The LA7847 is EW drive and vertical deflection output ICs for high-definition TV and CRT displays in systems that usea bus control system signal-processing IC. These ICs can directly drive (including DC component) the deflection yokefrom the sawtooth wave output from the bus control system signal-processing IC. Similarly, the diode modulator blockcan be driven from the parabolic wave output.The color TV vertical deflection system and EW adjustment functions can be controlled from the bus system when eitherof these ICs is used in conjunction with a SANYO LA768X or LA769XX series TV bus control system signal-processingIC. The LA7847 provides a maximum output block voltage of 72V, a maximum deflection current of 2.2Ap-p, and anEW drive current of 0.4A, and thus is optimal for large diameter CRTs.
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