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29 'panasonic TV screen with colored spots

fauno41
fauno41
212
hace 5 años
hace 5 años
I have in my hands a 29 'panasonic model TC29GX39LC that arrived with vertical deflection problem and when checking I found the R517 and D515 burned. They are feeding the IC STV 9325 Replace them and after checking if something else was wrong I turned it on but it turned on with a new problem. Attach an image of what it looks like now because the TV turns on when you just connect and after about 10 sec. Turns off. I changed the vertical and nothing, solved the plate and it didn't work either. I await your responses, Thank you. IMG_20191230_181000.jpg [3.17MB]
tony078tecnico
hace 5 años

Hello, if you already fit all the eleelolytic capacitors of the vertical stage. You tried with another yoke medil for which you turn off is that resistance is protected or long after it heats up and gets short. You can add the chassis mumeeo

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fauno41
fauno41
212
hace 5 años

The chassis number is TNP4G405

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Oniiel S.
Oniiel S.
139
hace 5 años
hace 5 años
Greetings ... from what I see in the image you still have vertical problems, check the voltages in that area well, coming out from the source of the source such as welding, diodes and filters ... That fault you show in the image is symptomatic that a voltage is missing in the vertical IC.
fauno41
fauno41
212
hace 5 años

Thanks, I check

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fauno41
fauno41
212
hace 5 años

Hello, I tell you that I found the R516 open too, and this is vertical feed. Now the TV turns on and does not turn off anymore, but the focus is not right, I will continue checking. Thank you for your contributions and happy new year.

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fauno41
fauno41
212
hace 5 años

Friends, I appreciate your time, I told you that the cable that leaves the flyback to the CRT socket had been disconnected and that caused the focus to fail. The TV works perfectly and I feel happy to end the year with a successful repair.

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