Recent content by Lios

My friend picked up an original Virtua Fighter cab, which was working prior to a 6 hour haul through 105+ degree heat and a three day escapade of figuring out how to get the beast up three flights of stairs, with only 3 people and no special equipment. After getting it back together upstairs...

Well, pre opening it up it behaved as follows: Powers on tube energizes/fills with static etc, then after the usual warm up there was no vertical drive, just a single squashed bright horizontal white line. The adjustment knobs only moved the line around and the size knobs (h size, v size etc)...

Anyone know any specifics of studio rgb monitor repair? Panasonic BTH1350Y woes... I know this place is more tailored to arcade game repair and restorations, but I'm really not sure of an active online community for other kinds of rgb monitor types and their problems. I'm sure they exist, just...

I finally got a replacement 2N6400 and soldered it in. After experiencing some initial problems, I cleaned the contacts on the board interconnects throughly with some rubbing alcohol. Afterwards it was working like new. I cannot thank you guys enough, that's one less non working board I own...

Robotron, that sounds like the transistors from the sound board, of which has three transistors, Q1 and Q2 being the ones you described and Q3 being a 2n3904. I was referring to the one on the main pcb near where the jamma harness plugs in. Sorry if this wasn't clear. In either case I took a...

I just got a tested and dead Time Killers PCB in the mail today, and the first thing I noticed is that a part was knocked off of the pcb. It is in the upper right corner part of the underside of the board right by the fuse. It is silk screened Q1, and I originally thought it might have been a...

Wow, I have a umk3 pcb that had the EXACT same problem. At first I reseated all the eproms and cleaned some gunk off to no avail. Finally I let it sit for about a month before I tested it again, this time on a different test setup and somehow it was working again. Very strange, my only guess is...

Pm sent for umk3