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s32d850t_monitor_repair [2023/10/09 04:21]
sausage
s32d850t_monitor_repair [2024/03/20 21:18] (current)
sausage Resistor value added
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 The other thing I could not find was a standard chart or guide to Gas Surge Tube colour bands. I tried a few datasheets of particular brands of tube. It appeared that colour bands mean something per manufacturer,​ but I am still to confirm this. The other thing I could not find was a standard chart or guide to Gas Surge Tube colour bands. I tried a few datasheets of particular brands of tube. It appeared that colour bands mean something per manufacturer,​ but I am still to confirm this.
  
-At any rate, it was time to move on.+<WRAP center round tip 90%> 
 +Since then P.Remaker has been in touch and got some great answers on these "​Sparkgap Arrestors"​[[https://​electronics.stackexchange.com/​questions/​689916/​what-is-this-part-from-an-lcd-monitor-power-supply|what is it, and it's designator]] and [[https://​electronics.stackexchange.com/​questions/​111550/​what-is-this-component-and-what-is-its-use|it'​s symbol]]. You can get more in-depth reading [[https://​www.lsp-international.com/​lightning-current-surge-and-overvoltage-protection | here]]. With all that said, this part is doing more to save your monitor than being the cause of your fault. 
 +</​WRAP>​ 
  
 Everything on the pre-rectified AC side appeared to be OK, so was time to move to the rectifed side and see if the issue was there instead. Everything on the pre-rectified AC side appeared to be OK, so was time to move to the rectifed side and see if the issue was there instead.
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 {{ :​s32d850t:​resistor-on-board.jpg?​direct |}} {{ :​s32d850t:​resistor-on-board.jpg?​direct |}}
  
-It was clearer once out of the board. Suffice to say the resistor was dead, no continuity at all.+It was clearer once out of the board. Suffice to say the resistor was dead, no continuity at all. The band colours are Brown, Black, Silver. Then tolerance band is Gold, making this 0.1 Ohm.
  
 {{ :​s32d850t:​resistor-damaged.jpg?​direct |}} {{ :​s32d850t:​resistor-damaged.jpg?​direct |}}
s32d850t_monitor_repair.1696825306.txt.gz · Last modified: 2023/10/09 04:21 by sausage