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Purple Color In CRT TV Repaired
One day one of my friends called me up and stated the problem as mentioned below:
On his call I have visited his home while back to home from the work and I have turned ON the TV; getting exact symptom as stated. So first I have checked signal cables which come from Set top Box found ok. So now it is time for operation.
So I have opened the TV for further diagnosis and started visual inspection – till nothing found like physically damage or burnout parts. So I have started troubleshoot from the CRT Base PCB, with help of screwdriver handle I taped on the CRT base PCB & I have got positive sign of suspect, for a moment screen got clear image and turned back as it was purple.
That means there is some loose connection. So I have removed the CRT Base for inspection.
On visual inspection everything seems to be Ok on component side.
Finally I took out my magnifier glass to inspect on solder side of the PCB and I Have found lots of dry soldered points through my magnifier glass.
Now it is time to revive the solder joints on suspected area.
After Refreshing the solder I have attached the PCB on its location and power ON the TV and see the result. Yes problem solved.
For reconfirmation about fault I have again taped the area with help of the screwdriver handle I found this time it is firm.
This article was prepared for you by Yogesh Panchal who works as a Computer Hardware Engineer in Mumbai India.
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Note: You can check his previous repair articles in the link below: