NEC LCD1711M Service Manual page 58

SCHEMATIC DIAGRAM (POWER CIRCUIT)
12VBL +12VA
JP2
L4 22uH
1
2
3
4
C293 C11
POWER
0.1uF 100uF C12 C342
0.1uF 0.1uF
/16V
17" Panel
(PV870C)
+5V
L7 0
L9 NC/0 R3 10K
+12VA
(PV880C)
C333
C26
0.1uF
C165
+5V
0.1uF
C171 C27
10uF
0.1uF
1nF
/16V
C164
R73 0.1uF
R5
10K
4.7K
4 PNL_EN
17" Panel
R143
NC/0R
DGND
VGND
AGND
R142 R144
NC/0R
0R
+12VA
L3 L32
C345
22uH NC/BEAD
1nF
U2 SI-8050S
+12VT
1 2
+VIN VOUT
4
VOS
C327
0.1uF C17 C18
0.1uF
100uF/16V C23
5V_MAIN =2.5A
0.01uF
U4
VDDout
1 8
NC D
2 7
S D
3 6
S D
4 5
G D
C24 C172 C25
IRF7204
1nF 0.1uF
10uF/16V
3
1
Q1
2N3904
2
C166
0.1uF
+5V
L17 BEAD
L19 BEAD
L20 BEAD
+3.3VA L29 NC/0R 3.3VD
C299
NC/10uF/16V
(Audio)
L15 R0 Audio12
+5V
L5
150uH L6 22uH
C15 C16
D1 C13 C14 0.1uF 100uF/16V
0.1uF
1000uF/6.3V
IN5820
DVDD_2.5
L8 0
+2.5V
AVDD_2.5
L10 BEAD
C352
0.1uF
C351
C350
0.1uF
0.1uF
L11 BEAD
+3.3VA
L12 BEAD
C348
0.1uF
C347
0.1uF L13 NC/BEAD
C357
0.1uF
Vusb
(USB)
Vtouch
R60 0R
(Touch)
Video5 R61 0R
(Video)
+5V
3
C5 C6
100uF/16V 0.1uF
+5V
C344
0.1uF
C19 C170
0.1uF 1nF
(GM5020)
+5V
C28
0.1uF
PVDD_3.3 (GM5020)
AVDD_3.3
C346 0.1uF
Video3.3 (Video)
C349 C336
0.1uF
0.1uF
R89 0R
R88 0R
+3.3VA
U1
RC11173
2
VI VO
C8
C7
100uF/16V
0.1uF
U3
RC1117
3 2
VI VO +2.5V
C20 R1 C22
100uF/16V C21 100uF/16V
0.1uF
510
R2
510
U5 +3.3VD
AIC1084
3 2
VIN VOUT
C30
R4
C29 C334
100uF/16V
0.1uF
200/1% 0.1uF
3.3V_MAIN MAX 5A
R6
330/1%
+3.3VD DVDD_3.3
(GM5020)
L16 BEAD
+3.3V
(SDRAM) C354
L18 0R 0.1uF
C353 C337
0.1uF
0.1uF