Samsung SGH-S300 Service Manual page 20

1 2
A
B
A(1:22 )
A(20)
A(19)
A(18)
A(17)
A(16)
A(15)
A(14)
A(13)
A(12)
A(11)
C
A(10)
A(9)
VCCD
A(8)
A(7)
A(6)
A(5)
A(4)
A(3)
A(2)
A(1)
R506
100K A(22)
A(21)
CP_CSROME N
CP_CSROM2E N
CP_CSRAME N
UPPER_BYTE
A(0)
D
MEM_RS T
CP_OEN
CP_WE N
E
F
1 2
3 4
VCCD
R508 0
C599
R599
C513
NC
NC
100N F
U501
C6 D10
S-A17
F-VCC
E4
F-VPP D(0:15)
E5 F-A19 D9
S-VCC
G 3 A18
G 4 F-A17 B7
D(15)
DQ15
B9
D(14)
DQ14
C7
D(13)
DQ13
B3 D7
A16 D(12)
DQ12
A5 A15 E6
D(11)
DQ11
A6 A14 E8
DQ10 D(10)
A7 A13 F 7
D(9)
DQ9
A8 A12 F 8
D(8)
DQ8
A4 A11 B10
DQ7 D(7)
B5 A10 C8
DQ6 D(6)
B6 A9 C1 0
D(5)
DQ5
B4 A8 DQ4 C9
D(4)
G 5 A7 E1 0
DQ3 D(3)
G 6 A6 E9
D(2)
DQ2
H4 A5 F 1 0
D(1)
DQ1
H5 F 9
A4
D(0)
DQ0
G 7 A3
G 8 A2 D5
T 1
G 9 A1 D6
T 2
H6 A0 E7
T 3
F 6
T 4
C5 F-A21
A3 F-A20 A1
NC1
H7 _F1-C E A2
NC2
H10 _F2-C E NC3 H1
D8 S-CE2 H2
NC4
G10 _S-CE1 NC5 H3
F 4 _S-U B A10
NC6
F 3 A11
_S-LB
NC7
A12
NC8
E3 _F-W P H11
NC9
D4 _F-RSP H12
NC10
C4 _F-RY/BY 1
NC11
2
NC12
F 5 _S-O E
H9 D3
_F-O E
GND
B8 _S-W E A9
GND
C3 H8
_F-W E GND
3 45
SAMSUNG Proprietary-Contents may change without notice
5 6
VCC D
R50 5
NC
FLASH_RESET
R50 7
C504
0
33N F
RS T
MEMORY
Changed by Date Changed
2002.11.13
user12
6
6-17
SGH-S300 Fl ow Chart of Troubl eshooti ng and Ci rcui t Di agram s
7 8
VCCD
C518 C519
100N F 100N F
MEM_RST
Engineer
COMPANY NAME
SEOY H
Address
Drawn by
City
SEOY H
R&D CH K
TITLE :
DOC CTRL CH K
SGH-S30 0
MFG ENGR CH K
Time Changed QA CH K Drawing Numbe r
R E V
Shee to
6:02:44 pm
7 8
A
B
C
D
E
F
Size
A3
f
5 10