[TechAssist] Re: Akai red convergence
- From: Al Gutz <alg@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 25 Oct 2005 22:21:46 -0400
I think Akai is Samsung.
If it's samsung. Replace both STKs with OEM Sanyo and check for cooked
150 ohm and 3.9 ohm resistors. If still bad red most likely bad digital
convervence module (loc on signal board) ICs will likely run hot even
after it's repaired and set up.
Al G
markbrock wrote:
> 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
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