NEC AccuSync LCD71VM Service Manual page 125

MODEL LCD71VM / LCD71V SCHEMATIC DIAGRAM MAIN BOARD (Input) (2/4)
VGA_5V +5V
D401
RB495D
DNP
5V_VGA
C401
R404 R405
0.1uF
U401
47K 2K7
1 8
A0 VCC
GND
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
24AA02
GND
ANALOG DDC
ZD405
UDZS5.6B
R421
10K
R423
WP
0
R431
NC
GND
VGA_5V
P401
VGA_SCL
R402 100R 15
5
10
14
4
9
13
3
8
VGA_SDA
R407 100R 12
2
7
11
1
6
D402
DB15 HD
ZD406
UDZS5.6B AGND AGND
DAN217/T146
GNDGND
SHEET 2
ZD401
UDZS5.6B
GND
B423 0
A-BLUE
B424 0
A-GREEN
B425 0
A-RED
D403 D404
+3.3V +3.3V +3.3V
AGND AGND
DAN217/T146 DAN217/T146 AGND AGND AGND AGND AGND AGND
Near VGA pins
B401
A-HS
430R
B402
A-VS
430R
ZD402 C408 C409
47p 47p
UDZS5.6B
GND
R441 0
R442 0
AGND GND
10-2
VGASCL
VGASDA
R403 75R C402 0.01uF
1% C403 0.01uF
R406 75R C404 0.01uF
1% C405 0.01uF
R408 75R C406 0.01uF
1% C407 0.01uF
+3.3V
GND
TP401
C410
0.1uF
AGND AGND AGND GND
GND
U402A U402B
R479
R415 20R 1 2 3 4
1%
74F14 74F14
R480
R416 20R
1%
GND
U402C U402D
5 6 9 8
74F14 74F14
HCLK SHEET 2
HFS SHEET 2
BLUE+ SHEET 2
BLUE- SHEET 2
GREEN+ SHEET 2
GREEN- SHEET 2
RED+
SHEET 2
RED- SHEET 2
HS
TP402
100R
HS SHEET 2
VS
TP403
100R
VS SHEET 2
C482 C483
NC NC
GND GND