Good morning, colleagues of the forum! You are sent a cordial greeting from San Cristóbal-Táchira ... I come to you. In order to request your support in the repair of a 32 ”premium brand TV model PLC32D100HD .... This TV arrived with a power failure, it remains with a red button of stambay .... when revving the sources as everything seems be normal with the proviso that all sources start at once when only connecting AC cable, press the main VAC button .... when measuring the PWRon voltage (return value of the MAIN to turn on the sources) on the connector that arrives to the source card because I found that there is a voltage of 4.1 VDC in this pin all the time so press or NOT the stambay button to turn on the TV (the value of 4.1 VDC also seems to me an unusual value that use the different sources that an LCD TV has for their power) .... It can be said that when the different voltage pins of the MAIN are being checked with the tester, sometimes the TV would turn on normal and work all right but once it goes off by stambay button because the fault returns again ... the MAIN card has a code marked as: T.MS18VG.81B 12145 and on the printed side it is marked: T315XW03-V3, although the latter I think has to do with the screen or panel number with which this card is related ... .. I do not know where to attack the fault .... I do not get electrical diagrams of these cards .... could you help me ... I thank you in advance ... atte: LUIS Good afternoon companions .... I have already checked this TV several times and I do not give the fault .... could you please help me ... ...... the TV turns on whenever it wants and sometimes even without hitting the power button ... but after turning on the TV, it behaves normally and all the buttons respond ... but one Once the stambay button or the main shutdown button is pressed because this TV falls back into the same fault, that is, it stops responding to the power buttons and does not respond to the remote control either ... I presume it may be the program installed in the EEPROM but I don't know how to rule out this fault. What is the test that must be done in order to know if the eeprom memory is working well or not? ... what should be done? ... where can I get the new FIRMWARE to update the MAIN T.MS18VG.81B card? 12145 ..... I understand that this MAIN card is used by several TV models among them are HAIER: LE32A10, LE32A370 ...... Thank you