[TechAssist] Re: RCA P46151wk ctc169PTA Dead Set
- From: "Mitchs Electronics" <Mitchstv@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 15 Oct 2002 12:28:59 -0500
Why do you change parts that are ok? Remove the chopper and look at base
waveform. Should be 2v p-p squarewave. If ok look otherside of T4102 for
problem. if squarewave not clean look to tea2261 and support circuits
(cr4122 #200158 will check ok but fails under load LOTS ). I use a 10 cent
ic socket for u4101. Seen Cr4119 fail LOTS because of bad audio output ic.
Rick Mitchell
M.H.E.S.C.
Mitchstv@xxxxxxxxxx
Lincoln, Nebraska
----- Original Message -----
From: "tvservice" <tvservice@xxxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, October 15, 2002 11:39 AM
Subject: [TechAssist] Re: RCA P46151wk ctc169PTA Dead Set
>
> Have you checked CR4101 and CR4106 they will get leaky unsolder to check.
> Also chec C4118 470mfd and R4003 33k ohm 2watt.
> Robert
> tvservice@xxxxxxxxxxxxxxxxxxx
> H & H Electronics Inc
>
> ----- Original Message -----
> From: "Dave" <azevedod@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, October 14, 2002 5:53 PM
> Subject: [TechAssist] Re: RCA P46151wk ctc169PTA Dead Set
>
>
> >
> > Yes all were replaced along with U4101. Still get the same voltage
> > measurements.
> > Dave
> >
> > -----Original Message-----
> > From: techassist-bounce@xxxxxxxxxxxxx
> > [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Shoreline
> > Electronics
> > Sent: Tuesday, October 08, 2002 3:31 PM
> > To: techassist@xxxxxxxxxxxxx
> > Subject: [TechAssist] Re: RCA P46151wk ctc169PTA Dead Set
> >
> >
> >
> > Did you change :
> >
> > Cr4118 (Ecg580 Or Equiv)
> > C4102 2.2uf 100v
> > C4104 15uf 63v
> > C4108 47uf 50v ( Sometimes This Is A 39uf)
> >
> >
> > Jeff Stielau
> > Shoreline Electronics Repair
> > 125 Beech Tree Lane
> > Westbrook, CT 06498
> > 860-399-1861
> > 860-664-3535 (fax)
> > jstielau@xxxxxxxx
> > ----- Original Message -----
> > From: "Dave" <azevedod@xxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Tuesday, October 08, 2002 4:13 PM
> > Subject: [TechAssist] RCA P46151wk ctc169PTA Dead Set
> >
> >
> > >
> > > This is a dead set. Raw B+ is 160, 5v stby is 2.4v when first
plugged
> in
> > > then drops to 0v. u4101 pin 16 vcc is only 9.0v as is v+ instead of
the
> > > 11.4v.
> > > Any suggestions would be appreciated.
> > > Thank you in advance.
> > > Dave
> > > Dave's Puters and video
> > > azevedod@xxxxxxxxxxx
> > >
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