[TechAssist] Re: RCA TV MODEL NO. F31221WN

  • From: "Larry E" <videotech@xxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 28 Dec 2005 09:58:57 -0500

Hi, I`m assuming this is a 169 chassis????? (CR4118), If so , Is your switch
mode (U4101) running?
do you have a stable 143 v standby going to the HOT? Is the Hot ok? Have you
tried pulling the plug
going to the audio outputs to see if it starts? (I think it`s p1903) a
shorted audio IC will cause your problem.
You need to be certain you have all of your standby voltages first, then
troubleshoot the run circuit, let us know
what you have so we can help, Larry E

Larry Eastman
American TV & Electronics
Crystal River, Fl. 34428
----- Original Message -----
From: "R&S ELECTRONICS" <rselect@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, December 27, 2005 9:58 PM
Subject: [TechAssist] RCA TV MODEL NO. F31221WN


> Hi Techs
> Once the TV is cold it clicks and high pitch squelling noise and shuts
down. 2nd or 3rd try nothing happens.
> Replaced: CR4118, C4102, C4108, C4104, C4110 .
> Does anyone tell us what else is wrong?
>
> Appreciate your help.
>
> Thanks
> R&S Electronics,PA
> TEL:(717)532-6312
> Email: rselect@xxxxxxxxxxxx
> --------------------------------------------------------------------------
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