Jeremy,
Yes, you should be doing the resistance checks with no power applied.
Inexpensive ohmmeter? Well, if it is a digital multimeter in resistance
mode, you should be OK, but i it is an analog VOM or VTVM, it may not be
showing you the real picture because the voltage may be sufficient to
turn on semiconductor junctions.
73,
Don W3FPR
On 2/12/2014 9:15 PM, JeremyJones wrote:
I have lifted R45, RFC4, R74, R82 and R97, with only a slight increase from
70 ohms to 87 ohms after lifting RFC4. I'll continue troubleshooting
tomorrow by removing any capacitors connected to 12V.
I also want to confirm that I should be doing these resistance checks with
no power applied.
Also, I am using an inexpensive ohm meter. Will that have enough power to
charge the capacitors up enough to show the expected resistance?
Thanks,
Jeremy
VA3ZTF
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