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ViewSonic Vp9303 Service Manual

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    Page 71

    Page 71 ViewSonic Corporation Confidential - Do Not Copy VP930-3_VP930b-3 68 N FG LCON1 F1 2A/250V CY1 2200pFCY3 2200pF NTC1 5A/5R CX1 0.33uF R3 360KR1 360K LF2 28mH BD1 2A/600VC1 100uF/400V R8 33K D5 FR107 GND 1FB 2VIN 3RI 4 RT 5 SENSE 6VDD7GATE 8 U1 SG6841 Q1 2SK2645-54 C4 1000uF/16V C3 1000pF R4 10R L1 3.7uH C6 220uF/25V C11 470uF/35V C9 470pF R12 100R L2 3.7uH C14 220uF/25V D4 FR103 C7 10uF/50V ZD2 NC R11 15R R17 0.43R R9 10R 12 43 PC1 LTV817C ZD4 HZK16 ZD5 HZK7AR23 1K C19 0.1uF R18 100R Q3... 
    ViewSonic Corporation
 Confidential - Do Not Copy  VP930-3_VP930b-3 
 68
 
N
FG LCON1
F1
2A/250V
CY1
2200pFCY3
2200pF
NTC1  5A/5R  
CX1
0.33uF
R3
360KR1
360K
LF2
28mH
BD1
2A/600VC1
100uF/400V
R8
33K
D5
FR107
GND
1FB
2VIN
3RI
4
RT 5
SENSE
6VDD7GATE 8
U1  SG6841
Q1
2SK2645-54
C4
1000uF/16V
C3
1000pF
R4
10R
L1
3.7uH
C6
220uF/25V
C11
470uF/35V
C9
470pF
R12
100R
L2
3.7uH
C14
220uF/25V
D4
FR103
C7
10uF/50V
ZD2
NC
R11
15R
R17
0.43R
R9
10R
12
43
PC1  LTV817C
ZD4
HZK16
ZD5
HZK7AR23
1K
C19
0.1uF
R18
100R
Q3...

    Page 72

    Page 72 ViewSonic Corporation Confidential - Do Not Copy VP930-3_VP930b-3 69 R25NC C70805 1U/16V X7RC24 104/16V XC23 0805 1U/16V X7R C14101/50V NPO C8 0603 105/10V C11104/25V R971.5KR7115K R32470K R1633K R120805 10R F1 32V/6.5A R1568K R303K 1% R21 15K Q13904 Q2 DTC144WKA D16.8B D41N4148 C19 820P/25V NPO C13 223/16V X7R D51N4148 R2068K C31NC C28 474/25V C25222/25V R110805 10R C32 1206 4.7U/16V X C331206 4.7U/16V X C34 1206 4.7U/16V X C351206 4.7U/16V X R3112.7K 1% 123456CON16 R100R R14NC R22300K 1%... 
    ViewSonic Corporation
 Confidential - Do Not Copy  VP930-3_VP930b-3 
 69
 
R25NC
C70805 1U/16V X7RC24
104/16V XC23
0805 1U/16V X7R
C14101/50V  NPO
C8
0603 105/10V
C11104/25V
R971.5KR7115K
R32470K
R1633K
R120805 10R
F1
  32V/6.5A
R1568K
R303K 1%
R21
15K
Q13904
Q2
DTC144WKA
D16.8B
D41N4148
C19
820P/25V NPO
C13
223/16V X7R
D51N4148
R2068K
C31NC
C28
474/25V
C25222/25V
R110805 10R
C32
1206 4.7U/16V X
C331206 4.7U/16V X
C34
1206 4.7U/16V X
C351206 4.7U/16V X
R3112.7K 1%
123456CON16
R100R
R14NC
R22300K 1%...

    Page 73

    Page 73 ViewSonic Corporation Confidential - Do Not Copy VP930-3_VP930b-3 70 11. PCB Layout Diagrams MAIN PCB TOP VIEW 
    ViewSonic Corporation
 Confidential - Do Not Copy  VP930-3_VP930b-3 
 70
 
11. PCB Layout Diagrams  
MAIN PCB TOP VIEW

    Page 74

    Page 74 ViewSonic Corporation Confidential - Do Not Copy VP930-3_VP930b-3 71 MAIN PCB BOTTOM VIEW 
    ViewSonic Corporation
 Confidential - Do Not Copy  VP930-3_VP930b-3 
 71
 
 
MAIN  PCB BOTTOM  VIEW

    Page 75

    Page 75 ViewSonic Corporation Confidential - Do Not Copy VP930-3_VP930b-3 72 11. PCB Layout Diagrams CON PCB TOP VIEW CON PCB BOTTOM VIEW 
    ViewSonic Corporation
 Confidential - Do Not Copy  VP930-3_VP930b-3 
  72
 
11. PCB Layout Diagrams  
CON PCB TOP VIEW CON PCB BOTTOM  VIEW

    Page 76

    Page 76 ViewSonic Corporation Confidential - Do Not Copy VP930-3_VP930b-3 73 * Reader’s Response* Dear Readers: Thank you in advance for your feedback on our Servic e Manual, which allows continuous improvement of our products. We would appreciate your completion of the Assessment Matrix below, for return to ViewSonic Corporation. Assessment A. What do you think about the cont ent of this Service Manual? Unit ExcellentGood Fair Bad 1. Precautions and Safety Notices 2. Specification 3.... 
    ViewSonic Corporation Confidential - Do Not Copy  VP930-3_VP930b-3 
 73 
* Reader’s Response* 
Dear Readers: 
 
Thank you in advance for your feedback on our Servic e Manual, which allows continuous improvement 
of our products. We would appreciate your completion  of the Assessment Matrix below, for return to 
ViewSonic Corporation. 
Assessment
 
A.  What do you think about the cont ent of this Service Manual? 
Unit ExcellentGood Fair Bad 
1. Precautions and Safety Notices     
2. Specification     
3....
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