[TechAssist] Re: RCA G35830WK CTC169JS6 Vertical collapse after hours or even days
- From: "tvservice" <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 20 May 2004 14:27:57 -0500
try this old post
I've had it twice. Had an open winding for pins 2 and 3 of the fly
> which feed the vertical circuit, pin 3 thru the horiz. drive transformer.
I
> think pin 2 should have 300vpp and pin 3 125vpp. Not that common but could
> have an intermittent on that winding.
> Terry H.
> The TV Shop
> Gonzales, Tx
Also R4714 may open
and check/change C4518, C4519 both .33mfd disc or maybe yellow polyester
caps.
and C4521 surface mount cap
hth
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: "Gerald Gann" <alpha21century@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, May 20, 2004 1:34 PM
Subject: [TechAssist] RCA G35830WK CTC169JS6 Vertical collapse after hours
or even days
> RCA G35830WK CTC169JS6 Vertical collapse after hours or even days
>
> Did a lot of soldering on board and replaced the 8 pin vertical IC
LM311N. This time it played fine for 2 days.
>
> Tried heat and freeze spray. No effect. Flexed board, beat on board.
No effect. I still think it has to be heat related. It played two days with
the back off. Put the back on and maybe ½ hour or two hours. I don't know
why the heat gun didn't make it collapse. Shut it off let cool on it own
and back on you have full deflection again.
>
> Any one ran into this before? More soldering? Thanks Guys
>
> Jerry
>
> Alpha 21 Electronics
>
> Granite City, IL 62040
>
> Ph. 618-452-8620
>
> Fax 618-876-5157
> www.alpha21century@xxxxxxxxxxxxx
>
>
>
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