Service manual
0.8A Max
2
31
AIC1084/TO252 TOP VIEW
2
1
AIC1084/TO252 TOP VIEW
3
24
3
RBS31 TOPVIEW
1
1
3
2
MMBT3904L TOP VIEW
Vout=0.8(12K+62K)/12K=4.93
Modify Power AIC 1563 to
AIC 1577
1
D
2
3
B
G
C
E
2
3
S
1
1
2
3
線
1,
線
2
的地要拉回點
3,D28 L28 C216
要互相靠近
整塊線路靠近
CN6,C169,C170
更要靠近
CN6
ON/OFF
ADJ
ON/OFF
ADJ
PBIAS5
BRIGHTNESS5
PPWR5
SWITCH 5
INVSW5
USB_CTRL 4
+5V
+5V
+5V
+12V
Panel_Power
+3.3V
+2.5V
+1.8V
+5V
+18V
+20V
+5V
+5V
+3.3V
+3.3V
+5V
+12V
+18V
+20V
+12V
USB_VDD
+5V
USB_VDD
R179 220R
C200
1nF
R217
24K
C199
330pF
Q7
MMBT3904/NC
2
3
1
R218
12K/1%
R219
62K/1%
U20
AIC1084/TO252
1
23
ADJ/GND
VOUTVIN
R162 4.7K
R181
147R/1%
R170 4.7K/NC
C201 1nF
+
C188 100u/16V
Q4
AO4411
2
3
4 5
7
6
81
CN6
ENTERY_3273-G04N
12
34
L16
CX000800000/NC
C203
0.1u
R180
330/1%
C175 0.1u
Q5
MMBT3904
2
3
1
+
C187 100u/16V
1
H1 MTH276D126
2
3
4
5 6
7
8
9
1
H2 MTH276D126
2
3
4
5 6
7
8
9
1
H3 MTH276D126
2
3
4
5 6
7
8
9
C173 0.1u
R169
330/1%
L26
CX000800000
+
C184 100u/16V
C174 330u/16V
R1674.7K/NC
L18
CX000800000
CN7
4500-8P-R
1
2
3
4
5
6
7
8
R176
200/1%
R222
47
R166
200/1%
+
C181 100u/16V
R168 0R
L29
CX000800000
1 2
L20
CX000800000
R216
0/NC
R221
2.2K
L30
CX000800000
1 2
C186 0.1u
R1584.7K
Q8
MMBT3904
2
3
1
R17310K
U18
LT1117/TO223
23
1 4
VOUTVIN
ADJ/GND 4
U16
AIC1084/TO252
1
23
ADJ/GND
VOUTVIN
C208
0.1u
L23
CX000800000
R161 0R(NC)
+
C185 100u/16V
R174
200/1%
L28 100uH
12
C1661u
+
C180 100u/16V
C205
330u/16V
C206
1000u/6.3V
C209
0.1u
C214220u/35V/NC
C215 0.1u/NC
U24
MC7818/CASE936/NC
31
2
VOUTVIN
GND
L32
CX000800000/NC
1 2
C204
330u/16V
C167
2200P/6
12
Q10 SI2301DS
3
2
1
C211
0.1u
R83
10K/6
Q3
DTC144EUA
2
31
R82
82K/6
D28
SPL1040PT
1
2
3
U23
AIC1577
1
2
3
4 5
6
7
8
CS
ITH/RUN
FB
GND SW
DRI
BOOST
VIN
C168
2200P/6
1 2
C216
1000u/6.3V
C170
330U/16V
C169
0.1U/6
12
C207220u/35V/NC
R177 4.7K
R17810K
R84
10K/6
Q9 AF4410N
2
3
4 5
7
6
81
L17
CX000800000/NC
U19 RBS31
1
2 3
4
R220
0R
L25
CX000800000
C210
1nF
R175 100K
C202
0.1u
1
H4 MTH276D126
2
3
4
5 6
7
8
9
Model
Title
Date Rev:
ViewSonic Corporation
POWER
Viewsonic Corporation 74 VP2130b-1
Confidential - Do Not Copy