[TechAssist] Zenith model B27A11Z ( TA1268N) new IC bad?
- From: "electronics" <electronics@xxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 24 Jun 2004 17:50:17 -0400
TV had low contrast and no color, changed the TA1268N IC and had no change,
usually this is the fix but I had no change...bought these from Tritronics,
I did opt for the cheaper TT generic version...could the new IC be bad?
any help greatly appreciated.
-Tony
Anthony Moseley
Electronics Inc.
7027 Hwy. 441
Dillard, GA. 30537
electronics@xxxxxxxxx
----- Original Message -----
From: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, June 22, 2004 11:27 PM
Subject: [TechAssist] Re: RCA F36450 Chassis ATC113CA1 clicks 3 times
> What I see happening right now is on power on the power supply is dropping
> to 112V. I'm not sure if that is shut down or a load on the power supply.
> Flyback rings 28 times. Didn't check any parts in the regulator but in
> standby it is at 139V. Disconnected the flyback put a lightbulb in and it
> still reads 139 in standby, didn't try to turn it on. Replaced timing caps
> in horizontal but still shutting down will scope tomorrow.
> Al Marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 W Main
> Girardville Pa. 17935
> ----- Original Message -----
> From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, June 21, 2004 10:09 PM
> Subject: [TechAssist] Re: RCA F36450 Chassis ATC113CA1 clicks 3 times
>
>
> > Al,
> > You may want to check this, from Tech RepairCD.
> > RCA\F27443TX01 ATC113BA1\If any of these parts fail..replace
> all\\\ATC113BA1\TP20 main power fet 244223
> > $4.00*RP20 main power fet source resistor 244215 .1 ohm 5% 3W
$1.80*TP524
> SMD 215496 $0.90 shipped five to
> > a bag.\TP23 147665 $2.90*TP22 232218 $0.45*IP01 257786 $1.80*IP50 pay
> attention here 231525 $2.35*TP552
> > SMD 215495 $0.36\\\\\\\
> >
> > I have had the ATC221 click three times caused by bad connections on the
> ribbon cable connectors on
> > SSB..you have to heat these to reflow the solder.
> > Jeff
> > --
> > Intrepid Video TV/VCR Repair
> > 263 S Front St, Steelton PA 17113
> > 717-939-7708; (F) 717-564-4952
> > www.intrepid-video.com www.tech-repair.net
> > ----- Original Message -----
> > From: "al m" <ampm@xxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, June 21, 2004 9:09 PM
> > Subject: [TechAssist] RCA F36450 Chassis ATC113CA1 clicks 3 times
> >
> >
> > This is the first of these chassis I have seen. is the 3 click symptom
the
> > flyback on these like all the others?
> > Al Marquardt
> > ampm@xxxxxxx
> > Al Marquardt Electronic Repair
> > 206 W Main
> > Girardville Pa. 17935
> >
> >
> >
>
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