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Re: Hitachi 53UDX10B convergence problem
Your set uses two stks number STK392-120 you can get new replacement ICs at the following link and they will provide free instalation instructions with pics for free when you order the ICs at their site, and they also provide free tech support in case you have additional questions that you need help with. Heres the link. http://servicemanuals.vstore.ca/
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You likely did not do all the steps required to fix it. If you bought a complete repair kit from sites such as Tv Repair Ktis go back and ask them for help. If you did not get one of their kits you can still purchase just the convergence repair instructions.
Replace the convergence ICs and feed resistors. You can get replacement ICs and resistors at the following link with installation instructions. If you leave them a email with your model number they will tell you the correct ICs and resistors for your model set. Heres the link. http://servicemanuals.vstore.ca/
More than likely it is a convergence problem. Best way to tell is to unplug the plugs marked red conv, blue conv, and green conv. Careful not to unplug yoke plugs by mistake, and make sure you mark plug and board when disconnecting. If convergence amps are the problem, set should power up with convergence plugs disconnected. Do not leave set playing very long. This is just to verify problem. Your welcome, Russmann.
I posted this for another problem so I think it holds true in your case to:
The problem with your Tv
might be the convergence corrcetion amplifier modules (2 STK392-110).
These modules often malfunction and produce the symptoms you are
describing. The cost of the parts is about from $12.00 - $32.00
depending on where you buy the parts from. The major cost will be the
labor, and if needed the cost of installing the biasing circuitry that
the modules use. This usually costs around $200.00 - $400.00 depending
on the shop.
Here are the basic instructions to replace the components you need to replace:
If you choose to do this yourself, here are the basic instructions: 1. Unplug the TV set 2. Take the rear bottom panel off 3. look for a large heat sink
with two large black ICs (STK392-110) (6 sided components but
rectangular in shape) on it, and remove the board the ICs are on from
the TV set. 4. Unsolder the components using a soldering iron and a suction solder remover. 5. disconnect the components (ICs) from the heat sink 6. Unsolder all of the bias resistors and replace them with the proper values (usually 220, 150, 3.3, 2.2, and 3.9 ohms) 7. install the new ICs (STK392-110) 8. solder all connections IC and bias resistors 9. Inspect for shorts 10. reinstall circuit board 11. Plug the TV set in and turn it on.
you need to replace both convergence ICs Number STK392-120 you can get replacements at the following link and they provide free step by step instructions plus free on line tech support in case you need extra help the job takes about 30 minutes start from finish. Here is the link. http://servicemanuals.vstore.ca/
Good Day, rojamon;
TV's don't have lemon laws but STATES do and depending on your STATE they have some laws pertaining to TV's normally not but for AUTO' s, YES.
Make sure the repair was performed by AN AUTHORIZED SERVICE CENTER, because there was an upgrade repair for your TV. Did they perform it? If not don't blame the factory but the repair company.
Have better Luck in the future, big IRISH.