Maker Pro
Maker Pro

Aiwa NSX-V150M


Mathew Good

Jan 1, 1970
Have the Full Service manual but no reference is setting Pots SFR401 and SFR402,
these are used for CD Elevator optical sensing

SFR402 is for the I.R Led current and SFR401 a schmitt trigger level from the optical sensor

Their is also a 4 Pin test connector that's involved, CON8 as its connected to these points

Nothing is mentioned in the service manual at all.

This Optical sensor is used to set up the position of the CD selector to correctly to select the

Can any one Help..

Sony is a total waste of Time here.