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Technical Area / Namco Galaga '88 PCB Repair Log
« on: April 14, 2013, 07:22:44 AM »
Elgen's fantastic repair logs have inspired me to start going through my stack of PCBs in need of repair. ![Cheesy :D](https://www.dragonslairfans.com/smfor/Smileys/default/cheesy.gif)
Apologies for the crap cell phone pics. Luckily this one is pretty straight forward.
Upon boot with Test Mode enabled, a RAM6 ERROR was displayed:
![](http://flashpass.redirectme.net/steve/ArcadePics/Galaga88/Galaga881.jpg)
Let's take a look at the Atari version of the manual:
![](http://flashpass.redirectme.net/steve/ArcadePics/Galaga88/Galaga882.jpg)
Let's see what that asterisk means:
![](http://flashpass.redirectme.net/steve/ArcadePics/Galaga88/Galaga882B.jpg)
Sounds straight forward enough! Here's the culprit a 5165 RAM at B2:
![](http://flashpass.redirectme.net/steve/ArcadePics/Galaga88/Galaga883.jpg)
Removed socket, added a socket, and repaired a bad trace, replaced the 5165 with a 6264:
![](http://flashpass.redirectme.net/steve/ArcadePics/Galaga88/Galaga884.jpg)
Back from the dead!
![](http://flashpass.redirectme.net/steve/ArcadePics/Galaga88/Galaga885.jpg)
![Cheesy :D](https://www.dragonslairfans.com/smfor/Smileys/default/cheesy.gif)
Apologies for the crap cell phone pics. Luckily this one is pretty straight forward.
Upon boot with Test Mode enabled, a RAM6 ERROR was displayed:
![](http://flashpass.redirectme.net/steve/ArcadePics/Galaga88/Galaga881.jpg)
Let's take a look at the Atari version of the manual:
![](http://flashpass.redirectme.net/steve/ArcadePics/Galaga88/Galaga882.jpg)
Let's see what that asterisk means:
![](http://flashpass.redirectme.net/steve/ArcadePics/Galaga88/Galaga882B.jpg)
Sounds straight forward enough! Here's the culprit a 5165 RAM at B2:
![](http://flashpass.redirectme.net/steve/ArcadePics/Galaga88/Galaga883.jpg)
Removed socket, added a socket, and repaired a bad trace, replaced the 5165 with a 6264:
![](http://flashpass.redirectme.net/steve/ArcadePics/Galaga88/Galaga884.jpg)
Back from the dead!
![](http://flashpass.redirectme.net/steve/ArcadePics/Galaga88/Galaga885.jpg)