[TechAssist] Re: Akai red convergence
- From: "markbrock" <markbrock@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 26 Oct 2005 15:26:10 -0500
Can I swap the yoke plugs and make sure on these ? its not the ic's, I
swapped em, and even changed them both and still the same, all the bias
r's are ok as well, its red only and a big squiggley line up and down, and
left to right, all over the place, nothing i've seen before, I'd like to
rule out the yoke before I condem the dcu, and its the first IC104 that
gets hot, closest to the red plug, I bet its that $#&*% yoke, but may
be wrong, so how about that swap ? can I
thanks for not giving up on me, this one is eatin my lunch
brock
Brock Electronics
R.R.4 box 237
5208 cr.3385
Independence Ks. 67301
620-331-0235
fax 331-7191
markbrock@xxxxxxxxxxxxx
Zenith*Philips*Peavey*Fender*Crate
we work on all brands,makes,models
of anything that plugs in the wall
----- Original Message -----
From: "tvservice" <tvservice@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, October 26, 2005 12:47 PM
Subject: [TechAssist] Re: Akai red convergence
> sounds like a drive problem with the conv. gen board (dcu) or bad yoke.
> I have not seen any yoke problems with these sets
> Robert
> tvservice@xxxxxxxxxxxxx
> H & H Electronics Inc
> http://supertek.igniteinc.biz
>
> ----- Original Message -----
> From: "markbrock" <markbrock@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, October 26, 2005 5:58 AM
> Subject: [TechAssist] Re: Akai red convergence
>
>
> > thanks guys, I did what you said, and I usually change em both myself,
> > but not on these that have one for vert and one for Horz,, unless both
are
> > bad, anyway, swapped, em, problem did not follow the IC, changed them
> > both with new sanyo's, ( thinking it was a marriage thing ? ) { they
are
> > just audio amps } same, checked all the resistors again, still the
same,
> > the one stk gets way to hot to be normal, if left on for 5 minutes will
> > probably burn up, I've added heat sink while I was trying to determine
if
> I
> > could get it closer to alignment, still got pretty hot, it is being
> way
> > over driven, can the DCU have this out of adjustment enough to cause
it
> > to draw more current ? I guess so,
> >
> > Brock Electronics
> > R.R.4 box 237
> > 5208 cr.3385
> > Independence Ks. 67301
> > 620-331-0235
> > fax 331-7191
> >
> > markbrock@xxxxxxxxxxxxx
> > Zenith*Philips*Peavey*Fender*Crate
> > we work on all brands,makes,models
> > of anything that plugs in the wall
> > ----- Original Message -----
> > From: "markbrock" <markbrock@xxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Tuesday, October 25, 2005 6:20 AM
> > Subject: [TechAssist] Akai red convergence
> >
> >
> > > model PTH5498
> > > this set came in with bad convergence, all three bowed down from top,
> > the
> > > fuse under ICZ104 was open, so I changed this STK392-040, now the
> > > convergence is ok for green and blue but red is actually worse and the
> ic
> > > gets hot, fuse still in tack but red convergence is so far out that
> there
> > > is not way to correct, this is a sanyo ic and I know there is some
> > > discussion about after market stk's, the printing is smaller. I
didn't
> > > follow the thread on this discussion because I always tell em,
original
> > > only. and its original sanyo ? not sure what that means, but since
> the
> > > red and blue horz and vert are ok I'm suspecting something else ? one
> of
> > > these is ic's control vert and one is horz if I remember correctly, I
> > > replaced only the one with the bad fuse ? anyone ? .. help. red
yoke
> ?
> > > how do I test it -vs- replacement.
> > > brock
> > >
> > >
> > >
> > > Brock Electronics
> > > R.R.4 box 237
> > > 5208 cr.3385
> > > Independence Ks. 67301
> > > 620-331-0235
> > > fax 331-7191
> > >
> > > markbrock@xxxxxxxxxxxxx
> > > Zenith*Philips*Peavey*Fender*Crate
> > > we work on all brands,makes,models
> > > of anything that plugs in the wall
> > >
> >
>
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