help-I am stuck on 3 nanao chasis

Sherry-Vintage

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Donor 2011
Joined
Dec 29, 2011
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Glendale, California
one is model # ms8-25B this is not the chassis with r-433 &c-433. it is completly different. I started with it shuting down after some caps & turning the B+ down way low it stays on, but now I have vertical collapse evan after changing vertical caps & IC401 LA7833. any Ideas? also what is the proper B+ voltage? I also have 2 27" chassis shutting down right after power up, Ihave done acap set in the B+ area & checked Q901,D502,& Q533they seem to read good. this chassis dosent have a model # on either one ,but stamped on the C/B is the #05A00585D1. any Ideas? also need to know what the B+ should be ? any info would be great and would love to find some schematics. thanks sherry
 
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