Arcade Collecting > Pinball
New pin: Lethal Weapon 3 (Update: FIXED)
shardian:
The rev. 2 board that came with this machine was from Rottendog, and sold as a working board to the fellow I bought the machine from. It was still sealed in the original rottendog shipping box. 2 TIP drivers locked on.. This was a board error, not a cabinet or wiring error. I'm not faulting rottendog, because the board did sit in its box for probably 3 years. However, that is my only experience with Rottendog, and it didn't exactly leave me with an overflow of confidence.
I trust my ability to rebuild the existing board - besides, I've already reflowed everything and replaced a burned up board connector. Might as well keep going.
shardian:
I just finished replacing the 5F solenoid PIA...but the test rom still fails at the same 3rd flash. I am baffled!
ChadTower:
Did you socket the new one?
shardian:
--- Quote from: ChadTower on December 31, 2009, 09:16:28 am ---
Did you socket the new one?
--- End quote ---
Of course! I have a spare, I'll try it. I destroyed the original by going ahead and cutting the legs. I didn't want to risk ruining any pads. For the record, I only plugged in the power connection to run the test. Thus, nothing could have backfed and blown the replacement PIA.
shardian:
--- Quote from: pinballjim on December 31, 2009, 10:20:54 am ---Or could it?
;)
--- End quote ---
Man, with glorious advice like this I'll have this thing working in no time. ::)
I'm pissed off right now, because I just did some butchering repair work. There is a 74xxx chip in the chain of chips that is the only thing left in the coil circuit that hasn't been replaced (and is probably toast). I pulled the same chip from my rev 2 board to put in the rev3 board. I also tried to save the same chip on the rev. 3 board as I pulled it out. BIG mistake. I pulled out a solder thru hole, and broke the chip in half. I then had to use SIP strips and had to run a jumper on the missing plated thru hole.
I put in the chip from the rev 2 board, but who knows if it survived the transplant. Anyways, I checked all socket pin continuity, plugged in the chip, and powered the board. It now has no life - as it freezes on the first PIA flash. Dammit!!!!!!!!
I seriously HATE working on this board now. It is a real piece of ---steaming pile of meadow muffin---.
I've wasted so damn much time and parts money trying to solve this...I give up.
Not to mention it seems I'm the only damn person in the world willing to tinker with DE boards. No one knows jack ---steaming pile of meadow muffin--- about them except for 1-2 folks who repair them, and there is zero worthwhile knowledge out there to fix my problem. I've counted at least 10 RGP threads with a problem extremely similar to mine - all of them appear to have went unanswered.
I'm just really pissed off right now. I'll probably suck it up and work some more in a week...like I've done for several months now. I just want a working game...I'm tired of working on it.
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