10.
8
.
A/D POWER
2.2K 1%(5V)
2K(5V)
(OPTION)
1S4(option)
11EQS04(OPTION)
(0.68/2W)
(VA721)
OPTION
27V(OPTION)
(R851)
(39K TO
5V1206)
(330P)
OPTION
OPTION
6.8/1W
option
270/1206
220/1206
OPTION
PN2907A
DIP
OPTION
OPTION
OPTION
OPTIONOPTION
OPTION
OPTION
1.81K(VP720)
OPTION 3.9K
OPTION SRF20120
1.6K
Brightness
ON/OFF
12V
5V / 3.3V
L805
ET-20
L806
bead
+
C824
1000UF
10V
R851
NC
L801
BEAD
C811
1000P/DIP
R831
110K 1%
C826
4700PF/DIP
D801 2A07
R850
4.7K/SMD
1206
D813
1N4148/DIP
R824
24.9K 1%(5V)/1206
8.25K 1% (3.3V)
R805
910K
1206
Q806
MMBT3904
SMD
D804 2A07
D809
IN4148/DIP(3.3V)
1N4148(5V)
D803 2A07
L807
JP
D802 2A07
C808
180P/DIP
C806
1000PF/1KV
DIP
C831
10000PF
R836
100K/1206
L804
JUMPER
R833
100K/1206
C803
4700pF
R834
100K/1206
C807
0.1uF
R823
1K/DIP
D821 SRF10120
+
C809
10uF/50V
R843
511K/1206
R848
1K/SMD
1206
R821
10 1/2W
DIP
L803
5.2uH
Q805
MMBT3906
SM
D
D808
30V(3.3V)
30V(5V)
I801
LD7552
6
5
8
2
4
1
7
3
Sense
RT
Driver
FB
RI
GND
VDD
VIN
D816
1N4148/DIP
R825
13K 1%
1206
C821
1000PF/1Kv
DIP
R808
133K 1%/1206
R849
3.92K/SMD
1206
C804
NC
D807
1U4G
T2.5A/250V
F801
C813
0.01UF
500V
C801
0.47uF
D823
SR36
Q804
MMBT3906
SM
D
R812
1M /1206
C820
1000PF/1KV
DIP
D824
NC
R807
39/1206
I802
TLP621
4
3
1
2
R803
1M /1206
+
C810
33uF/50V
R806
511K/1206
Q803
MMBT3904
SM
D
Q801
AP03N70F-A
R835
100K/1206
R830
1.18K 1%(3.3V)
DIP
R816
681/1206
+
C839
1uF/50V
D805
NC
R826
5.6K
1206
P802
1
2
3
4
5
6
7
8
10
9
GND
Volume
Mute
GND
5V/3.3V
5V/3.3V
DIM
ON/OFF
12V
NC
D822
SR36
R842
NC
1206
R839
911K/DIP 1/2S
R852
(10K)
1206
R804
511K/DIP 1/2S
S801
AC IN 100~240V
N
L
FG
+
C805
100uF
400V
R839
NC
+
C823
470uF/25V
C812
10000P/DIP
C802
4700pF
D812
1N4148/DIP
L802
3T
R840
3K/DIP
+
C825
470uF
16V
R844
910K /1206
R820 22 1/2W
DIP
R828
3.65K 1%
DIP
+
C822
1500uF/16V
R846
2K/DIP
R802
10 3A
R847
1/1W
R801 NA
R845
1K/DIP
T801
ER28
3
5
4
1
7,8
10
11,12
9
R811
0.62/ 2W
R832
1K/1206
Q802
MNMBT2907A
C845
0.1uF/50V
DIP
D806 BYV26C
R809
47R/1206
TL431D
I803
L808
3T
ViewSonic Corporation Confidential – Do Not Copy VP720-1_VP720b-1
83
Model
Title
Date
Rev:
ViewSonic Corporation
POWER
Summary of Contents for VP720-1
Page 75: ...ViewSonic Corporation Confidential Do Not Copy VP720 1_VP720b 1 72 ...
Page 88: ...11 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy VP720 1_VP720b 1 85 ...
Page 90: ...11 5 POWER PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy VP720 1_VP720b 1 87 ...
Page 91: ...11 6 POWER PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy VP720 1_VP720b 1 88 ...