Zenith XBV613 - DVD/VCR Combination Service Manual page 54

B
Does the SLED move to
inner side when it is at outter
position?
YES
Do not put in disc and tray
close.
Optical Lens has movements
for searching Focus?
YES
C
NO
Motor Driver MUTE Pin is
High?
Is SLED_S DC Level higher
than 1.65V?
SLED+ and SLED- output
properly?
Check the cable connection
with MECHA.
NO
Proper FOCUS_S outputs to
motor driver?
Proper FACT+ &
FACT- outputs?
Check cable connect on with
pick-up head.
3-61
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
Check the connection line of
MUTE signal.
Check the related circuit of
FMSO.
Check the amp circuit on
motor driver.
Check FOCUS_S connection
On ZR36882 and motor dirv-
er.
Check the amp circuit on
motor dirver.