ViewSonic Vp9303 Service Manual

							
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
BT-169
R21
511K
R19
1K
R22
4.75K
C18 1uFU3
TL431
+5V+12V
Q2
3904
R15
1K
C15
0.1uF
ZD1
HZK27
CY4 2200pF
CY2
2200pF
C2
1000pFC8
470pF
+5V
+12V
D2
10A/60VD6
10A/100V
C12
1000uF/16VC13
470uF/35V
C17
820pF
R5
470KR6
470K
R32
120R
R28
NC
R20
100K
U2
TL431
GNDGND
D3
LL4148
R24
1K
LF3  2mH
GND
GND
+12V
+5V
T1
ER28 800uH
R89
1K
C63
470pF
R87
47K
SW1
R2
360KCX2
NC
R30
D8
NC
R29
470K
1234567CON2
CON7
+5VGND
R14
NC
R31
432K
+12V GND
1
6
3
4 7 , 8
11 , 12 9 , 10 7 , 8
MOV1
MOV
Model
TitleDate Rev:ViewSonic Corporation
POWER 
						

							
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%
C6NC
C3
DIP 10M 1/2W
R3422K 1%
C1
470U/25V 8*12
R19100K
T1
EEL-19  11/2000
2
5 8
9
R411206 1K
R8
160K
Q3
DTA143EKA
CR1BAV99
R39
22K 1%
CR2BAV99
C17
103/16V X7R
12
J2
CON2
R1
1206 1.5K
R33
680R 1%
IC1
BIT3193
R35
680R 1%
IC VCC
IC VCC
OP1
R27
15K
D61N4148
C27222/25V
OP2
R28
15K
D71N4148
C29222/25V
OP3
R29
15K
D81N4148
C30222/25V
OP4
IC VCC
Q4
2222
Q5
2907
Q6
2N7002
Q7
45P03Q8
40N03
C2
DIP 15P/3KV
C36
47K 1%
C10NC
C9
DIP 10M 1/2W
CR3BAV99
CR4BAV99
12
J3
CON4
R36
1.2K
C37
47K 1%
C18NC
C16
DIP 10M 1/2W
EEL-19 11/2000
8
9
CR7BAV99
CR6BAV99
12
J5
CON6
R38
680R 1%R40
680R 1%
C15
DIP 15P/3KV
C38
47K 1%
C26NC
C21
DIP 10M 1/2W
CR5BAV99
CR8BAV99
12
J9
CON8
R37
1.2K
C39
47K
ISIS
OP1OP2OP4OP3
IS
R5
200K
R2
1206 470R
C40
0805 IU/16V X7R
R42
22
C?
1.0uF
R43
10
2
5
CON3
CON5
CON7
CON9
Model
TitleDate Rev:ViewSonic Corporation
DC 
						

							
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 
 71
 
 
MAIN  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  
						

							
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. Front Panel Function Control Description     
4. Circuit Description     
5. Adjustment Procedure     
6. Troubleshooting Flow Chart     
7. Recommended Spare Parts List     
8. Exploded Diagram and Exploded Parts List     
9. Block Diagrams     
10. Schematic Diagrams     
11.PCB Layout Diagrams     
 
B. Are you satisfied with this Service Manual? 
Item Excellent Good Fair Bad 
1. Service Manual Content             
2. Service Manual Layout            
3. The form and listing            
 
C.  Do you have any other opinions or sugge stions regarding this service manual? 
 
Reader’s basic dada:
 
Name:   
Title:  
Company:  
Add:  
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E-mail:  
After completing this form, please return it to ViewSonic Quality Assurance in the USA at facsimile 
1-909-839-7943. You may also e-mail any suggestions to the Director, Quality Systems & Processes 
([email protected])