NEC MultiSync LCD1700NX A Service Manual page 188

SCHEMATIC DIAGRAM INTERFACE BD (Micro Controller) (1/7)
VCCF
47uF/16V C301
+5V
0.1uF
C302
I301
1 8
NC NC
I326A
2 7
NC VCC
3 6 1
NC RST
4 5
GND DLY
74HCT04
SMD
C305
M51953A
27nF
GND
+5V GND
P301
1
RXD
2
TXD
3
4
Gprobe
GND
Connector
+5V
R307 C306
R308
0.1uF I305
4K7 4K7
8
VCC
R309 47 7
WP
SCL 6
SCK
SDA 5
SI
R310 47
C310
C309 DIP TYPE
47pF
47pF
[ SOCKET ]
GND
SCL
SCL 4,8
SDA
SDA 4,8
+5V
R315
LEDGRN
10K 10K
+5V
RN304 RN305
R318
LEDAMB
PWR_SW
1
GPIO7 2
GPIO6 3
GPIO5 4
RN306
GPIO4 1
GPIO3 R395 *0 2
GPIO2 3
4
GPIO0
RN307
GPIO7
GPIO6
GPIO5
GPIO4
GPIO3
GPIO2
GPIO1
GPIO0
GPIO[0..7]
5,8 GPIO[0..7]
+5V
RN301 4K7
1 8
2 7
3 6
4 5
C585
0.1uF
RN303 10K
1 8 HCLK-SCL
2 GND 2 7 HFS-SDA
3 6
4 5
HDATA0
HDATA1
HDATA2
HDATA3
HCLK-SCL
HFS-SDA
BANK
PWM1
8 PWM1
RST
RXD
TXD
-IRQ
PWR_SW
S0:KS24L161
SDA
S1:AT24C16
SCL
1 P3.6
A0
2 DDC-GND
3 DDC-GND
A1
3 XTAL2
A2
4 XTAL1
VSS
C308
22pF
GND X301
C314
24MHz
22pF
R313 470
Q301 SST2222A
3 1 LEDGREEN
C316
C317 4.7uF/25V
4K7
0.1uF
GND
R317 470
Q304 SST2222A
3 1 LEDAMBER
C319
C320 4.7uF/25V
4K7
0.1uF
GND
POWER
8
7 +
6 -
down
5
100 MENU
8
7
6
5
100
PWM 5,8
C322 C323 C324 C325
10nF 10nF 10nF 10nF
C326 C327 C328 C329
10nF 10nF 10nF 10nF
-RESET
RN302 33
HDATAF0
1 8
R303 33
2 7 HDATAF1
HDATAF2
3 6
HDATAF3
4 5
R304 33
I302
2 24 A8
P1.0/T2 A8/P2.0
3 25 A9
P1.1/T2EX A9/P2.1
A10
4 26
P1.2/ECI A10/P2.2
5 A11
27
P1.3/CEX0 A11/P2.3
6 28 A12
P1.4/CEX1 A12/P2.4
7 29 A13
P1.5/CEX2 A13/P2.5
8 30 A14
P1.6/CEX3/WAIT# A14/P2.6
9 A15
31
P1.7/CEX4/A17/W A15/P2.7
10 32 -PSEN
RST PSEN#
33 ALE
ALE/PROG#
11
P3.0/RXD
13
P3.1/TXD
14 36 D7
P3.2/INT0# AD7/P0.7
15 37 D6
P3.3/INT1# AD6/P0.6
16 38 D5
P3.4/T0 AD5/P0.5
D4
17 39
P3.5/T1 AD4/P0.4
18 D3
40
P3.6/WR# AD3/P0.3
19 41 D2
P3.7/RD#/A16 AD2/P0.2
20 42 D1
XTAL2 AD1/P0.1
21 43 D0
XTAL1 AD0/P0.0
22
44
VSS VCC
1 35
NIC EA#/VPP
12
NIC
23
NIC
34
NIC
SM89516C25J
R312
GND
4k7
I326B
A15 3 4
74HCT04
SMD
I326C
P3.6 5 6 1
2
74HCT04
SMD
P302
4
LEDGREEN
1
5
LEDAMBER
2
POWER
3
+
4
-
5
down
6
MENU
7
8
9
10
11
12
HEADER 12
10-1
R305
C303 100pF
47
GND
R306 C304 100pF
47
A[8..15]
BANK
A15
A14
A13
A12
A11
A10
D[0..7]
A9
A8
I304
D7 2 19 A7
D1 Q1
D6 3 18 A6
+5V 3,4,7,8,9 D2 Q2
D5 4 17 A5
D3 Q3
D4 A4
5 16
D4 Q4
D3 6 15 A3
D5 Q5
D2 7 14 A2
D6 Q6
+5V D1 8 13 A1
D7 Q7
D0 9 12 A0
D8 Q8
ALE 11 20
C VCC
1 10
OC GND
+
74HCT573
C313 0.1uF
GND GND GND
I306
USB_EN
D7 2 19
D1 Q1
D6 3 18 MUTE
D2 Q2
D5 4 17
LVCC
D3 Q3
D4 5 16
LEDGRN
D4 Q4
D3 6 15 LEDAMB
D5 Q5
-BKLT_EN
D2 7 14
D6 Q6
LVDS_ON
D1 8 13
D7 Q7
I325A D0 9 12 PANEL_EN
D8 Q8
3 11 20
C VCC
1 10
OC GND
74HCT08
74HCT573
C318 0.1uF
I325B
6 GND
I308
74HCT08 D7
2 19
D1 Q1
D6 3 18
D2 Q2
D5 4 17
D3 Q3
D4 5 16
D4 Q4
D3
6 15
D5 Q5
D2 7 14
D6 Q6
D1 8 13
D7 Q7
D0 9 12
D8 Q8
11 20
C VCC
RST
1 10
OC GND
*74HCT573
C321 0.1uF
GND
-RESET 4,5
HDATAF[0..3] 5
HCLK 5
HFS 5
-IRQ 5
I303
D7
30 21
NC DQ7
2 20 D6
A16 DQ6
3 19 D5
A15 DQ5
29 18 D4
A14 DQ4
28 17 D3
A13 DQ3
4 15 D2
A12 DQ2
25 14 D1
A11 DQ1
23 13 D0
A10 DQ0
26
A9
27
A8
5 22 -PSEN
A7 CE#
6 24
A6 OE#
7 31 +5V
A5 WE#
8
A4
9
A3
10 32
C307
A2 VCC
11 1
A1 VPP
0.1uF
12 16
A0 VSS
HT27C010-70
+5V
GND
USB_EN 8
MUTE 8
LVCC 8
-BKLT_EN 8
LVDS_ON 7
PANEL_EN 7
+5V
+5V