CP-530 Service Manual
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4.3 LA78040 VERTICAL AMPLIFIER
LA78040 is a vertical deflection output IC for high image quality TV and CRT displays that
supports the use of a bus control system signal-processing IC. The sawtooth waveform from
the bus control system signal-processing IC can directly drive the deflection yoke (including the
DC component). Color TV vertical deflection system adjustment functions can be controlled
over a bus system by connecting the LA78040 to a Sanyo LA768X series.
Since the LA78040 provides a MAX deflection current of 1.8Ap-p, it is optimal for small and
medium size CRTs.
4.3.1 LA78040
Features:
·
Built in pump-up circuit for low power dissipation.
·
Vertical output circuit
·
Thermal protection circuit
·
Pinning and Block diagram
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