Sony AVD-K150B Service Manual page 35

B
Does
the SLED move
No
to inner side when it is at
outer position?
Yes
Do not put in disc and tray
close.
Optical
No
Lens has movements
for searching
Focus?
Yes
C
AVD-K150B/K150E/K150G/K150N/K150R
No
Motor Driver STBY
Pin is High?
Yes
No
Motor Driver STBY
Pin is High?
Yes
No
SL+ and SL- output
properly?
Yes
Check the cable connection
with MECHA.
No
Proper FOSO outputs
to motor driver?
Yes
No
Proper F+
& F- outputs?
Yes
Check cable connect of the
pick-up head.
Check the connection line of
STBY signal .
OK
Check the related circuit of
FMSO.
Check the amp circuit on
motor driver.
Check FOSO connection on
MT1379 and motor driver.
Check the amp circuit on
motor driver.
35