Samsung SCH-X359 User manual

Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846
CDMATELEPHONECONTENTS
1.Specification
2.FlowChartofTroubleshooting
3.ExplodedViewsand PartsList
4.ElectricalPartsList
5.BlockDiagrams
6.PCB Diagrams
CDMATELEPHONE
SCH-X359
SERVICE
Manual
Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846

Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846
ThisServiceManual isa propertyofSamsung ElectronicsCo.,Ltd.
Anyunauthorized use ofManualcan bepunished underapplicable
Internationaland/ordomesticlaw.
ELECTRONICS
ⓒSamsung ElectronicsCo.,Ltd.AUG.2003
Printedin Korea.
CodeNo.:GH68-04299A
BASIC.
Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846

Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846
SAMSUNG Proprietary-Contents may change without notice
2. SCH-X359 Trouble Shooting
2-1
ThisDocumentcan notbe used withoutSamsung'sauthorization
1.LogicSection
1-1.NoPower
Press PWRbutton
No
Yes
END
CheckBattery,Q503 anditsneighboring
circuits
U300 Pin
2=2.8V?No
Yes
CheckU300 anditsneighboringcircuits
U300 Pin
1=2.8V?No
Yes
CheckU300 anditsneighboringcircuits
R346
=2.8V?No
Yes
CheckU300,U301,U302 andits
neighboringcircuits
"H"level
outputted from
Q307 Pin1?
Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846

Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846
SAMSUNG Proprietary-Contents may change without notice
SCH-X359 FlowChartofTroubleshooting and CircuitDiagrams
2-2
ThisDocumentcan notbe used withoutSamsung'sauthorization
2.8VA
47K
R324
C304
470PF
2.8V
2.8VB
R323
47K
R309
NC
C319
330NF
1NF
C307
EN
3
2GND
1IN 5
OUT
4
REF_BYP
U302
V_IN
6.3V
C306
10UF
1OUT5
REF_BYP 4
U301
3EN
GND
2
IN
R300 0
6.3V
10UF
C300
3.0VT
C318
1UF
C317
1NF
100NF
L300
C305
150K
R303
54 GND
SD1
2
3SD2
1VIN 8
VOUT1
7
VOUT2
U303
ERR1 6
ERR2
3.0VR
6.3V
10UF
C302
D300
3
12
1
_RESET
5
_SHDNBYP
4
3
GNDNC
6
8
VDET
VIN
7
VOUT
2
U300
6.3V
10UF
C316
2.8V
SLEEP_N
RESIN_N
IDLE_N
V_MOT
V_LED
MOT_CON
BACKLIGHT_LED
(Picture1)
(Picture2)
10V
10UF
C326
Q305
2
3
1
R344 1K
13
2
Q308
V_IN
Q306
2
3
1
100K
R348
680K
R347
12K
R334
ZD305
R336
47K
Q307 1
3
2
Q503
1
2
5
6
3G
S
4
S
100NF
C331 22K
R352
10K
R337
220K
R354
1ISENSE
PROG43 VCC
VSENSE
5
U305
DRIVE6
GND
2
1K
R346
12 56
4
Q304
3
R332
2.7K
1NF
C332
20K R385
R349
4.7K
R355
100K
2.8V
R338
20K
2.8V
R350
22K
C330
10UF
6.3V
R335
470K
TA+
ICHG
V_BATT
CHG_ON
TA+
TA_DET_N
PS_HOLD
HP_PWR
ON_SW_SENSE
V_BATT ON_SW
Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846

Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846
SAMSUNG Proprietary-Contents may change without notice
SCH-X359 FlowChartofTroubleshooting and CircuitDiagrams
2-3
ThisDocumentcan notbe used withoutSamsung'sauthorization
1-2.Abnormal initialoperation (Normal+2.8Vvoltage source)
Press PWRbutton
CheckVCTCXO Output.
No
Yes
Yes
END
No
PCMCLKapplied to
U200 pin2?
Yes
RAM_CSsignalouputted
fromU201 PinJ2?No
Yes
CHIPX8CLKsignal
ouputted fromU202 Pin
A14?
No
No
LEDon?
Yes
ChecktheLEDandits
neighboringcircuits.
Replaceifrequired
No
Normalinitialdisplay
onLCD?
Yes
ChecktheLCD pinsandits
neighboringcircuits.
Replaceifrequired
CheckU200 anditsneighboringcircuits.
Replaceifrequired.
CheckMSMboardU202
CheckMSMboardU202
TCXOCLKsignal
applied outputted from
U200 pin4?
Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846

Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846
SAMSUNG Proprietary-Contents may change without notice
SCH-X359 FlowChartofTroubleshooting and CircuitDiagrams
2-4
ThisDocumentcan notbe used withoutSamsung'sauthorization
47PFC213
C211
100NF
100K
R213
2.8TCXO
VCC 5
U200
3GND
IN
2
NC
1
4
OUT
PCM_CLK
TCXO
(Picture1)
10NF
C220
J5
J6
VCCS
G3
VSS1
VSS2J9
WE# C6
WP#/ACC
C5
NC
NC
C1
NC
F1
F10
NC
H3 OE#
D5 RESET#
RY/BY#E5
D4 UB#
VCCF
NC
NC G8
A10 NC
1
NC
NC 2
NC
B1
B5 NC
NC
B6
B10
G1
G10
NC L1
NC
NC L5
L6
NC
NC L10
NC M1
M10
NC K6
DQ4
DQ5K7
DQ6G7
J8
DQ7
DQ8K3
H4
DQ9
C4 LB#
NC
A1
NC
J4
K5
DQ11
DQ12J7
H7
DQ13
DQ14K8
H8
DQ15/A-1
K4
DQ2
DQ3H5
H6
A9
H2 CE#F1
CE1#S
J2
F9 CE2#F
D6
CE2S
H9
CIOF
J3
DQ0
DQ1G4
DQ10
E6
E9 A21
D2 A3
A4
F3
A5
E3
D3 A6
C3 A7
A8
C7
E7
A13
F8 A14
D9 A15
A16
G9
F4 A17
A18
E4
D7 A19
A2
E2
A20
U201
A0
G2
F2 A1
A10
F7
C8 A11
D8 A12
E8
10KR222
T1
10KR211
100PF
C209
2.8V
T4
47K
R221
100NF
C210
10KR210
T2
100KR209
T3
RESIN_N
2.8V
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
LWR_N
ROM_CS2_N
WP
RD_N
D(0:15)
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(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)
ROM_CS1_N
A(0)
RAM_CS1_N
LB_N
A(22)
A(1:20) A(1)
A(2)
A(3)
A(4)
A(5)
A(6)
A(7)
A(8)
A(9)
(Picture2)
Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846

Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846
SAMSUNG Proprietary-Contents may change without notice
SCH-X359 FlowChartofTroubleshooting and CircuitDiagrams
2-5
ThisDocumentcan notbe used withoutSamsung'sauthorization
1-3.AbnormalKey DataInput
Checkinitialstatus
No
Yes
END
Scanningsignal
outputted fromU100
scan0-5,0-3
keysense
No
Yes
Nomal keydatainput?
Check
R343,R345,R351,R353,R356,
U100 anditsneiboring
circuits
Replacethekeydomesheet
12
3
12
5
END_PWR
12
DOWN
34 5
12
12
1
*
12
1K
R353
9
KEYPAD
12
7
KEYPAD
12
4
12
2
2
11 2
R351
1K
CLR
SH
12
R345
1K
LIGHT
12
STO
12
12
KEYPAD
8
2
6
12
SEND
1
100PF
C335
34 5
12
UP
R343
1K
INTERNET
12
V_BATT
1KR370
MENU
12
UNDER
12
LEFT
12
R373 1K
OVER
12
R372 1K
1KR369
100PF
C334
1KR371
100PF
C333
0
12
100PF
C336
1K
R356
KEYSCAN(0)
KEYSCAN(1)
KEYSCAN(2)
KEYSCAN(3)
KEYSCAN(4)
KEYSCAN(5)
KEYSENSE(3)
KEYSENSE(2)
KEYSENSE(1)
KEYSENSE(0)
ON_SW
Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846

Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846
SAMSUNG Proprietary-Contents may change without notice
SCH-X359 FlowChartofTroubleshooting and CircuitDiagrams
2-6
ThisDocumentcan notbe used withoutSamsung'sauthorization
1-4.Audio
Speakerdoesnotwork
No
END
Yes
CheckU203,U202
ChecktheconnectionbetweenCN300
andLCDModuleconnector
Yes
NoCheckCN300 soldering
andU203 circuit
Yes
U203 Pin17,18
Yes
CheckCN300
Pin31,32
Checkthevoltageonthespeakerline
landsonLCDmodule
Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846

Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846
SAMSUNG Proprietary-Contents may change without notice
SCH-X359 FlowChartofTroubleshooting and CircuitDiagrams
2-7
ThisDocumentcan notbe used withoutSamsung'sauthorization
L303
V_IN
5
6
7
8
R342
12 34
R330 1K
8
R339
1
2
3
4 56 7
66
7
7
88
9
9
3
3
30
30
31 31
32
32
33 33
34
34
44
5
5
22
22
23 23
24
24
25 25
26
26
27 27
28
28
29 29
15
15
16 16
17
1718
18
19 19
22
20
20
21 21
CN300
1
1
10 10
11
11 12
12
13 13
14
14
R340
1K
56 78
R331
1
2
3
4
10K
R326
23 4
5
6
7
8
R333
1
2.8V
10NF
C325
2
3
4 56 78
R328
1
LED_EN
EL_EN
D(8)
D(9)
D(10)
D(11)
D(12)
D(14)
D(13)
D(15)
D(0)
D(1)
D(2)
D(3)
D(7)
D(6)
D(5)
D(4)
LCD_CS
GP_CS
LWR_N
A(2)
GREEN_LED1
RESIN_N
BLUE_LED1
RED_LED1
MSPK-
MSPK+
V_MOT
(Picture1)
R245
47K
2.8V
56K
R236
0
R241
R234
33K
C245
330NF
4.7UF
C251
6.3V 100NF
C253
C239
100NF
150K
R232
V_IN
33K
R233
R243 3.3K
22NF
C240
330NF
C249
NC
R244
C247
100NF
270PF
C238
0R238
1NF
C252
2.8V
6.3V
4.7UF
C242
4.7NF
C246
VREF
98
VSS
/CS
29
/IRQ
3
/RD
31
4
/RST
/WR
28
19
MTR
5
NC
6
PLLC
SPOUT
1
1718
SPOUT
2
SPVDD
15
16
SPVSS
VDD
7
20
D7
12
EQ1
EQ2
13
14
EQ3
10
HPOUT-L/MONO
HPOUT-R
11
IOVDD
32
LED
2
CLKI
1
27
D0
D1
26
D2
25 24
D3 D4
23 22
D5 D6
21
U203
30 A0
HP_R
D(4) D(5) D(6) D(7)
RD_N
A(1)
LWR_N
D(0)
D(1)
A_CS
MSPK-
PCM_CLK
MSPK+
_IRQ
_RST
SPK_P
D(2) D(3)
(Picture2)
Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846

Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846
SAMSUNG Proprietary-Contents may change without notice
SCH-X359 FlowChartofTroubleshooting and CircuitDiagrams
2-8
ThisDocumentcan notbe used withoutSamsung'sauthorization
1-5.Charging
Abnormalchargingpart
No
Yes
CheckthePin29,2
ofCN300 isaround
5V
END
CheckTAandBattery
CheckCN300
No
Yes
CheckthePin3of
Q306 islow?ChecktheQ306 andit's
related circuit
No
Yes
CheckthePin2of
Q305 ishigh?ChecktheQ305 andit's
related circuit
Service Manual Online Homepage: http://manual.kmip.net/ Email: we[email protected] ICQ: 343183001 QQ: 35070846