Introducing the Matrix M-Stage HPA-3U and HPA-3B, review to follow!
Aug 13, 2023 at 10:05 AM Post #436 of 439
Anyone know what fuse I can use in the HPA-3B to replace with? Mine doesn't work anymore :<
 
Aug 18, 2023 at 5:06 PM Post #438 of 439
Should be a fuse: 5*20mm 250V 500mA fast blew
Replaced the fuse and it won't even power up(front light is not on).

Any guides for troubleshooting it?
 
Aug 18, 2023 at 11:30 PM Post #439 of 439
Do some pics, measure the voltage coming out of the transformer, measure the AC fuse and see if it's in good condition in case there's no voltage from the transformer. Maybe you'd like to contact an electronic repair shop, because we're probably talking about mains voltage here!
 

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