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KX-B620 Series
KX-B520 Series
DC level is TYP 4V, so if amplified directly, it becomes very distorted. Therefore the input for the broad-
band amp is a condenser coupling circuit.
The output signal that is cut by condenser coupling circuit is amplified by 1C202 (NJM318D), Gain is
adjustable by VR201.
CCD
Video out
©
(Vout)
Wi.
R207
C207
Fig. 38 Circuit Diagram
® Waveform is shown below.
® Waveform is shown below
Output Voltage
Less than
0.7V
GND
® Waveform
(VIANA) is shown below.
® The amp output (NJM318D) VIANA
About 7V
GND
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