NEC MultiSync LCD1700NX A Service Manual page 193

SCHEMATIC DIAGRAM INTERFACE BD (Power 1) (6/7)
+5V
R373
NC
R374 0 R375 10K
2
5 PWM
C529
2 PWM1
10uF/16V
R378
NC
PGND
7 PVCC1
-BKLT_EN
2 -BKLT_EN
0.1uF 0.1uF
C541 C542 C543
P311
1
2
3
4
5
6
7
8
9
HEADER 9
EXTERNAL
AUDIO
GND
1.447A W/O audio load
F301
FUSE
P312
DC JACK
+5V
R371 4K7 R372 100
2
Q308
SST3904
SST3906
Q309
R377
2K2
PGND
I327A 0.1uF
LM358
C535
3
1
2
GND
+5V
0.1uF
0.1uF
C544
R386
33
SDA
MUTE
LVCC
R387
33
SCL
2 1
FB329
HH-1M3216-121JT
+19V
L314
FB330
D347 SS34 56uH
W4B
C554
C552
0.1uF 0.1uF
FB332
W4B
PGND
R376 100
0.93A
FB326
W4B
FB327
W4B
PGND
C530 C531 C532
10uF/16V 0.1uF
0.1uF
+5V
SDA
2,4 SDA
SCL
2 SCL
MUTE
2 MUTE
LVCC
2 LVCC
1 2
FB328
HH-1M3216-121JT
L313
STC222B
1 2
0
R385
2 USB_EN
D342
ZD5.6B
I322
LM2596
2
1
VIN VOUT
D343
SS34
C556
0.1uF
PGND
10-6
P308
1
2
3
INVERTER
4
5
6
HEADER 6
C533 C534 2.0 mm pitch
680uF/25V
0.1uF
R381
R380
4K7
4K7
P309
R383
33
1 C536 47pF
2 C537 47pF
R384 33
3
4 INTERNAL
5
C538 0.1uF
6
AUDIO
7
8
C539 C540
0.1uF 0.1uF 8 HEADER
GND
P310
1
2
3
4
USB
5
6
7
8
9
C545 C546
0.1uF 0.1uF HEADER 9
PGND
VCCF
L315 L316
WB453215B121QST
56UH RING CORE(DIP)
5.6uH
1 2
C560
0.1uF
WB453215B121QST
2.155A
+5V 2,3,4,7,9
FB331
1 2
+5V
FB333
1 2
GND