Hi, all:
I'm starting a repair thread on my Ice Cold Beer which I picked up today. It's in pretty good cosmetic condition, but doesn't work.
When you power it on, the marquee light comes on, as well as the playfield lights steady on. No sounds or movements, other than a continuous hum and a faint ticking in the speaker.
Checked fuses, all good.
Reseated edge connectors, pin connectors and molex connectors.
Checked voltages at power supply test points, and all were about +1 volt over spec, except for TP7-TP8, which was 38 volts, and the book says 32. I suspect that's ok since it's unregulated.
In the morning, I plan to reseat all the fuses, clean the holders and all of the pin and edge connectors. I will also pull the logic/regulator board and reseat any socketed chips, check for bad solder joints, etc. There are a few caps on there I may replace, if I have suitable replacements.
Wife has had enough, and I'm going to bed. If anyone has any helpful hints on the next troubleshooting steps, I'm all ears. Thanks in advance!
I'm starting a repair thread on my Ice Cold Beer which I picked up today. It's in pretty good cosmetic condition, but doesn't work.
When you power it on, the marquee light comes on, as well as the playfield lights steady on. No sounds or movements, other than a continuous hum and a faint ticking in the speaker.
Checked fuses, all good.
Reseated edge connectors, pin connectors and molex connectors.
Checked voltages at power supply test points, and all were about +1 volt over spec, except for TP7-TP8, which was 38 volts, and the book says 32. I suspect that's ok since it's unregulated.
In the morning, I plan to reseat all the fuses, clean the holders and all of the pin and edge connectors. I will also pull the logic/regulator board and reseat any socketed chips, check for bad solder joints, etc. There are a few caps on there I may replace, if I have suitable replacements.
Wife has had enough, and I'm going to bed. If anyone has any helpful hints on the next troubleshooting steps, I'm all ears. Thanks in advance!
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