Question about Televison & Video
HI: how can i get the pt42sh power supply diagram please?
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Power supply problem in matsui
The power supply, from memory, uses an STR type power supply chip and is controlled by use of an opto coupler.
In my experience the opto couplers hardly ever give trouble, nor the STR's if caught in time.
Change the capacitors around that part of the board within the hatched area especially look out for 22 or 47uF 35 Volt start up capacitor.
Hope that helps but the models changed from week to week depending on which factory the ubits came from.
Posted on Jan 01, 2011
when I turn off and then Turn on after 10 minutes the TV notwork(by using remote or touch button). I try to disconnect power supply andthen reconnect and waiting a couple of minutes and turn on but no work (nosound and black desktop) .I repeat this procedure many times so some timework and sometimes not work. please help me to solve this problem
Posted on Aug 28, 2011
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