Question about Televison & Video
Sounds like a cracked screen or defective LCD panel, pictures would be great
Posted on Nov 27, 2012
Solved: Over the course of time, the cheap plastic frame and stand starts to put uneven pressure on the LCD causing it to malfunction. I guessing this could be heat related. Definitely a design flaw. Remove the bottom of the stand and very slightly loosed the small screws around the back of the frame allowing the LCD to have some wiggle room. After I did this, it worked. It will still misbehave if you stress the LCD, but normally, it shouldn't. I am going to try to mount the TV using the rear VESA mounts & see if it will still work.
Posted on Mar 31, 2013
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Posted on Jan 02, 2017
SOURCE: Big grey/black spot
Is it a fuzzy spot or an actual hard edged black spot?LCD televisions can have a loss of pixel display- most very small. Was the TV hit with something or dropped against something (the screen)?
OR Try this first:
Black box appears on the screen
• Closed-captioning might be on. Check the Analog or Digital Caption option in the Setup menu.
Please let me know if your problem is solved. Thank You.
Posted on Aug 15, 2008
(Yes, this is a cross-post from another thread...I just wanted to help everyone on the various threads on this issue...please do not flame me)
Ok...once and for all I will explain the fix (in detail...which has been missing)...
1) Firmware updates do not fix this problem. I had this problem, and updated my firmware to the latest versons without success. Also, cleaning the light engine (or any other part) does not fix this problem. If you cleaned your TV and your problem disappeared, you had a different problem.)
2) This repair requies a special tool from Panasonic. The tool is part number LSUQ0100. It is light grey in color, and is roughly 7" x 5" x 1" in size. It has diagnostic lights on it, and a button to press to start the procedure. This tool is used to reprogram your EEPROM. Again, this is VERY different than flash upgrading your firmware.
3) To repair the TV, the repairman must remove the lower back of the unit and plug the long, 5-wire connector (5 individual wires terminated to one female connector end - reminds you a bit of an old-style CD-ROM audio cable used in computers) into a male recepticle on the light engine.
4) The procedure takes roughly 6-7 minutes to complete. The TV remains on during the procedure (yeah, I was a bit surprised too). About mid-way through the procedure, your colored ball-shaped blotches will just disappear....no on-screen progress bar, no bright flash, the spots just disappear in the blink of the eye.
5) CALL PANASONIC!!! They are standing behind these TVs, and are covering these in-home repairs free-of-charge - EVEN IF YOUR TV IS OUT OF WARRANTY. Mine was out of warranty by over a year. The Panasonic rep was very kind, but did explain that this is the only repair for these TVs that they will cover out of warranty, as it was a defect in the manufacture of the unit - all other repairs are at the expense of the customer.
Good luck to all - I hope this helps some of you!
Cheers to Panasonic for standing behind their products like this....you don't see that very much these days!
Posted on Sep 25, 2008
one of the floresant bulbs has fail there is a place in Haverhill Ma called Tops Electronics that can fix you up really quick but you will have to ship it to them they do good work there
their new name is pinnacle solutions group over 30 year serviceing
Posted on Sep 18, 2009
SOURCE: I have a SANYO DP46848,
Ray I have just about the same issue . But my only problem is the thin black lines. Do you think cleaning the flex cables coming off the Tcon will help at all? This is the same model DP46848
Posted on Oct 02, 2012
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