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Esab Caddy LHO 150 - missing R48 and IC2 from control board
Last Updated: Sep 22 2017 17:06, Started by
welder
, Aug 22 2017 21:34
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0
#1
Posted 22 August 2017 - 21:34
Hi. Inverter welder Caddy LHO 150. What is the R48 resistor value and type of the IC2? For IC2 i guess SG3525 (pcb pinouts), but not 100% sure. Still someone have any control board AP02 from this device or clear high resolution picture of her? I thing, the missing components in models 110 and 150 are the same.
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#2
Posted 21 September 2017 - 20:17
IC2: SG3525.
After some researches and thinking around circuit - no doubt. R48: 47 k. After some calculations and experiments. Other: Shorted power supply thyristor and blowed up one from three big leveling capacitors. Replaced. The result: After some testing - the device started and working smoothly and properly. Topic closed. |
#3
Posted 22 September 2017 - 17:06
Anunturi
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