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The IC (chip) inside the lamp seems to die slowly resulting in flickering/flashing lamp operation when using the radio. Also the buttons may become unresponsive.

The problem occurs specifically when the device is cold and/or humid. Heating up the IC makes it work again.


No tools specified.


    • On the main PCB with the power-jack, replace the MTX2410 switchmode regulator IC (SO-8 Package).

    • There is a pin-compatible device from Quorvo (ACT4060ASH-T) which has a different internal voltage reference but otherwise works fine. Only a resistor must be changed for this to work.


Arbeite die Schritte in umgekehrter Reihenfolge ab, um dein Gerät wieder zusammenzubauen.

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Thomas Widmaier

Member since: 03/05/2013

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Hi Thomas, thanks for your instructions! I’ve got the same issues with my wakeup light. Could you maybe elaborate details about the resistor replacement?

Steffen Tröster - Reply

You only want to replace the resistor if you chage the chip from MTX2410 to the one from Corvo.

Best not to change the type of chip. It is available on eBay.

What do you not understand in the description ?

Thomas Widmaier -

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