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Panasonic TC - 2955 - r line color television picture is insufficient and field of big fault repair methods

Time£º2014-05-28 10:06:21  Source£ºNetwork  Author£ºUnknown  Clicks£º1543
  
Xv3service manual download site
 Xv3service manual download site
To find information, and finally in 1998 "e-paper" boxed set book1&book 2 on page 86, titled "the pine F2197R color TV (MX - 4 machine heart) 12 c bus adjustment" found in the article. This paper is described for the maintenance way into: hold down the "memory" button on the remote control. Then press the volume of the TV "one", namely into the maintenance state. Each time you press the "P" on the remote control key, namely a change project. Test according to the method, and sure enough screen appears white grating and the sound is normal, that has entered maintenance way. The next step can press the "P" button on the remote control to seek to adjust project, problems appeared at this time, only the "N" key on the remote control is not "P" key. Er instructions. The instructions of the remote control is not consistent with the real remote control, remote control on the manual in the position of the four key, has not pointed out that its purpose. But will be in key as a "P" key by the experiment, the results are not, so we have to press "N" to exit maintenance way. Again by manual check "select" button should be "P" key, and this button on the TV, but not on the remote control. Xv3service manual download site
 Xv3service manual download site
Then again the state of repair. According to the "option" key on the television, indeed as expected images, and the lower part of the image in PA (about distortion). Each time you press the, that is, a change project. Continuous press can be recurring. First of all find out "HW" line correction, according to the TV Bi volume try "+" volume "-" button. As the tag around mobile, line but can small adjust. After correction, appropriate, and then find out the VH field amplitude adjustment, indeed as expected indicator is too large, transferred back to the middle position, the field of normal. In the process of adjustment, can be intuitive background image change, is very convenient. Adjusted by only once after the "N" button on the remote control, namely the exit status of maintenance, do not have to be according to the second, the machine maintenance.