[TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse, need to know part numbers

• From: "Wayne Vanaman" <Wayne@xxxxxxxxxxxxxxxxxxxxx>
• To: <techassist@xxxxxxxxxxxxx>
• Date: Thu, 9 Oct 2003 13:08:36 -0500

Q17910 is an SMD on the bottom at grid G7.

Wayne Vanaman
Omega Electronics
6904 W Fairfield Dr
Pensacola, Fl.  32506-3310

Wayne@xxxxxxxxxxxxxxxxxxxxx
WWW.PensacolaTVRepair.Com

850-456-5995 voice
850-458-6369 fax


----- Original Message ----- 
From: "Kevin" <kevintv@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, October 09, 2003 2:36 AM
Subject: [TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse, need to
know part numbers


> Mine is 250686.  I can't find Q19710 on the 250686 board.
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Wayne Vanaman
> Sent: Wednesday, October 08, 2003 3:39 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse, need
> to know part numbers
>
> Extra income.
>
> The diodes on the secondary were insufficient.  Supperseded by 234048.
>
> cr19710/cr19713, 234048.
>
> 250686 is the late production part number.  This PCB uses discreet
> components in place of the STK IC.  If you have one of these replace
> these
> parts.
>
> Q19701 pn 246967
> Q19702 pn 147665
> Q19703 pn 232218
> U19701 pn 231525
> Q19704 pn 229220
> U19700 pn 231525
> Q19710 pn 215495
>
>
> Wayne Vanaman
> Omega Electronics
> 6904 W Fairfield Dr
> Pensacola, Fl.  32506-3310
>
> Wayne@xxxxxxxxxxxxxxxxxxxxx
> WWW.PensacolaTVRepair.Com
>
> 850-456-5995 voice
> 850-458-6369 fax
>
>
> ----- Original Message ----- 
> From: "Kevin" <kevintv@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, October 08, 2003 5:21 PM
> Subject: [TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse, need
> to
> know part numbers
>
>
> > Does anyone know why the convergence P/S boards are failing at such a
> > high rate?  Thanks.
> >
> > Kevin Wilks
> > Kevin's TV & Video Repair
> > Penticton BC Canada
> > kevintv@xxxxxxx
> >
> >
> > -----Original Message-----
> > From: techassist-bounce@xxxxxxxxxxxxx
> > [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of
> > tvservice@xxxxxxxxxxxxx
> > Sent: Wednesday, October 08, 2003 1:42 PM
> > To: techassist@xxxxxxxxxxxxx
> > Subject: [TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse,
> need
> > to know part numbers
> >
> > 1.2 ohm 2 watt #250661
> > Robert
> > tvservice@xxxxxxxxxxxxx
> > H & H Electronics Inc
> > Dallas, TX
> >
> > ----- Original Message ----- 
> > From: "Kevin" <kevintv@xxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Wednesday, October 08, 2003 1:48 PM
> > Subject: [TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse,
> need
> > to
> > know part numbers
> >
> >
> > > Robert, what is R19706?  It discolored when I replaced the fuse and
> > > plugged in the set.  It measures 1.6 ohms.  Thanks.
> > >
> > > Kevin Wilks
> > > Kevin's TV & Video Repair
> > > Penticton BC Canada
> > > kevintv@xxxxxxx
> > >
> > >
> > > -----Original Message-----
> > > From: techassist-bounce@xxxxxxxxxxxxx
> > > [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of
> > > tvservice@xxxxxxxxxxxxx
> > > Sent: Wednesday, October 08, 2003 7:03 AM
> > > To: techassist@xxxxxxxxxxxxx
> > > Subject: [TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse,
> > need
> > > to know part numbers
> > >
> > > The power supply blows due to shorted secondary diodes on that board
> > > Replacement board #250686 or replace all parts listed below.
> > > Q19701      246967 / P4NB50FP
> > > Q19702      147665 / NTE159
> > > Q19703      232218
> > > Q19704      229220 / NTE123AP / 2N3904 / BC547
> > > U19701      231525 / NTE999
> > > CR19701   198589 / NTE519
> > > R19703      241313 / 15 ohm 1/2 w
> > > CR19710   234048 / MUR115 / NTE587
> > > CR19713   234048 / MUR115 / NTE587
> > > F14201      175425 / GMA 5A fast acting
> > >
> > > Robert
> > > tvservice@xxxxxxxxxxxxx
> > > H & H Electronics Inc
> > > Dallas, TX
> > >
> > > ----- Original Message ----- 
> > > From: "Kevin" <kevintv@xxxxxxx>
> > > To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
> > > Sent: Wednesday, October 08, 2003 12:30 AM
> > > Subject: [TechAssist] RCA PTK195M26A, model P46921, blows fuse, need
> > to
> > > know
> > > part numbers
> > >
> > >
> > > > Main fuse blows as soon as the set is plugged in.  Q19701 of the
> > > > convergence P/S is blown up, and R19706 is burnt.  Does anyone
> know
> > > what
> > > > each of these parts is?  And is the main fuse a 5 amp slo-blo or
> > fast
> > > > blow?  What would cause Q19701 to short?  I could find no other
> > > shorts.
> > > > Thanks.
> > > >
> > > > Kevin Wilks
> > > > Kevin's TV & Video Repair
> > > > Penticton BC Canada
> > > > kevintv@xxxxxxx
> > > >
> > > >
> > > >
> > > >
> > >
> >
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• References:
  • [TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse,need to know part numbers
    • From: Kevin

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• » [TechAssist] RCA PTK195M26A, model P46921, blows fuse, need to know part numbers
• » [TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse, need to know part numbers
• » [TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse, need to know part numbers
• » [TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse, need to know part numbers
• » [TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse, need to know part numbers
• » [TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse, need to know part numbers
• » [TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse, need to know part numbers
• » [TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse, need to know part numbers
• » [TechAssist] Re: RCA PTK195M26A, model P46921, blows fuse, need to know part numbers

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