I bought a Sanyo a little over a year ago. All was well until recently. The red color started to disappear and now I only have mostly green and blue. I bought another Sanyo and it seems to be playing ok. I was going to replace all my tv's with Sanyos but now I am afraid to.
What call I do?
Thanks so much,
Darlene Paris Pipkin
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Re: No Red Color
Just 'cos one Sanyo has started to act funny does not mean all Sanyo TVs are bad.
As for the defective Sanyo TV, it seems that there is some problem with the Red Output circuits.
Get a professional Technician to have a look. Nothing much you can do unless you know Solid State electronics.
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this sounds as if the tube (crt) as a intermittant short in the red gun , try tapping the neck of the tube very softly with a screw driver handle, this just might just clear the fault
the problem is at the crt base .there r three red,blue n green o/put.verify if there is dry in the soldering n check the red cathode voltage it must b around 150 .if not then check the resistor that feeds the red o/put.it could b 12 to 15k.
all crt have 3 driver color red blue n green,whenever one driver not working the color changes.that wat happened to ur tv
now i do not know wat model u have.the drivers may b transistors or now its ic that r being used like tda 6103q.best of luck
I would check the green signal all the wat to the display screen to determine is this is a signal problem or a system short. I would recommend that you take this set to a qualified electronics technician
The red transister on the CRT socket could be at fault. there is 3 transisters on the socket check for the voltages on all 3. If the red is high unplug the socket and see if it normal if not the transister or circuit feeding has a short. If low the same case seneral applies and a resistor feeding the transister is defective or the transister itself is at fault