3-6
B
Motor Driver STBY 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
STBY signal.
NO
Is FMSO DC Level higher
than 1.4V?
Check the related circuit of
FMSO.
NO
SL+ and SL- output
properly?
YES
Check the amp circuit on
motor driver.
Check FOSO connection on
MT1389D and motor dirver.
NO
NO
Check the cable connection
with MECHA.
Proper FOSO outputs
to motor driver?
Proper F+ & F- outputs?
Check the amp circuit on
motor dirver.
NO
Check cable connect on with
pick-up head.
Summary of Contents for DV140
Page 25: ...3 15 FIG 7 2 DVD FIG 7 3 CD F F FE FE RFL RFL...
Page 26: ...3 16 FIG 7 4 CD 8 FOCUS ON WAVEFORM FIG 8 1 DVD FE FOSO F F F FE RFL...
Page 30: ...3 20 2 COMPOSITE VIDEO SIGNAL FIG 13 2 13 AUDIO OUTPUT FROM AUDIO DAC FIG 13 1...
Page 37: ...3 28 3 29 2 AV JACK CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T...
Page 38: ...3 30 3 31 A B C D E F G H I J K L M N O P Q R S T 3 SYSTEM CIRCUIT DIAGRAM...
Page 40: ...3 34 3 35 5 TIMER CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T...
Page 42: ...3 38 3 39 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE...
Page 44: ...3 42 3 43 4 SMPS P C BOARD 360mm ONLY LOCATION GUIDE 430mm ONLY...
Page 45: ......
