Daewoo CP-520 Service Manual
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CP-520/520A/520F Service ManualDTV R&D Europe 274.3 TDA8358J VERTICAL AMPLIFIERThe TDA8358J are power circuit for use in 90° and 110° colour deflection systems for fieldfrequencies of 25 to 200Hz field frequencies, and for 4:3 and 16/9 picture tubes. The IC containsa vertical deflection output circuit, operating as a high efficiency class G system. The full bridgeoutput circuit allows DC coupling of the deflection coil in combination with single positive supplyvoltages.The east-west output stage is able to supply the sink current for a diode modulator circuit.The IC is constructed in a Low Voltage DMOS(LVDMOS) process that combines bipolar, CMOSand DMOS devices. DMOS transistors are used in the output stage because of the absence ofsecond breakdown.4.3.1 TDA8358JFeatures :ß Few external componentsß Highly efficient fully DC-coupled vertical bridge output circuitß Vertical flyback switch with short rise and fal timesß Built-in guard circuitß Thermal protection circuitß Improved EMC performance due to differential inputsß East-west output stage |
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