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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 |}}
 +
 +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 |}}
 +
 +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. ​
 +
 +<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 =====
vulcan_dishlex_milano_dishwasher_repair.txt ยท Last modified: 2021/10/29 21:59 by sausage