Quote:
Originally Posted by jr_tech
How about current between the B+ terminal (250 volts?) and the rest of the set? Thinking that there could a lot of ripple current on the input to the filter cap that is contributing to the resistor heating (are the filter caps the correct value?) but perhaps the "fee air" dissipation of the 25 Watt resistor is quite low, and 197 degrees is "normal".
somewhat stumped,
jr
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I just looked up the spec of the resistor, and it seems that it has a temp range of up to 250C. Since 197 F is about 92C, I think this is just normal.
And, since I only read 280 mA on the current draw, I know I'm not overdriving the resistor risking burnout.
Think I'll hard mount it to the chassis and try watching some television for a bit and see what happens.
12-04-2013, 01:01 AM
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