![background image](http://html1.mh-extra.com/html/viewsonic/va502mb-1/va502mb-1_service-manual_1020920021.webp)
PIN Descriptions:
Pin Names Function
1
CT
External timing capacitance
2
RT
External timing resistance
3
NON1
Positive input for error amplifier 1
4 INV1 Negative
input
for error amplifier 1
5
FB1
Output for error amplifier 1
6
DT1
Output 1 dead time/soft start setting
7 OUT1 Output
1
8 GND Ground
9 Vcc
Power
Supply
10 OUT2 Output
2
11
DT2
Output 2 dead time/soft start setting
12
FB2
Output for error amplifier 2
13 INV2
Negative
input
for error amplifier 2
14
NON2
Positive input for error amplifier 2
15
SCP
Timing latch setting
16
VREF
Reference voltage(2.5v) output
18
ViewSonic Corporation
Confidential - Do Not Copy
VA502mb-1
Block Diagram
Содержание VA502mb-1
Страница 10: ...7 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 13: ...10 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 14: ...11 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 16: ...PIN Descriptions 13 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 18: ...Block Diagram PIN Function 15 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 38: ...5 7 Packing Procedure 35 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 40: ...Picture 3 Picture4 Picture 5 Picture 6 Picture 7 37 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 41: ...Picture 8 Picture 9 Picture 10 Picture11 38 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 42: ...39 ViewSonic Corporation Confidential Do Not Copy VA502mb 1 6 Troubleshooting Flow Chart...
Страница 43: ...7 Block Diagram 40 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 53: ...9 PCB Layout Diagrams MAIN BOARD 50 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 54: ...POWER BOARD 51 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 56: ...53 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 57: ...AUDIO BOARD 54 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 58: ...KEY BOARD 55 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 59: ...10 Exploded Diagram and Exploded Parts List 56 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 61: ...58 ViewSonic Corporation Confidential Do Not Copy VA502mb 1 Packing for Shipping...