Question about Televison & Video
Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
Type in the brand name of your device, in the search box [at the top right] of the display window and the Search will start at once as you type in, and will show you all the related posts. It will make surf easy.
Posted on Apr 30, 2015
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Posted on Jan 02, 2017
SOURCE: Tv out of Focus
Well you did start out good, thats cool, now we have to define focus, Is ir blurry around the edges as well as the whole Picture? If it is, it could be the picture tube, A bad solder connection on the tube socket, and yes it could also be the flyback transformer.
Posted on Oct 06, 2006
in jvc av-27020 we called that problem as on timer.your red LED indicator blinking.the reason is your vertical ic is defective if your vertical ic is la7832 replace it with la7840 if there is no la7832.that is most common cause of blinking in jvc 27020
Posted on Oct 18, 2007
Two-blinks of the "Diagnostic STANDBY/TIMER LED" indicates one of two things:
1) Horizontal Output (Q502) in shorted on the A-board.
2) IC702 is shorted (CB board)
Two-blinks of the diagnostic red LED is a " B+ Overcurrent" problem.
The red LED will blink 2-times, stay off for 3 seconds, then blink 2-times. The cycle repeats.
The circuit board is quite delicate. One should not attempt repairs (unless one has high quality vacuum desoldering equipment such as a PACE desoldering unit).
Posted on Oct 21, 2008
Your video card is either blown or needs reseating. Is your pc booting. Check with another monitor. Do you have an add on video card or is it onboard. This is not a monitor problem as a rule put a PC problem.
Posted on Aug 01, 2009
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