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==wavy trace == | ==wavy trace == | ||
:'''Symptom:''' wavy trace | :'''Symptom:''' wavy trace | ||
:'''Root cause:''' | :'''Root cause:''' C786 (100µF 25V) has high internal resistor (ESR ~ 20 ohms). -12.6 v regulator ciruit is oscillating | ||
:'''Solution:''' Replacing of electrolytic capacitor | :'''Solution:''' Replacing of electrolytic capacitor C786 with new part. | ||
:<gallery> | :<gallery> |
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