Re: TNPA5105 rebuild

Repaired Panasonic TX-PR42U20 GPF13DE BLOCK TNPA5105.
Struck put
* Q661 (RJP63F3A), RJP63K2
Q401, Q402 (DG502LW), RJH30E2
Q422 (RJP43F4A). RJH30E2
And replaced the resistor R422, the resistance increased by 1 ohm.

Repair was limited to replacing only these elements.
During the initial inspection, it was found that the malfunction arose from behind the ring crack of the output of one of the transistors.

Re: New Members - please post your introductions here

I have been professionally repairing TVs since 1984. He started with Soviet tube TVs, large and heavy. Gradually passed all the Soviet, Russian and then foreign devices. At first he worked in the firm, but with the restructuring in our country, the equipment repair firms in small towns collapsed, now I work alone for myself. I got to your forum by accident, I needed information on repair
Panasonic TX-PR42U20 GPF13DE BLOCK TNPA5105 and found everything you needed.
Thanks, tw2005, for the complete and reliable in...