Archived from groups: rec.games.video.arcade.collecting,rec.games.video.arcade.marketplace (
More info?)
WOW... the BZ i'm fixing is my first Atari cab that has needed work... I
hadn't realied that the circuit was that badly designed before (honestly, I
had looked at the circuit but never *thought* about it before... that'll
teach me...).
damn.. ok, first thing to do...
thanks alot for this all...
steve
"simon hanlon" <simonjhanlon@btopenworld.com> wrote in message
news:dgqu94$kd5$1@news7.svr.pol.co.uk...
> Any game that uses the voltage sense lines to regulate the voltage to the
> board, all it takes is a bad connection at the pcb and bang goes your
> board! Up to you but I would get rid of it and do the mod.
> "Bentley Bear" <pmettes@435435453astound.net> wrote in message
> news:dgqpaq$cc8$1@news.astound.net...
>> Does this mod go for all ARII games? or just PP? anyone else do this mod?
>> "simon hanlon" <simonjhanlon@btopenworld.com> wrote in message
>> news:dgps86$s7n$1@news7.svr.pol.co.uk...
>>>
http://www.stickycarpet.com/pinx/pp2page2.html
>>>
>>> Here is the ARII mod you should do!
>>>
>>> "Tony Tumminaro" <TonyTumminaro@comcast.net> wrote in message
>>> news:YoOdnVcn5aPP8q3eRVn-uA@comcast.com...
>>>> Very helpful. All three boards show signs of this on the grounding
>>>> edge, Ill check to ensure its making proper contact after rebuilding.
>>>>
>>>>
>>>> Thanks!
>>>> Tony
>>>>
>>>> "Kelly Ray" <kray37nospam@comcast.net> wrote in message
>>>> news:6dudnaaJm6Cbw63eRVn-rg@comcast.com...
>>>>> bad edge connector on main pcbs or bad harness pins to the pcb!!! if
>>>>> you are using the same mainboard pcb in 3 different cabs then most
>>>>> likely have bad edge connector on that pcb! i believe it's actually
>>>>> the grounding pins that cause that since they get hot and roll up from
>>>>> the board itself sometimes!
>>>>>
>>>>> hope that helps,
>>>>> Kelly
>>>>>
>>>>> "Tony Tumminaro" <TonyTumminaro@comcast.net> wrote in message
>>>>> news:TIudnTUgouDnwa3eRVn-og@comcast.com...
>>>>>> Three of these have zapped on me, in three different cabs. All three
>>>>>> started to burn at R29. Is this a known issue? What is the major
>>>>>> malfunction? Right now from the schematics, all I can figure is a bad
>>>>>> voltage regulator, or one of the 3300uf caps are dried up.
>>>>>>
>>>>>> Anyone run across this before? I'm thinking of re-parting the entire
>>>>>> boards, but I'd like to know if there is a common reason behind the
>>>>>> troubles.
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>>
>>
>>
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