[TechAssist] Re: 2nd Post repeat failure STK 730-30 in RCA CTC 187CL3
- From: "Wayne Vanaman" <Wayne@xxxxxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 3 Jun 2003 17:07:49 -0500
Did you replace the surface mount cap off of pin 6? Are there any breaks
where the traces meet the pads at the transformer? If you have any doubts
about the traces scrape them back and add some "trace" wire.
Wayne Vanaman
Omega Electronics
6904 W Fairfield Dr
Pensacola, Fl. 32506-3310
Wayne@xxxxxxxxxxxxxxxxxxxxx
WWW.PensacolaTVRepair.Com
850-456-5995 voice
850-458-6369 fax
----- Original Message -----
From: "Bill Dravenstott" <cdravens@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, June 03, 2003 4:53 PM
Subject: [TechAssist] Re: 2nd Post repeat failure STK 730-30 in RCA CTC
187CL3
> I have tried all suggestions with no result. Replaced diodes
> transformer,caps and resistors pretty much turned into a shotgun job and
> still won't go.
> TV will intermittently go to a noticeable buzz (in stand by) from switch
> mode transformer and output B+ (voltage 205V) and will not work. After a
> few false starts it will eat the STK again. We are beginning to replace
all
> the parts in primary and secondary power for the 2nd time. Thanks for any
> input.
>
> Bill Dravenstott
> Elza's Home Store, LTD
> 924 Union Street
> Ashland, OH
> cdravens@xxxxxxxxxx
> ----- Original Message -----
> From: "Bill Dravenstott" <cdravens@xxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Sunday, June 01, 2003 7:34 PM
> Subject: [TechAssist] 2nd Post repeat failure STK 730-30 in RCA CTC 187CL3
>
>
> > Hi All,
> > This RCA 35" F35673MB, CTC 187CL3 was repaired 2 months ago with STK
> 730-30 bad and CR 4106 shorted. Replaced with OEM parts from RCA.
> > Unit is back and intermittently will kill the STK 730-30 again while in
> standby mode. Have been able to get no handle on cause. In standby the
> voltage out goes to 207 volts and pin 1-2 go to 0 and it dies. May turn on
> and run normally 9 or 10 times in a row then it won't start just squeels
and
> dies. The earlier post lists a parts list we have tried. Maybe just bad
> regulators?? Trying another source. Anyone else seen this before?
> Suggestions?
> > Bill Dravenstott
> > Elza's HOme Store, LTD
> > Ashland, OH
> > cdravens@xxxxxxxxxx
> >
>
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