[TechAssist] Re: FIX: 1990 Hitachi PTV model CU4601
- From: peggs <peggs@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx, techassist@xxxxxxxxxxxxx
- Date: Wed, 22 Jun 2005 15:47:44 -0700
already have
Peggs
At 11:36 AM 6/22/05, tjanphyl@xxxxxxxxxxxxxxx wrote:
>Be sure to send this back to Alvie for their records.That's all he
>asks us to do and he's so nice.
>Phil
>
>----- Original Message -----
>From: peggs <peggs@xxxxxxxxxxxxx>
>Date: Wednesday, June 22, 2005 4:38 pm
>Subject: [TechAssist] Re: 1990 Hitachi PTV model CU4601
>
> > After a lot of help from Victor Santana at Hitachi,and Alvie
> > Rodgers,and a
> > lot of patience
> > with my oscilloscope skills........ lol....... I found a corroded
> > lead on
> > Q502 in the Comb Filter Circuit.
> > One of the previously replaced Leaking Capacitors(C502) next to
> > it,had
> > corroded the Collector Lead
> > of Q502.I replaced it with a 2SC1740.
> >
> > All is well with all inputs........ now I just need my $325
> > ........ lol
> >
> > Peggs
> >
> >
> > At 03:30 PM 6/16/05, peggs wrote:
> > >This unit has some type of video 'interference' problem.
> > >Both on tuner and the AV inputs.It's hard to describe.
> > >Similar to a slight AGC overload problem.
> > >I've replaced numerous 'leaky' caps on this AV/Video/Chroma board.
> > >They are on other boards in here as well.Most of these
> > >bad caps are Blue,100uF @ 16v.
> > >Heat and chill doesn't help isolate the culprit(s).
> > >Any tips on an old hitachi model CU4601K ???
> > >
> > >Hitachi website didn't offer much help......
> > >
> > >Peggs
> > >Peggs' Electronics
> > >1519 West 2nd Street
> > >Owensboro,KY 42301
> > >270-926-4968
> > >fax 270-686-7399
> > >peggs@xxxxxxxxxxxxx
> > >
> > >------------------------------------------------------------------
> > -----------
> > >This Email List is Public. Remove: http://www.tech-
> > assist.org/remove.htm>Lost Password: http://www.tech-assist.org
> > and select "Login Problems?".
> > >Appliance Repair List: http://www.tech-
> > assist.org/secure/tip/chatjoin.htm#app>Email Archives:
> > //www.freelists.org/archives/techassist/
> > -------------------------------------------------------------------
> > ----------
> > This Email List is Public. Remove: http://www.tech-
> > assist.org/remove.htmSet Vacation
> > mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacationLost
>Password: http://www.tech-assist.org and select "Login Problems?".
> > Email Archives: //www.freelists.org/archives/techassist/
> >
>-----------------------------------------------------------------------------
>This Email List is Public. Remove: http://www.tech-assist.org/remove.htm
>Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation
>Lost Password: http://www.tech-assist.org and select "Login Problems?".
>Email Archives: //www.freelists.org/archives/techassist/
-----------------------------------------------------------------------------
This Email List is Public. Remove: http://www.tech-assist.org/remove.htm
Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation
Lost Password: http://www.tech-assist.org and select "Login Problems?".
Email Archives: //www.freelists.org/archives/techassist/
Other related posts:
