[TechAssist] Re: [Fwd: Sont KV27EXR95 how to defeat CRT blank on weak CRT?]
- From: Comune Marino <ragmandati@xxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 16 Oct 2001 14:03:33 +0200 (CEST)
Hi Phil,
did you get any answer for this quite common fault
with Sony tv sets?.I'm doing an home repair a Sony 32"
and found first a safety resistor that feeds the tda
8170 vert.ic blown,then i was rewarded with a blank
picture,my welleman oscilloscope sees a good Y signal
entering the croma ic.(TDA 4580) but flat output of
the R G B components,the sandcastle is excellent and
the supplies on the crt neck are OK,I fear a bad
crt.Any suggestion in defeating the blank screen?.Ciao
and thank you to all repliers.
Alberto
--- Phil Bader <philbad@xxxxxxxxxx> ha scritto: >
>
>
> -------- Original Message --------
> Subject: Sont KV27EXR95 how to defeat CRT blank on
> weak CRT?
> Date: Thu, 20 Sep 2001 12:13:01 -0400
> From: Phil Bader <philbad@xxxxxxxxxx>
> Organization: Jan Phyl TV Inc. Winter Haven, Fl.
> Estab. 1976
> To: "CONSUMERELREPAIR-L@xxxxxxxxxxxxxxxxxxxx"
> <CONSUMERELREPAIR-L@xxxxxxxxxxxxxxxxxxxx>
>
> I have a borderline -emmission CRT on this Sony,and
> we all know how
> these sets black out the screen in these cases
> (irritating). Is there a
> way to defeat this circuit easily to see the
> picture? What
> part,transistor,resistor etc? Thx, Phil
> Help make your TechAssist online repair tips
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