Archived from groups: rec.games.video.arcade.collecting (
More info?)
ok... looking at the schematics there isn't a whole lot in the way that
would disable ALL the guns from operating...
most likely it's Q201 or Q202... you also might want to check the connector
going to the neck board, specifically pin 1... if this is gone so is your
signal...
"Kelly Ray" <starwarsroomspam@comcast.net> wrote in message
news:w8SdnaA5iLwxTurfRVn-iw@comcast.com...
> correct!! full raster/full screen with retrace lines if turned up and no
> apparent signal!
>
>
> "Steve Muccione" <home*DOT*muccione@verizon.net> wrote in message
> news:Z8Jde.10962$yd1.3712@trndny01...
>> Ok...
>>
>> When you say "got raster" what do you mean by this? Is it a single
>> collapsed line across the screen? Is it full size such that if you turn
>> up the fly you can see the retrace lines? Is it working all the way
>> except for no apparent signal?
>>
>> steve
>>
>> "Kelly Ray" <starwarsroomspam@comcast.net> wrote in message
>> news:C6mdnQd4XNyJfuvfRVn-3Q@comcast.com...
>>> got raster but no video signal! flowchart talks about "no sync" but
>>> this is no video!
>>>
>>> and yes, i varified with a known good monitor. i even cut the jumper
>>> from pins 2 and 3, no help!
>>>
>>> "Robert Bullock" <rcbullock@_REMOVE_cox.net> wrote in message
>>> news:6iBde.730$DC2.618@okepread01...
>>>> The video IC might be bad. IIRC the 4900 only has one. Again, the
>>>> flowchart. Got raster?
>>>>
>>>> "Kelly Ray" <starwarsroomspam@comcast.net> wrote in message
>>>> news:9qKdnda9xtyEMOvfRVn-tw@comcast.com...
>>>>> 4900 gurus, i have one with high voltage fine but i get no video at
>>>>> all when video plug is plugged into it! capkit done and reflowed all
>>>>> connectors and flyback solder joints.
>>>>>
>>>>> any ideas what to look for?
>>>>>
>>>>> thanks,
>>>>> Kelly
>>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
>
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