[TechAssist] Re: RCA - CTC203AC, model F27664; shuts down, pulsates

  • From: "KENNETH BARNES" <KENNYB928@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Sun, 30 Oct 2005 19:35:23 -0600

  Thanks "tib" and Phil for the info.   Soldered R14127 and R14126.  Couldn't 
see that resistors were cracked, but soldered anyhow and set now works 
perfectly.....  Fixed!   Thanks again.     Kenny
  ----- Original Message ----- 
  From: tibstv<mailto:tiberiom@xxxxxxxxx> 
  To: techassist@xxxxxxxxxxxxx<mailto:techassist@xxxxxxxxxxxxx> 
  Sent: Sunday, October 30, 2005 6:32 PM
  Subject: [TechAssist] Re: RCA - CTC203AC, model F27664; shuts down, pulsates

  some notes i found
  Pull out the PIP module and look really close at two SMD resistors
  (R14127=243 ohms SMD & R14126=392 ohms SMD) for trimming adjustable
  regulator U18101=LM317=RCA 214704=voltage output it is on steel heatsink to
  source 3.3V power for PIP IC.One of two SMD resistors has cracked solder
  joint
  good luck
  tib
   On 10/30/05, tjanphyl@xxxxxxxxxxxxxxx<mailto:tjanphyl@xxxxxxxxxxxxxxx> 
<tjanphyl@xxxxxxxxxxxxxxx<mailto:tjanphyl@xxxxxxxxxxxxxxx>> wrote:
  >
  > Dumb idea but try it:
  > If it has an upright plug in board with the RCA and S video jacks on
  > it, (it's also PIP)unplug it and remove that board, then try the set.
  > Phil
  >
  > Phil Bader, Pres.
  > Jan Phyl TV Inc
  > Winter Haven, Fl
  > (863) 299-8821
  > estab. 1976
  > personal email: pbader@xxxxxxxxxxxxxxx<mailto:pbader@xxxxxxxxxxxxxxx>
  >
  > ----- Original Message -----
  > From: KENNETH BARNES <KENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx>>
  > Date: Sunday, October 30, 2005 1:25 pm
  > Subject: [TechAssist] Re: RCA - CTC203AC, model F27664; shuts down,
  > pulsates
  >
  > > RCA CTC203664, model F27664 (SAMS 4336). Push power switch, TV
  > > tries to start, pulsates three times and shuts off. HV comes up
  > > to 15KV. I can inject a signal at the base of the HOT and get
  > > 25KV and then measure the scan voltages. Then I have no video and
  > > no sound. Screen dark. Checked SMPS and other things including
  > > L4401. Any help here? TIA Kenny
  > > Kenny Barnes TV
  > > 928 S. Marshall St.
  > > Boone IA 50036
  > > 515 432 5250
  > > KENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx>
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  --
  TibsTV
  Tiberio Moreira
  412 Lancaster St.
  Leominster Ma. 01453
  Master Liscence # 9176
  978.537.5973
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  tiberiom@xxxxxxxxx<mailto:tiberiom@xxxxxxxxx>
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