Samsung SGH-J770 User manual

GSM TELEPHONE
SGH-J770
GSM TELEPHONE CONTENTS
1. Safety Precautions
2. Specification
3. Product Function
4. Array course control
5. Exploded View and Parts List
6. Main Electrical Parts List
7. Block Diagrams
8. PCB Diagrams
9. Flow Chart of Troubleshooting
10. Reference data
11. Disassembly and Assembly
Instructions
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This Service Manual is aproperty of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
Samsung Electronics Co.,Ltd.
2008. 09. Rev.1.0
ⓒ
Country Web Site
North America service.samsungportal.com
Latin America latin.samsungportal.com
CIS cis.samsungportal.com
Europe europe.samsungportal.com
China china.samsungportal.com
Asia asia.samsungportal.com
Mideast &Africa mea.samsungportal.com
GSPN (Global Service Partner Network)

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7. Disassembly and Assembly Instructions
7-1
This Document can not be used without Samsung's authorization
7-1. Assembly
1
43
2
1) Attach conduction tape.[Figure 1]
2) Insert the SLIDE FPCB and CAMERA FPCB
[Figure 2]
Caution
1) Be careful of the possible damage on FPCB
2) Connector should be certainly clicked along 󲉨
marked line.
1) Combine NAVI KEY PAD.[Figure 1]
2) Combine LCD/CAMERA MODULE and fixing soldering
area.[Figure 2]
Caution
1) Be careful of the possible damage on FPCB
1) After adjust FPCB on the LCD, Attach conduction
tape.[Figure 1]
2) After combine Lower, screw the 4 Bolt s .[Figure 2]
1) As seen figure 1, combine the Screw Cap.[Figure 1]
2) combine the 3* 4 KEY PAD on the front.[Figure 2]
<Figure 1> <Figure 2>
conduction
TAPE
SLIDE FPCB CAMERA
FPCB
LCD Module
<Figure 1> <Figure 2>
CAMERA
MODULE
soldering area
NAVI KEY
PAD
<Figure 2>
<Figure 1>
conduction tape
Screw(L3.0)
Torque:1.1~1.3KgfCm
<Figure 2>
<Figure 1>
Screw Cap
3*4 KEY PAD

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Exploded View and Parts List
7-2
This Document can not be used without Samsung's authorization
5
87
6
      
 
       
 
Caution
     
        
  
         
  
       
    
1) After combine BRACKET,screw the 2
Bolts.[Figure 1]
2) Screw the 1 Bolt.[Figure 2]
1) FIX the Antenna module on the PBA.[Figure 1]
2) Screw the 1 Bolt.[Figure 2]
<Figure 2><Figure 1>
BRACKET
Screw(L2.5)
Torque:1.1~1.3KgfCm
Screw(L2.0)
Torque:1.1~1.3KgfCm
<Figure 1> <Figure 2>
Intenna Screw(L2.0)
Torque:1.1~1.3Kgf
Cm
       


 -





 
   


   

SAMSUNG Proprietary-Contents may change without notice
Exploded View and Parts List
7-3
This Document can not be used without Samsung's authorization
910
     
        
  
Caution
                  
   
   



   
 
 

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Exploded View and Parts List
7-4
This Document can not be used without Samsung's authorization
7-2. Disassembly
1
43
2
1) Remove the three kind of side key from the front.[Figure 1]
2) Detach the Connecter of 3*4 key F-PCB.
1) Lift the intenna and PBA and Detach the Slide
F-PCB.[Figure 1]
Caution
1) Be careful with the damage of Slide F-PCB.
1) Disjoint carefully Rear Cover shaking right and
left[Figure 1]
Caution
1) Be careful with the damage of Rear Cover.
1) Detach rear deco and PC sheet on the back of a
set with tweezer.[Figure 1]
2) Unscrew 5points rear bolts on the back of aset.
[Figure 2]
Caution
1) Notice the Scratch on the Rear Cover when the
set disjoint.
<Figure 1> <Figure 2>
Rear Deco
PC SHEET Screw(M1.4,L3)
<Figure 1>
SIDE KEY
<Figure 1> <Figure 2>
3*4 KEY
CONNECTO
R
<Figure 1>
Slide F-PCB
Connector

SAMSUNG Proprietary-Contents may change without notice
Exploded View and Parts List
7-5
This Document can not be used without Samsung's authorization
5
87
6
1) Remove the Screw cap 2points.[Figure 1]
2) Unscrew 4points on the Slide Lower.[Figure 2]
1) Detach the conduction tape from the LCD
module.[Figure 1]
2) Detach the camera/motor/spker.[Figure 2]
Caution
1) Detach the conduction tape carefully.
2) Notice the F-PCB so as not to damage.
1) Unscrew 2points on the bracket.[Figure 1]
2)Removethe3*4keypad.[Figure2]
1) Unscrew 6points on the Front Cover.[Figure 1]
2) Unscrew 1points on the front.[Figure 2]
<Figure 2>
<Figure 1>
Screw(M1.4,L2)
Screw(M1.4,L2.5)
<Figure 2>
<Figure 1>
Screw(M1.4,L2)
Slide F-PCB
Connector
<Figure 2>
<Figure 1>
Screw(M1.4,L3)
Screw cap
<Figure 2>
<Figure 1>
conduction tape
camera/motor/spker

