
S
D
D
D
N
N
V
V
V
V
V
V
V
G
G
U401
4
N
P
T
T
P
N
U
U
P
M
N
N
I
O
I
O
G
C
X
X
X
X
E
V
U
U
U
U
X
R
V
A
A
V
A
A
3
3
4
3
3
4
1
1
1
1
1
1
L
L
R
R
K
M
1
3
4
C
P
P
N
N
T
T
N
N
I
I
U
U
X
X
O
O
U
U
X
X
A
A
U
U
A
A
X
K
U
Q
L
A
A
N
C
K
I
_
O
N
N
G
_
C
D
C
D
R
E
I
I
I
I
E
C
D
C
T
A
A
A
A
O
R
A
X
V
R
M
D
D
D
D
5
1
4
6
4
6
6
4
P
L
P
D
N
R
R
M
K
C
Q
2
A
M
3
_
N
K
E
M
L
3
O
C
1
X
K
L
C
3
5
0
5
1
3
5
1
1
1
1
6
8
1
3
N
B
B
F
C
J
M
K
N
E
7
2
1
O
O
I
I
_
_
D
D
D
D
V
V
R
T
N
I
D
3
P
T
N
I
_
P
S
D
5
1
2
3
1
2
R
Q
6
D
D
D
D
C
C
U
D
D
Vdd34
S
S
D
D
D
D
C
N
D
P
P
V
V
V
V
H
G
_
Vdd12
_
V
_
D
D
D
N
N
N
G
G
G
Up_clk
Up_rst
Up_io
Sim_io
Sim_rst
Sim_clk
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
Csn_psc
Sclk_psc
Sdo_psc
Sdi_psc
Vext
Vbat
Ch_bdrv
Ch_isen
Ch_res
Adc_aux2
Adc_aux1
Vref
N
Cref
N
E
P
F
2
1
_
E
U
Rtc_almn
O
G
E
W
W
B
_
N
S
S
K
_
T
Q
_
_
_
E
1
R
E
_
R
R
R
R
D
S
W
T
B
O
E
W
W
I
S
W
N
I
P
P
V
P
R
P
M
0
4
9
5
9
7
9
0
1
1
1
1
L
L
K
M
L
C
C
N
Vbat
F
N
N
U
O
O
B
_
_
_
R
G
I
1
J
W
W
P
S
P
C408
C11
J13
N9
R10
P10
J11
K11
K14
K12
H11
G12
G13
F13
F15
C12
A14
C9
D10
B10
B11
A12
B12
A13
J12
G11
F14
K8
L8
N7
M7
Vbat
E14
E13
E11
F12
D14
D15
E10
A10
E9
H10
C428
R426
Up_cs
Up_sclk
Up_sdo
Up_sdi
C438
Intrq
Pwr_keep
Rst
R408
Simclk
Simrst
Simdata
Sim_io
Sim_rst
Sim_clk
Vsim
Key_bl1
Dcs_tx_en
Gsm_tx_en
Vccb_2.8
R407
Ichrg
Bp_vf
Rtcalarm
Vcca_2.8
Vccd_1.8_psc
Vccb_2.8
C415
C416 C421
C417
Agnd
Th400
C427
R410
R409
C418
Vrf_2.9
Vccb_2.8
C419
Vccd_2.8
C426
Vccd_1.5_psc
C420
C422
Vrtc_1.5
R402
1
M400
2
AFC
SI_13M
R111
C134
1
VCON
2
GND
OSC100
VCC
OUT
VRF_2.9
4
3
C135
R110
10
2-2
C131
C133
R113
R114
R112
CLK13M_RF
C136
CLK13M_MC
C140
CLK13M_TR
C141
CLK13M_YMU
2-1-2. Initial
SGH-E860V Flow Chart of Troubleshooting
Initial Failure
The voltage at the C417=1.8V?
The voltage at the C420=2.8V?
Yes
ThevoltageattheV509
"Low -->High"?
Yes
There is 32.768KHz wave
form at the C214, C215?
Yes
The voltage on R210 is
"Low-->High"?
Yes
No
No
No
No
Check the U401
(If it has some problem,
it has to be replaced
Check the U401
(If it has some problem,
it has to be replaced )
Check the U200
Check the U200
The voltage is 2.8V
at the C416,C419,C420?
Yes
LCD Display OK ?
Yes
Sound operation OK?
