Question about Samsung HCN4226W 42" Rear Projection HDTV-Ready Television

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Convergence board New board was replaced but the blue is to far out causing the tv to shut down. The mute-1-8-3 wont respond to ajustment. Should I buy a new board and start over?

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If the blue is too far out you will need to manually adjust these if you never did this before you could make a real mess, suggest calling a tech.

Posted on Dec 18, 2007

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Posted on Jan 02, 2017

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Can be the t con board or the lcd panel. its only possible to finalise by replacing the t con board. Before going for a new t con board try to check the connections from t con to lcd panel. if its possible remove and reconnect it. sometime bad contact can cause such problems. Also added a link which would be help full for you.
http://electro-medical.blogspot.in/2015/11/lcd-tv-t-con-board-troubleshooting.html

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Phillips flat screen has a vertical blue line, about 2inches wide, running from from the top to about a third down the 52 inch screen. What causes this


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1 Answer

The tv shuts shuts off by itself and wont come back on until next day, do you know what causes this


I had a similar problem with my Phillips 42 in. LCD HD TV.

Here's the problem. The Power Supply Board. I opened my TV up(warranty was up of course) and found several bad capacitors. Phillips and several other companies were sold capacitors that although were highly rated failed within 5 years because of a lack of preservatives. All sorts of electronic equipment is now being effected due to these defective capacitors.
Solutions?
1. Take it in and have it fixed
2. Open it up, check the board for faulty capacitors(bulged or leaking) Buy a new Power supply board and install it.
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1 Answer

When we turn on tv it shut down right away we think it could be the lamp light what else can it be?


Try muting the sound on the tv, if it is a loose circuit the sound vibration can jiggle a connection and cause the tv to turn off as apart of its safety feature.

if the tv functions correctly while in mute then you now know it is a loose circuit.

if the tv continues to turn off even while in mute it is shutting down by the main power stand by safety feature, it may need a new main transformer.

if the muted sound solved the problem then unplug the tv and look in the back for the main transformer, the manufacturer usually places the main board on the box of the main speaker, the speaker could be vibrating a circuit loose from direct contact, the main transformer is heavy and would cause issues over the long run with high fadelity sound systems on big screen tv's. check solder points on main board.

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Try muting the sound on the tv, if it is a loose circuit the sound vibration can jiggle a connection and cause the tv to turn off as apart of its safety feature.

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if the tv continues to turn off even while in mute it is shutting down by the main power stand by safety feature, it may need a new main transformer.

if the muted sound solved the problem then unplug the tv and look in the back for the main transformer, the manufacturer usually places the main board on the box of the main speaker, the speaker could be vibrating a circuit loose from direct contact, the main transformer is heavy and would cause issues over the long run with high fadelity sound systems on big screen tv's. check solder points on main board.

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1 Answer

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1 Answer

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as far as alge ...i cant comment on that. it just sound like your blue tube has quit altogther/...yes they can be quite expesive..however it could be crt board..maybe...buy you a new one...LOL

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