Question about Televison & Video
The TV is forced to stand by when there is an incorrect voltage value detected from the main controller board. When this happen the main controller is forcing the PSU to standby, sending the TV in protect mode.That is the clicking noise that you hear.
The PSU can be tested bridging the low voltage control lines that are turning the higher DC volts from PSU on.
The procedure to test the PSU is illustrated in the following article: How to test an LCD TV or monitor PSU
Bridging the voltage lines is a repair suitable for an experienced technician. If you are a DIYer, better testing the resistors and components near to the faulty capacitors by reading Ohms to check if they have continuity. This operation is done with power not connected.
If you need to replace the whole board, here you will find the part : ShopJimmy
Both power board and digital board may be responsible.
Posted on May 26, 2010
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Posted on Jan 02, 2017
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