SAMSUNG Proprietary-Contents may change without notice
Exploded View and Parts List
7-6
This Document can not be used without Samsung's authorization
910
1) Remove the NAVI KEY PAD from the
UPPER.[Figure 1]
2) Detach the Slide F-PCB connector and Camera
F-PCB connector from the LCD.[Figure 2]
Caution
1) Be careful with the damage of LCD.
2) Be careful with the damage of F-PCB
1)Detach the conduction tape from the LCD module.
[Figure 1]
Caution
1) Be careful with the damage of LCD.
<Figure 1> <Figure 2>
Camera F-PCB
CONNECTOR
Slide F-PCB
CONNECTOR
NAVI KEY PAD
conduction tape
<Figure 1>

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10. Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
10-1
10-1. Power On
Check the Battery Voltage
is more than 3.7V
'Power On 'does not work
Change the Battery
END
No
Yes
C320(VISA)=2.7
V? Check the PMU related to VINT
No
Yes
Check the Clock at
PM300 14pin
(CLK32K)=32KHZ Resolder OSC300,C316, and C318
No
Yes
C300(+VDD_IO_LOW) &
C302(+VDD_IO_HIGH) ="
H"? Check the related circuit
No
Yes
+VDD_GSM_CORE
=1.2
V? Resolder L300 and L334
No
Yes
Check the initial operation
Yes
Yes

SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
10-2
G
PMU
R300
OSC300
BAT300
1
2
C325
C332
C305
C319
C326
C328
C316
R334
TA300
R325
C314
C317
C310
L300
C329
C312
R307
0
C320
C324
C300
VBAT
ZD300
C313
VBAT
C304
C302
C321
C311
7_RSTHC
8GPO3
9GPO2
3
5
N
E
M
I
S
4
5
T
A
B
V5
5
D
D
V
C
L6
5
VSS
57
C
N8
5
C
N9
5
6SIMIOHC|_SIMOFF
6
4
7
4
D
D
V
2
D
8
4
D
D
V
P
L
9
4
D
D
V
3
D
5_SIMRSHC
0
5
D
D
V
1
D
1
5
T
A
B
V
1
D
2
5
D
D
V
C
L
T
A
B
V
D
C
D
39
4SIMCKHC
0
4
E
V
A
S
V
1
4
D
D
V
1
F
R
2
4
D
D
V
2
F
R
3
4
C
C
V
M
I
S
4
4
D
D
V
C
H
5
4
D
D
V
O
I
T
A
B
V
REFGND
32
VISA
33
VBATSENSE
34
_REC1
35
_REC2
36
CHGCUR
37
USBVIN
38
VCHG
VSS
4
2D
C
O
I
M
I
S
5
2D
C
S
R
M
I
S
_
N
E
M
I
S
6
2
27
NTC
28
_ONKEY
29
MICBIAS
3_IRQ
30
REFC
31
8
1X
L
D
C
D
9
1T
A
B
V
D
C
D
2OSCO
0
2D
D
V
D
C
D
1
2A
D
S
2
2L
C
S
3
2D
C
K
C
M
I
S
1OSCI
10 GPO1
PWREN1
11
12 PWREN2
13 VSS
4
1K
2
3
K
L
C
5
1D
D
V
4
D
6
1D
D
V
5
D
7
1D
D
V
6
D
PM300
C327
VDD_IO_LOW_1.8V
C303
R319
R302
VBAT
R322 100
R320
R321
C318
C315
VDD_GSM_CORE_1.2V
VDD_PLL_1.2V
PWREN2
MIC_BIAS_2.1V
VDD_USB_3.3V
VDD_SD_2.9V
VDD_KEY_3.3V
VDD_VIB_3.3V
MES_BATT
AUX_ON
SIMOFFn
SIM_VCC_3.0V
AVDD_HFA_2.6V
VDD_IO_LOW_1.8V
VDD_IO_HIGH_2.9V
AVDD_2.6V
VDD_SLEEP_2.9V
RSTON
JACK_IN
REF_ON_PMU
32KHz_DIGIT
SDA
SCL
ONKEYN
IT_PMU
V_EXT_CHARGE_5.0V
VCC_SYN_2.8V
VDD_RX_TX_2.8V

SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
10-3
1
0
2
C
0
0
3
C
2
0
3
C
C303
C304
5
0
3
C
0
1
3
C
C311
2
1
3
C
3
1
3
C
5
1
3
C
C316
C317
8
1
3
C
C319
C320
C321
4
2
3
C
C327
C328
0
0
3
L
OSC300
PM300
R319
0
2
3
R
R321
R322
R325
4
3
3
R
0
0
1
C
S
TA300

SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
10-4
10-2. Initial
UCP200 pin B9 (RSTON) ="H"?
Initial Failure
Replace UCP200
END
No
Yes
UME200 pin C5(RSTEXTn)
or TP_EXT
="
H" ?
Yes
Yes
No Change PBA
Check the 16bit data signal
&memory CE
Yes

SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
10-5
VDD_PLL_1.2V
C225
TP_CS200
U503
TP200
C204
C205
8
Y
MCLK
Y9
C208
Y19
HDP3
Y2
C
N
0
2
Y
HDP0
Y3
HDP1
Y4
B
B
S
S
V
5
Y
QP
Y6
IP
Y7
K
L
C
S
S
V
Y11
AUXDAC2
Y12
AUXDAC3
Y13
F
E
R
D
D
V
4
1
Y
VREF
Y15
MICBIAS
Y16
B
V
D
D
V
7
1
Y
GPIOB11
Y18
GPIOA20
W4
B
B
D
D
V
5
W
QN
W6
IN
W7
K
L
C
D
D
V
8
W
4
A
S
S
V
9
W
C
N
1
Y
E
D
N
G
0
1
Y
AUXDAC1
5
1
W
5
A
S
S
V
6
1
W
E
D
N
G
7
1
W
GPIOB10
W18
GPIOB13
W19
HDP10
W2
GPIOA21
W20
HDP13
W3
HDP5
V8
GPIOA2
V9
HDP4
W1
1
E
D
D
V
0
1
W
GPIOB5
W11
GPIOA28
W12
GPIOA13
W13
E
D
N
G
4
1
W
F
E
R
S
S
V
V13
GPIOA31
V15
GPIOA14
V16
GPIOB12
V19
HDP7
V2
GPIOA22
V20
HDP2
V5
R
P
E
D
D
V
6
V
GPIOA1
U1
GPIOB9
U17
RFSIG0
U19
HDP9
U2
GPIOA23
U20
HDP6
U4
HDP8
V1
TXDP1
V12
GPIOA27
T2
RFSIG1
T20
GPIOA8
T3
BE1_N
T5
HDP11
T6
HDP16
T7
HDP14
T8
GPIOA10
T9
GPIOA5
T11
GPIOA16
T12
GPIOA25
T13
GPIOA15
T14
GPIOA30
T15
GPIOB8
T16
RFSIG6
T18
RFSIG2
T19
CS3_N
R3
OE_N_R_W_N
R5
HDP12
R6
HDP15
R7
HDP17
R8
C
D
N
G
9
R
ADD27
T1
GPIOA11
T10
GPIOA18
R13
GPIOA29
R14
GPIOA17
R15
RFEN0
R16
RFCLK1
R18
RFSIG7
R19
1
E
D
D
V
2
R
GPIOA3
R20
GPIOA0
P2
ANL
P20
CS1_N
P5
GPIOA6
P6
E
D
N
G
1
R
GPIOA12
R10
GPIOA19
R11
GPIOA24
R12
GPIOA26
N5
WE_N_E
N6
1
E
D
D
V
8
N
C
D
D
V
9
N
ADC4
P1
KCOL0
P15
RFDO1
P16
ANR
P19
RTCK
3
1
N
KCOL1
N15
KCOL3
N16
SCL1
N18
AUXMICP
N19
TDO
N2
MICP
N20
ADD19
N3
ADD23
M5
GPIOA7
M6
1
E
D
D
V
8
M
C
D
N
G
9
M
ADC3
N1
C
D
D
V
0
1
N
2
E
D
D
V
1
1
N
2
E
D
D
V
2
1
N
5
E
D
D
V
3
1
M
KCOL2
M15
KROW2
M16
SDA1
M18
AUXMICN
M19
JSEL
M2
MICN
M20
ADD18
M3
ADD22
L5
ADD21
L6
1
E
D
D
V
8
L
C
D
N
G
9
L
ADC2
M1
C
D
N
G
0
1
M
C
D
N
G
1
1
M
C
D
N
G
2
1
M
C
D
D
V
1
1
L
E
D
N
G
2
1
L
1
E
D
D
V
3
1
L
KCOL4
L15
KROW4
L16
C
D
D
V
9
1
L
TCK
L2
B
V
S
S
V
0
2
L
GPIOA9
K2
EAR2
K20
IO30
K5
GPON1
K6
1
E
D
D
V
8
K
E
D
N
G
9
K
ADC1
L1
C
D
N
G
0
1
L
C
D
N
G
K1
E
D
N
G
0
1
K
E
D
N
G
1
1
K
E
D
N
G
2
1
K
7
E
D
D
V
3
1
K
KROW0
K15
KROW1
K16
SCL2
K19
TMS
J19
GPIOB2
J2
EAR1
J20
CSO_N
J3
IO28
J5
GPON0
J6
1
E
D
D
V
8
J
E
D
N
G
9
J
TRST_N
1
J
E
D
N
G
0
1
J
E
D
N
G
1
1
J
E
D
N
G
2
1
J
4
E
D
D
V
3
1
J
KROW3
J15
CAMCLK1
J16
CAMDATA2
J18
SDA2
H19
GPIOA4
H2
O
B
V
S
S
V
0
2
H
IO26
H3
IO29
H5
IO31
H6
1
E
D
D
V
8
H
C
D
D
