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2-2. Modulation Method
Modulation is performed by the signal that is supplied from IC901 pin@¡ (pin#§).
pin@¡ (pin#§)
When the modulation signal is present, the modulation signal goes to the "L" level.
Fig. 2-4
If IC901 pin@¡ (pin#§) goes to �L�, the resistor R910 (R941) cannot be connected in parallel so that the current flowing through Q901 and Q902 (Q911 and Q913) decreases and amplitude of the output signal also decreases.
CN900 pin3
Fig. 2-5
� Either the large antenna or the small antenna is selected. � The two antennas do not oscillate at the same time. IC901 � pin@£, pin@¶, pin@¡ � to the large antenna IC901 � pin@ª, pin#¡, pin#§ � to the small antenna * The large antenna oscillates normally to read the data from the memory chip when a video cassette is brought closer to the video cassette recorder. � The antenna (small) oscillates in the following condition: * When the TITLE key is pressed in the modes other than Cassette-In/REC END/REC, the system enters the EDIT menu. * During Title Search/Blank Search * Cassette IN � Pressing TITLE � Another tape is brought closer � Pressing TITLE.
�5�
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