NEC LCD1711M Service Manual page 61

SCHEMATIC DIAGRAM (u-Processor)
+5V
RP1
1 8
2 7
3 6
4 5
RP2
10KX4
1 8
2 7
3 6
4 5
10KX4
+5V
C59
10uF/16V
RESET
D10 R35
10K
1N4148
1 PNL_EN
2,5 /RESET
3 DDCSDA
3 DDCSCL
NC/10uF/16V
X1 C60 C61
22pF 22pF
24MHz
+5V
R40 R41
U9
10K 10K
8
VCC
7
WP
SCL
6
SCK
SDA
5
SI
24LC16B
GND
SCL
SDA
HDATA0
HDATA1
HDATA2
HDATA3
HCLK/SCL
HFS/SDA
/IRQ
U8
HDATA0
2
P1.0/T2
HDATA1
3
P1.1/T2EX
HDATA2
4
P1.2/ECI
HDATA3
5
P1.3/CEX0
HCLK/SCL
6
P1.4/CEX1
HFS/SDA
7
P1.5/CEX2
PNL_EN
8
P1.6/CEX3/WAIT#
/RESET
9
P1.7/CEX4/A17/W
10
RST
DDCSDA
11
P3.0/RXD
DDCSCL
13
P3.1/TXD
/IRQ
14
P3.2/INT0#
PWR_SW
15
P3.3/INT1#
C280 SDA
16
P3.4/T0
SCL
17
P3.5/T1
18
P3.6/WR#
19
P3.7/RD#/A16
XTAL2
20
XTAL2
XTAL1
21
XTAL1
22
VSS
R39
1
P4.2
SW1
12
P4.3
23
P4.0
34
P4.1
100
W78E5 16B
GND
+5V
1
A0
2
A1
C66 C67
3
A2
4
VSS
0.1uF 0.1uF
GND
GND
SCL 2
SDA 2
HDATA[0..3] 5
PWR_SW
HCLK 5
HFS 5
/IRQ 5
LEDG
24
A8/P2.0
LEDR
25
A9/P2.1
SW1
26
A10/P2.2
SW2
27
A11/P2.3
SW3
28
A12/P2.4
SW4
29
A13/P2.5
BLON/
30
A14/P2.6
31
A15/P2.7 DVI_5V
32
PSEN#
R38 NC
33
ALE/PROG#
LVDS_EN
36
LVDS_EN 7
AD7/P0.7
MUX_SW
37
AD6/P0.6 MUX_SEL 3
DCSCL
38
DCSCL 2
AD5/P0.5
DCSDA
39
AD4/P0.4 DCSDA 2
R99 NC
40
AD3/P0.3 VGA_5V
41
AD2/P0.2
+5V
42
AD1/P0.1
43
AD0/P0.0
44
VCC
35
EA#/VPP
+5V
+5V
C294
0.1uF
NC/10K
R150
14
GND
BLON/ BLON
1 2
R90 1K
7
C167
U22A
0.1uF
74ACT14
GND GND
R149 NC/0R
JP9
R145 BEAD
LEDRED
1 2
3 4
MENU
5 6
KEY+
7 8
C168
HEADER 4X2
10uF/16V
C329 (KEYPAD)
C328
220pF
220pF
GND
GND
GND
R138 BEAD
R139 BEAD
R140 BEAD
R141 BEAD
MENU
SELECT
KEY+
KEY-
C62 C63
220pF 220pF
GND
R87 NC
U22D
8
LEDG 9
R84
74ACT14
U22E
11 10
LEDR
R85
BLON1
74ACT14
R86 NC
LEDGRN
SELECT
KEY-
C169
GND
10uF/16V
C330
220pF
GND
GND
+5V
C356
0.1uF
RP3
GND
10KX4
RP4
SW1
1 8
SW2
2 7
SW3
3 6
SW4
4 5
1KX4
C64 C65
220pF 220pF
R33 BEAD
200
LEDGRN
LEDRED
200 R34 BEAD
R37
R36
10K 10K
GND