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Manual
SERVICE
Service Manual Online Homepage: http://manual.kmip.net/ Email: [email protected] ICQ: 343183
ELECTRONICS
Service Manual Online Homepage: http://manual.kmip.net/ Email: [email protected] ICQ: 343183
2 . SCH- X3 5 9 Tr o u b le S h o o t in g
1. L o g ic S ec tio n
1- 1. No Power
Pr ess PWR button
"H" level No Check Batter y, Q503 and its neighbor ing
outputted fr om cir cuits
Q307 Pin1?
Yes
U300 Pin No Check U300 and its neighbor ing cir cuits
2=2.8V?
Yes
U300 Pin No Check U300 and its neighbor ing cir cuits
1=2.8V?
Yes
R346 No Check U300, U301, U302 and its
=2.8V? neighbor ing cir cuits
Yes
END
2- 1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Service Manual Online Homepage: http://manual.kmip.net/ Email: [email protected] ICQ: 343183
SCH- X359 Flow Chart of Troubleshooting and Circuit Diagrams
2.8V 2.8VA
R300 0
C300
V_IN 10UF
6.3V
U300
8 VDET 1
_RESET RESIN_N
7 VIN VOUT 2
6 NC GND
3 C302
10UF
5 4 6.3V
_SHD
N BYP
R303 C304
150K 470PF 2.8V
3.0VR 2.8VB
L300
U301 R309
1 5
IN OUT NC
2
GND
C305
100NF
C306
3 4
SLEEP_N EN REF_BYP 10UF
6.3V
C307 3.0VT
1NF
U302
1 5
IN OUT
2
GND
3 4
IDLE_N EN REF_BYP
C317 C316
1NF 10UF
6.3V
U303
1 8
VIN VOUT1 V_LED
2 7
BACKLIGHT_LED SD1 VOUT2 V_MOT
3 6 3
MOT_CO
N SD2 ERR1
4 5
GND ERR2
C318 C319
1 2 1UF 330NF
R323 R324 D300
47K 47K
( P i c t u r e 1 )
4
U305 3 Q304
1 ISENSE 6
DRIVE
12 56
2 GND 5 V_BATT
VSENSE
TA+ 3 VCC PROG 4
C326
10UF
10V ICHG
2.8V
R332
2.7K
Q305 CHG_ON
R334
12K 3
2
3 R335 TA+
TA_DET_N R336 R337 R338
47K 470K 1 10K 20K
2
1
Q306
R385
20K
V_IN
2.8V
Q503 6
5
2 R344 1K
SS 1
HP_PWR
V_BATT 4 PS_HOLD
R346 ON_SW
R347 1K C330 R348
G 3 R349
680K 10UF 100K
R350 6.3V 4.7K
22K ON_SW_SENSE
R352
C331 3 22K 3
Q307 1 1 Q308
100NF
2 ZD305 2
R354 R355 C332
220K 100K 1NF
( P i c t u r e 2 )
2- 2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Service Manual Online Homepage: http://manual.kmip.net/ Email: [email protected] ICQ: 343183
SCH- X359 Flow Chart of Troubleshooting and Circuit Diagrams
1- 2. Abnormal initial operation (Normal +2.8V voltage source)
Press PWR button
PCM CLK applied to No Check VCTCXO Output.
U200 pin2?
Yes
TCXO CLK signal No Check U200 and its neighboring circuits.
applied outputted from Replace if required.
U200 pin4?
Yes
RAM_CS signal ouputted No
Check MSM board U202
from U201 Pin J2?
Yes
CHIP X8 CLK signal No
ouputted from U202 Pin Check MSM board U202
A14?
Yes
No Check the LED and its
LED on? neighboring circuits.
Replace if required
Yes
Normal initial display No Check the LCD pins and its
on LCD? neighboring circuits.
Replace if required
Yes
END
2- 3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Service Manual Online Homepage: http://manual.kmip.net/ Email: [email protected] ICQ: 343183
SCH- X359 Flow Chart of Troubleshooting and Circuit Diagrams
PCM_CLK
2.8TCXO
U200
1 5
NC VCC
2
IN
3 4
GND OUT C211
100NF
R213
C213 47PF 100K
TCXO
(Pi c t ur e 1 )
2.8V
C209 C210
100PF 100NF
U201
A(1:20)
A(1) G2 J5
A0 VCCF
A(2) F2 A1 VCCS J6
A(3) E2 H9 R209 100K
A2 CIOF
A(4) D2 D6 R210 10K
A3 CE2S
A(5) F3 E5 R211 10K
A4 RY/BY
#
A(6) E3 C6 LWR_
N
A5 WE#
A(7) D3
A6 D(0:15)
A(8) C3 J3 D(0)
A7 DQ0
A(9) C7 G4 D(1)
A8 DQ1
A(10) E7 K4 D(2)
A9 DQ2
A(11) F7 H5 D(3)
A10 DQ3
A(12) C8 H6 D(4)
A11 DQ4
A(13) D8 K7 D(5)
A12 DQ5
A(14) E8 G7 D(6)
A13 DQ6
A(15) F8 J8 D(7)
A14 DQ7
A(16) D9 K3 D(8)
A15 DQ8
A(17) G9 A16 DQ9 H4 D(9)
A(18) F4 J4 D(10)
A17 DQ10
A(19) E4 A18 DQ11 K5 D(11)
2.8V A(20) D7 J7 D(12)
A19 DQ12
E6 H7 D(13)
A(21) A20 DQ13
E9 K8 D(14)
A(22) A21 DQ14
H8 D(15)
DQ15/A-1
T1 H2
ROM_CS1_N CE#F1
RAM_CS1_N T2 J2 G3
CE1#S VSS
1
R221 H3 J9
RD_N OE# VSS
2
47K T3 C4
LB_N LB#
A(0) D4 F10
UB# NC
C5 G1
WP R222 10K WP#/ACC NC
D5 G10
RESIN_N RESET# NC
T4 F9 L1
ROM_CS2_N CE2#F NC
L5
NC
A1 L6
NC NC
A10 NC NC L10
C220 B1 M1
NC NC
10NF B5 M10
NC NC
B6 K6
NC NC
B10 G8
NC NC
C1 1
NC NC
F1 2
NC NC
(P ic tu r e 2 )
2- 4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Service Manual Online Homepage: http://manual.kmip.net/ Email: [email protected] ICQ: 343183
SCH- X359 Flow Chart of Troubleshooting and Circuit Diagrams
1- 3. Abnormal Key Data Input
Check initial status
Scanning signal
outputted from U100 No Check
scan 0- 5, 0- 3 R343,R345,R351,R353,R356,
keysense U100 and its neiboring
circuits
Yes
No Replace the key dome sheet
Nomal key data input?
