I have a 93 46ux12b hitachi big screen that my father gave em it perfect shape but yesterday i turned it on and you here it turn on but then red power light goes off and then nothing . the picture was waving the day before it went out my father had it fixed liek three years ago it was expensive but i was wondering if there is an easir way for me to see what is wrong.
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The black box is there because your closed captioning is on and set to text mode. Some channels send the signal even when there is no actual text to display. You can get rid of it by either turning off closed captioning or changing it to CC1 or CC2 mode instead of text. If you can't find those settings, then restore factory settings as directed in your user manual.
you may have sound bord problem try using the sound out put from RCA connections in the back if you have sound from that source check the menu find out if speakers are turn off if still have problems e-mail me