Merged PDF of application circuits for the STK41XX series, the Sanyo thick-film hybrid power amplifier modules used in many audio systems and mini components. The file name is in Spanish, with fusionado meaning several documents joined into one 606 KB file. It helps confirm module pinout, supply rails, bias and external part values when repairing or replacing an STK amp. Check the exact suffix on your module, since supply voltage and output power vary across the family, and beware of counterfeit replacement modules.
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