Dragon's Lair Fans - Arcade Lifestyle

General Chat => Technical Area => Topic started by: Belike on October 30, 2012, 09:23:37 PM

Title: Crazy Kong, Knock out pcb issues
Post by: Belike on October 30, 2012, 09:23:37 PM

Following Barry's pcb testing, I gave the Crazy Kong a try
The game boots up, sounds ok, it is 100% playable, but the screen is totally dissorted
(https://lh6.googleusercontent.com/-dwE6vYJx1vg/UJAwKVKsqOI/AAAAAAAAGxI/h8NlaeKia9M/s800/WP_000990.jpg)

(https://lh4.googleusercontent.com/-WNoOeCp9jKE/UJAwOKsnDII/AAAAAAAAGxU/zauMNWjcfV4/s800/WP_000991.jpg)

I made a jamma adapter for Knock Out (please note, that the pinout is not the same as Triple Punch, I sucked 2 hours before I realized this fact!!!)
It shows only this
(https://lh5.googleusercontent.com/-twkWV3EOq7k/UJAwJZgT7xI/AAAAAAAAGw0/M1jgEN_s0JA/s640/WP_000985.jpg)

Chips reseated in both cases, but nothing has changed. :-\
Any ideas where to start?

Title: Re: Crazy Kong, Knock out pcb issues
Post by: Etienne MacGyver on October 31, 2012, 07:47:25 AM

Quote from: Belike on October 30, 2012, 09:23:37 PM

Any ideas where to start?

Contact Robinholland  ;D ;) 8)

Title: Re: Crazy Kong, Knock out pcb issues
Post by: Belike on October 31, 2012, 09:30:49 AM

Quote from: Etienne MacGyver on October 31, 2012, 07:47:25 AM

Quote from: Belike on October 30, 2012, 09:23:37 PM

Any ideas where to start?

Contact Robinholland  ;D ;) 8)

A "remote controlled" repair would be the best option. ;D

Title: Re: Crazy Kong, Knock out pcb issues
Post by: Digimon on October 31, 2012, 09:39:54 AM

I would start with CK:

check the ROMS against the Mame Roms! and burn some new if there are Errors.
and check the RAMS. looks like an RAM Error. (just change them against other RAM Chips.

Title: Re: Crazy Kong, Knock out pcb issues
Post by: level42 on October 31, 2012, 09:32:20 PM

Bad sockets ? It looks like ROM problems.

Title: Re: Crazy Kong, Knock out pcb issues
Post by: Belike on November 01, 2012, 11:48:35 AM

Thanks guys, I will check these first. ;)