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Title: williams high speed chase model 400 Post by: davemgfnd on January 09, 2010, 03:17:23 PM I am looking to repair or replace the I/O board in my machine. no display in credit or coins in windows. just had xu2 and xu3 chip replaced in CPU board. any help?
Title: Re: williams high speed chase model 400 Post by: KirkLasVegas on January 09, 2010, 03:51:55 PM I am looking to repair or replace the I/O board in my machine. no display in credit or coins in windows. just had xu2 and xu3 chip replaced in CPU board. any help? Welcome aboard! First off, do you get the classic WMS "BONG!" when you power it up? After chip replacement did you use a clear chip on it? I have had a ton of 401's and never had a bad I/O card... 400/401's are famous for power supply issues... Ask CFH about this problem..he *IS* the WMS 400/401S5 guru.... Kirk Title: Re: williams high speed chase model 400 Post by: davemgfnd on January 09, 2010, 05:40:54 PM Thanks for your reply!!. No, there is no bong, wheels do not spin, the only action i get is the hopper runs continouslly. yes, i tried the clear chip. what indications do i look for when the clear chip is used?
Title: Re: williams high speed chase model 400 Post by: knagl on January 11, 2010, 07:15:34 AM Let's go back a step -- when you turn the machine on, are ALL of the power LEDs on the board in the card cage on (save for the "FAIL" LED)? If all of the power LEDs aren't lit, you need to get your power issues resolved before dealing with a clear chip.
Title: Re: williams high speed chase model 400 Post by: davemgfnd on January 11, 2010, 01:00:55 PM all of the led lights are on at start-up, including left fail light. they are all solid no blinking. coin comparator activates Hopper runs continuously and bill validater cycles. wheels do not spin, no sound, no display in credit or coin windows. a universal power supply has been installed.
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