I have perfect sound! but no picture? only vertical color lines. i change channels i can see the channel's logo (CBS, HBO in the corner?) repair guy came out. said possible the "ysus" board? It looks like there is only 3 boards inside. Power supply, "y" board and another? The board cost $430. how can i tell if this is the problem? Should i check the power to the board (+5volts etc,,)
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Re: hitachi plasma 42edt41
The Y sustain board is not your problem because you have a picture. The problem is most likely the controller board and or the XR or XL board. It would be helpful for us if you post a photo of the symptom. Good luck
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The Tech you had come out could be dead-on from what you've described... It could also be a bad connector. I've attached a couple of photos here to my explanation. One is a picture of what I am guessing you see on your screen when you power it up. If correct, you could possibly take a look at a line connector between the joint and formatter power board yourself and see if any of this is damaged.
To answer question more pointedly, (1) There are more than three boards inside, actually nine major board modules to be exact. (2) The Y SUS board, Hitachi p/n#TS05679, without going into great detail, determines the image position on the screen. (3) Cost - - Tritronics has this board at a list price of $436.22 and they are not as easy as they might appear to a layman to change...
There are two boards at the bottom of the set connected to the panel. Follow the black line to the boards(it will be inline with one or the other) either that board is bad or the panel itself is bad . The boards do not meet exactly in the middle.