Yes
END
V_BATT
END_PW
R
2 1
ON_SW
MENU OVER LEFT UNDER
R343
12 12 12 12
1K
KEYSCAN(0)
LIGHT STO SEND INTERNET
R345
12 12 1 2 12
1K
KEYSCAN(1)
1 2 3 CLR
R351
12 11 2 12 2
1K
KEYSCAN(2)
4 5 6
12 12 12 R353
1K
KEYSCAN(3)
12
7 8 9
KEYPAD KEYPAD KEYPAD UP
34 5
12 12 12
R356
1K
KEYSCAN(4)
12
* 0 SH DOWN
34 5
12 12 12
R369 1K
KEYSCAN(5)
R370 1K
KEYSENSE(3)
R371 1K
KEYSENSE(2)
R372 1K
KEYSENSE(1)
R373 1K
KEYSENSE(0)
C333 C334 C335 C336
100PF 100PF 100PF 100PF
2- 5
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Service Manual Online Homepage: http://manual.kmip.net/ Email: [email protected] ICQ: 343183
SCH- X359 Flow Chart of Troubleshooting and Circuit Diagrams
1- 4. A u d i o
Speaker does not work
Check the connection between CN300
and LCD Module connector
Yes
U203 Pin17, 18 No Check U203, U202
Yes
No
Check CN300 Check CN300 soldering
Pin31,32 and U203 circuit
Yes
Check the voltage on the speaker line
lands on LCD module
Yes
END
2- 6
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Service Manual Online Homepage: http://manual.kmip.net/ Email: [email protected] ICQ: 343183
SCH- X359 Flow Chart of Troubleshooting and Circuit Diagrams
V_IN
2.8V
RESIN_N R326
10K
L303
C325
10NF
CN300
18 18 17 17 R328
GREEN_LED1 19 16 D(0)
19 16
1
V_MOT 20 15 D(1)
78
20 15
3 2
LED_EN R330 1K 21 14 D(2)
R331 21 14
22 13 D(3)
56
22 13
4
D(8) 23 23 12
12
1
D(9) 24 11
78
3 2 24 11
D(10) 25 10 R333
25 10
6 5
4
D(11) 26 9 D(4)
56
26 9
4
27 27 8 D(5)
8
1 23
8 7
28 28 7 D(6)
7
29 29 6 D(7)
R339 6
30 30 5 R340
5
D(12) MSPK+ 31 31 4 1K
4
2 1
7 8
D(13) MSPK- 32 32 3 N
EL_E
3
D(14) RED_LED
1 33 33 2
2
4 3
D(15) BLUE_LED
1 34 1
56
34 1
R342
6 5
A(2)
34
LWR_N
8 7
GP_C S
12
LCD_CS
( P i c t u r e
MSPK+ 1 )
MSPK-
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
25 24 23 22 21 20 19 18 17 V_IN
SPVSS
MTR
D2
D3
D4
D5
D6
D7
2
1
SPOUT
SPOUT
26 16
D(1) D1
27 15
D(0) D0 SPVD
D
28 14 R232
LWR_N /WR EQ3
R233
150K
29 U203 13 33K
A_CS /CS EQ2
C238
30 12 C240 270PF C239
A(1) A0 EQ1 100NF
22NF
31 11 R234
RD_N /RD HPOUT-R
33K C242
R236
32 HPOUT-L/MON
O 10 56K 4.7UF
2.8V IOVDD 6.3V
R238 0
VREF
LED
PLLC
/RST
CLKI
VDD
/IRQ
VSS
NC
1 2 3 4 5 6 7 8 9
C245 C246
C247
330NF 4.7NF
3.3K
100NF
NC
R241
HP_R
PCM_CLK 0
2.8V SPK_P
_IRQ
R243
R244
C249
_RST 330NF
R245
47K
C251
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