[TechAssist] Re: RCA F35675MB CTC187CL3 "Smokes" C4105,C4107
- From: Andrew Rose <badandy2@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 29 Jan 2003 18:56:42 -0800
tryr4135- 27ohm r4136-10ohm c4127 10uf @63v
Andrew rose action TV
----- Original Message -----
From: "Jim Bailey" <baileystv@xxxxxxxxxxxx>
To: "TechAssist" <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, January 29, 2003 1:59 PM
Subject: [TechAssist] RCA F35675MB CTC187CL3 "Smokes" C4105,C4107
>
> Hi Techs,
> MODEL: F35675MB
> CHASSIS: CTC187CL3
> PROBLEM: Smokes the 10uf/200v & 100uf/250 Filter as soon as the ac is
> pluged into the wall outlet, first it will smoke the 10uf first replace it
> then 100uf smokes,
> I have replaced cr4106 diode and the STK730-150 REG. and xformer IHVT.
> WE Isolated the 140v lines by unsoldering pin 3 of xformer and connection
to
> the driver transformer and replaced filters and STK730-150 Reg and they
> still smoked.I havent found anything in the smps bad also have taken
> resistance measurements to ground no problems yet.Parts are blowing before
I
> can get any kind of measurments I changed the U4102 12V STBY REG no change
> if anybody has a tip or suggestion on how to isolate the load so I can
make
> volt. test on reg before it blows would be appreciated.
> P.S I have went through 3 sets of parts on this dog!
>
> Jim Bailey
> Bailey's TV Sales & Service
> Buckhannon, WV 26201
> baileystv@xxxxxxxxxxxx
>
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