Question about Hitachi Televison & Video
I changed the bulb on my hitachi 50v720 rear projection tv and the picture is still dark. Could I have another problem?
If not bright again and not a generic bulb-possible problem with the lamp ballast that powers the lamp.
Posted on Nov 06, 2012
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Posted on Jan 02, 2017
1) In customer menu, adjust all video controls to center,then
increase "picture" to 3/4
2)Locate focus/screen adjust block above chassis...adjust
RGB screen controls for best mixture = B/W tracking..
Check with customer color level at minimum..should look gray.
If you turn screen controls up too much,you will see faint
re-trace lines in picture.....once B/W looks good,put color level
back to middle...................................................T.
Posted on Feb 05, 2008
Remove the front screen
Carefully Remove it
Pull the bottom off
Then remove the screws on the bottom of the screen
when you have them off lift the screen assembly up
be careful of the wire going to the panel
you can move the screen to the side and gain acces with out unplugging the wire but again be careful
clean the mirror and the projection bulbs
with glass cleaner and spray only on to the rag not the mirror or projection bulbs
Put it all back together and your picture should be bright as before
Posted on Feb 10, 2009
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