[TechAssist] Re: RCA Model GMR868PR, chassis CTC130B, need transformer

  • From: "al m" <ampm@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 29 Jul 2005 11:03:55 -0400

I replaced that transformer with one I got from Moyers electronics a long 
time ago. I think the AC output of the transformer was around 18 or 19V. 
Make sure the legs are the same.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message ----- 
From: "KENNETH BARNES" <KENNYB928@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, July 29, 2005 10:13 AM
Subject: [TechAssist] Re: RCA Model GMR868PR, chassis CTC130B, need 
transformer


> Damon:  Thanks for the reply....please note, the primary winding is OPEN. 
> Values I gave you are from SAMS.  I don't know the voltage on the 
> secondary winding as it is not marked on the schematic.  The voltage from 
> the secondary winding goes into a full wave rectifier to supply 27V D.C. 
> for the sound.  Age of set - 15 yrs. old.  Good pic, beautiful cabinet. 
> Customer wants it fixed.  Thanks for any further insight.    Kenny
>  ----- Original Message ----- 
>  From: Damon<mailto:damoneb@xxxxxxxxxxx>
>  To: techassist@xxxxxxxxxxxxx<mailto:techassist@xxxxxxxxxxxxx>
>  Sent: Friday, July 29, 2005 7:56 AM
>  Subject: [TechAssist] Re: RCA Model GMR868PR, chassis CTC130B, need 
> transformer
>
>  Doesnt' sound open to me.....28 ohms and 2ndary is 0.9......doesn't 
> stepping
>  down 110 V to what.....5V take about 22 times more windings than the 
> 2ndary?
>  I'm sure the 2ndary windings have to be a larger wire, since it's higher
>  current on the 2ndary-less ohms.
>  Now, do you think working on a CTC 130 chassis is a good thing to do????
>  It's what, 2 years old? or 20?
>
>  Damon B
>  Telrad Electronics
>  Fort Wayne IN
>  ----- Original Message ----- 
>  From: "KENNETH BARNES" <KENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx>>
>  To: "techassist" 
> <techassist@xxxxxxxxxxxxx<mailto:techassist@xxxxxxxxxxxxx>>
>  Sent: Thursday, July 28, 2005 9:42 PM
>  Subject: [TechAssist] Re: RCA Model GMR868PR, chassis CTC130B, need
>  transformer
>
>
>  > RCA Model GMR868PR, chassis CTC130B - Need standby transformer RCA part
>  #2863308-2  (according to SAMS 2622).  Primary reading 28.6 ohms, 
> secondary
>  reading .9 ohms.  Primary is open.  NLA.  Where could I purchase one? 
> Has
>  iron core.  Surely there must be a sub.   TIA   Kenny
>  > Kenny Barnes TV
>  > 928 S. Marshall St.
>  > Boone IA 50036
>  > Ph.  515 432 5250
>  > email:  KENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx>
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