Quote:
Originally Posted by zeno
HVSD a.k.a High voltage shut down.
On most sets if it activates the set goes dead. On Panny, RCA Hitachi &
some others of this era too much HV causes the H osc to go off freq.
to reduce HV. Your set is probably like that.
133 volts may be OK but you need to see if it changes. Use a variac
or go from zero brightness to full brite. It must stay the same.
Cause I have seen was always the power supply. Also the B+ control
has to go lower @125 V to put the 130VDC in range.
A manual IS needed now.
Zeno
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+B is supposed to be 130v. Sams' schematics courtesy of damen.
04-20-2024, 09:06 AM
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