[TechAssist] Re: RCA P46130WK
- From: htran <htran@xxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 11 Dec 2001 12:49:29 -0700
Hi Damon:
Thank You for the Info. I will them out
Hoa Tran
Damon wrote:
> OK, first NO RELAYs.....
> 2nd: Standby B+ is 143 volts at CR 4116, located on right side of HI
> Voltage transformer and lower left catty corner of SMPS transformer. Also if
> 143v is not 143-146, adjust orange potentiometer R4113 (by SMPS ic) to 143V.
> Otherwise, replace C4102--(22uf/100wv) and C4104 (15uf/50wv? Voltage not
> marked on schematics). If you have 143V then measure CR4118, 15 volts is
> preferred on this, 14 ok, but replace if the voltage is at or below 12
> volts.
> Thus ends your Standby circuit, or the parts that fail quite often in that.
> Also connected is CR4117 (7v source) CR 4120 (-17v for Audio) CR4119 (+17V
> for Audio).\
>
> Next: During power on your 143 may kick up to 145 max, that's within specs.
>
> Damon Brunger
> damon101@xxxxxxxxxxxxxx
> Telrad Electronic Services
> Ft Wayne, IN 46815
> ----- Original Message -----
> From: "htran" <htran@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, December 07, 2001 2:40 PM
> Subject: [TechAssist] Re: RCA P46130WK
>
> >
> > I am sorry my name is Hoa Tran. LED indicator does not turn on and no
> relay
> > clicking, as I tried to turn it on with the front panel or remote. I
> could
> > not find any mechanical relay on the PC board (could be using solid-state
> > relay). I do not know where to check the standby voltage maybe a
> schematic
> > will help.
> > Thank you for any information.
> > Hoa Tran
> >
> > Jeff Dougherty wrote:
> >
> > > Please sign your name, so we know who you are.
> > > Also, we need more information...
> > > Do you get relay click? standby voltage there, etc.
> > > Give us a little more to go on.
> > >
> > > Jeff
> > > mailto:Jeff@xxxxxxxxxxxxxxxxxx www.9-11-2001tragedy.com
> > > FAX 1-413-280-0677
> > > Intrepid Video & Electronics
> > > Harrisburg, PA 17111
> > > 717-909-8844
> > > www.intrepid-video.com www.tech-repair.net www.thetoolcaddy.com
> > > ----- Original Message -----
> > > From: "htran" <htran@xxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Thursday, December 06, 2001 4:41 PM
> > > Subject: [TechAssist] RCA P46130WK
> > >
> > > >
> > > > Hi group
> > > > I got this RCA TV Model#P46130WK Chassis#PTK169PXA the set will not
> > > > turn on with remote or front panel. I checked the power supply section
> > > > and there was a couple low caps but this does not fix the problem the
> > > > horizontal output transistor seem to checked out ok.
> > > > Any information or a schematic of this model will be appreciated.
> > > >
> > > > Thank You.
> > > >
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