V
9
H
2
D
S
S
V
1
H
C
D
D
V
0
1
H
C
D
D
V
1
1
H
6
E
D
D
V
2
1
H
6
E
D
D
V
3
1
H
CAMDATA3
H15
CAMDATA1
H16
CAMHS
H18
CAMCLKO
G1
CAMDATA0
G15
CAMDATA5
G16
CAMDATA6
G19
RESET_N
G2
HFR2
G20
IO25
G5
ADV_N
G6
2
D
D
D
V
F2
HFR1
F20
IO21
F3
IO23
F5
IO19
F6
C
D
D
V
7
F
E
D
N
G
8
F
2
A
D
D
V
9
F
TDI
F11
SIMPWR
F12
SIMRST_N
F13
SIMIO
F14
CAMDATA7
F15
CAMVS
F16
CAMDATA4
F18
VDED0
F19
IO24
E3
IO14
E5
E
D
N
G
6
E
IO11
E7
RSTEXT_N
E8
2
A
D
N
G
9
E
R
P
E
D
D
V
1
F
VDECS2_N
F10
SIMCLK
E13
VDED1
E14
VDED3
E15
VDED4
E16
VDED9
E18
VDED5
E19
IO18
E2
O
B
V
D
D
V
0
2
E
IO20
D19
IO27
D2
VDED11
D20
IO12
D4
ADD20
E1
VDECS1_N
E10
VDED_C_N
E11
VDEEOF_CLK27M
E12
VDED2
C2
VDED10
C20
IO8
C5
R
P
E
D
D
V
6
C
CKITST
C8
CLK32I
C9
IO22
D1
VDED6
D17
VDED7
8
B
RSTBB_N
B9
IO16
C1
GPIOC18
C12
USBVBUS
C13
USBRREF
C15
3
A
D
D
V
6
1
C
VDED8
C19
IO17
B19
IO15
B2
VDED13
B20
ADD0_BE0_N
B3
IO9
B4
IO6
B5
IO4
B6
IO2
B7
U
G
C
D
D
V
B11
MCLKSEL
B12
A
D
D
V
B
S
U
3
1
B
USBGNDA
B14
M
R
E
T
A
S
S
V
B
S
U
5
1
B
USBID
B16
VDERD_N
B17
VDED12
B18
VDED15
A4
IO5
A5
IO3
A6
IO1
A7
IO0
A8
2
D
S
S
V
9
A
ADD1_BE2_N
B1
DD
B10
DU
A15
F
E
R
A
S
S
V
B
S
U
6
1
A
3
E
D
D
V
7
1
A
VDEWR_N
A18
VDED14
A19
IO13
A2
C
N
0
2
A
IO10
A3
IO7
1
C
N
2
C
N
1
A
2
D
D
D
V
0
1
A
FSC
A11
DCL
A12
V
R
D
A
D
D
V
B
S
U
3
1
A
USBDP
A14
USBDM
UCP200
C
N
C220
R216
R205
C219
VDD_IO_LOW_1.8V
AVDD_2.6V
C206
TP_LB
TP202
VDD_SD_2.9V
VDD_IO_LOW_1.8V
U200
C224
AVDD_HFA_2.6V
VDD_GSM_CORE_1.2V
VDD_USB_3.3V
C212
R210
100K
SIM_VCC_3.0V
U
Q
C
C
V
9
V
NC
W1
NC
W10
NC
W11
NC
W12
NC
W2
NC
W3
NC
V12
NC
V2
Q
S
S
V
3
V
R
Q
C
C
V
4
V
R
Q
C
C
V
5
V
R
Q
C
C
V
6
V
R
Q
C
C
V
7
V
Q
S
S
V
8
V
O
Q
C
C
V
5
U
O
Q
C
C
V
6
U
U
Q
C
C
V
7
U
U
Q
C
C
V
8
U
Q
S
S
V
9
U
NC
V1
O
Q
C
C
V
0
1
V
NC
V11
DQ13ROU
T9
NC
U1
O
Q
C
C
V
0
1
U
U
C
C
V
1
1
U
NC
U12
S
S
V
2
U
/OER
U3
U
C
C
V
4
U
NC
T12
O
C
C
V
2
T
Q
S
S
V
3
T
DQ0ROU
T4
DQ10ROU
T5
DQ11ROU
T6
U
C
C
V
7
T
DQ12ROU
T8
DQ2ROU
R5
DQ3ROU
R6
DQ4ROU
R7
DQ5ROU
R8
DQ6ROU
R9
NC
T1
DQ7ROU
T10
U
Q
C
C
V
1
1
T
DQ14ROU
P9
NC
R1
DQ15ROU
R10
INTO
R11
NC
R12
CEBO
R2
RDYO
R3
DQ8ROU
R4
NC
P12
NC
P2
CEBR
P3
DQ1ROU
P4
DQ9ROU
P5
S
S
V
6
P
R
C
C
V
7
P
OEBU
P8
NC
N12
NC
N2
AVDBRU
N3
CLKRU
N4
NC
N9
NC
P1
OEBO
P10
S
S
V
1
1
P
NC
M12
NC
M2
AVDBO
M3
RDYR/WAITBU
M4
NC
M9
NC
N1
NC
N10
O
C
C
V
1
1
N
NC
L12
NC
L2
NC
L3
CLKO
L4
NC
L9
NC
M1
NC
M10
NC
M11
NC
K12
NC
K2
NC
K3
NC
K4
NC
K9
NC
L1
NC
L10
NC
L11
NC
J12
NC
J2
NC
J3
NC
J4
NC
J9
NC
K1
NC
K10
NC
K11
NC
H12
NC
H2
NC
H3
NC
H4
NC
H9
NC
J1
NC
J10
NC
J11
NC
G12
WPBR
G2
NC
G3
NC
G4
NC
G9
NC
H1
NC
H10
NC
H11
CSBU
F5
R
C
C
V
6
F
A19RU
F7
A9ROU
F8
A23R
F9
NC
G1
NC
G10
NC
G11
A10ROU
E9
NC
F1
R
C
C
V
0
1
F
NC
F11
NC
F12
A0ROU
F2
A17RU
F3
MRSBU
F4
NC
E12
A1ROU
E2
A4ROU
E3
A5ROU
E4
LBBU
E5
UBBU
E6
A8ROU
