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The horizontal pulse will keep the meter from working properly. It will also kill it (the meter, that is) as the pulse is around 1500 volts. Most DVM units are rated 600 DC volts. The horizontal driver can confuse the meter as well. The older VTVM, if rated high enough voltage can read the voltage. I use an older Conar that can go to 1200 volts DC on the highest range. On those sets, if they don't get scrambled at lower brightness levels the regulator is working fine. Also, check the electrolytic capacitors around the vertical IC.
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07-21-2014, 01:52 PM
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