[TechAssist] Re: magi Model# RS2566B101 Chassis# 25S101
- From: armando guerra <birdie@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 09 Oct 2002 14:22:24 -0700
I would replace the reg.helper Q400.I think its a TIP47.
Mando
Birdie's TV & Electronics
Casa Grande, AZ
Rich Bateman wrote:
> This set came in dead. I found R432 in the start up circuit burnt. I
> replaced the resistor, C431 & C432 plugged the set back in and it burnt R432
> again. This time I replaced the 130V regulator ( str30130)& Q405 and D407
> even though they checked good. Again as soon as I plugged in the set it ate
> R432 ant this time it took out the Pico fuse F401 also. Surrounding
> resistors all measure ok and before the Pico fuse blew, the 161V source
> looked ok.
>
> Has anyone out there seen this before???
>
> Rich
>
> Richard J. Bateman, C.E.T.
> Electronics Program Area Coordinator
> Amherst Campus
> 716-691-0012 EXT - 232
> E-MAIL rjbateman@xxxxxxxxxxxxxxxxxx
>
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