[TechAssist] Re: RCA VCR VR528/VG4039(GE VERSION) INTERMITTANT POWER

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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