PS: TO the Pengo emulator author: PLEASE ADD A VOLUME CONTROL!!! EVERY TIME I LOAD IT IT BLASTS MY EARS OUT LIKE THIS! It does'nt matter what the mixer volume is, when I run the Pengolator, it ALWAYS MAXES the volume and blasts my ears out (my card has no rear volume knob, and I'm using unpowweres speakers...)
Contents contributed and discussions participated by Jeff Rothe
Pengo problems - This guy put in a switcher - rec.games.video.arcade.collecting - 0 views
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I rigged a switcher to the harness, supplying the proper voltages, and the monitor is still fed thru the iso transformer.
Pengo Pinouts from El Dorado - 0 views
Pengo Solid Bars mention - rec.games.video.arcade.marketplace | Google Groups - 0 views
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Pengo (worked until I turned the power supply pot too high, not displays solid colored bars and that's it)
pengo sound - Audio Amp chip voltage 12v? - rec.games.video.arcade.collecting - 0 views
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Are you getting 12 volts to the audio amp chip? Possibly a harness problem? or a power supply problem in the 12v?
Mention of bad pot for Pengo - rec.games.video.arcade.collecting - 0 views
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The only problem is that the volume control in the coin door does not work (I believe the pot is bad).
Pengo PCB - Blue Bars Joystick Press - rec.games.video.arcade.collecting - 0 views
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wiretap.spies.com
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The screen shows a repetitive pattern of (correct) ice-cube graphics, which will change if the DIP-switch setting is altered or the joystick is pushed. The sound amp seems to be ok, as the pot produces some noise when turned. The CPU seems to be ok, as the board reacts to switch settings.
tech: Pengo Sound - Amp effecting Board Logic? - rec.games.video.arcade.collecting - 0 views
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As for the booting, I've looked over the schems, and it does appear that the +12v only goes to the amp. I would try removing the amp chip, then see if it boots with the 12v connected. If not, there may be a hairline short somewhere affecting the logic. If it does boot with the amp removed, it may well be a duff amp. The amp is connected indirectly to the logic of the CPU, so it may be upsetting it.
pengojrpac.jpg - Pengo PCB - 0 views
Talking about Pengo pots and Solid Bars for PCB - rec.games.video.arcade.collecting - 0 views
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Pengo (worked until I turned the power supply pot too high, not displays solid colored bars and that's it)
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Jeff Rothe