Read Sony DCR-TRV900 Service Manual online
15
New SteadyShot Correction Circuit
(1) The camera-shake is detected by the yaw sensor (SE-450) and the pitch sensor
(SE-451). The detected signals are amplified by the yaw/pitch sensor ampli-
fier IC400 and are passed through a low-pass filter in order to isolate the de-
tection signal of the range from several Hz to several ten Hz. The detected
signal output from the low-pass filter, is A/D converted by IC302 so that the
digital camera-shake compensation signal is generated.
(2) The Y-PWM output signal from pin$¢ of IC302 and the P-PWM output signal
from pin$∞ of IC302, are supplied in the form of the PWM waveform. These
output signals are used to control the VAP drive (IC351, IC352) that activate
the active prism actuator.
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