[TechAssist] Hitachi 60sx1k Service Manual .PDF
- From: Mike Barnett <passthecash@xxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 12 Oct 2001 05:49:26 -0700 (PDT)
Damon, i have the service manual in PDF if you want it, Also have just
about any manual for Hitachi.
Mike
On Thu, 11 Oct 2001 21:29:51 -0500, techassist@xxxxxxxxxxxxx wrote:
>
> Hey thanks Joe!
>
> Just got back to that job and you are right, the comb filter is bad. You
> have any info on what capacitors go bad? I looked and I suspect those
> aluminum caps, but there's a lot of electrolytics in there too.
> The video input is clean , but I found distortion on the video output and
> the horiz pulse output.
> Thanks,
> Damon Brunger
> damon101@xxxxxxxxxxxxxx
> Telrad Electronic Services
> Ft Wayne, IN 46815
> ----- Original Message -----
> From: "joe weaver" <weavel@xxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, October 09, 2001 9:08 AM
> Subject: [TechAssist] Re: Hitachi 60sx1k -AP 14 chassis. Big Pix Bending,
> poor sync
>
>
> >
> > hi damon,
> > these hitachi sets are notorious for this...change all sm caps in comb
> > filter and pip module...i own one of these sets and have to do this
every
> > couple years....good luck joe
> >
> > ----- Original Message -----
> > From: <damon101@xxxxxxxxxxxxxx>
> > To: "TechAssist" <techassist@xxxxxxxxxxxxx>
> > Sent: Tuesday, October 09, 2001 9:24 AM
> > Subject: [TechAssist] Hitachi 60sx1k -AP 14 chassis. Big Pix Bending,
poor
> > sync
> >
> >
> > > Hello everyone,
> > >
> > > Recently worked on a Hitachi PTV ap14 chassis with darker than normal
> > picture, no or erratic vertical sync and horizontal bending only at the
> > bottom 1/3 or top 1/3 (not at the same time).
> > >
> > > I tested the sync signal at the vertical output and horiz drive using
> the
> > NTSC generator and found that they were locked to the generator. Also
> tested
> > the power supply and found about 2 volts of ripple on C952, C957 &
C958.
> > Gonna replace those caps...
> > >
> > > I checked the PIP and here is my concern: The small Picture is not
> present
> > using video 2 (Pip's main source is only Video 2) and is replaced by a
> green
> > field. Video 2 is present on big picture so the failure point must be
in
> the
> > PIP. The customer doesn't care to have the PIP replaced unless it fixes
> his
> > scrambled Big Picture. Has anybody seen the Big Picture lose sync in
the
> > Pip? Yet the horiz/vert outputs are locked to the sync. Slightly weird
set
> > of symptoms, I would have guessed bad sync at the outputs and looked at
> > power supply, or the video jungle IC for starters. Any help would be
> > appreciated, I only get 2 or 3 Hitachi units a year.
> > >
> > > Thanks in advance,
> > > Damon Brunger
> > > damon101@xxxxxxxxxxxxxx
> > > Telrad Electronic Services
> > > Ft Wayne, IN 46815
> > >
> > > Help make your TechAssist online repair tips
> > > database better! Submit your fixes here:
> > > http://www.circuitwork.com/techassist/tip/#tips
> > > To unsubscribe write to:
> > > techassist-request@xxxxxxxxxxxxx
> > > with unsubscribe in the subject line.
> > >
> >
> > Help make your TechAssist online repair tips
> > database better! Submit your fixes here:
> > http://www.circuitwork.com/techassist/tip/#tips
> > To unsubscribe write to:
> > techassist-request@xxxxxxxxxxxxx
> > with unsubscribe in the subject line.
> >
>
> Help make your TechAssist online repair tips
> database better! Submit your fixes here:
> http://www.circuitwork.com/techassist/tip/#tips
> To unsubscribe write to:
> techassist-request@xxxxxxxxxxxxx
> with unsubscribe in the subject line.
Get It Fixed At
Rochester Electronics
630 West Ridge Rd.
Rochester, NY 14615
716.663.6870
www.RochesterElectronicsRepair.com
_______________________________________________________
Send a cool gift with your E-Card
http://www.bluemountain.com/giftcenter/
Help make your TechAssist online repair tips
database better! Submit your fixes here:
http://www.circuitwork.com/techassist/tip/#tips
To unsubscribe write to:
techassist-request@xxxxxxxxxxxxx
with unsubscribe in the subject line.
Other related posts:
- » [TechAssist] Hitachi 60sx1k Service Manual .PDF
