... good appearance, with low ripple, without low voltage, without bad led indicator, etc. 4.Full inspection after burn-in: to make sure ... bomb unit, no high voltage, no low voltage, no bad led indicator, etc. 5.Finished products full inspection: to make sure every ... low ripple, no high voltage, no low voltage, no bad led indicator, no bad ultrasonic bonding, etc. 6.Visual full inspection: to ...