Olympus MIC-D Manual de reparação - Página 30
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MIC-D
4.Trimmer resistance adjustment
(1)Contents : Adjust the voltage of volume switch by trimmer resistance.
(2)Tools
-1-Voltage meter
(3) Adjustment
-1- Connect MIC-D and PC by USB cable.
-2- Check that the illumination LED of MIC-D is light up.
-3- Turn the volume switch clockwise until the maximum.
Clockwise
-4-Connect red (+) probe to the check pin 1 in the light intensity adjustment board.
Connect black (-) probe to the check pin 2 in it.
-5-Adjust that the display value of tester may be set to 50+/-5mv with turning trimmer resistance
for voltage adjustment.
Check pin 2(-)
Light intensity
adjustment board
D.ADJUSTMENT PROCEDURE
D-5
USB cable
Check pin 1(+)
Trimmer resistance for
voltage adjustment