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Trying to determine if Photocell is bad on Marantz 6300

scottyb70

New Member
Hi

Just received my photo cell from digi key part number 365-1604-nd mfg # op535b, Optek Technology. First I am trying to figure out what side is negative and which is positive. In the picture as shown I am assuming the let side is positive (+).

On the turntable I took my leads on with the power on I am getting reading of 3.67 and when I press the down button I am getting a reading of 16.92-16.89. Is this correct? I am assuming the photocell is bad and I am going to replace it with the Optek.
 

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