Very good service Within one day i received a pdf of the users manual and electric circuits so I was able to measure the different voltages in the printed circuit and find out the fault Payment was also reliable and easy.Without the manual i could not have repaired.So thanks to "Search for a manual"
you are doing great job guys.....my father ask me to find out the schematics of Sony KV25R1D to sort out the problem ..(he was electrical technician, and excperianced with TV and simillar stuff). finally he found the cause and change all necessary parts....now he has got working old dog..and is very happy!!... thank you all.. NB..he also saved the repair cost.
Item as described, very well detailed manual with complete schematics. I've received the download information shortly after payment, very good support.
Text excerpt from page 28 (click to view)
3.) The image displayed with picture noise issue. Press “INPUT” button to re-catch the signal again. Check the signal cable. Check Main BD if there is no picture noise issue when you input the signal with the other connector.
Judge Change Main board. 4.) The image displayed with Dead Pixel/Line issue. Check the DMD chip if the bright dot issue when you input the signal. Judge Change DMD board or DMD chip. 5.) The image displayed with focus issue. Adjust the focus ring. Ensure the projection distance is in spec. Judge Change Optical Engine Module 6.) The image displayed with flicker issue. Check the Lamp Module Ensure the signal cable works well. Press “INPUT” button to re-catch the signal again. Judge Change Main board or DMD board. 7.) The image displayed with uniformity issue. Ensure the projection lens is clean. Replace the lamp if the brightness is less than spec. Judge Change the Optical Engine Module. 8.) The image displayed with line bar issue. Check if the line bar issue that can be fixed by “Frequency” function of OSD menu or not. Judge Change Main board.
