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Westinghouse LVM-37W1 37 in. LCD hd MONITOR THE TV WHEN YOU TURN IT WILL NOT STAY ON IT CUTS OFF THE TV REPAIR MAN SAYS IT NEEDS A NEW MAIN BOARDWestinghouse LVM-37W1 37 in. LCD hd MONITOR THE TV WHEN YOU TURN IT WILL NOT STAY ON IT CUTS OFF THE TV REPAIR MAN SAYS IT NEEDS A NEW MAIN BOARD
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Westinghouse LVM-37W1 37 in. LCD hd MONITOR THE TV WHEN YOU TURN IT WILL NOT STAY ON IT CUTS OFF THE TV REPAIR MAN SAYS IT NEEDS A NEW MAIN BOARDWestinghouse LVM-37W1 37 in. LCD hd MONITOR THE TV WHEN YOU TURN IT WILL NOT STAY ON IT CUTS OFF THE TV REPAIR MAN SAYS IT NEEDS A NEW MAIN BOARD
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While that is possible, it seems a bit drastic. That being said, the only way we can truely respond with useful information is if you provide us with the make and model as well as a description of the problem.
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Yes,the tv main Tuner signal board it is the problems and the causes it have intermittents shorts in sides.Tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish tv main Tuner signal boad for the replacement.
The issue you describe is consistent with a power supply board issue. This is the board where the AC goes to. This problem may have occurred as a result of irregular power supply, or excess power supply or power surge.
The TV is receiving current but cannot circulate or transfer the current to other necessary part of the TV because of the defective power supply board.
I do not think it needs replacement, rather some defective capacitors are causing this issue. Open unit up and take a look at the power supply board.You will probably see one or more electrolytic filter capacitors that are bulged up in the top-not perfectly flat like the others.
The value of these capacitors will be different, most likely they will be somewhere around-820 to 2200uF/25 V( or /10V sometimes)
You can replace them with same values but I would recommend the voltage rating to be higher(like 35V for an original 25V) for reliability purposes.
What happens is,these bulged top capacitors will cause a low and unfiltered DC voltage=main board will malfunction(the relay will keep clicking until the caps are holding enough charge to bring the voltage up over a threshold point).
You can buy these capacitors at any Fry's or Radioshack store or you can order them online at vendors like "mcmelectronics.com"(look for electrolytic capacitors). After replacing these capacitor(capacitors) most likely the normal operation will be restored.
Note: There may be also some other causes for this symptom ,like a defective T con board ,or main board,but the bulged top capacitors are the most common cause for this issue.
If you don't know about TV repairers, take the TV to the nearest repairman to fix the fault for you. Also, note that TV stores a lot of current, so wait a while before opening the TV back cover.
We don't stay in the same vicinity, so I don't know precisely where you can a tech to fix this problem for you. Our job here is to give you a DIY (Do It Yourself) solution.....
The issue you describe is consistent with a power supply board issue. This is the board where the AC goes to. This problem may have occurred as a result of irregular power supply, or excess power supply or power surge.
The TV is receiving current but cannot circulate or transfer the current to other necessary part of the TV because of the defective power supply board.
I do not think it needs replacement, rather some defective capacitors are causing this issue. Open unit up and take a look at the power supply board.You will probably see one or more electrolytic filter capacitors that are bulged up in the top-not perfectly flat like the others.
The value of these capacitors will be different, most likely they will be somewhere around-820 to 2200uF/25 V( or /10V sometimes)
You can replace them with same values but I would recommend the voltage rating to be higher(like 35V for an original 25V) for reliability purposes.
What happens is,these bulged top capacitors will cause a low and unfiltered DC voltage=main board will malfunction(the relay will keep clicking until the caps are holding enough charge to bring the voltage up over a threshold point).
You can buy these capacitors at any Fry's or Radioshack store or you can order them online at vendors like "mcmelectronics.com"(look for electrolytic capacitors). After replacing these capacitor(capacitors) most likely the normal operation will be restored.
Note: There may be also some other causes for this symptom ,like a defective T con board ,or main board,but the bulged top capacitors are the most common cause for this issue.
If you don't know about TV repairers, take the TV to the nearest repairman to fix the fault for you. Also, note that TV stores a lot of current, so wait a while before opening the TV back cover.
It is likely you have a bad power supply which is quite common in newer tv's. Otherwise it is a problem with the main board. Either way it will have to be repaired and tested
After posting this problem we did call Vizio. They sent out a repairman (had to wait over a week) who fixed it by: Replacing the LVDS cable and the main board. (Just like somebody on this blog wrote somewhere!) We also had just previously called our cable company who came out (also free) and checked our system only to find the cable running around the house to the tv needed replacing as it was sending zillions of errors. The red flowing problem (called "red pixilation") was due to the Vizio LVDS cable and main board being faulty from the factory. Just want you out there in web land to know how to get your similar problem fixed!
LCD TV TroubleshootingThe defective LCD TV may have the following common symptoms:
Symptom: No picture on screen but LCD TV still has sound. Solutions: The problem is cause by defective inverter. Replacing ivnerter will solve hte problem. Symptom: Screen flash on and off between 1/2 to a few seconds, but power indicate light stays on and TV still has sound. Solutions: The problem is cause by defective inverter. Symptom: Blue Screen but no picture Solutions: The problem is cause by defective Main Board(AD Board). In some cases, this problem may cause by the defective Screen Controller board. Thsi board is mounting on teh back of LCD TV Scree. Symptom: Power light stays on but no display and sound Solutions: The problem is cause by defective Main Board(AD Board) or Power supply board. Symptom: No Power or Power indicate light does not lits Solutions: The problem could cause either by defective Power supply board or defective Main Board(AD Board). Symptom: Screen is half dim and half bright Solutions: The problem is cause by defective LCD Panel.It needs to be replace.
This is a power supply problem. Try to check the fuses ,fusable resistor ,capacitor and transistor in power supply board.
this is common issue with this model and through your troubleshooting is tied to y main board. blinking led on logic main in normal operation. when replacing y main always good idea to replace y upper and lowe buffer boards as they complete a circuit and sometimes replacing one without other could cause additional failure on remaining boards
Westinghouse LVM-37W1 37 in. LCD hd MONITOR THE TV WHEN YOU TURN IT WILL NOT STAY ON IT CUTS OFF THE TV REPAIR MAN SAYS IT NEEDS A NEW MAIN BOARD
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