Toshiba 57H81Problems Please Help

No good news here sorry!

Power board and video X and Y boards need intervention If you are going to take a look you will find that one or even both boards have blown capacitors and burn marks along the transitor

You might be able to claim it as fusion on your insurance policy ( parts only usually) but thyat at least is some relief


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Here you go :)
http://www.nodevice.com/user_manual/toshiba/television/57h81.html

It is flashing an error code. Call a good TV tech.
Check with the BBB 1st before you decide on one.

This is the Hyper Module that needs repaired. There are several small sm caps that dry out in this model. It's the module standing up to the right covered by a can as we call it. I really don.t recommend you trying to repair it. One slip and that module is done and you can't by a new or rebuilt one anymore. Please let a repair center look at it and do the work. You won't regret it.

A service manual won't help you on this and yes it's most likely the convergence amps. That unit takes two stk392-110 Sanyo amps. You can substitue with stk392-150's or 180's also... Personally I'd get them from acme sales in florida along with any solder, de-soldering braid, heat sink compound and other supplies you'll need for the job. Acme, because you are assured of getting originals not some chineese knock-offs.
I'd suggest a package of 1.8 ohm/2w resistors, looks like that's what this unit uses in the yoke return circuit and they commonly have failed, and likely the cause for the amp failure. You might also take a meter to any picos in the circuit. F850, 851, 852 and see if any of them are open. If the amp opened you're okay, but if it went to ground it may have opened a fuse.
I will send the manual via Pando - so if you don't already have Pando go there first and download their free program.
Bill

Small board called a hyper module bad .....can be rebuilt be
skilled tech or sent for rebuild..........................T.

My 57H81 won't converge, plus I get the "touch focus error" message. I could get manual convergence of blue, but not red. Plus, during touch focus the red would not move horizontally

Go to the convergence and align the red and blue + - Under Menu then Picture then convergence to get to this screen- Hope it helps

If you have zagged lines there are 10 small surface mounted capacitors you will need to change on the HYper Board. This is not an easy repair so alot of folks simply replace the hyper board. You will need a service manual to take this set apart and to get the proper part number. If you have no TV repair experience or do not know how to solder, as the hyper board has sheild arounfd it, you should play it safe and call out a pro to assist you in this repair. Good Luck

These ICs are the Japan types and available from partstore.com under part number C5AA00000108 for $29.08 + shipping apeice. These are original replacements for the panasonic parts. Good Luck Ps please do not forget to rate this