Samsung SGH-P408 Service Manual page 22

SG H- P408 F low Chart of Troubleshooting
VCCD
R501
R502 10
FLASH_RESET
A(1:22 )
CP_CSROMEN
CP_CSROM2EN
10
CP_CSRAMEN
C503
10N F
UPPER_BYT E
A(0)
C504
CP_OEN
10NF
CP_WEN
MEMORY
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VCCD
C500 C501 C502
100N F 100N F 100NF
U50 0
C6 S-A17
F-VC C
F-VP P
C5
F-A21
A(22)
S-VC C
A3
A20
A(21)
E5 A19
A(20)
DQ15
G3 A18
A(19)
DQ14
G4 F-A17
A(18)
DQ13
DQ12
B3 A16
A(17)
DQ11
A5 A15
A(16)
DQ10
A6 A14
A(15)
A7
A13
A(14)
A8 A12
A(13)
A4
A11
A(12)
B5 A10
A(11)
B6 A9
A(10)
B4 A8
A(9)
G5 A7
A(8)
G6 A6
A(7)
H4 A5
A(6)
H5 A4
A(5)
G7
A3
A(4)
G8 A2
A(3)
G9
A1
A(2)
A(1)
H6 A0
H7
F1-_CE
H10
F2-_CE
D8
S-CE2
G10
S-_CE 1
C4
F-RY/_BY
F4 S-_UB
F3 S-_LB
E3 F-_WP
D4
F-_RS T
GN D
F5 S-_OE
GN D
H9 F-_OE
GN D
B8 S-_WE
C3
F-_WE
3- 10
VCCD
D1 0
E4
D9
B7
D(15)
B9
D(14)
C7
D(13)
D7
D(12)
E6
D(11)
E8
D(10)
F7
D(9)
DQ9
F8
D(8)
DQ8
B10
D(7)
DQ7
C8
D(6)
DQ6
C10
D(5)
DQ5
C9
D(4)
DQ4
E1 0
D(3)
DQ3
E9
D(2)
DQ2
F10
D(1)
DQ1
F9
D(0)
DQ0
D5
T1
D6
T2
E7
T3
F6
T4
A1
NC
A2
NC
H1
NC
H2
NC
H3
NC
A1 0
NC
A1 1
NC
A1 2
NC
H1 1
NC
H1 2
NC
H8
A9
D3
1
NC
2
NC
WR_PROTECT
D(0:15)