[TechAssist] Re: Akai red convergence
- From: "markbrock" <markbrock@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 26 Oct 2005 05:58:04 -0500
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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