NV-M8000 Camera Box-Out Control Working Principle Circuit And Common Troubleshooting Circuit

Published:2011/7/29 19:03:00 Author:Robert | Keyword: Camera, Box-Out, Control, Working Principle, Common, Troubleshooting | From:SeekIC

The NV-M8000 camera box-out control circuit is made up of system control microprocessor IC6001 and transistors QR6037, QR6035, QR6036, QR6017, QR6023 and EJECT button switch S6520 and cassette holder down switch SW1503 and so on, which is shown in the picture. The working principle. When it is in cassette holder down mode, the cassette holder down switch SW1503 would be connected under the function of the cassette holder lockplate control lever. The QR6023's base polar would connect the plug-in module D6006's pin 2 through K6025, and then through the cassette holder down switch it gets to the ground. QR6023's base polar is conducted in low voltage level. IC6001's pin 16 (CSANOUT) signal would connect the its pin 52 (CSANIN) through QR6023. The microprocessor would be in stopping mode when it receives the cassette holder down signal.



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