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NV-U74
NV-U74
23
23
5-7. SCHEMATIC DIAGRAM - MAIN Board (2/10) -
• See page 33 for IC Block Diagrams.
MD18
DQM1
MD25
MD17
XSDCAS
XSDCS0
SDCLK1
MD7
MD15
K4M561633G-BN75T
IC1502
A9
A8
A7
B9
B8
B7
C9
C8
C7
D9
D8
D7
E9
E7
E8
F9
F7
F8
G9
G7
G8
H9
H7
H8
J8
J7
J9
J1
J3
J2
H3
H2
H1
G3
G2
G1
F3
F2
F1
E2
E3
E1
D3
D2
D1
C3
C2
C1
B3
B2
B1
A3
A2
A1
MA13
MD23
MD2
0
R1501
MD10
MD16
MA12
MD30
SYS3V
0.1
C1517
0.1
C1515
0.1
C1519
MA23
XSDRAS
MD22
BU3V2
MA18
MD3
0.1
C1510
NOR_XWP
TP1501
MD19
MD8
MD28
K4M561633G-BN75T
IC1503
A9
A8
A7
B9
B8
B7
C9
C8
C7
D9
D8
D7
E9
E7
E8
F9
F7
F8
G9
G7
G8
H9
H7
H8
J8
J7
J9
J1
J3
J2
H3
H2
H1
G3
G2
G1
F3
F2
F1
E2
E3
E1
D3
D2
D1
C3
C2
C1
B3
B2
B1
A3
A2
A1
MA16
NOR_XCS
MA19
MD26
MA11
MD31
0.1
C1520
MD1
0
R1502
XRESET_OUT
MD12
DQM0
MD29
MD21
0.1
C1514
C1501
1
MD0
MA15
0.1
C1512
DQM2
MA10
MD27
FB1501
MD14
C1507
0.1
0.1
C1522
100k
R1504
XWE
MD5
MD11
MD20
SDCKE
MD9
MD24
MA21
MA24
0.1
C1504
MA22
MA20
DQM3
MD13
XOE
MD6
MA17
MA14
MD4
C4
D3
D4
C3
B2
E6
D6
C6
A6
B6
D5
C5
A5
B5
A2
C2
D2
B1
A1
C1
D1
E1
G6
F5
G5
F4
G3
F3
G2
F2
E5
H5
E4
H4
H3
E3
H2 DQ1
E2 DQ0
F1 XCE
G1 XOE
A4 XWE
B3 XWP/ACC
B4 XRESET
A3 RY/XBY
F6 XBYTE
G4 VCC
H1 VSS
H6 VSS
MA7
MA2
MA8
MA9
MA3
MA4
MA6
MA5
MA1
GND
MD7
MD22
MA18
MD7
MA17
MD4
MD13
MD29
MD8
MD15
MD22
MA15
MA13
MA23
MA13
MA24
MA14
MA14
MD25
MD31
MD27
MD19
MA22
MA24
MD12
MD6
MA12
MA21
MA21
MD17
MD5
MD21
MA12
MA16
MA17
MA23
MA19
MD13
MD15
MA13
MA16
MD17
MD11
MD2
MA18
MD24
MD20
MD1
MA19
MA22
MD21
MA12
MD5
MD6
MD3
MD25
MD24
MD31
MD14
MA20
MD8
MA20
MD18
MD0
MD12
MA23
MD28
MD1
MD1
MD23
MD16
MD7
MD16
MD9
MA19
MD26
MD4
MD19
MA11
MD20
MD10
MD29
MD9
MD0
MA20
MD10
MA15
MD1
1
MA22
MD14
MD0
MD12
MD11
MA17
MA11
MD13
MD23
MA14
MD26
MD9
MA10
MD30
MA11
MD2
MD30
MA16
MA15
MD8
MD3
MA21
MA10
MD27
MA18
MD18
MD28
MD10
MD14
MD15
MD6
MD5
MD4
MD3
MD2
MA1
1
MA12
MA13
MA14
MA15
MA16
MA17
MA18
MA19
MA20
MA21
MA22
MA24
MA10
MA9
MA8
MA7
MA6
MA5
MA4
MA3
MA2
MA1
MA10
MA9
MA8
MA7
MA6
MA5
MA4
MA3
MA2
MA1
(2/10)
MAIN BOARD
IC1502
SD-RAM
SD-RAM
IC1503
A
10
1
2
J
H
B
13
11
L
C
7
8
I
14
F
9
6
K
4
15
3
G
D
5
E
12
CSP
(Chip Size Package)
CSP
(Chip Size Package)
FL1502
FL1503
FL1501
Note:
IC1502, IC1503 and IC1504 cannot exchange with single. When these parts
are damaged, exchange the entire mounted board.
Содержание NV-U74
Страница 57: ...MEMO NV U74 57 ...