Diagram Exclusive __hot__ — Blue Ring Tester Schematic

SMPS transformers often fail with a single shorted turn due to overheating. The resistance change is immeasurable with a DMM. The Blue Ring Tester detects this in seconds.

: Arranged to show the Q factor—more lit LEDs represent a higher Q. Red (1-3) : Indicates "Bad" or Low Q. Yellow (4-5) : Indicates "Marginal" or Medium Q. Green (6-8) : Indicates "Good" or High Q. blue ring tester schematic diagram exclusive

Drop a comment below. Let's keep the old analog magic alive. SMPS transformers often fail with a single shorted

(dual 4-stage shift register) or similar ICs to control the 8-LED sequence. Pulse Generation: A push-button activates a timer circuit (often using a blue ring tester schematic diagram exclusive