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Philips 28" A66EAK51X03 yoke help / Compatible chassis (SOLVED)
perjmolsen:
--- Quote from: princess prin prin on October 11, 2019, 09:05:58 am ---You should check the anode voltage when making changes to the horizontal output circuit. Lowering the B+ could be a way to resize the picture.
--- End quote ---
Thanks for the tip :cheers:
perjmolsen:
Hi
An update -
I now managed to dial in the horizontal size also. :applaud:
I changed c908 to an 102nf (104J 250V)
Now the picture is perfect on the A66EAK51X03 tube :applaud:
Now I will leave it on for a couple of hours to see if anything blows up.
The last fix I am planning to do to my china chassis, is to change the 25W 140 ohm ceramic resistor to a 100W 150 ohm surface mounted resistor, and mount it at the metal on the chassis so the cooling is better.