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Check its Ariel connection. If found OK, check and replace its tuner.
If you wish to get some details; check the site linked here. Pull up older posts.Surf the site with patience.http://electronicshelponline.blogspot.com/
You best bet for getting those would be to purchase a non working unit off of an online site. Ive seen them go for a very low price as opposed to what one would cost new. An alternative would be to call the company directly and see if they could sell some.
Hello jorge and welcome to FixYa. With your particular model of television six blinks mean a Horizontal Drive Failure has occurred. If you have any television repair experience you could try checking the jungle for loose or possibly bad soldering. In some case the jungle IC was found to be defective on this model as well. You should also inspect the horizontal drive transformer windings if at all possible. If you are unable to repair this yourself I would personally say to you no it is not worth the cost to repair it as purchasing a new television would probaly be a more prudent decision. I hope you found this helpful and thank you for visiting FixYa.
Any malfunction associated with a flashing light usually indicates a
circuit problem or defective component. Unfortunately, the days of
taking off the back cover of your TV and replacing a defective tube or
fuse are long gone. Proper servicing will require troubleshooting
procedures that can only be performed by a qualified electronic repair
facility or professional television repair person. Ask for an estimate
and a realistic appraisal of whether the set can be adequately fixed.
Depending on the age and condition of your TV it may not be cost
effective to repair.
If you can see the menus this means the CRT, high voltage, scan amplifiiers, the output video processor, and CRT drive circuits are working. The fault is most likely in the video section of the input select circuits.
Maybe the Toshiba parts department can supply a service manual for your set. With a signal source, a scope, and a DVM, an experienced technician can troubleshoot your set to locate where the failure is occuring.
I have not serviced this model, but in other models I have found the main input select IC to be defective. In some cases I also found a bad voltage regulator IC that supplies the input section has failed.
Toshibas are notorious for developing shorts in the inernal guns of the picture tube. In your case the green gun is shorted to G1. The noise you heard was an internal arc between the elements.
It is unfortunate however, the repair of this problem usually requires the picture tube to be replaced. Sometimes a savvy technician with sencore picture tube rejuvenator can remove the short. This however usually does not last. Scrivitron