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Samsung projection television modle# hcl4715w. serial# 31et503190h, type# psa47w1 when I plug the T.V. in YOU can hear the T.V. click on but no picture or sound. replaced picture board a few months ago.
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If your convergence ICs are bad set will not come on 1 of the ICs controls Off/on STKs big black ics replace both STK392-020s use 040s For Parts call 1-800-223-3205. www.electronix.com
Thats a common problem for that chassis You will need the P54A sud deflection board. You can get a new one at the following link with free shipping. Here is the link. http://servicemanuals.vstore.ca/
At five years old, I doubt it will be worth replacing the power supply , a picture tube or two and possible the signal board. Cut your loses and get a new set.
Disconnect the convergence board and see if the set comes on. If it does, and it probably will, replace the convergence board or the convergence amp IC's. Good Luck
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