[TechAssist] Re: RCA F27450, ATC113BB1 SMPS noise, HOT shorted...

  • From: <tvman@xxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Thu, 2 Dec 2004 19:59:51 -0330

Hi Phil this may help you now or later Eric
ATC113CA1  Loud buzz when plugged in.  Replace shorted CL03 242907 on main
board and TL81 219025 & TL82 223656 on E-W correction board.
TELEVISION  RCA  ATC113  Squeals when plugged in  Q14401 shorted #237470 and
solder L14401
TELEVISION  RCA  ATC113BB1  IMMEDIATE SHUTDOWN  Flyback(263971)
TELEVISION  RCA  ATC113CA1  Shots off  ***Replace flyback 257/805***
TELEVISION  RCA  F32450 / ATC113CA1  Daed Set  Resolder L14401, May Look
Good.
TELEVISION  RCA  F32450/ ATC113CA1  Relay Clicks, No Start Up  Resolder
L14401, may look good.
TELEVISION  RCA  ATC113  main fuse blown - components check ok  replace
thermistor 207768
TELEVISION  RCA  ATC113  DEAD. Squeels.  Replace TL02 and resolder LL04.
TELEVISION  rca  f32650 ch#atc113  inoperative remote on set but remote is
good  replaced ir13401 on the control board rca p#245282
TELEVISION  rca  atc113  deade set  short resistor---rp27--located in power
supply..





E M Electronics
Deer Lake NL
Canada
tvman@xxxxxxxxxxxxxxx
eric.manuel@xxxxxxxxx
----- Original Message ----- 
From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, December 02, 2004 6:36 PM
Subject: [TechAssist] RCA F27450, ATC113BB1 SMPS noise, HOT shorted...


> A customer DIY-er opened this dead set after it failed and said the
> power supply was squeeling. He left the set with me. I found the HOT
> transistor was shorted (TL02) Hence the squeel.. This set  looks like it
> uses a coil to the HOT base marked L04?, looks like the infamous L4401
> in the CTC203 that gets loose and destroys the HOT.  Possible loose at
> one end.Think the same here?
> This is a new chassis to me. Need some common sym/cures related to bad
HOTs
> Thanks,
> Phil Bader
>
> -- 
>
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
>
>
>
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