{"id":22,"date":"2004-08-01T07:40:53","date_gmt":"2004-08-01T11:40:53","guid":{"rendered":"http:\/\/www.jrtwine.com\/blog\/?p=22"},"modified":"2008-03-31T20:20:06","modified_gmt":"2008-04-01T00:20:06","slug":"9000a-z80-pod-fluke","status":"publish","type":"post","link":"https:\/\/jrtwine.com\/blog\/9000a-z80-pod-fluke\/","title":{"rendered":"9000A-Z80 Pod (Fluke)"},"content":{"rendered":"

Bought this Pod in “tested good” (yeah, right!) condition from a surplus company. Pod passes its self test without any problems, so I naturally trusted the results and thought that the Pod was working correctly. Turns out that the pod was not<\/strong> working correctly, but I did not figure this out until tearing apart a Galaxian board<\/a> based on what the Pod was telling me.<\/p>\n

The Pod would always report that the Address lines were tied together, and stuck low. Would fail the Bus Test immediately when placed into a UUT. Once I realized that the Pod was not working correctly, I tried replacing all socketed components in the Pod (CPU, EPROM, 6532A, 74LS00, etc.) before I tried swapping the UUT cable (the one that connects to the CPU socket on a UUT) and then everything worked great! <\/p>\n

During my troubleshooting efforts, Art Mallet<\/em><\/strong>, AKA Artfromny<\/em>, provided invaluable assistance and was even nice enough to send me a working Z80 Pod, and parts from a physically damaged one, to help me troubleshoot and repair my broken Pod! I cannot say enough good things about him – but I can say this: thank you very much, Art; you are definitely one of the best out there!<\/p>\n

Solution<\/em><\/strong>: Replace UUT cable.<\/p>\n","protected":false},"excerpt":{"rendered":"

Bought this Pod in “tested good” (yeah, right!) condition from a surplus company. Pod passes its self test without any problems, so I naturally trusted the results and thought that the Pod was working correctly. Turns out that the pod was not working correctly, but I did not figure this out until tearing apart a […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-22","post","type-post","status-publish","format-standard","hentry","category-repair-logs"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t