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TVs

Eeprom in Chinese Tvs without data and clok

TV sankey CT-21SLSW3

TV sankey CT-21SLSW3

luismanuelmonsalve
hace 5 años
hace 5 años
Good evening dear friends of the community, on several occasions I have encountered Chinese TVs like Haier Sankey cyberlux among others that does not turn on do nothing. When measuring the pin vcc of the eeprom are 3.3v and on the SDA and SCL pins there is NO SIGNAL, I would like to know if the lack of this communication bus is because the microphone is not sending that signal to the eeprom or who send that signal is the eeprom to the micro? Grace in advance
neg2013
neg2013
14.048
hace 5 años
hace 5 años
Good morning ... The subject is closed but I had a case with a Chinese chassis, which did not light just for missing those signals, which discovered the absences after a few days of searching and looking for the possible causes of the failure .. .
oscarsoftware
hace 5 años
hace 5 años
Hi Luis Manuel ... I understand that the micro "interrogates" the eeprom about what you have to do to turn on ... then keep "doing" the same thing, once you are on. but for other parameters ... so if you have no signal, it is very likely that the micro is bad .. luck
luismanuelmonsalve
hace 5 años

That's right by chance they told me the same thing, thanks friend

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