Toki title graphics glitch

jimbodeanny

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I've got this odd little graphics glitch on Toki during the title screen. When the title comes on, there are some extra tiny little pixels that dance around near the letter "K" in "TOKI". They don't appear in MAME.




I verified/tested all 9 eproms and reseated them. I also swapped in the two ROMs for US set 2. It's still there. Otherwise the game is fine (except for no sound). Not a huge deal I guess.
I can probably live with it, worst case. It's not very noticeable.

Ideas?
 
Try to adjust the 5v a little bit. What is it right now (measured on the pcb)?
 
Board is original.Hardware is not really easy, full of CMOS gate arrays and other ASICs.It seems your issue is related background.As first thing I'd check the soldering of SMD devices, maybe some pins are lifted or have bad contact.
 
Replaced the LA4460N amp and sound is back.

Still haven't been able to find what's causing the issue with the title graphic, but I'll live with it for now.
 
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