Yes
END
No
2-3
No
No
Check the U401
Check the LCD part
Check the Audio part
SGH-E860V Flow Chart of Troubleshooting
1
2
5
2
3
4
2-4
SGH-E860V Flow Chart of Troubleshooting
A(1:24)
D(0:15)
CP_WEN
CP_OEN
FLASH_RESET
ROM1_CS
ONENAND_CS
RAM1_CS
LCDC_CS
YMU_CS
LOWER_BYTE
UPPER_BYTE
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)
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)
SIMCLK
SIMDATA
SIMRST
USB_SUSP
USB_VPI
USB_VMI
USB_VPO
USB_VMO
USB_OEN
USB_DATA
UP_SCLK
UP_SDO
UP_SDI
UP_CS
DEBUG_RTS
DEBUG_TXD
DEBUG_RXD
DEBUG_CTS
IRDA_TX
IRDA_RX
SDS_TXD
SDS_RXD
KEY_COL(0:4)
PSW1_BUF
KEY_ROW(0:4)
VCCD_1.6
C202
C201
2
1
0
1
8
7
1
1
1
1
9
8
1
1
1
F
1
2
F
1
2
U
U
_
C
C
_
A
N
N
A
S
D
S
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_D13
A_D14
A_D15
A_WEN
A_OEN
PIO30_WAITN
FLASHRSTN
A_CS0N
A_CS1N
A_CS2N
A_CS3N
A_CS4N
A_CS5N
A_CS6N
P
S
A_CS7N
U
T
S
S
A_BE0N
_
R
B
A_BE1N
M
S
I
S
U
K
_
_
L
4
7
O
I
C
1
0
O
M
O
M
I
I
I
I
P
S
P
S
5
2
4
9
1
T
P
P
B
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
D
V
V
I
I
P
M
V
V
_
_
B
B
S
S
U
U
_
_
9
1
0
1
O
O
I
I
P
P
9
8
1
1
C
C
B7
A(0)
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
7
8
1
R
M
M
M
M
L
L
M
T
7
8
6
4
3
5
D
_
A
S
S
V
7
1
D
2
D
1
1
1
1
1
1
1
_
S
S
S
S
S
S
S
A
S
S
S
S
S
S
S
D
V
V
V
V
V
V
V
D
V
A
O
N
T
O
E
A
M
P
V
V
O
D
D
_
_
_
_
S
B
B
B
B
2
1
I
S
S
S
S
0
_
0
U
U
0
U
U
0
O
I
_
_
_
_
D
K
D
0
P
3
2
6
7
L
X
X
S
_
1
1
3
3
C
R
T
F
O
O
O
O
O
I
I
I
P
I
I
P
P
P
P
P
S
P
P
S
S
R
S
6
3
7
2
3
4
6
3
1
1
1
T
P
R
R
U
F
E
E
C204
C203
2
1
0
8
8
8
2
1
8
1
H
J
K
9
1
0
1
1
S
S
S
S
S
S
V
V
V
3
2
9
8
2
2
1
1
9
8
1
1
1
1
7
A
H
H
H
H
A
G
G
G
H
M
V
V
N
1
8
7
6
5
4
3
2
3
4
8
5
7
6
S
S
S
S
S
S
S
S
E
E
E
E
E
E
S
S
S
S
S
S
S
S
R
R
R
R
R
R
V
V
V
V
V
V
V
V
O
O
O
O
O
O
C
C
C
C
C
C
_
_
_
_
_
_
D
D
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
V
U200
F
U
B
_
1
W
X
X
T
4
2
3
4
9
A
4
0
0
0
2
8
D
2
O
O
O
O
O
I
I
I
I
I
R
Q
I
P
P
P
P
P
_
R
_
_
_
_
_
I
1
0
0
0
0
0
_
4
D
R
0
R
S
S
0
O
T
S
C
T
T
X
I
X
P
D
D
D
R
C
R
T
7
6
4
2
5
2
6
1
3
1
1
P
N
N
N
M
M
M
R
R
S
R
P
_
A
8
5
D
2
4
3
2
1
0
D
R
D
D
D
D
Q
D
I
R
_
R
R
R
R
R
R
I
B
2
B
B
B
B
B
_
Y
4
Y
Y
Y
1
Y
Y
1
E
O
E
E
E
X
E
E
I
X
K
K
K
K
R
K
P
T
K
8
4
5
6
7
6
6
7
J
J
J
J
J
L
H
K
VCCD_1.8
C200
8
2
3
1
8
B
B
2
1
E
E
R
R
O
O
C
C
_
_
D
D
D
D
V
V
6
D
R
B
Y
E
K
4
1
H
H
6
8
1
8
1
5
1
1
1
1
W
U
U
W
U
T
P
L
6
8
5
7
1
4
3
2
1
1
1
1
1
1
1
1
_
_
_
_
_
_
_
_
8
8
8
8
8
8
8
8
P
P
P
P
P
P
P
P
1
1
1
1
1
1
1
1
_
_
_
_
_
_
_
_
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
_
_
_
_
_
_
_
_
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
