NAD T585 Service Manual page 17

B
Does
the SLED move
NO
to inner side when it is at
outter position?
YES
Do not put in disc and tray
close.
Optical Lens has
NO
movements for searching
Focus?
YES
C
Motor Driver
NO
XFTSMUTE
Pin is High?
YES
NO
Is SLED DC Level lower
than 1.65V?
YES
SL+ and SL- output NO
properly?
YES
Check the cable connection with
MECHA.
NO
Proper FSCON outputs
to motor driver?
YES
NO
Proper F+ & F- outputs?
YES
Check cable connect on with
pick-up head.
3-7
Check the connection line of
XFTSMUTE signal.
Check the related circuit of
SLED.
Check the amp circuit on motor
driver.
Check FSCON connection on
CXD1885Q and motor dirver.
Check the amp circuit on motor
dirver.