[TechAssist] Re: RCA VCR VR528/VG4039(GE VERSION) INTERMITTANT POWER
- From: "GJCHAMBERS" <gjchambers@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 31 Oct 2001 19:34:47 -0400
thank you paul, i will ck into it further,
gary
Gary Chambers
Chambers T V
Bradenton,Florida
Since 1982
----- Original Message -----
From: "C&W Electronics" <c_w_electronics@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, October 31, 2001 8:24 PM
Subject: [TechAssist] Re: RCA VCR VR528/VG4039(GE VERSION) INTERMITTANT
POWER
>
> Don't know Gary, this was listed in my vcr data file under VG4025, but the
> symptoms were what you described, so I thought that may be the same. It
was
> listed as the precision feed back for the power supply. I don't have any
pwr
> supply symptoms under the models that you listed. This is probably a
> different chassis. But, it was worth a shot.
> Good hunting.
> Paul W
> C&W Electronics
>
>
> From: "GJCHAMBERS" <gjchambers@xxxxxxxxxxx>
> Reply-To: techassist@xxxxxxxxxxxxx
> To: <techassist@xxxxxxxxxxxxx>
> Subject: [TechAssist] Re: RCA VCR VR528/VG4039(GE VERSION) INTERMITTANT
> POWER
> Date: Wed, 31 Oct 2001 19:04:29 -0400
>
>
> I replaced the voltage comparator ic ip003 but dont see an ic3.
> is this the same one? has 8 pins.
> thanks ,
> gary
> Gary Chambers
> Chambers T V
> Bradenton,Florida
> Since 1982
> ----- Original Message -----
> From: "C&W Electronics" <c_w_electronics@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, October 31, 2001 7:51 PM
> Subject: [TechAssist] Re: RCA VCR VR528/VG4039(GE VERSION) INTERMITTANT
> POWER
>
>
> >
> > Gary, check for defective IC3(KA431Z) in secondary of p/s. RCA#212572.
I
> > have this listed as defective like the C09 bad on other sets. The set
> only
> > blinks.
> > Paul W
> > C&W Electronics
> >
> >
> > From: "GJCHAMBERS" <gjchambers@xxxxxxxxxxx>
> > Reply-To: techassist@xxxxxxxxxxxxx
> > To: <techassist@xxxxxxxxxxxxx>
> > Subject: [TechAssist] RCA VCR VR528/VG4039(GE VERSION) INTERMITTANT
POWER
> > Date: Wed, 31 Oct 2001 17:48:06 -0400
> >
> > This vcr had diodes dpo26 and dp027 shorted,after replacing them vcr
now
> > blinks on and off about once a second.the display blinks at this rate
as
> > well.
> > i replaced cp007,cp008, ipoo1,ip003.
> > also ck'ed the resistors on primary side of smps transformer and all ck
> ok.
> > all voltages on secondary pulse up and down as well.
> > acts sorta like the ones that used that 22 uf bipolar cap in primary.
> > sometimes will stay on,untill you push a button, then starts cycling
> again.
> > any ideas?
> > thanks,
> > gary
> > Gary Chambers
> > Chambers T V
> > Bradenton,Florida
> > Since 1982
> >
> >
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