V
V
V
1
0
D
T
T
K
L
M
A
A
C
C
D
D
_
_
_
_
1
I
I
I
I
0
1
8
7
C
C
C
1
C
9
D
D
D
D
D
M
M
M
M
R
_
_
_
_
R
R
R
R
B
8
8
2
1
B
B
B
B
Y
3
0
2
2
Y
Y
Y
Y
E
O
O
O
O
E
E
E
E
I
I
I
I
K
K
K
P
P
P
K
P
K
5
3
3
2
4
3
3
6
2
1
1
1
1
1
H
G
G
H
J
J
L
L
K
VRTC_1.5
N
M
R
A
L
A
C
T
R
6
B
2
_
8
P
1
_
O
I
_
D
D
V
6
1
G
4
B
1
_
8
P
1
_
O
I
_
D
D
V
P
E
E
K
R
T
W
U
P
O
_
2
9
3
1
C
O
S
I
P
O
5
1
P
2
8
5
1
1
1
G
G
W
I
C
N
K
T
T
C
S
R
E
V
R
Q
E
R
K
L
6
C
4
S
O
I
Y
P
S
_
_
1
0
2
M
O
I
W
P
P
9
7
5
1
1
G
P
V
C208
R210
4
2
1
1
R
W
S
N
T
M
S
T
R
T
CKO_IACK
IOBIT1_PIO06
IOBIT0_PIO05
SPFS1_PIO15
SPTXD1_I2SD_PIO16
SPRXD1_PIO17
SPCLK1_PIO18
CPTSTSTOP_CKO
ATDO_PWM2
ATDI_RTS1
ATCK_CTS1
ATMS_PIO45
PIO31_IRQ6
PIO00_IRQ5
0
8
7
6
2
5
1
2
2
2
3
2
O
O
O
O
O
O
I
I
I
I
I
I
P
P
P
P
P
P
9
7
9
6
3
1
1
1
1
1
V
U
U
R
W
OSC200
2
D_D15
D_D14
D_D13
D_D12
D_D11
D_D10
TEST3
TEST2
TEST1
CLK13M_TR
RST
T12
TDO
V14
TDI
U14
TCK
R211
N12
N11
V12
N15
N16
M17
M18
T15
INT0
W6
IO
V6
RWN
DSP_DB(15)
P11
DSP_DB(14)
N10
DSP_DB(13)
N9
DSP_DB(12)
N8
DSP_DB(11)
P9
DSP_DB(10)
P8
R9
DSP_DB(9)
D_D9
DSP_DB(8)
T9
D_D8
T8
DSP_DB(7)
D_D7
DSP_DB(6)
U8
D_D6
V8
DSP_DB(5)
D_D5
DSP_DB(4)
R8
D_D4
DSP_DB(3)
T7
D_D3
DSP_DB(2)
R7
D_D2
DSP_DB(1)
T6
D_D1
DSP_DB(0)
U6
D_D0
R6
D_A8
N6
D_A7
V4
D_A6
T5
D_A5
U4
D_A4
V3
D_A3
W3
D_A2
W2
D_A1
V1
D_A0A_D12
V16
T14
U15
T17
T13
L5
M4
K12
P12
P16
P18
IRQ4
P17
IRQ3
M19
IRQ2
M16
IRQ1
J16
PIO47
R14
PIO34
U18
PIO33
MIC_SEL
EAR_SWITCH
IRDA_EN
VCAM_EN
CHG_DET
SVC_WHITE
BACKLIGHT_EN
XOENAQ
PWR_KEEP
CLK32K
RTCALARM
DSP_TMS
DSP_TDO
DSP_TDI
DSP_TCK
LED_DATA
VDD_AC_ON
PCM_SYNC
PCM_IN
PCM_OUT
PCM_CLK
DSP_INT
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)
R212
CP_TDO
CP_TDI
CP_TCK
CP_TMS
NAND_INT
HALL_SENSOR
LCDC_INT
YMU_IRQ
JACK_INT
INTRQ
M_HOLD
USB_CON
AMP_SHDN
DSP_DB(0:15)
DSP_AB(0:8)
C206C205
C207
8
4
6
2
1
9
1
1
1
1
1
4
D
D
C
L
B
C
B
F
8
7
6
5
4
0
3
9
_
_
_
_
_
1
_
_
8
8
8
8
8
_
8
8
8
P
P
P
P
P
P
P
1
1
1
1
P
1
1
1
_
_
_
_
1
_
_
_
_
O
O
O
O
O
O
O
I
I
I
I
I
I
I
O
_
_
_
_
I
_
_
_
_
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
V
V
V
N
N
N
E
E
E
_
_
_
0
3
2
D
T
T
T
T
A
M
A
A
A
D
C
D
D
D
_
_
_
_
_
I
I
I
I
I
C
C
C
C
C
M
M
M
M
M
_
_
_
_
_
C
C
0
9
4
3
3
T
T
4
3
2
2
4
R
R
O
O
O
O
O
I
I
I
I
I
2
1
P
P
P
P
P
X
X
4
4
9
5
4
7
9
1
1
1
1
1
1
1
L
L
F
H
N
H
M
1
C215
C214
AUDIO_OUT_SEL
TV_EN
P_MODE
FLASH_EN
CHG_ON
EAR_OUT_SEL
VBT_EN
SPK_PHONE_EN
2-5
SGH-E860V Flow Chart of Troubleshooting
2-1-3. Sim Part
"Insert SIM" is displayed on the LCD
The voltage is 2.8V
at the pin#1 of CN400
Yes
Is there any signal
pin #2,3,4 of CN400?
