Question about Televison & Video
Posted by Anonymous on
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Posted on Jan 02, 2017
MMMM Hard call here. The fact that it does try to come on blue maybe an indication that the power supply regulator circuit is good. It could also be a shorted blue tube and when it comes on its overloading the screen drive and the set goes into overload protection shutdown. The real way to see Would be to pull off the blue crt socket as well as the Hi Voltage lead on the crt and see if the set comes on without blue. If it does Your gonna need a pict tube. If it dosent then troubleshooting along the switched power supplys would be neccassary.. BUT I advise you THAT IF YOU HAVE NO EXPERIENCE TROUBLESHOOTING TV SETS PLEASE SEEK A PRO TO ASSIST YOU AS THERES VERY HIGH VOLTAGE INSIDE THESE SETS EVEN IF THEY ARE UNPLUGGED. GOOD LUCK
Posted on Jun 29, 2006
SOURCE: picture flicks on and off
remove back panel of set look at the pcb boar conecting to the crt, look for a wite or black ajustment knob not all sets have them but most do, it called the g2 seting turn up your g2 a bit pic should come back the sad thing is this meens you pictortube dosent have much life left in it.
Posted on Jan 09, 2009
i believe your tv is getting overheated, possibly from dust getting onto the electronic components inside. or the inverter board for the lcd panel inside is going bad, alot of times it is the capacitors on the lcd inverter board going bad.
Posted on Jun 12, 2009
SOURCE: My Panasonic 27
your tv set need parts Resoldering.
intermittent color changing is cause by cold solder joints.
have it serviced by a reliable electronic repair center or person.
you should not be charge a lot.
if you wish to fix it yourself,
you need a Soldering Iron (about 60watts) and soldering Lead (60/40).
air blower (for fast Cleaning) or
[1inch paint brush (for cleaning)]
unplug and place your set to your work bench then open the back cover.
(since you say its old, expect lots of dirt/dust inside your set, use the blower for easy cleaning).
if you have completely access of the solder side of the circuit, just resolder the joints. BE CAREFUL... DO NOT CONNECT SEPARATE JOINTS.
if you don't have experience with electronics i advise you have it to a repair person.
hope this helps you!
Posted on Jun 14, 2009
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