Question about Hitachi 53SBX59B 53" Rear Projection Television

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Spilled Water... where can I order new circuit boards?

I learned a valuable lesson: don't sit plants on top of your tv and water them. Water overflowed and spill down the back of my Hitachit 53SBX59B projection TV. I think the only place the water got inside the TV was at the bottom where the circuit board is (not on the lamps or their circuitry). The TV will not turn on at all now... no sounds or anything. I can't see any lights on the cirucit board either when it's plugged in. I may be wasting my time but where can I buy replacement circuit boards?

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Re: Spilled Water... where can I order new circuit...

I can solder. I already took the panel off and looked at the board. I only see one fuse and it's fine. I don't see any visible "fried circuitry" from the top side but I haven't looked under neath. If it's just a replaceable capacitor or something I'd solder a new one one... my only problem is figuring out which one it is... and for all I know it was a chain effect that busted 100 different capacitors or whatever. Any tips on where to start?

Posted on Jan 14, 2008

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Re: Spilled Water... where can I order new circuit...

After ensuring that everything is dried out, you might try to replace a fuse (if blown).

You can find TV control boards at

Posted on Jan 13, 2008

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Re: Spilled Water... where can I order new circuit...

Your Talking real expensive to replace the chassis in a projection. Was the Tv on when the water spilled? If it was only plugged in on standby it may be an easy fix. Do you have any soldering skills or troubleshooting experience?

Posted on Jan 13, 2008

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I have the same problem as above. I have a Hitachi 50SBX78B and it was working great until some water from the plant on it got into the screen. Now the red light comes on for a split second, then goes...

Unless the main board is checked the damage to the board cannot be accessed. so open out the set and check on for any failure of fuse or fusbile resistors that could have opened out with the water shorting.
If water is still found use a dryer to warm off the moisture.
It area of the water spill must be checked for the possible damage

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Issues where water has been splashed onto the board can cause so many weard issues, it is easyer to replace the board then try to replace the individual parts. You need to do allot of troublshooting that will requrie schematic and a good knowlage of that board. try to get your board from pts,

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Looks like 3 in 1 oil spilled on circuit boards

I would not recommend cleaning with water, however, if you do clean it with soap and water the board must be immediately dried with dried compressed air.
Any components that moisture can enter, such as unsealed adjuster pots, open variable caps, inductors etc must be avoided. When drying, pay particular attention to area under ICs and SMT components. In can be near impossible to remove all moisture from under these components. A bake in the hot sun for a few hours also helps to eliminat the moisture.

I think a preferred method would be to use a volatile inert solvent to clean the board.
Various commercial PCB cleaner fluids are available from electronic wholesale component suppliers. The board will still need to be dried with compressed air.

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I have a large screen Mitsubishi TV and water spilled down the front this morning. I wiped it up but tonight learned it must have held water at the bottom lip that has wicked up behind the screen. How can...

Usally the screen is 3 layers if it was just water it should evap, without residue. You can remove the screen, but the inner surfaces are fragile to the touch.A big concern for contamination between the layers durning handling. You can clean each surface with a class cleaner and soft cloth. Use canned air from a distace to dust layers before re-assy. The distance is to avoid propellant from contaminating screen surface. Suggest this be left to a professional.

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Yes, you can check with for instructions on disassembling.

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I suggest you sit down for this one! Even a small amount of any liquid on set's internals can reak havoc. What you smelled were components shorting out and possibly burning. Depending on where the water spilled, you may have just one PC board fried, but many circuits are interconnected, which means possible cascade damage to others. Never place plants anything containing liquid on electronic equipment.

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You have more than one board that got water on it. Most likely a lost cause. Check with home owners insurance for repair or replacment value.

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TV went off.

Water is bad specially while something electronic is on,is hard to tell,the first thing is try to dry were water went in and hopelly the water did not go ALL over in a circuit board,this circuit boards can run up to 500.00 depending on the board,if is a small area your chances are better,the drying has to happen before corrosion sets in.If you are familiar with tv service and you have no indication of power(no lights,No clicks)you can start by checking the main fuse witch is close to were the power cord comes in to the set but if you are not too familiar tv service be safe and call for assistance maybe only for an estimate.

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