Zenith XBV613 Service Manual - Page 54

Zenith XBV613 - DVD/VCR Combination Manual

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Page 54 highlights

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

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