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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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This set just starting acting up after 15 years.
Yesterday the color faded out for about ten minutes and then came back. It did not go completely gray just very weak colors. The colors could be restored by adjusting the color using the remote. Then I got better and I had to back of the color setting to get back to normal Today it started out with the picture shifted to the left (from the viewer's perspective and had some horizontal tearing, The color intensity was erratic again. After about 15 minutes the horizontal problems seemed to resolve themselves, but the color intensity was still a little unstable. Things that are normal include: audio, vertical position and sweep, and there is no video blooming with a change in the picture. Any clue as to a possible single fault? I could just write this set off, but I am a retired EE with time to kill. I still have a soldering iron, a VTVM (yes VT is right) but no schematic. It's been years since I have had to attack the innards of a TV and I need a little guidance. At the age of this box I expect that there will be mostly PTH components and not surface mount. Charlie |
#2
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Charlie Bress:
If your Mits television has the PIP feature you will want to do a Google Groups search with the phrase "Mitsubishi PIP" ..... you will find enough postings and possible repair solutions to keep you reading all night. -- Best Regards, Daniel Sofie Electronics Supply & Repair --------------------------- "Charlie Bress" wrote in message ... This set just starting acting up after 15 years. Yesterday the color faded out for about ten minutes and then came back. It did not go completely gray just very weak colors. The colors could be restored by adjusting the color using the remote. Then I got better and I had to back of the color setting to get back to normal Today it started out with the picture shifted to the left (from the viewer's perspective and had some horizontal tearing, The color intensity was erratic again. After about 15 minutes the horizontal problems seemed to resolve themselves, but the color intensity was still a little unstable. Things that are normal include: audio, vertical position and sweep, and there is no video blooming with a change in the picture. Any clue as to a possible single fault? I could just write this set off, but I am a retired EE with time to kill. I still have a soldering iron, a VTVM (yes VT is right) but no schematic. It's been years since I have had to attack the innards of a TV and I need a little guidance. At the age of this box I expect that there will be mostly PTH components and not surface mount. Charlie |
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