[TechAssist] Re: RCA G35300WK CTC169BA Blowing Pincushion

  • From: "bobstv" <bobstv@xxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 30 Nov 2001 07:18:18 -0600

Check your yoke return capacitor C4403 probably shorted,  this is a fairly
common CTC169 problem.(Big orange cap)

Robert J. Delhommer, Sr.
Bob's Electronics & TV Service
Maurice, LA

----- Original Message -----
From: R Herring <supertek66@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, November 29, 2001 10:48 PM
Subject: [TechAssist] RCA G35300WK CTC169BA Blowing Pincushion


> HELP !
> this dog is really bite'n me
> I repaired power supply usual C4102,C4105,C4108,CR4118,C4143,C4145.
> When powered up R4719 at C-Q4705 on/off switch smoked and found Q4702,and
CR4401 damper shorted,
> so replaced those and C4401,C4402,CR4402.
> Now U4801, Q4802, CR4401 blows their top when powered up if yoke
connected.
> Standby volts +153, +7.4, +13.5,+17 and -17
> Will come on and run if leave horizontal yoke disconnected.
> Run voltage +143.3 others ok except +26v off T4401 pin 10 reads +36v
> now needs U4801,Q4802,CR4401,CR4805,Q4804
> Have tried subbing different crt/yoke with same results.
> Please anyone that may have seen this or have idea my ears are open.
> TIA
> Robert
> H&H Electronics Inc
> supertek66@xxxxxxxxxxx
> robert_herring@xxxxxxxx
>
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