Samsung SHG-x660 User manual

GSM TELEPHONE
SGH-X660
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

SAMSUNG Proprietary-Contents may change without notice
1. SGH-X660 Specification
1-1
This Document can not be used without Samsung's authorization
1-1. GSM General Specification
GSM900
Phase 1
EGSM 900
Phase 2
DCS1800
Phase 1 PCS1900
Freq. Band[MHz]
Uplink/Downlink
890~915
935~960
880~915
925~960
1710~1785
1805~1880
1850~1910
1930~1990
ARFCN range 1~124 0~124 &
975~1023 512~885 512~810
Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz
Mod. Bit rate/
Bit Period
270.833kbps
3.692us
270.833kbps
3.692us
270.833kbps
3.692us
270.833kbps
3.692us
Time Slot
Period/Frame
Period
576.9us
4.615ms
576.9us
4.615ms
576.9us
4.615ms
576.9us
4.615ms
Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK
MS Power 33dBm~5dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
Power Class 5pcl ~ 19pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl
Sensitivity -102dBm -102dBm -100dBm -100dBm
TDMA Mux 8 8 8 8
Cell Radius 35Km 35Km 2Km -

SAMSUNG Proprietary-Contents may change without notice
SGH-X660 Specification
1-2
This Document can not be used without Samsung's authorization
1-2. GSM TX power class
TX Power
control level GSM900
533±2dBm
631±2dBm
729±2dBm
827±2dBm
925±2dBm
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
TX Power
control level DCS1800
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±4 dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm
TX Power
control level PCS1900
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±4 dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm

SAMSUNG Proprietary-Contents may change without notice
2. SGH-X660 Flow Chart of Troubleshooting
2-1
This Document can not be used without Samsung's authorization
2-1.Baseband
2-1-1. Power ON
'Power On' does not work
Check the Vbat
Voltage >=3.4V
Download again
Charge the Battery
VCCD_2.9 of U102
>=2.9V
Check U105
There is 26MHz wave
form at the OSC701
pin#1,3
Check the clock generation
circuit(related to OSC701)
Check the initial operation
END
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Check the pin of U102
Checktheclocksignalatpin#3ofOSC701
Check the Current
consumption
>= 100mA
VRF_2.9, VCCA_2.9
of U102 >= 2.9V
VCCD_1.6 of U105
>=1.6V
No
Check U102
Check U102
1
2
1
3

SAMSUNG Proprietary-Contents may change without notice
SGH-X660 Flow Chart of Troubleshooting
2-2
This Document can not be used without Samsung's authorization
1
VBAT
C126
VBAT
C118C120 C117
VCCD_1.8
C122 C119
VRF_2.9 VCCD_2.9VCCA_2.9
VCCB_2.9
C121
VCCB_2.9
VREF A10
N
G
E
R
V
4
1
R
P
G
E
R
V
3
1
M
VRTC H11
M
C
V
X
V
3
1
R
Q
A
N
E
O
X
1
D
A12
VL4S_B B11
VL5S_A D10
C9
VL5S_B
VLDO_1 G11
J12
VLDO_2
VLDO_3 A13
VLDO_4 B12
VLDO_5 B10
VLDO_6 A14
VLDO_7 C12
E14
VEXT
VIB_DRV F15
N
E
_
G
N
R
_
B
I
V
9
L
VL4S_A
VACC F14
VBAT E13
L8
M7
SDI_PSC
SDO_PSC N7
9
KO
_
T
E
S
E
R
RING_DRV F13
RTC_ALMN H10
K
L
C
_
C
T
R
4
N
6
CN
Q
X
T
X
R
SCLK_PSC
F
U
B
_
1
W
S
P
7
L
P
E
E
K
_
R
W
P
9
M
N
1
W
S
_
R
W
P
5
1
C
2
W
S
_
R
W
P
4
1
C
C
M
6
R
N
N
I
C
I
M
4
1
M
P
N
I
C
I
M
4
1
N
N
T
U
O
C
I
M
5
1
P
P
T
U
O
C
I
M
5
1
N
E
D
O
M
0
1
N
Q
R
T
N
I
0
1
L
LED1_DRV G13
LED2_DRV G12
R
T
N
I
D
3
P
CH_RES D14
E9
CREF
K8
CSN_PSC
K
C
I
A
D
4
R
I
D
I
A
D
6
L
O
D
I
A
D
6
M
N
R
I
A
D
4
P
N
A
T
U
O
A
2
1
N
P
A
T
U
O
A
1
1
P
N
B
T
U
O
A
2
1
P
P
B
T
U
O
A
2
1
R
N
N
I
X
U
A
4
1
L
P
N
I
X
U
A
5
1
M
N
T
U
O
X
U
A
3
1
L
3
1
KP
T
U
O
X
U
A
CH_BDRV E11
CH_ISEN F12
ADC_AUX1 E10
ADC_AUX2 D15
4
X
U
A
_
C
D
A
5
P
U102
C123
R112
AGND
R111
R108
R107
10K,1%
R109
VCCB_2.9
C124 R110
C113
R101
TH101
C105
R117
RTCALARM
UP_SDI
UP_SDO
UP_SCLK
UP_CS
BAND_SEL1
BAND_SEL2
KEY_BACKLIGHT
TP101
T
N
I
_
P
S
D
C
M
_
M
3
1
K
L
C
K
2
3
K
L
C
P
N
I
X
U
A
N
N
I
C
I
M
P
N
I
C
I
M
N
T
U
O
C
I
M
N
B
T
U
O
A
P
T
U
O
C
I
M
P
B
T
U
O
A
N
A
T
U
O
A
P
T
U
O
X
U
A
P
A
T
U
O
A
ICHRG
N
N
I
X
U
A
N
T
U
O
X
U
A
N
G
E
R
V
P
G
E
R
V
F
U
B
_
1
W
S
P
Q
A
N
E
O
X
BP_VF
INTRQ
PWR_KEEP
RST
N
O
_
R
W
P
N
O
_
G
I
J
VEXT

