[TechAssist] Re: A Technical Question. (CTC169 chassis).

I had a 169 doing the same thing, check your standby B+,if its high check
the Base and emitter of the chopper output for a 100 ohms if its high about
170 ohms. the ic is bad.
Barrys TV
Ottawa
Canada
barrystv@xxxxxxx
----- Original Message ----- 
From: "LeRoy Westlund" <llw@xxxxxxxxxx>
To: "TechAssist" <techassist@xxxxxxxxxxxxx>
Sent: Thursday, May 19, 2005 2:18 PM
Subject: [TechAssist] A Technical Question. (CTC169 chassis).


> I have a CTC169 chassis that I pulled from a 32" set in the home.
> I have rebuilt the Reg. ckt., and replaced all the common failure parts,
> including the Chopper, IC, all Reg. e-caps, and CR4118, and C4103.
>
> I think the set is fixed, cause I have it hooked up to a 27" picture
> tube/yoke test set in the shop, and it shows a good picture, but only for
> about 10-15 seconds, and then it shuts down. If I leave the antenna
> disconnected, it will stay running for as long as I leave it on, but, as
> soon as I connect the antenna and tune to an active channel, it will shut
> down.
>
> I think the reason for this is the fact that I am using a smaller CRT /
yoke
> for testing.
> Maybe it's driving the CRT too hard, with the video coming through.
> I just wanted to check with you guys, before I take it back in this
> condition, to see if you agree that it might work normal after
re-connecting
> it to it's proper loads, in the home.
> I don't want to be embarrassed if it shuts down in the home. It will make
me
> look bad. Also it is a 25 mile trip one way.
>
> Thanks for any advice.
> I'd like to deliver it back later this P.M.
>
> LLW
> LeRoy Westlund
> Westlund TV & Electronics
> 97 North Main                             " I forgot,..to remember,..
> Centerfield, UT 84622-0087           to forget "
> Ph./Fax  435-528-3822
> mailto:LLW@xxxxxxxxxx
>
>
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