Question about Haier 42EP24S 42 in. EDTV-Ready Plasma Television

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Black screen w/sound

Can anyone make this repair .are there special tools required. sisi108

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Re: black screen w/sound

My Haier 42EP24S did the same thing 23 days after the warranty expired. I am an Electronic Technician by trade so tried to repair it. I found that the problems was on the YSUS board. The Vs supply line develops a short and causes the 4Amp fuse to open. This is a common problem with this LG made monitor. There are no board level schematics available for this monitor so component level repairs are almost impossible, board replacement only. The YSUS board cost $460 from haier. I complained to Haier America and they replaced my unit with a new HDTV. That was 6 months ago and now the replacement tv is going junk. Good Luck.....

Posted on Sep 07, 2007

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Black Screen but sound works

Any part in your set can be replaced. It is a question of cost, and the qualifications of the service person. For this set it is important that only the manufacture service rep work on it. There are specialized tools, training, and setups for performing service on this type of set.

A poping sound is caused by a component actualy rapidly blowing! This should be looked after. Using the set can only create more problems. Components rapidly blow because of a catastrophic short or over-voltage condition of some type.

The manufacture service rep can do a visual inspection of all the circuit boards, and replace the board with the one that shows signs of physical damage. He will then run diagnostics, and perform the proper troubleshooting to find the cause of the problem and replace any other defective parts or circuit boards.

The repairs on these TV sets can be rather expensive. Ask for an estimate before approving any work done. When buying any of these TV sets it is best to take an extended warranty. This is an insurance in case of an expensive failure.

From your description, I would suspect a section of a power supply has failed, and possibly a failure in one of the main driver circuits. This type of repair will not normaly be low in cost.

Jerry G.

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