Yes
Check the SIM Card
END
No
No
Check the U401
Check the U401 & U200
Cn400
Vsim
Sim_rst
Sim_clk Sim_io
C405
C407
C406C404
2-6
11
22
33
9GG10
6
6
5
5
4
4
7GG8
C409
2-1-4.Microphone Part
* Call with Sim before testing.
MicroPhone does not work
Yes
SGH-E860V Flow Chart of Troubleshooting
Check the soldered
status of microphone
Yes
Check the reference
voltage on mic path
C360≒2.0V
Yes
Is microphone OK?
Yes
END
No
No
No
Resolder microphone
Resolder or change
C360, C361, R349, R328, R329
Check U401
2
2-7
SGH-E860V Flow Chart of Troubleshooting
MICINP
MICOUTP
MICOUTN
R324
R326
R323
R325
AGND
VCCA_2.8
C360
C332
C334
R349
C361
R328
MAIN_MIC_P
MAIN_MIC_MMICINN
MIC+
MIC-
C339
AGND AGND
C340
C333
C335
AGND
R329
AGND
MIC300
C336
AGND
2-8
V300
V307
2-1-5.Bluetooth Part
*
When you play MPEG file, if Audio is not active
Bluetooth does not work
Yes
SGH-E860V Flow Chart of Troubleshooting
Check C123 = 1.8V?
Yes
Check pin22 of U102
≥
1.5 dbm ?
Yes
Change CN101
No
No
Resolder U103
Resolder U102
1
2
2-9
SGH-E860V Flow Chart of Troubleshooting
VBT_1.8
CN101
DEBUG_CTS
DEBUG_RTS
DEBUG_TXD
DEBUG_RXD
C124
C130
C128
R107
8
RESETB
26
UART_CTS
14
UART_RTS
17
UART_RX
2
UART_TX20PCM_SYNC
21
VDD_1.8V
18
VDD_REG
11
VDD_UART
5
GND
12
GND
19
GND
23
GND
24
GND
VBAT
U102
PCM_CLK
PCM_IN
PCM_OUT
PIO_0
PIO_1
PIO_2
PIO_3
PIO_4_UART_TX2
PIO_5_UART_RTS2
PIO_6_UART_CTS2
PIO_7_UART_RX2
132
22
ANT
16
13
9
1
25
3
4
7
6
10
15
U103
PCM_CLK
PCM_IN
PCM_OUT
PCM_SYNC
VBT_1.8
VBT_EN
R109
C126
51
STBY
2
GND
34
VIN
NC
VOUT
GND
6
2-10
C123
2-1-6. Speaker Part
There is no sound from speaker
SGH-E860V Flow Chart of Troubleshooting
Check the connection
status of speaker module
to CN103(LCD PCB)
Yes
Are there any signal at
the C148,C149?
(LCD PCB)
Yes
Are there any signal at
C157,C158?(LCD PCB)
No
Are there any signal at
R350, R351?
No
No
Thetypeofsoundfromthe
speaker is Melody?
Yes
Check
U104
U110
Yes
Check
U302
Yes
Check
U108
U110
Yes
Main FPCB
connection
No
Yes
Check
status
reconnect speaker module to CN103
Replace the speaker module
No
Are there any signal at
C126,C127?(LCD PCB)
No
Are there any signal at
C502, C506?
No
Check U401
END
2-11
SGH-E860V Flow Chart of Troubleshooting
1
2
LCD PCB
3
4
5
2-12
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