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NEC LCD1711M Service Manual page 58

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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

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