Sep 16 2007
Many people may not realize that there is a TCXO (Temperature Compensated Crystal Oven) toward the rear of the IC-7000. This is the source of much of the heat the radio produces while not transmitting.
Performing the fan modification actually may not provide any benefit. A friend has operated two 7000’s 24/7 for several months for various reasons and neither has as much as hiccuped from heat, even when airflow challenged a couple times by accident.
Next time I get mine close to my bench, I’m undoing my fan mod simply to save wear and tear on the fan. The control panel does get warm to the touch and the fan mod did not cool that down at all due to the construction of the radio.
I still think mine is a super all (almost) band transceiver and enjoy using it every day.
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