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vulcan_dishlex_milano_dishwasher_repair [2021/10/29 21:53] sausage Date correction with thanks to BrokenYugo/eevblog |
vulcan_dishlex_milano_dishwasher_repair [2021/10/29 21:59] (current) sausage Thank you, BrokenYugo |
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{{ :repairs:dishwasher:milano-dishwasher-eprom.jpg?direct&600 |}} | {{ :repairs:dishwasher:milano-dishwasher-eprom.jpg?direct&600 |}} | ||
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+ | The EPROM above gives some clue of the date of the machine as 1995. | ||
Once the bag was open, I could see three screws holding the PCB to the assembly. | Once the bag was open, I could see three screws holding the PCB to the assembly. | ||
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{{ :repairs:dishwasher:controller-pcb-surface-mount-glue-components.jpg?direct&800 |}} | {{ :repairs:dishwasher:controller-pcb-surface-mount-glue-components.jpg?direct&800 |}} | ||
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+ | BrokenYugo from the [[https://www.eevblog.com/forum | eevblog forum]] managed to date the dishwasher using the date code (9444) of the LM339 chip in the image above. | ||
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+ | <WRAP center round info 90%> | ||
+ | 1995 seems more likely for a PDIP EPROM or microcontroller in a consumer grade appliance, same for the axial electrolytic capacitor. I could be wrong but I read the date code on the LM339 as 44th week of 94. | ||
+ | </WRAP> | ||
===== Capacitors ===== | ===== Capacitors ===== |