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I’ve tried swapping all the boards from the other set “S” to no avail, maybe cos the other set has the same problem.
The V scan preset wouldnt let me set voltage rjh307 the desired I guess i’ll mail u directhope that’s ok with u! I’m trying to fix a busted Samsung 42″ plasma with rjn3077 Y drive and Y buffer pcbs.
Amazon Advertising Find, attract, and engage customers. Get to Know Us. On powring up now, i’d see a picture with the symptom illustrated in the pics.
Whatever the casei see faint glimmer of hope.
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The sticker on the chassis listed Vscan at volts jrh3077 i was measuring variations between and volts. Attached please find the pics of the plasma problem i was describing.
The history so far: Wow, thanks kvm, that lead is very encouraging. Please enter a question. The problem is more acute with a higher contrast setting. Rih3077 can still see all customer reviews for the product.
Get fast answers from reviewers. Shopbop Designer Fashion Brands. Add to Wish List. Amazon Renewed Refurbished products with a warranty. Unit S came in with a picture that was continuously varying in brightness.
I located this short in the Y buffer pcb which receives over a volts from this diode.
RJH Datasheet – Renesas V IGBT – DataSheetCafe
Amazon Inspire Digital Educational Resources. After that, you can post your question and our members will help you out. And rjh307 Franc for the webspace. Franc Zabkar, Nov 3, Your help will be really appreciated.
Wondering if that means i should be hunting for breaks in the Y drive, or logic board or LVDS or input module You’ll need to choose a username for the site, which only take a couple of moments here. Hooking up a scope to the vscan line showed that the voltage varied in sync with the white flashes.
Amazon Music Stream millions of songs. Get fast, free shipping with Amazon Prime. Thought the manual as usual has no schematic for the Y pcbi did some tracing of the section and found it to be a rectifier at the output of a transormer based sub power supply driven by a 5MR 5 pin device on the primary side.
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See All Buying Options. I could turn on and turn off power but no picture or light. Jango Woops, can’t post pics here how dumb of me. Amazon Rapids Fun stories for kids on the go.
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Please make sure that you are posting in the ejh3077 of rjg3077 question. Withoutabox Submit to Film Festivals. Franc Zabkar, Nov 6, A and an optocoupler driven by a H three terminal reg lay in the feedback loops 4 windings on the transformer. Your recently viewed items and featured recommendations. I’m now left with 1 working Y drive board. I opened the DC to DC convertorpoked around a bit and i found an open K ohm resistor in series with the preset. Slight colour splay and contouring.
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