Ηλεκτρονικά

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Set the digital multimeter dial on highest resistance in ohm section.
Connect the probes to two ends of the unknown component (ignore polarity).

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COMPONENTS CODE

CODE COMPONENT
C :CAPACITOR
D :DIODE
F :FUSE
L :INDUCTOR
PC :POWER CAPACITOR
PD :POWER DIODES/DIODE
PL :POWER INDUCTOR
PQ :POWER TRANSISTOR
PR :POWER RESISTOR
PU :POWER INTEGRATED CIRCUIT
Q :TRANSISTOR
R :RESISTOR
T : Transformers
U :INTEGRATED CIRCUIT/BGA CHIP/EMBEDDED CONTROLER/BIOS IC,ETC
X : Terminal strips, terminations, joins .oscilator
Y : Crystal

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Ask any field or bench technician what their most-used piece of test equipment is and they will probably say a DMM (Digital MultiMeter). These versitiale devices can be used to test and diagnose a wide range of circuits and components. In a pinch, a DMM can even substitute for expensive, specialized test equipment. One particularly usefull skill is knowing how to test a transistor using a digital multimeter. Specialized component analyzers exist to do this task, but the expense can be difficult to justify for the average hobbiest.