Question about Televison & Video
Does the info that I just added about working OK after being off point more likely to the vertical IC, the various capacitors, or the yoke connection?
What exactly did you mean by dry jointed? Did you mean that some of the solder connections might be cracked or have flux buildup?
Yes, it is likely that it is dry jointed,as Premtech described, a ring like crack about the joint where it solders down to the printed circuit. They are generally pretty obvious. There is generally no flux on modern PCB's If you cannot solder,then this may pose a problem. What are your skills like with an iron in hand? :)
Posted on Jun 30, 2008
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Posted on Jan 02, 2017
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Mar 10, 2011 | Samsung HCL4715W 47" Rear Projection...
ur tv has problem with vertical scanning section. may be dry soldering or vertical output ic faulty.
check for any dry soldering in that section. mainly the soldering of vertical ic. if see or not re-solder the leads of the vertical ic . then check is the tv is ok or not. if complaint remains replace the vertical scanning out pout ic. it will be fitted on a aluminum heat sink in the vertical section. u can see the heat sink on which the ic is mounted in the picture ( in side the small green circle). if u need more assistance feel free to contact through fixya.
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