NEC AccuSync LCD71VM Service Manual page 124

MODEL LCD71VM / LCD71V SCHEMATIC DIAGRAM MAIN BOARD (Display) (1/4)
+5V
R464 10K
R465 10k
R466 10k
R467 10k
R468 10k
R469 10k
R470 10k
R471 NC
SH-2 LED_A
SH-2 LEFT
SH-2 MENU
SH-2 POWER
SH-2 AUTO
SH-2 RIGHT
SH-2 PWM0
SH-2 AUDIO_VOLUME
LED_A R457 10K
+3V3
PBIAS
SH-2
R462
R451
10K
100
1 Q404
2SC2412K
LED_Green
LED_Amber B411 120R
LED_Green B412 120R
MENU
B413 120R
LEFT
B414 120R
RIGHT B415 120R
AUTO B416 120R
POWER B417 120R
C457
0.1u
+5V
+ C475
R453
680U
10V 47K
GND
R454 4K7
1
Q405
SH-2 PPWR
MMBT3904L
GND
+3V3
PWM0
LED_A
LEFT
MENU PWM0 R448 10K
1
POWER
AUTO
C456
RIGHT
PWM0
NC
AUDIO_VOLUME
GND GND
+3V3
R463
NC
R450
100
1 Q406
2SC2412K
SH-2 LVDS_O[0..9]
LED_Amber
SH-2 LVDS_E[0..9]
S405
1
2
3
4
5
6
7
8
9
HEADER 9
C458 C459 C460
0.1u 0.1u 0.1u
C461 C462 C463
0.1u 0.1u 0.1u
GND
U409 HAT1053
B420
PVCC
6
5
120R R434
4 2
1 C473 C474
33p 33p NC
GND
GND
5VDD
+5V
POWER
S403
R445
6
5
NC
4
3
R446
2
BKLT_EN
10K 1
HEADER 6
BKLT_ADJ
GND
Q401
2SC2412K
GND
R449
LVDS_O0
LVDS_O1
LVDS_O2
LVDS_O3
LVDS_O4
LVDS_O5
LVDS_O6
LVDS_O7
LVDS_O8
LVDS_O9
LVDS_E0
LVDS_E1
LVDS_E2
LVDS_E3
LVDS_E4
LVDS_E5
LVDS_E6
LVDS_E7
LVDS_E8
LVDS_E9
+5V
R460
1K
R461
Audio_Volume R459 10K
1
Q407
2SC3412K
+ C484
C477
NC
NC
102P C478
GND GND
TO AUDIO
10-1
+5V
B419
120R
1 2
+ C469 C470 + C471 C472
680U 680U
103P 103P
10V 10V
GND
BACK-LIGHT
Q402
R447 NC
1
PBIAS SH-2
NC
0
4.7K
SH-4
VOLUME
+ C476
4.7UF
25V
CLOSE TO PWM
GND
PVCC
S404
RXO0-
30
RXO0+
29
RXO1-
28
RXO1+
27
RXO2-
26
RXO2+
25
24
RXOC-
23
RXOC+
22
RXO3-
21
RXO3+
20
RXE0-
19
RXE0+
18
17
RXE1-
16
RXE1+
15
14
RXE2-
13
RXE2+
12
RXEC-
11
RXEC+
10
RXE3-
9
RXE3+
8
7
6
5
4
3
2
1
header 30
GND
TO PANEL