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A project log for Reviving the Incredible Holiday Lightshow Tree

Fixing the Gemmy 7 1/2 foot Incredible Holiday Lightshow tree.

jtJT 12/30/2021 at 02:420 Comments

I swapped out the audio amplifier (TDA2030AL) and the two transistors (TIP41C and TIP42C) attached to it with replacements and the problem persists. I desoldered the sound system components and attached an external TDA2030AL soundboard but the problem persists. I soldered in a new thermistor for good measure and it solved nothing. I think it might be the power supply. I took some time and traced out the components on the board. I will have to wait for a new power supply to arrive.

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