Re: Troubleshooting Star Wars

http://www.twistywristarcade.com/39-buttons-switches

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On Oct 11, 2013, at 11:18, Joel Griffin Dodd <griffindodd@gmail.com> wrote:
> anyone know where I can get replacement dipswitches, mine are pretty smashed on my SW CPU board, I should replace them...
> 
> http://forums.arcade-museum.com/attachment.php?attachmentid=157221
> 
> 
> On Fri, Oct 11, 2013 at 10:41 AM, Joel Griffin Dodd <griffindodd@gmail.com> wrote:
>> Also I double checked and compared both the upright and sit down harnesses. All the critical plugs and connectors have identical pins and voltages, just the physical size of the harnesses and the number of speakers is different.
>> 
>> 
>> On Fri, Oct 11, 2013 at 10:11 AM, Joel Griffin Dodd <griffindodd@gmail.com> wrote:
>>> Aye it's still a mystery.
>>> 
>>> I can get Diag #1 for Game PCB Microprocessor and RAM to work by grounding the self test tab on the main board, grounding the diag tab and then turning on the power.
>>> 
>>> The weird thing is that the the LEDs at CR4,5,6 do not stay on for 10 secs, they stay on for about 2 seconds and the 5 and 6 extinguish while 4 remains on flashing once a second. This only works if the AVG board is disconnected from the wiring harness, otherwise all three lights go out after about 2 seconds.
>>> 
>>> Tried the sound board Diagnostic test and got no beeps or sound from the speakers after reset.
>>> 
>>> No matter what tests I perform I cannot seem to get the LEDs to stay on the the 10 seconds they are supposed to during diagnosis.
>>> 
>>> Other observations.
>>> 
>>> With just the main board and sound board hooked up. Power on with no test or diag grounded and all DIPs set to zero at 10D, the three LEDs light for 2 seconds and then all go out. Reset on pin 37 is perm high at the CPU and goes low when the reset tab is grounded. However IRQ is permanently low.
>>> 
>>> 
>>> On Thu, Oct 10, 2013 at 8:07 PM, Douglas Gauck <douglas@gauck.com> wrote:
>>>> Please double check:
>>>> 
>>>> http://www.gauck.com/arcade/SW/cockpitwiring.pdf
>>>> http://www.gauck.com/arcade/SW/uprightwiring.pdf
>>>> 
>>>> I'd have just the brick, the AR2 and the main board hooked up for now. How's reset?
>>>> 
>>>> 
>>>> On Oct 10, 2013, at 11:05 PM, Joel Griffin Dodd <griffindodd@gmail.com> wrote:
>>>> 
>>>>> Ok mystery solved I had a plug out in the center of the harness.
>>>>> 
>>>>> I have 11.9v on my 10.3v.
>>>>> 
>>>>> Leds are randomly going on and off clciking the coin counter
>>>>> 
>>>>> On Oct 10, 2013 7:57 PM, "Joel Griffin Dodd" <griffindodd@gmail.com> wrote:
>>>>>> Ok. So the black and orange go to the center pin of 15 brick. On the female side they turn into two white and orange leads. Each one goes to a three pin plug where only two pins are used and the wires are bridged with what looks like a diode. One plug goes to the coin counter the other one is empty
>>>>>> 
>>>>>> On Oct 10, 2013 7:53 PM, "Rodger Boots" <rlboots2@gmail.com> wrote:
>>>>>>> That would be J40.  It plugs into P40 (on a loose connector that goes to power supply in bottom of cabinet).
>>>>>>> 
>>>>>>> 
>>>>>>> On Thu, Oct 10, 2013 at 9:47 PM, Joel Griffin Dodd <griffindodd@gmail.com> wrote:
>>>>>>>> I have nothing on e and 18 dead as a dead dodo that died. That orange and black wire looks like it goes to a 9 pin connector block with no home.
>>>>>>>> 
>>>>>>>> On Oct 10, 2013 7:42 PM, "Rodger Boots" <rlboots2@gmail.com> wrote:
>>>>>>>>> Comes to game board on connector pins E & 18.
>>>>>>>>> 
>>>>>>>>> I have GOT to find a better scan of the schematics, what I have is nearly unreadable.
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> On Thu, Oct 10, 2013 at 9:34 PM, Joel Griffin Dodd <griffindodd@gmail.com> wrote:
>>>>>>>>>> So.... I have no 10.3vun at the test tab on the game board. Does that come from the ar2 via the edge connector or is it stepped down from one of the higher voltage feeds on the board?
>>>>>>>>>> 
>>>>>>>>>> On Oct 10, 2013 6:17 AM, "Joel Griffin Dodd" <griffindodd@gmail.com> wrote:
>>>>>>>>>>> The trouble shooting guide says you can remove the soundboard to do these tests
>>>>>>>>>>> 
>>>>>>>>>>> On Oct 10, 2013 4:25 AM, "Douglas Gauck" <douglas@gauck.com> wrote:
>>>>>>>>>>>> Really? I had my main board on the bench all by itself. What it did need was the 10.3 (in fact I hooked up all voltages -5, +5, +10.3 and +12)
>>>>>>>>>>>> 
>>>>>>>>>>>> On Oct 10, 2013, at 12:32 AM, Rodger Boots <rlboots2@gmail.com> wrote:
>>>>>>>>>>>> 
>>>>>>>>>>>>> Reset not going to work without sound board.
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> On Wed, Oct 9, 2013 at 11:29 PM, Joel Griffin Dodd <griffindodd@gmail.com> wrote:
>>>>>>>>>>>>>> Interconnects are good. No I didn't have the sound board installed during these tests.
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> On Oct 9, 2013 9:25 PM, "Rodger Boots" <rlboots2@gmail.com> wrote:
>>>>>>>>>>>>>>> Reset comes indirectly through sound board.  Do you have a sound board installed and are interconnect cables in good shape?
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> On Oct 9, 2013 11:07 PM, "Joel Griffin Dodd" <griffindodd@gmail.com> wrote:
>>>>>>>>>>>>>>>> All my clocks test good on my oscilloscope the only one I haven't found a test point for is 1.5mhz where is that point.? Got a solid 1.5mhz at E and Q though at the cpu
>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>> On Oct 9, 2013 9:05 PM, "Rodger Boots" <rlboots2@gmail.com> wrote:
>>>>>>>>>>>>>>>>> Start looking for where these come from and work your way back. You did check for missing/broken crystal, right?
>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>> On Oct 9, 2013 11:00 PM, "Joel Griffin Dodd" <griffindodd@gmail.com> wrote:
>>>>>>>>>>>>>>>>>> Yep both still low with CPU removed
>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>> On Oct 9, 2013 8:55 PM, "Rodger Boots" <rlboots2@gmail.com> wrote:
>>>>>>>>>>>>>>>>>>> Could be, remove the CPU and see if they are still low.  That will tell you if it is the CPU or the board.
>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>> On Oct 9, 2013 10:50 PM, "Joel Griffin Dodd" <griffindodd@gmail.com> wrote:
>>>>>>>>>>>>>>>>>>>> Hey guys.  Troubleshooting my non booting star wars board set.
>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>> Checked all my voltages and clicks they look good. 
>>>>>>>>>>>>>>>>>>>> Firq, NMI and halt are all high
>>>>>>>>>>>>>>>>>>>> However reset is permanently low as is Irq at the CPU.
>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>> Any ideas where to go from here?  Bad CPU?
>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>> I'm following the star wars troubleshooting guide
>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>> Joel
>>>>>>>>>>>>>>>>>>>> 
> 
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