Stk411-210e Datasheet //top\\

If the IC fails, it often "shorts" one of the power rails to the speaker output, which can destroy connected speakers. Always check for DC voltage at the output before connecting speakers to a repaired unit.

The STK411-210E uses a 15-pin staggered SIP. Below is the pinout as per the original Sanyo datasheet: Stk411-210e Datasheet

Replaces dozens of discrete components, saving PCB space. If the IC fails, it often "shorts" one

– The STK411-210E datasheet “story” is a ghost: a once-common part lost to time, where only the base STK411-210 specs survive. If you need to service an old stereo using that module, treat it as an STK411-210 and verify with a curve tracer or low-voltage test before powering up. If the IC fails