Zenith DVB413, Руководство по обслуживанию

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Does
the SLED move
to inner side when it is at
outer position
on?
B
Yes
Motor
Driver DRVSB
Pin is High?
Check the connection line of
DRVSB signal
Motor
Driver DRVSB
Pin is High?
Check the related circuit of
FOCUS.
SLED+
and SLED- output
properly ?
Check the amp circuit on
motor driver.
C
No
Check the cable connection
with MECHA.
Optical
Lens has movements
for searching
Focus?
Proper Focus outputs
to motor driver?
Check Focus connection on
M3355 and motor driver.
Proper F+
& F- outputs?
Check the amp circuit on
motor driver.
Check cable connect on with
pick-up head.
yes
No
Do not put in disc and tray
close.
No
No
No
Yes
Yes
Yes
Yes
Yes
No
No