E7
A22RU
E8
A18RU
D5
WEBO
D6
A21RU
D7
A20RU
D8
A11ROU
D9
NC
E1
NC
E10
NC
E11
U
C
C
V
9
C
NC
D1
A14ROU
D10
A16RU
D11
NC
D12
U
C
C
V
2
D
A3ROU
D3
A6ROU
D4
NC
C12
S
S
V
2
C
A2ROU
C3
A7ROU
C4
RESETBO
C5
WEBU
C6
VCCO
C7
RESETBR
C8
VPPR
B5
U
C
C
V
6
B
S
S
V
7
B
WEBR
B8
S
S
V
9
B
NC
C1
A13ROU
C10
A15ROU
C11
NC
A3
NC
B1
A12ROU
B10
NC
B11
NC
B12
NC
B2
NC
B3
NC
B4
UME200
NC
1
NC
2
NC
A1
NC
A10
NC
A11
NC
A12
NC
A2
VDD_IO_LOW_1.8V
C221
C202
VDD_USB_3.3V
VDD_IO_HIGH_2.9V
R209
C213
R201
VDD_IO_LOW_1.8V
R207
VDD_IO_HIGH_2.9V
C222
C207
VDD_IO_LOW_1.8V
VDD_IO_LOW_1.8V
C216
C211
VDD_IO_LOW_1.8V
TP_WAITn
R218
C201
TP_DATA200
TP201
VDD_IO_HIGH_2.9V
C214
R200
TP_CLKBUST
C200
C215
R211
C209
VDD_GSM_CORE_1.2V
1NF
C218
VDD_IO_LOW_1.8V
R206
R202
R203
R208
SIM_VCC_3.0V
VDD_IO_LOW_1.8V
VDD_IO_LOW_1.8V
VDD_CAM_IO_1.8V
VDD_IO_LOW_1.8V
VDD_USB_3.3V
TP_EXT
VDD_IO_LOW_1.8V
TP_BE200
GND
NC
1
5
NC
6
VCC
Y4
U202
2A
3
C217
TP_CS201
0
R204
AVDD_2.6V
TP_A200
C203
C210
VDD_CAM_IO_1.8V
AVDD_2.6V
PWREN2
FM_BUSSEL
FM_RST
WAITn
RSTEXTn
WEn
MODE_RS
VDD_CAMIO_EN
HD(6)
HD(7)
HD(0)
HD(1)
HD(2)
HD(3)
HD(4)
HD(5)
HD(13)
HD(14)
HD(15)
HD(8)
HD(9)
HD(10)
HD(11)
HD(12)
Y(7)
PCLK
M_CLK
VSYNC
LCD_WR_D
M_SCL
M_SDA
LD_D(8)
LD_D(9)
LD_D(10)
LD_D(11)
LD_D(12)
LD_D(13)
LD_D(14)
LD_D(15)
Y(0:7)
Y(0)
Y(1)
Y(2)
Y(3)
Y(4)
Y(5)
Y(6)
MIC_N
ADVn
SD_DATA1
SD_DATA2
SD_DATA3
LD_D(0:15)
LD_D(0)
LD_D(1)
LD_D(2)
LD_D(3)
LD_D(4)
LD_D(5)
LD_D(6)
LD_D(7)
SUB_LED_EN
USB_D+
USB_D-
USB_VBUS
LCD_CS_D
LCD_RS_D
FLM
HSYNC
EAR2
EARMICN
CS0n_FLASH
OEn
HA(0)
BE1n
OEn
VDD_CAM_EN
LCD_BL_EN
MEGA_EN
HFR_P
ANL
ANR
LCD_ID
HA(16)
HA(17)
HA(18)
HA(19)
HA(20)
HA(21)
HA(22)
HA(23)
HA(24)
CLKBURST
ADVn
HD(0:15)
CS1n_RAM
CS4n_NAND
HA(1)
HA(2)
HA(3)
HA(4)
HA(5)
HA(6)
HA(7)
HA(8)
HA(9)
HA(10)
HA(11)
HA(12)
HA(13)
HA(14)
HA(15)
BAND_SEL
PON_3587_SYNTH
MODE_RS
SIMOFFn
EARMICP
BT_RST
HA(1:24)
SD_DETECT
SD_CMD
SD_DATA0
HFR_N
VC2
VC1
D_REF_CLK
HA(1)
32KHz_DIGIT
TRSTn
CTS2
SIMCLK
SIMIO
SIMRST
EAR_SWITCH
MODE_SELECT
RXD2
RAMP
SD_CLK
RX_TX_QP
RX_TX_IP
TXD2
RXD1
RX_TX_QN
RX_TX_IN
RF_DATA
VF
CS0n_FLASH
HA(24)
IT_PMU
EAR_ADC
CS4n_NAND
RF_EN
WEn
BE1n
CLKBURST
RF_CLK
OEn
WAITn
FLIP
PON_PA
RTCK
EAR1
SDA
SCL
TDI
REF_ON
TCK
CS1n_RAM
TDO
MES_BATT
RTS2
TXD1
J_SEL
MIC_P
TEMP_PRODUCT
HA(20)
LCD_RESET_D
DD
DCL
FSC
DU
HA(0)
RSTEXTn
RSTON
RSTEXTn
TMS
HA(13)
HA(14)
HA(15)
HA(16)
HA(17)
KEY_COL(0:4)
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
KEY_ROW(0:4)
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
HD(12)
HD(13)
HA(19)
HA(18:23) HA(18)
HA(21)
HA(22)
HA(23)
HD(0:15) HD(0)
HD(1)
HD(2)
HD(3)
HD(4)
HD(5)
HD(6)
HD(7)
HD(8)
HD(9)
HD(10)
HD(11)
HD(14)
HD(15)
HA(2:17) HA(2)
HA(3)
HA(4)
HA(5)
HA(6)
HA(7)
HA(8)
HA(9)
HA(10)
HA(11)
HA(12)

SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
10-6
0
0
2
C
C202
C203
4
0
2
C
C205
C206
C207
8
0
2
C
C209
C210
C211
C212
C213
C214
C215
6
1
2
C
7
1
2
C
8
1
2
C
9
1
2
C
0
2
2
C
C221
C222
C224
C225
C226
4
1
3
C
C322
3
2
3
C
C326
C400
1
0
4
C
C402
3
0
4
C
C404
5
0
4
C
C408
9
0
4
C
1
1
4
C
2
1
4
C
5
2
4
C
7
2
4
C
C428
0
3
4
C
2
3
4
C
C501
C506
C508
C619
C628
C629
C634
C635
0
0
5
F
3
0
5
F
5
0
5
F
L400
L401
L405
L406
0
0
2
R
R201
2
0
2
R
R203
R204
5
0
2
R
R206 R207
R208
R209
0
1
2
R
1
1
2
R
R212
R213
R214
R215
6
1
2
R
R217
8
1
2
R
9
1
2
R
7
0
3
R
2
1
3
R
4
1
3
R
3
1
3
R
R315
R316R317
R318
3
2
3
R
4
2
3
R
R400
R402
3
0
4
R
4
0
4
R
2
1
4
R
R415
R500 R501
2
0
5
R
3
0
5
R
4
0
5
R
R506
R509
R603
R604
1
0
5
A
T
TP_201
TP_A200
0
0
2
E
B
_
P
T
TP_CLKBUST
0
0
2
S
C
_
P
T
TP_CS201
TP_DATA200
T
X
E
_
P
T
D
N
G
_
P
T
TP_HSYNC
B
L
_
P
T
TP_RSTON
TP_RTCK
K
C
T
_
P
T
TP_TDI
TP_TDO
TP_TMS
TP_TRST
n
T
I
A
W
_
P
T
0
0
2
P
T
1
0
2
P
T
TP202
0
0
2
U
U202
4
0
2
U
U302
0
0
4
U
U503
0
0
2
P
C
U
UME200
0
0
3
D
Z
ZD504

SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
10-7
10-3. Charging Part
PM300 pin 38(VCHG) >4.9V
Abnormal charging part
END
No
Yes
PM300 pin 34(AUX_ON)
or F500 PIN3 =" L"?
No
Yes
Check the PM300pin 46
≒1.4V
No
Yes
Resolder U500, C504, C505, and C317
Resolder or Replace F500
Resolder TA300, C332, R302, and R300
or
Replace ZD300
Yes

SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
10-8
G
PMU
R300
OSC300
BAT300
1
2
C325
C332
C305
C319
C326
C328
C316
R334
TA300
R325
C314
C317
C310
L300
C329
C312
R307
0
C320
C324
C300
VBAT
ZD300
C313
VBAT
C304
C302
C321
C311
7_RSTHC
8GPO3
9GPO2
3
5
N
E
M
I
S
4
5
T
A
B
V5
5
D
D
V
C
L6
5
VSS
57
C
N8
5
C
N9
5
6SIMIOHC|_SIMOFF
6
4
7
4
D
D
V
2
D
8
4
D
D
V
P
L
9
4
D
D
V
3
D
5_SIMRSHC
0
5
D
D
V
1
D
1
5
T
A
B
V
1
D
2
5
D
D
V
C
L
T
A
B
V
D
C
D
39
4SIMCKHC
0
4
E
V
A
S
V
1
4
D
D
V
1
F
R
2
4
D
D
V
2
F
R
3
4
C
C
V
M
I
S
4
4
D
D
V
C
H
5
4
D
D
V
O
I
T
A
B
V
REFGND
32
VISA
33
VBATSENSE
34
_REC1
35
_REC2
36
CHGCUR
37
USBVIN
38
VCHG
VSS
4
2D
C
O
I
M
I
S
5
2D
C
S
R
M
I
S
_
N
E
M
I
S
6
2
27
NTC
28
_ONKEY
29
MICBIAS
3_IRQ
30
REFC
31
8
1X
L
D
C
D
9
1T
A
B
V
D
C
D
2OSCO
0
2D
D
V
D
C
D
1
2A
D
S
2
2L
C
S
3
2D
C
K
C
M
I
S
1OSCI
10 GPO1
PWREN1
11
12 PWREN2
13 VSS
4
1K
2
3
K
L
C
5
1D
D
V
4
D
6
1D
D
V
5
D
7
1D
D
V
6
D
PM300
C327
VDD_IO_LOW_1.8V
C303
R319
R302
VBAT
R322 100
R320
R321
C318
C315
VDD_GSM_CORE_1.2V
VDD_PLL_1.2V
PWREN2
MIC_BIAS_2.1V
VDD_USB_3.3V
VDD_SD_2.9V
VDD_KEY_3.3V
VDD_VIB_3.3V
MES_BATT
AUX_ON
SIMOFFn
SIM_VCC_3.0V
AVDD_HFA_2.6V
VDD_IO_LOW_1.8V
VDD_IO_HIGH_2.9V
AVDD_2.6V
VDD_SLEEP_2.9V
RSTON
JACK_IN
REF_ON_PMU
32KHz_DIGIT
SDA
SCL
ONKEYN
IT_PMU
V_EXT_CHARGE_5.0V
VCC_SYN_2.8V
VDD_RX_TX_2.8V

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Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
10-9
OVP
Digital External Interface
V_EXT_CHARGE_IF_5.0V
R500
3
0
5
D
Z
CH4
CH5 6
VN
2
R504
D500
1CH1
3CH2 CH3 4
5
C501
VDD_IO_HIGH_2.9V
C505
V_EXT_CHARGE_5.0V
C502
2
0
5
D
Z
7
8OUT4
TA500
910
GND
IN1 1
2
IN2
IN3 3
4
IN4
OUT1
5
6OUT2
OUT3
R503
F500
GND
VDD_IO_HIGH_2.9V
U502
GND
2
1IN 5
OUT
3_EN _FLAG 4
C504
U500
R502
V_EXT_CHARGE_IF_5.0V
R501
C503
VBAT
26
NC 27
88
9
9
NC 21
22
NC 23
NC
NC 24
25
NC
NC
18
19
19
22
20 20
3
3
44
5
5
66
7
7
10
11
11
12 12
13 13
14
14 15
15
16 16
17
17
18
IFC500 1
1
10
FM_ANT
EARSPK_L
EARSPK_R
EARMIC_N
EARMIC_P
USB_D-
USB_D+ AUX_ON_JIG RXD1_JIG
TXD1_JIG
AUX_ON
JACK_IN
EAR_SWITCH
EAR_ADC
TXD1
RXD1

SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
10-10
1
0
1
C
2
1
1
C
4
1
1
C
5
1
1
C
6
1
1
C
7
1
1
C
8
1
1
C
9
1
1
C
0
2
1
C
C125
C126
C127
3
3
1
C
5
3
1
C
4
3
1
C
7
3
1
C
8
3
1
C
C139
1
0
2
C
0
0
3
C
2
0
3
C
C303
C304
5
0
3
C
6
0
3
C
C307
0
1
3
C
C311
2
1
3
C
3
1
3
C
5
1
3
C
C316
C317
8
1
3
C
C319
C320
C321
4
2
3
C
5
2
3
C
C327
C328
9
2
3
C
C330
C331
C332
7
0
5
C
D611
F100
L103
L109
0
0
3
L
OSC100
OSC300
PM300
R101
2
0
1
R
R103
2
1
1
R
3
1
1
R
R115
R300
R302
R308
R319
0
2
3
R
R321
R322
R325
R328
4
3
3
R
7
0
5
R
0
0
1
C
S
0
0
3
M
I
S
TA300
U104
7
0
1
U
0
0
3
U
0
0
5
R
V

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Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
10-11
0
0
2
C
C202
C203
4
0
2
C
C205
C206
C207
8
0
2
C
C209
C210
C211
C212
C213
C214
C215
6
1
2
C
7
1
2
C
8
1
2
C
0
2
2
C
C221
C222
C224
C225
C226
C322
3
2
3
C
C326
C400
1
0
4
C
C402
3
0
4
C
C404
5
0
4
C
6
0
4
C
7
0
4
C
C408
9
0
4
C
0
1
4
C
1
1
4
C
2
1
4
C
3
1
4
C
C414
C415
6
1
4
C
7
1
4
C
8
1
4
C
9
1
4
C
0
2
4
C
C421
C422
C423
5
2
4
C
6
2
4
C
7
2
4
C
C428
C429
0
3
4
C
2
3
4
C
C501
2
0
5
C
3
0
5
C
C504
5
0
5
C
9
0
5
C
C601
C602
C603
C604
C609
C619
C628
C629
C630
C631
C632
C633
C634
C635
C636
C637
D500
D601
4
0
6
D
0
1
6
D
0
0
5
F
F501
2
0
5
F
3
0
5
F
4
0
5
F
5
0
5
F
6
0
5
F
1
0
6
C
D
H
IFC500
L400
L401
L405
L406
0
0
2
R
2
0
2
R
R204 R206 R207
R208
R209
1
1
2
R
R212
R213
R214
R215
6
1
2
R
R217
8
1
2
R
9
1
2
R
2
1
3
R
4
1
3
R
3
1
3
R
R315
R316R317
3
2
3
R
4
2
3
R
R400
R402
3
0
4
R
4
0
4
R
R405
R406
R408
R410
R411
2
1
4
R
R413
R415
R500 R501
2
0
5
R
3
0
5
R
4
0
5
R
R508
R510
R511
R600
R601
R602
R603
R604
R605
TA400
TA401
0
0
5
A
T
1
0
5
A
T
TP_201
TP_A200
0
0
2
S
C
_
P
T
TP_CS201
TP_DATA200
T
X
E
_
P
T
D
N
G
_
P
T
TP_HSYNC
B
L
_
P
T
TP_RSTON
TP_RTCK
K
C
T
_
P
T
TP_TDI
TP_TDO
TP_TMS
TP_TRST
TP_VSYNC
TP202
0
0
2
U
U202
4
0
2
U
U302
0
0
4
U
1
0
4
U
0
0
5
U
U502
U503
4
0
5
U
0
0
2
P
C
U
0
0
3
D
Z
2
0
5
D
Z
3
0
5
D
Z

SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
10-12
10-4. Sim Part
SIM300 pin 1, 5
or R328 =" H" ?
Phone can't access SIM Card
Resolder R328, C331 and C330
Check the SIM Card
END
No
Yes
Yes
Yes
No
Resolder or Replace SIM300
After Power ON,
Check SIMCLK Signal on
pin3 of SIM300 in afew second
Yes
No
Replace PBA
After SIM card insert,
SIM300 pin 2=
"H(SIM_RST)"?
Yes