[TechAssist] Re: magi Model# RS2566B101 Chassis# 25S101
- From: Richard Lsa Placa <continentaltv@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 9 Oct 2002 12:15:56 -0700 (PDT)
I found that when the solder joints crack around Q 400 the reg IC runs too hot
and leaks ,taking out r432.It took 3 trips and 3 str30130's to find that.
walter wood wrote:
Check Q400, Q403, Q402.
Most likely culprit, Q400.
HTH
Walter
--- 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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=====
Walter Wood
Future Tech Home Center
2786 Hwy. 43 N.
Lawrenceburg Tn. 38464
931-829-3337
Fax 931-829-4044
mailto:wwood_38478@xxxxxxxxx
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Thank You!
Richard La Placa
Continental TV
Chestertown MD,
410-778-1113
http://www.continentaltv.homestead.com
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