Re: Quantum help needed

Not being as familiar with quantum as I am tempest, I have seen VIP pots
cause the text to be angled as such. Without being on the hip test screen
which I assume quantum would have it would be hard to say. I would at least
center the Bip pots and try again.

Kevin
 On Mar 30, 2013 9:40 PM, "William Boucher" <wboucher6@cogeco.ca> wrote:

> **
> I finally decided to power up my repro Quantum machine for the first time
> this weekend. This is a Tronic PCB that I populated last year and this is
> its first attempt to run. The cab is from DPtwiz and it has the repro
> artwork and Takeman's repro metal parts and Joe's repro harness. The coin
> door, power brick, ARII, and Amplifone monitor are original equipment.
>
> First I plugged the Amplifone monitor into a known good Black Widow
> machine and discovered that the monitor has an minor issue that I have to
> take care of so I didn't use it to test the Quantum game board yet.
>
> The first attempt to run the board failed but the P1 LED was blinking.
> The manual said this was caused by failed SRAM at 5D, 5E, 6D, or 6E. I
> swapped out these four chips from my parts stock and tried again. This
> time, the P1 and P2 LEDs worked as per normal. I have the game set to free
> play so I pressed P1 and was greeted by a nice game sound. I pressed it
> again and got lots more sounds and it was obviously playing blind.
>
> Next, I plugged the Quantum video cable into my Major Havoc conversion
> wg6100 monitor and powered up again. This produced an image albeit quite
> broken up. I have not yet attempted to adjust the X and Y BIP, center, and
> size pots. I am not an expert on BIP and I have no idea if it can cause
> this sort of image breakup.
>
> I posted a video of my troubled screen on youtube if you would care to
> watch it and possibly provide me some feedback.
> Here: http://youtu.be/mPoVeLXvUs8
>
> The game was playable and stable although I had much difficulty because
> it's sideways. There were no resets and nothing unusual happened during a
> 30 minute run.
>
> Comments and suggestions welcome,
>
> Thanks,
>
> William Boucher
> http://www.biltronix.com
>

---------------------------------------------------------------------------
** Unsubscribe, subscribe, or view the archives at http://www.vectorlist.org
** Please direct other questions, comments, or problems to chris@westnet.com
Received on Sun Mar 31 03:15:38 2013