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Samsung HCL4715W Convergence IC    
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Rockstar



Joined: 26 Oct 2008
Posts: 43
PostPosted: Mon Jun 29, 2009 4:51 pm    Post subject: Samsung HCL4715W Convergence IC Reply with quote
I have a Samsung HD Projection tv that the red convergence is out of place and constantly moves i tap the IC chips and heat sink and nothen happen but if you go into menu and mess with red convergence some it would fix it self of constantly moves then u can fix it back but it doesnt last long till its messed up and start constantly moves. I have read about these chips always failing cause of high temperature they run at. So my question is does it seem like the IC chip is bad or the heat caused a bad solder joint.
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JTS1957



Joined: 21 Jan 2009
Posts: 2395
Location: Far, Far Away
PostPosted: Mon Jun 29, 2009 7:55 pm    Post subject: Reply with quote
If it won't adjust into proper convergence with whatever method of adjustment the manufacturer provides, (usually either a one-button "automatic" or multiple button "manual"), then the IC(s) need to be changed (along with confirming b-pluses and checking for changed value bias resistors. Mr. Green
Rockstar



Joined: 26 Oct 2008
Posts: 43
PostPosted: Mon Jun 29, 2009 8:22 pm    Post subject: Reply with quote
Thanks for your reply JTS1957 on the problem
kuhurdler



Joined: 28 Dec 2006
Posts: 2879
Location: Overland Park, KS
PostPosted: Mon Jun 29, 2009 10:19 pm    Post subject: Reply with quote
can you give us a model number?
Rockstar



Joined: 26 Oct 2008
Posts: 43
PostPosted: Mon Jun 29, 2009 10:26 pm    Post subject: Reply with quote
Model Number is HCL4715W and when i said it moves its more like a jittery thing
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kuhurdler



Joined: 28 Dec 2006
Posts: 2879
Location: Overland Park, KS
PostPosted: Tue Jun 30, 2009 5:00 am    Post subject: Reply with quote
I agree with JTS. start with the convergence ICs because its easy. check the power supplies for good consistent voltages.
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