Description
Opto sensor IR LED pair – 5490-12451-00
IR opto LED transmitter-receiver pair, used in Bally/Williams opto assemblies.
These have shorter leads than the 5490-13451-00 but are otherwise interchangeable.
These are NOT the direct replacements for the NLA Twilight Zone Clock PCBs. They are NOT equivalents, but originals.
References ;
5490-12451-00
A-15285
A-18821 opto track limit PCB assembly
QVE11233
QVE11233.0086
OPB804
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