ViewSonicA90f+-1 _ VCDTS23307-2R - 19” Digital Controlled Color Monitor – SMPS, Horizontal Output & Vertical Output Circuit Diagrams
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SMPS SCHEMATIC
HORIZONTAL SCAN & OUTPUT
VERTICAL SCAN-OUT
SYSTEM CONTROL & MEMORY
TPW-697 _ POWER TRANSFORMER – 5061369700
TFB-280T _ TRAQNS.FLYBACK COLOR – 5062628031
TFB-280L _ TRAQNS.FLYBACK COLOR – 5062628032
Power supply working frequency - constant between 30.25 kHz and 31.25 kHz, R817A adjust the frequency