This post explains for the semiconductor STK-403030.
The Part Number is STK403-030.
The function of this semiconductor is Main Schematic Diagram.
Manufacturer: Sanyo, ETC
Preview images :
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Description
SCHEMATIC DIAGRAMS • MAIN SCHEMATIC DIAGRAM NOTE: Warning Parts that are shaded are critical With respect to risk of fire or electrical shock. NOTE: 1. Shaded(I) parts are critical for safety.Replace only with specified part number. 2. Voltages are DC-measured with a digital voltmefer during Play mode. […]