Re: Where to start on Missile Command PCB repair

Ok I just found this:

http://pdf.textfiles.com/manuals/ARCADE/K-R/Missile%20Command%20(Caberat%20DP-158%201st%20Printing)%20[Drawing%20Package]%20[English].pdf

Apparently I was running the test correctly, I'm going to going at
this head strong when I get home today!

Thanks
Grant

On Wed, Oct 30, 2013 at 9:51 AM, Grant Thienemann
<grant.thienemann@gmail.com> wrote:
> Hey Steve,
>
> No I do not have a service manual, though I know where one online is.
> I have checked the power at the power supply and its all good!
>
> Hey Kevin, I do have an O'scope, I'll check those things tonight to
> see if I can figure out what is going one. My biggest problem it
> appears is that I don't have a 6502 pod for my Fluke.
>
> -Grant
>
> On Wed, Oct 30, 2013 at 9:31 AM, Steve Larkins
> <steve@ukaudiovisual.co.uk> wrote:
>> You should always check the power supply to the pcb, the clock signal and
>> the reset line to start on any micro processor based system. Do you have the
>> service manual?
>>
>>
>> On Wednesday, 30 October 2013, Grant Thienemann wrote:
>>>
>>> Hey Guys,
>>>
>>> I've got a stack of Missile Command PCBs that don't work and I need
>>> some guidance on where to start. Here is what I have done with my
>>> first PCB.
>>>
>>> Checked the PCB in test mode, doesn't nothing, just an audible hum
>>> Felt all the chips to see if any are hot, none were warm to the touch
>>> Replaced all the 4116 ram with sockets and cleaned the ram legs, still
>>> nothing.
>>>
>>> I have the following equipment at my disposal though honestly, I don't
>>> know how to use some of it.
>>>
>>> HP Logic comparator
>>> HP 5004a <-- haven't used them yet
>>> Atari Catbox <-- haven't figured out how to use it correctly yet
>>> Fluke 9010a but no 6502 pod :-(
>>> Logic Probe <-- haven't used it yet
>>>
>>> Any information would be fantastic!
>>>
>>> Thanks
>>> Grant
>>>
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Received on Wed Oct 30 09:59:25 2013