Hi Guys ( and gals... don't want to stereo type ;-): I have a friend with this toshiba model.... issue: in the picture there is a red horizontal line. How easy is this fix? Were poor solder joints an issue on these like the ones that plagued the older Pioneers?(too easy a fix ) IC replacement no doubt... Would you have a part number?
Thanks in advance for your attention to this request...
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If you are connecting the unit by componet cables (RED,GREEN<BLUE) check the cables first to make sure all are connected. If you find they are ok then your red tube may not be lighting up. If you are using a cable box try connectioning the set direct to the cable outlet on your wall. You could also be missing red drive signal to the CRT, in which case service is needed.
Red color gun has failed, which will make the picture over saturated with the other two colors(blue,green) the bad news is the three color guns need to be replace in a set(all at the same time) because if you only replace the red it will over saturate the older blue, green guns then your picture will be mostly red.Unfortunently in most cases it's not worth the investment, better off to purchase a new tv. Good luck !
Hi Guys, Looks like your advise took care of the problem. I adjusted the power knobs for each of the RGB guns on my Sony 51 inch projection TV. The color looks great and I don't seem to have the blinking indicator light bugging me any more. I will be sure to suggest you folks to anyone with these type of technical questions.
through the front of the tv behind the speaker grill and behind the panel in front if the CRTs there will be a square object with 6 knobs you can turn. grab a flashlight and twist the RED SCREEN control to the left until the red is less prodominate. make sure you still have some red because then the picture will look purple. that adjsutment is called G2 or SCREEN control adjustment. try that be careful though because tooo far one way and the picture might start to blank.
make sure that you check all connections coming from your video sources also.
It is a good possibility you damaged something on that PCB that had the IC's, I like to use an upgraded chip the STK394-160e that is designed for HD signal stresses. I dont know why they ordered the convergence board but I suspect it would have been ok, there are also 2 jumpers that need soldering JW10 and JW50 that supply power to the chips and they REQUIRE resoldering or it will fail again. Might try reseating the RED CRT board, check for cables that you may have unhooked to see if they are not seated in their sockets properly, double check every wire you unhooked, Make sure you used a Silicone Heatsink Compound on to the back of the IC's. I dont know what all you unhooked, but check the wires going between the CRT Boards. Check for cracks in the boards to make sure they werent flexed to much. Good Luck.