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I can't believe I hadn't Googled "sony 420gs". I Google everything and anything, I like to have all my questions answered and the internet does just that. Anyway, found two bits of interesting information. First off, the chassis (D98 according to the service manual) is the same as that in the Dell Trinitron P990. The Dell P990 looks exactly the same, except for the second VGA input on the front. Secondly, I found a forum posting where someone was asking about how much a flyback for one of these puppies cost. However, he also mentioned Q901 and Q902 were replaced in a previous repair. I don't have access to either the monitor or the repair manual right now, but according to google Q901 is a IRFI9634G and Q902 is a FS7KM-18A. They are both 3-pin power regulators. I will try swapping these out. Are they cheap/available at Radio Shack or maybe Fry's (Fry's, for those who don't know, is a huge electronics store, they have 2 rows of electronic components)?
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