[TechAssist] Re: ideas needed for a RCA ctc187cn3
- From: Jerry Wilkinson <scotvrpr@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 22 Sep 2005 14:22:19 -0700 (PDT)
use a d1887 , solder drive transf. replace 100uf 250v
cap on 140v line. do not use bulk bu407 or 507 as the
will blow in 5 sec. 5 hours or 5 days but they will
blow
Jerry Wilkinson
Scotty's TV Service
Livonia Mi 48152
--- Royal19960@xxxxxxx wrote:
> Hi all. Looks like a bad week.
> I have a rca f35670mb with a ctc 187cn3 in the shop,
> again!
> Came in with a squeel, shorted horiz output
> transistor. Replaced it with an
> origional from RCA and ran the set over 10 hours, no
> problem. Cust picked up
> sat and called right away with the same problem. H
> output bad again. replaced it
> along with the timing caps. Set ran againabout 20
> hours and then shorted the
> output again in the shop. Before this happened I
> looked at the waveform at the
> output and it looked clean. any ideas?
> Thanks in advance
> Roy
>
> Bonded TV Service
> 5158 W Forest Home Ave
> Milwaukee, WI 53219
> 414-541-9111
> Web hosting from only 4.17 @ month at BondedHost.com
> over 8,000 tubes at Bondedtv.com
>
>
>
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