Item Repaired: UNI-SAN IMP-44-1090 Power Supply (Sometimes used in Naomi-based arcade cabinets)
Symptoms: All voltages present but after adjusting the voltage, 5V would not adjust below 6V and 12V would not adjust below 14V.
Description of Repair: Replaced capacitors on the inside of the supply. Replaced all 2200uf and 3300uf caps with new 105 degree caps rated at 25V. After cap replacement all voltages could be adjusted to proper voltages and PSU was returned to service.
Symptoms: All voltages present but after adjusting the voltage, 5V would not adjust below 6V and 12V would not adjust below 14V.
Description of Repair: Replaced capacitors on the inside of the supply. Replaced all 2200uf and 3300uf caps with new 105 degree caps rated at 25V. After cap replacement all voltages could be adjusted to proper voltages and PSU was returned to service.