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C935
0.01uF
C906
0.0015uF/2KV
GND
R904
1M
Ω
1/4W
R905
1M
Ω
1/4W
INR
R911
4.7K
Ω
1/16W
R902
1M
Ω
1/16W
R925
3.6K
Ω
1/10W
C910
0.1uF
F901
FUSE
R913
NC
Q901
2PA733P
CN302
CONN
1
2
3
12V
SG6841
IC901
SG6841
13
4
7
2
5
6
8
C913
0.0047uF/250V
5VA
C927
0.1uF
C920
0.001uF/500V
O
O
O
T901
POWER X'FMR
1
9
3
5
6
7,8
7,8
10,11
C909
0.1uF
GND
C928
0.1uF
IC903
HTL431
R912
100
Ω
1/16W
C921
0.001uF/500V
D904
1N4148
ON/OFF
C901
0.001uF/160V
R924
33K
Ω
1/10W
R901
1M
Ω
1/16W
t
NR901
NTCR
DIM
R922
47
Ω
1/4W
ZD901
RLZ20B
C908
0.1uF
R918
20K
Ω
1/4W
+
C924
470uF/16V
R914
NC
D912
31DQ06
R926
24K
Ω
1/10W
L904
GND
CN301
PHONEJACK
5
1
2
4
3
R928
1K
Ω
1/10W
ZD905
RLZ20B
R908
10
Ω
1/16W
C902
0.001uF/160V
D903
1N4148
+
C922
1000uF/16V
GND
SW_ON/OFF
CN902
NC
1
2
C936
0.1uF
R910
4.7K
Ω
1/16W
R920
47
Ω
1/2W
+
C907
10uF
D910 31DQ10
Q903
2SK2996
+
C905
100uF/400V
D905
1N4148
CN901
SOCKET
1
2
3
R931
1K
Ω
1/16W
-+
BD901
2KBP06M
1
4
3
2
L903
F902
FUSE
D902
PS102R
R927
1K
Ω
1/10W
CN102
CONN
1
2
3
4
5
6
7
8
9
10
11
12
L902
L
1
4
2
3
C911
0.001uF
R907
1M
Ω
1/4W
FB903
BEAD
R930
470
Ω
1/4W
C904 0.47uF/250V
GND
5V
+
C925
1000uF/16V
TO INVERTER
ZD903
HZ5C1
FB901
BEAD
IC902
PC123FY2 4P
1
2
4
3
R903
100K
Ω
2W
R909
4.7K
Ω
1/16W
R906
1M
Ω
1/4W
INL
+
C926
470uF/16V
R929
0
Ω
1/16W
R915
10K
Ω
1/16W
R919
0.39
Ω
2W
R916
24K
Ω
1/10W
FB902
BEAD
ZD902
HZ12B2
Q902
2PC945P
D901
FR107
R917
JUMPER
1
2
C912
NC
ZD904
SML4737A/1
D906
1N4148
48
ViewSonic Corporation
Confidential - Do Not Copy
VA502mb-1
Model
Title
Date
Rev:
ViewSonic Corporation
POWER
Summary of Contents for VA502mb-1
Page 10: ...7 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 13: ...10 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 14: ...11 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 16: ...PIN Descriptions 13 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 18: ...Block Diagram PIN Function 15 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 38: ...5 7 Packing Procedure 35 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 42: ...39 ViewSonic Corporation Confidential Do Not Copy VA502mb 1 6 Troubleshooting Flow Chart...
Page 43: ...7 Block Diagram 40 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 53: ...9 PCB Layout Diagrams MAIN BOARD 50 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 54: ...POWER BOARD 51 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 56: ...53 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 57: ...AUDIO BOARD 54 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 58: ...KEY BOARD 55 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 61: ...58 ViewSonic Corporation Confidential Do Not Copy VA502mb 1 Packing for Shipping...