NV-U74
NV-U74
27
27
5-11. SCHEMATIC DIAGRAM - MAIN Board (6/10) -
• See page 19 for Waveforms. • See page 33 for IC Block Diagrams.
3
3
2.9
2.9
2.9
2.9
2.9
2.9
0
2.9
0
3.2
3.2
2.9
2.9
2.9
2.9
1.5
2.9
3.2
3.2
XOE_FLASH
R0109
100k
XWE_FLASH
R01
10
100k
C0116
0.1
R0111
100k
22
R0101
FL0001
FL0002
FL0004
FB0002
0.1
C0002
0.1
C0003
RB715W-TL
D0101
4.7
C0005
C0004
1
B1
C1
D1
E1
J3
J2
K2
L2
B3
C2
C3
K3
G1
H1
J1
K1
A4
A5
A6
B5
B6
B4
C6
C5
J4
J6
J5
K6
K4
K5
L5
L4
L3
D6
C4
A3
B2
G6
F1
A2
L1
D2
D5
E6
F6
H2
H5
H6
X0101
FL0003
R4013
0
22
R0206
0
R4021
R0201
68
22
R0205
BU3V2
0
R4026
22
R0204
SYS3.2V
22
R0203
S-1167B15-M5T1G
IC0111
1
2
3
4
5
S-1323B2JNB-N9QTFG
IC01
12
1
2
3
4
15nH
L0103
0.1
C0131
4.7
C0108
4.7
C0109
JL0201
GPS_TXD
GPS_RXD
XGPS_RESET
GPS_RAM_CLEAR
TC7SZ126FU(TE85R)
IC0203
1
2
3
4
5
TC7SZ126FU(TE85R)
IC0201
1
2
3
4
5
0.1
C0201
0.1
C0203
0.1
C0202
JL0211
JL0212
JL0213
10k
R0208
JL0214
JL0210
ET005
TC7WH126FK(T5RSOYF
IC0202
1
2
3
4
5
6
7
8
GND
ED15
ED4
ED14
ED1
ED10
ED3
ED2
ED9
ED0
ED8
ED7
ED11
ED6
ED5
EA0
EA1
EA2
EA3
EA4
EA5
EA6
EA8
EA9
EA10
EA11
EA12
EA13
EA14
EA15
EA16
EA17
ED12
ED13
EA7
1
2
3
5
6
7
8
9
10
11
12
13
14
15
(CHASSIS)
(6/10)
MAIN BOARD
IC0202
BUFFER
IC0112
+2.85V REGULATOR
IC0203
BUFFER
IC0201
BUFFER
IC0111
+1.5V REGULATOR
A
10
1
2
H
B
13
11
C
7
8
I
14
F
9
6
4
3
G
D
5
E
12
16.369MHz
Note:
IC0102 cannot exchange with single. When this part is dam-
aged, exchange the entire mounted board.
Summary of Contents for NV-U74
Page 57: ...MEMO NV U74 57 ...