Proton MM2701VT 27" TV "abl circuit crt" Questions

circuit. solution 1 turn focus control on flyback transformerin such a position where you get sharp image. 2 focus control wire going to crt base is loose on crt base due to foreign material drposited

...The Soft Picture: As the CRT emission decreases with wear, the beam focus current will no longer be able to form the electron beam to be sharp pointed on to the mask on the face of the CRT. I would ...

...ABL (automatic brightness limiting) circuit, crt circuit or in horizontal deflection and high voltage circuits. probably a leaky component that when it get warm it it looses its function or maybe a ...

...unplug Crt socket from pix tube.Measure filament voltage on CRT PCB.If present,suspect bad pix tube.If missing,solder any/all connects in filament circuit,meaning CRT board first then main

...CRT doesn't show the red colour Problem with RGB circuit. Check the red signal drive electroncis. There are a number of potential causes of this problem from a bad CRT to a simple poor solder ...

...ABL (automatic brightness limiting) circuit, crt circuit or in the horizontal circuit and high voltage circuits. according to your experience, it seems that a certain component is already ...

...voltage of each cathode, normal levels depend on picture is around 130-150V. Missing 200V to crt board. Screen voltage problem normal 300-500V. Flyback or bad crt. ABL circuit problem. Jungle

...blinking continuously how to solve plse help me Unless you get tv out of timer mode you will not be able to do anything. Try unplugging it for a few hours to see if the memory circuits lose the ...

circuit areas, and or bad CRT causing possible protection shutdown. If you can have the service manuals, have the test facilities, and have a lot of TV service experience you should be able to service

...CRT but did'nt notice any change and put back to factory positions. Any help/direction would be great. TIA. Bill- it sounds like a pin-cussion correction circuit failure. A tricky circuit to ...