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Thermistors! Ah!!
The fan on the power supply in my Kenwood TS-940 section stopped coming
on. I replaced the motor with a new one. The thermistor would kick on the new fan when I placed a soldering iron against it. I put thin layer of thermal grease between the thermistor case and the heatsink and screwed it firmly to the sink. The fan refuses to come on with this configuration. Just can't get enough heat into the thermistor I guess. Do thermistors go bad or what? I'd like this thing to come on at a lower temp anyway. Does anybody know of a replacement which would do that? I have zero data on the factory thermistor...I don't have a temp probe to check it myself either. -Scott. |