Can anyone assist me in identifying (8) diodes on a PCB I am working on. They appear to have either corroded and/or exploded. They are shorter than a carbon film resistor and appear to be round now. They are blue on one end with a blue stripe down the length and the rest is white. I cannot figure out how to insert images on this so if a picture would help in this please ask and I will email one to you. Any assistance will be greatly appreciated.