That is one of the tests recommended in the service manual. It's on my
list of things to check.
Thank you...
On 1/31/2024 2:17 PM, Chuck Guzis via cctalk wrote:
On 1/31/24 11:12, Mike Katz via cctalk wrote:
I have not yet tried installing terminating resistors...
That might help. It's also possible that the LED/phototransistor for
the SS index position is faulty. The two LEDs (SS and DS) are connected
in series, so you know that at least one isn't open. Grab your DMM and
check the voltage levels on pins A6 and A7 on connector J2. They should
change as the beam is broken in each with a piece of tinfoil or
something else opaque.
--Chuck
