![background image](http://html1.mh-extra.com/html/viewsonic/va502mb-1/va502mb-1_service-manual_1020920020.webp)
Block Diagram
BA9741F (U201):
The BA9741F is a timer latch, short-circuit protection circuit is built in. Circuit
to prevent malfunction during low input voltage is built in. Built-in reference voltage(2.5v)circuit
with output pin. Dead time over the whole range of possible to adjust half period of whole duty
range. Recommendable for regulator in camcorder.
The function of each pin and the circuit diagram inside are as follows
:
17
ViewSonic Corporation
Confidential - Do Not Copy
VA502mb-1
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...