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#2
11-28-2021, 02:25 PM
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The picture you drew shows a "PIN" or pin cushion problem.
Sony & others had cold solder joints in the following areas. Horz drive, horz drive transformer, horz output, vert output IC, Small 3 legged regulator IC's also the main power supply board. I would check the HV, CRT & power supply boards for cold joints first. HV can be detected by checking the 200 VDC at the CRT socket. If you have 200 V you have HV. Also the H1 & H2 run off the HV. They are the heaters. If no HV the filaments will not light. Hope that helps, good luck Zeno  LFOD ! 
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