[TechAssist] Re: CTC203AA5 F27338
- From: "Barry Thompson" <barrystv@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 8 Dec 2003 19:48:22 -0500
Replaced Q!4902 SM Same thing. Removed it and the sets ok.I am using a
ctc203ax1 schematic and the shutdown circuit is a little differant.I beleive
there is only 2 resisters, 1 zener and 1 pnp sm transister. could someone
send me the values of these.Thanks Barry
barrystv@xxxxxxx
Barrys TV
613 224 3406
Ottawa.Canada.
----- Original Message -----
From: <tvservice@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, December 08, 2003 4:21 PM
Subject: [TechAssist] Re: CTC203AA5 F27338
> I have used cTC187 crts and yokes on some CTC203 chassis without shutdown
> problems, however it is possible.
> check this:
>
> ----CTC203 F32669
> Shutdown cycles off/on.
> Defeat shutdown by removing CR14901 MAY NOT stop cycling off/on
> Replace leaky shutdown transistor Q14901 or Q14902- Original Message -----
>
> Robert
> tvservice@xxxxxxxxxxxxx
> H & H Electronics Inc
> Dallas, TX
>
> From: "Barry Thompson" <barrystv@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, December 08, 2003 11:55 AM
> Subject: [TechAssist] CTC203AA5 F27338
>
>
> > Hi All: I need some opinions on this set.I replaced shorted HOT and
> > resoldered L14401.This set now comes on with raster and shuts down and
> > resets and comes back again and again. Using the chipper checker I get
xrp
> > shutdown errors.I have checked all the components in the xrp shutdown
> > circuit.I am using crt from a ctc 187 for my bench jig which I have used
> > with other 27" ctc203aa5(with different model numbers) with
success.could
> it
> > be the mismatch yoke causing the problem.Thanks Barry
> > barrystv@xxxxxxx
> > Barrys TV
> > 613 224 3406
> > Ottawa.Canada.
> >
> >
>
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