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  1. I have 2 scorpion 4 boards which are faulty. At startup i get the message 12V PSU fault. But i know the power supply is okay. The message cones out of the MPU. From the schematic i can not find how the 12V is checked. Can anyone help me with this error. Thank you for the answers.
  2. I am looking for a motherboard for a Fruit Fest machine. it is a P4TGV motherboard. if someone has this type of motherboard and want to sell, please let me know. with best regards,
  3. I have a Impact3 machine which has an E36 error, when i do a pay out test then 2euro hopper motor turns and pays 2euro but it is not detected. I have exchanged the hopper unit, error stays. I have replaced the 2 pay out driver pcb's mounted on the metal case where the pay out unit sits in. Error stays, so i suspect the MPU to be faulty. Can some tell me what to do next to repair this board. I repair normally other type of slotmachines, JPM Impact is something that hat i normally do not repair. But a friend of mine asked me if i could take a look for it. So if someone can help me with hat would be great.
  4. It is also possible that one of the driver transistor ZTX341 or ZTX550 is faulty that are driving the TO/220 for the lamps.
  5. Hello, In my spare time i am trying to repair MPU problems from different types of machine Barcrest MPU4 BFM scorpion 1 en 4. For now i have a scorpion 1 mpu which has a problem that it won't start. The green led goes on but the red led lights up and starts to flicker. I can not find the issue which causes this, as i know for now this is a common problem but i can not find some related issues for this. Is there some one one this forum that can help me out on this. Thank you for your reply. Simton
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