SAMSUNG Proprietary-Contents may change without notice
SGH-X660 Flow Chart of Troubleshooting
2-3
This Document can not be used without Samsung's authorization
2
3
2
43
1
OSC701
1
L
A
T
X
31
2
L
A
T
X
30
2_SEN
28
D
D
V
29
D
D
V
32
N
E
X
1SCLK
3SDIO
33
D
N
G
C
N
3435
C
N
U702
BIN
6
7BIP
4BQN
5BQP
C722
XOENA
SERLE
RTX_IN
RTX_IP
RTX_QN
RTX_QP
SERCLK
SERDAT
C129C130
C128
L101
VCCD_2.9 VCCD_1.6VBAT
3EN 4
FB
GND
2
5
SW
1VIN
U105
R116

SAMSUNG Proprietary-Contents may change without notice
SGH-X660 Flow Chart of Troubleshooting
2-4
This Document can not be used without Samsung's authorization
2-1-2. Initial
Initial Failure
Yes
IS the pin #K9 of U102
"Low →High" ?
No Check the U102
(if it has some problem, it is to be replaced.)
There is 32.768kHz wave
form at the C220 & C221
Yes
No Check the OSC202
There is 24MHz wave form
at the OSC301 pin#1,3 Check the OSC301
LCD display is O.K
No
Yes
Yes
Check the LCD part
No
Sound operation O.K
Yes
No Check the Audio part
END
Yes
1
2
3

SAMSUNG Proprietary-Contents may change without notice
SGH-X660 Flow Chart of Troubleshooting
2-5
This Document can not be used without Samsung's authorization
1
VBAT
VREF A10
Q
A
N
E
O
X
1
D
N
E
_
G
N
R
_
B
I
V
9
L
9
KO
_
T
E
S
E
R
RTC_ALMN H10
K
L
C
_
C
T
R
4
N
F
U
B
_
1
W
S
P
7
L
P
E
E
K
_
R
W
P
9
M
N
1
W
S
_
R
W
P
5
1
C
2
W
S
_
R
W
P
4
1
C
C
M
6
R
E
D
O
M
0
1
N
Q
R
T
N
I
0
1
L
R
T
N
I
D
3
P
E9
CREF
ADC_AUX1 E10
ADC_AUX2 D15
4
X
U
A
_
C
D
A
5
P
U102
R112
R111
R108
C124 R110
RTCALARM
T
N
I
_
P
S
D
C
M
_
M
3
1
K
L
C
K
2
3
K
L
C
F
U
B
_
1
W
S
P
Q
A
N
E
O
X
INTRQ
PWR_KEEP
RST
N
O
_
R
W
P
N
O
_
G
I
J

SAMSUNG Proprietary-Contents may change without notice
SGH-X660 Flow Chart of Troubleshooting
2-6
This Document can not be used without Samsung's authorization
2
3
R303
R304
C311
C316
3
HOT
OSC301
2
GND1
GND2
4
HOT
1
C
T
R
1
X
C
T
R
2
X
9
1
F
9
1
H
7
1
HN
M
R
A
L
A
C
T
R
N
E
_
D
M
C
_
I
C
M
_
9
3
O
I
P
4
1
L
4
1
MN
E
_
T
A
D
_
I
C
M
_
0
4
O
I
P
N
E
_
0
T
A
D
_
I
C
M
_
3
4
O
I
P
4
1
N
6
4
O
I
P
_
1
M
W
P
5
G
9
1
V
6
1
U6
2
O
I
P
9
1
U7
2
O
I
P
8
2
O
I
P
7
1
W
3
1
R2
3
O
I
P
0
1
O
I
P
P
E
E
K
R
W
P
_
9
1
O
I
P
5
1
P
9
1
PQ
E
R
K
L
C
S
Y
S
_
0
2
O
I
P
0
T
A
D
_
I
C
M
_
1
2
O
I
P
3
1
K
2
1
L1
T
A
D
_
I
C
M
_
2
2
O
I
P
2
T
A
D
_
I
C
M
_
3
2
O
I
P
3
1
L
5
1
L3
T
A
D
_
I
C
M
_
4
2
O
I
P
5
2
O
I
P
T
U
O
2
3
C
S
O
6
1
G
7
1
V
C221
OSC202
C220

SAMSUNG Proprietary-Contents may change without notice
SGH-X660 Flow Chart of Troubleshooting
2-7
This Document can not be used without Samsung's authorization
2-1-3. Sim Part
There is any signal
pin#2,#3,#4 of SIM101
"Insert SIM" is displayed on the LCD
Check the SIM
connector's (SIM101)
connection to SIM Card
check the U102 & UCP201
Resolder or change SIM101
END
No
Yes
Yes
Yes
No
Check the SIM Card
Check the voltage at
SIM101 pin #1 ≥2.8V Check the U102
No
1
2
3