My TV was working good till a few months ago then it went from a 36" screen down to a 2" horizontal line in the middle of the screen. it would go back to normal for a while but it needed a bump on the sides and now nothing brings it back. how can i repair it my self?
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Re: Toshiba CZ36V51 picture problem
Sir, if you are not a technical person what i mean does not really repair like this equipmetns then it will not be easy for you to repair this. but ill give you an idea of what's wrong with your TV. Just cold solder or loosened solder on the vertical amplfier section. But if you can handle soldering and also dismantling the main board then you can just try to find the vertical amp section and look at those solders of parts around for loosened welds. just resolder it. be careful not to short any part or it cause major trouble and make your problem bigger. For a technical person, this trouble is a simple one.
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Sounds like you have a horizontal timing error causing the mirrored image. It is fixable but would require the main board to be replaced. The part number is 23783078 but appears to be no longer available.
Ok, The vertical Ic is IC301 Ta8427K And Capacitors around IC chroma 2.2 uf 50 volts. You will see small red capacitor ( with C302....4 or 5 ) reference. Replaced others capacitors on vertical section 220 uf 35 V or 100uf 35V. I hope this can help you. Or if do you have any picture chasis, send to me and I will show you where are the problem., Thank you
No picture - screen is empty. Sound is ok
Check IC101 (BA7630F), if video signal comes to input (pin 1) but not present at output (pin 14) then replace this IC No picture and sound, only a high pitch sound at switch on
Remove horizontal transistor and measure the resistance across any two pins. This value should be no less than 200ohms
Picture fades away few seconds after start-up till no picture.
Sometimes no picture at all. Sometimes picture OK for longer. Sound
Faulty joints on CRT pcb. Cracked solder joints at tube socket
connections on CRT circuit board. Caused variable supply to CRT
heaters. Resolder all socket pins to pcb.
A set that has only a 1/2 inch bright line through the middle of the picture, from left to right, has a vertical output IC that is not working correctly. If the 1/2 inch line is in the middle but going up and down, then the horizontal yoke circuit has stopped working. These are problems which should be looked at by a qualified tech, but if the set was purchased 6 months ago then it should still be under the manufacturer's warranty.