- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
You might try Hitachi for the service manual with full breakdown.
Basically the entire front screen unit comes off from the front in one piece, then inner two screens come out--carefully! and then frame needs to be partly pulled apart to get out screen from rear as it is in a slot all around the frame.
there may be dust behind the screen & also on the reflecting glass. u will see that upper back portion cover is removable. remove it & see that glass there is glass on inner side of cover. clean it, also clean the screen. u will see there are 3 picture tubes faces on bottom side, clean all of them.
if it does not work then u can increase brightness of tv by increasing "screen" control of tv which is on the lower back portion of tv. this can be done by any tv repair expert only.
u need to unplug tv, remove cover of upper back portion which is behind the screen. u will see a mirror fitted on inside of back cover clean both screen, mirror. u will also find on bottom side 3 picture tubes. clean them as well.
Yes I Had The Same problem , if your handy with fixing things this will work. Step 1- unplug the TV from wall socket Step 2- disconnect all devices like VCR's DVD Players from the TV Step 3- remove the speaker covers from the TV Step 4 - There are 14 screws on front cover, remove these with a Philips driver, set cover aside clean with soft brush and wash with water Step 5- Gently raise the cover straight up to release it from its supports Once cleared from supports , remove the cover.
Tips- Make sure you don't scratch any of the screens or CRTs
You can clean the mirror with any glass cleaner, make sure to wipe it clean , water and vinegar does a good job to eliminate streaks.
Use a soft duster to clean the dust from the circut boards Tip - Remember take it easy when cleaning
When your finished cleaning, just reverse the steps
Its most likely a problem with the lamp fan / Thermak sensor or the color wheel as either one can cause the symptom youre describing. To clean the mirrors there are actually two A large one and a small one. Remove the lower speaker cover and you will notice 4 screws along the lower edge of the screen assembly, then remove the screws along the edge of the rear upper panel then lift the screen assembly slightly to disengage the clips then remove the screen assembly. The large mirror is on the rear wall of the set. The small mirror is dead center in the front where the lens projects and then the small mirror reflects the image onto the larger mirror.
You can remove the screen, take the speaker cover off in the front you sould be able to see the screws that hold the screen on the bottom remove the screws and unplug the wire the goes to the screen fron the tv, you need two people one on each side just pop each side up about an inch and pull it off,
On each side of the set is a round access panel.
Remove the oblong style cover to get to the screw that holds the round door on.
You should have access through the hole once the hole cover is removed.
Don't spray anything inside and cleaning should be done with a dry soft cloth.
If you need further instruction, reply to this post.