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

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1. SGH-X660 Specification
1-1
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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 -

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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

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2. SGH-X660 Flow Chart of Troubleshooting
2-1
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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

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SGH-X660 Flow Chart of Troubleshooting
2-2
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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

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SGH-X660 Flow Chart of Troubleshooting
2-3
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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

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SGH-X660 Flow Chart of Troubleshooting
2-4
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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

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SGH-X660 Flow Chart of Troubleshooting
2-5
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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

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SGH-X660 Flow Chart of Troubleshooting
2-6
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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

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SGH-X660 Flow Chart of Troubleshooting
2-7
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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

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SGH-X660 Flow Chart of Troubleshooting
2-8
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12

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SGH-X660 Flow Chart of Troubleshooting
2-9
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3

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SGH-X660 Flow Chart of Troubleshooting
2-10
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2-1-4. Microphone Part
The assembled status of
microphone is O.K
Microphone does not work
Reassembled the microphone
Resolder or change
R410, R411, R412, R413, R414, R415, R416,
R417, R418, R424, C418, C421
END
No
Yes
Yes
Yes
Yes
No
The microphone is O.K No Check U102
Check the reference voltage on mic path
The Voltage @ C420 is
about 2.0V
Yes
1

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SGH-X660 Flow Chart of Troubleshooting
2-11
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1
1
R416
MIC401
C440
C441
C439
R430
AGND
R414
AGND
R412
C422
R415
R424
C423
C419
C421
R418
R419
R423
C418
R417
R411
C420
R410
R413
R427
MIC1N
MIC1P
VCCA_2.9
MICINP
MICOUTP
MICINN
MICOUTN
VREGP
VREGN

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SGH-X660 Flow Chart of Troubleshooting
2-12
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2-1-5. Speaker Part
4
There is no sound from the Speaker
The terminal of Speaker is
O.K
No Replace the Speaker
Yes
There is any signal @ the
C505,C506
Yes
No
Check LCD or Replace HDC501
Thetypeofsound
from the Speaker is
Melody
There is any signal
@ C403, C404
There is any signal
@ R439, R440
Yes No
The pin#4 of
U401 is "High"
Check the
U402, U403
Check the
U102
Yes Yes
No
No
Check the UCP201
Check the U403
Yes
No
END
1
3
2

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SGH-X660 Flow Chart of Troubleshooting
2-13
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2
1
R402
10
VSS
2
VIM
3
VIP
VOM 12
VOP 9
VREF
1
S
S
V
56
S
S
V
11
VSS
18 NC
NC19
7
D
D
V
D
D
V
8
13
D
D
V
14
D
D
V
D
D
V
15
D
D
V
16
U401
EN
4
D
N
G
17
C404
C406
VBAT
C408
C403
C407
R403
AMP_EN
AMP_IN_N
AMP_IN_P
AMP_OUT_N
AMP_OUT_P
CODEC_3.3V
L401
C412
C410
R405
VCCD_1.8
R407
C405
C415C414
31
21
VMID
20
VREF
NC4
38
37 NC5
3
T
U
O
119
D
N
G
L
L
P
12
1
T
U
O
R
2
T
U
O
R
15
32
K
L
C
S
N
I
D
S
1
T
U
O
L
16
2
T
U
O
L
1MCLK
29
E
D
O
M
+
N
I
O
N
O
M
26 25
-
N
I
O
N
O
M
T
U
O
O
N
O
M
10
22
NC2
24
NC3
3435
D
N
G
GND
36
23
HPDETECT
D
N
G
P
H
14
17
HPVDD
28
L
N
I
E
N
I
L
R
N
I
E
N
I
L
27
13
8
B
S
C
30
DACDAT
6
7DACLRC
3DBVDD
2DCVDD
4DGND
33
D
N
G
D
N
G
U402
19
AGND
18
AVDD
5BCLK
CLKOUT
C402
R409
R401
R406
VCCD_1.8
C409C413
B
S
C
_
M
W
WM_LRC
WM_DACDAT
P
_
T
U
O
_
M
W
N
_
T
U
O
_
M
W
N
I
D
S
_
M
W
K
L
C
S
_
M
W
CLK13M_WM
WM_BCLK

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SGH-X660 Flow Chart of Troubleshooting
2-14
This Document can not be used without Samsung's authorization
3
4
5
4
4
R
R444
CODEC_3.3V
C401
C438
D
N
G
6
D
N
G
17
21 NC
NC
22
+
V
14
7
1
S
3
3S2 9
4S1 11
2
S
4
1316
1
D
D2
4
8
3
D
12
D4
1-2IN
2
1
S
1
15
1S2
1
32S1
2
S
2
5
10
3-4IN
U403
C417
R439
R440
AOUTBN
AMP_IN_SEL
AMP_OUT_P
AMP_OUT_N
SPK1N
AOUTAN
WM_OUT_N
WM_OUT_P
AMP_IN_N
P
B
T
U
O
A
P
_
N
I
_
P
M
A
SPK_OUT_SEL
P
1
K
P
S
AOUTAP

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SGH-X660 Flow Chart of Troubleshooting
2-15
This Document can not be used without Samsung's authorization
2-1-6. Camera Part
"Camera" function dose not work
Yes
Check the connect
HDC501
Yes
The pin#1 of U303 is High
&
The pin#3 of U303 is 2.8V
Yes
There is clock signal @
the pin#40 of HDC501
Connect the camera module
Check U302, U303
No
No
No
END
The freq @ the pin#1, 3
of OSC301 is 24MHz Replace OSC301
Check U302, U304
No
The pin #28 of
HDC501 is "high" No
Yes
Yes
Yes
2
1
3
C315
R306
CAM_2.8
C313
CE
1
GND
2
VDD 4
3
VOUT
U303
VBAT
CAMPWR_EN
1

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SGH-X660 Flow Chart of Troubleshooting
2-16
This Document can not be used without Samsung's authorization
2
3
3
3

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SGH-X660 Flow Chart of Troubleshooting
2-17
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U701 CHECK
pin#12 ≥-65dBm
2-2.RF
2-2-1. EGSM RX
CONTINUOUS RX ON
RF INPUT : 62CH
AMP : -50dBm
NORMAL CONDITION
catch the channel
Check soldered status of
L711, C732, Ant.
U702
pin #12, #13 = 2.9V
U701 CHECK
pin#16 ≥-65dBm
U702 CHECK
pin#21,#22 ≥-65dBm
RFS701, L708, L709, C704
resolder or change
U701
resolder or change
C701, C702, C703, F701
resolder or change
Check the VRF_2.9
of the U102
OSC701 CHECK
pin #1 : 26MHz &
Vp-p : 900mV
OSC701
change or resolder
U702
resolder or change
U102 CHECK!!
U702
pin#1,#2,#3,#28
Vp-p = 100mV
NO
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
1
2
3
4
5
6
7