Question about Mitsubishi VS-45605 50" Rear Projection Television

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Mitsubishi VS-60705 I believe I have convergence problem. Suddenly red and blue colors took apart. Right upper corner is O.K. on the rest of the screen blue text (picture) separated from red. Please let me know which IC (or circuitry) supports this function and it location. Also if it possible plese help me to get schematic. Thanks in advance.

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Re: mitsubishi VS-60705


Posted on Aug 21, 2007

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My mitsubishi vs-60705 has very poor picture clarity. It can be described as hazy and the color is weak.

It may be a convergence problem...but not sure based on your description.

Here are some of the most common symptoms and example photos of a convergence problem

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
Here are some photos of convergence problems.

Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.


You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

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The convergence IC's will need to be replaced along with possible resistors and/or fuses.

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The part you are describing is actually the red picture tube, not a lamp. The tube will come dry and you will need to disassemble the lens assembly on the old tube, drain the coolant (antifreeze), reassemble the parts and seal on the new picture tube, fill with fresh coolant, install the new tube, reconnect all wires including the dangerous high voltage lead, then realign the yoke and entire convergence circuits. This is not something that should be attempted by anyone without experience. If you try it yourself and the seal is not working perfectly, the coolant will drip down on your main boards and the set will be ruined. If you slip while lowering the new tube in the chassis there is a good chance you will crack the tube's neck, and that tube will be useless too.

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