NAD T585 Service Manual page 19

D
YES
NO
Focus ON OK?
YES
NO
Track On OK?
YES
NO
Disc is play ?
YES
E
Proper signals on
A,B,C,D of CXD1881
YES
NO
Check FEO signal
on CXD1881
YES
Check FSCON signal
on CXD1885Q
NO
Normal TEO Signal on
CXD1881?
YES
Properly TSCON
NO
signal on CXD1885Q?
YES
NO
T+ & T- output
properly?
YES
Check cable connection on
pick-up head.
Check RF-OP & RFAC signal waveform.
3-9
NO
Check connections between
CXD1881 and pick-up head.
Check the FSCON connection on
CXD1885Q and motor driver.
Check the related
circuit on CXD1881
Check the TSCON
connection on CXD1885Q
and motor dirver.
Check the tracking control
amp circuit on motor
driver.