Recently, when turning on my 6 year old WS-55807, the horizontal edges of the picture have begun to bow inward from the middle about 4 inches. Coloration is fuzzy throughout the screen. The condition clears itself - usually within 10 minutes of so, but I know it is a sign of a permanent condition to come.
Is there anything I can do myself to fix this issue and avoid the inevitable?
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Re: Mitsu 55'' screen
The convergence ICs probably have a cracked solder joint on the foil side of the circuit board. Re-flowing the the solder would help.
I will always replace the convergence ICs when doing this job. The labor remains the same and you will have to pay a few extra bucks for the parts.
To fix this yourself, you will need to be able to identify the two convergence ICs (STK392-570), have a basic knowledge of electronics and be able to use a soldering iron.
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Hi, thank you for visit fixya.
Pull out the speaker cover ( slow toward your self).
You will see screws in the middle , take it out ( maybe is 4 o 6 screws), be careful with any wires connect to panel control. Disconnect any connector to panel control. Pull toward your self , slow and slide up . Use a fine brush for best result, use glass cleaner liquid.
Any question, I will be here.
If you need additional help, please send me a picture front tv and I will show the right process.
This is a convergence rpoblem that is either bad connections on the pins of the convergence ICs or defective ICs. If you can solder and are comfortable working inside TVs where there are potentially dangerous high voltages, let me know and I'll provide additional details and instructions for fixing this yourself.
It sounds like your TV is experiencing a CONVERGENCE CIRCUIT failure. YES, it is worth repairing, it's a great TV. The cost will be from $450.00 to $650.00; call an Authorized Service Center and have them give you an estimate B4 repair. Good luck, big IRISH. PS: It's Not An Easy repair to do your self.
This mis probably a cold solder connection in the horizontal circuitry called the pincussion. Theres a couple of coils and resistors that overheat from time to time and the solder connections get loose. Not really for a handiman has this tv has hi vboltage inside even when turned off. Shouldnt cost an arm ans a leg to fix if the repair shop knows what they Are doing. Good Luck