X10 RR501 Transceiver: Heat Death

Must be something in the air:

X10 RR501 Transceiver - overheated Zener
X10 RR501 Transceiver – overheated Zener

Another overheated Zener in another shunt power supply!

This BZY97C is still a diode, although I didn’t test its 68 V breakdown spec. I have no idea what they’re doing with that much juice inside an X10 RF box and have nowhere near enough interest to find out.

It still doesn’t work after a Laying On of Hands: out it goes.

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