85
DV-47A, DV-S733A, DV-747A
7.1.5 TROUBLE SHOOTING
• No Power ON
• FL is not turned ON
• FL indication is unusual
START
Is FL turn on ?
Is tray open ?
Is the indication
of FL normal ?
Do the video and
sound come on ?
Power ON
Yes
Yes
Yes
No
No
No
Turn on the power again
after 2 - 3 minutes.
• Blow out fuse of the primary side
• Blow out micro-fuse on the POWER SUPPLY Unit. (Check the each voltage.)
(P101)
• FL controller IC (IC101) on the FLIR Assy is damaged.
• Blow out micro-fuse on the POWER SUPPLY Unit.
(P101)
FL indication is dark or flickers.
No
Indicates the error message
Refer to the section "7.1.6 ERROR CODE".
Refer to the section "7.1.6 ERROR CODE".
Check the connection between AVJB Assy and DVDM Assy.
Indicate the error message.
• Check the following connections :
POWER SUPPLY Unit - DVDM Assy
DVDM Assy - AVJB Assy
AVJB Assy - FLIR Assy
• Check each voltage (EV+5V, SW+5V, SW+3.3V, SW+12V, +6V and -28V)
(If above voltage are not supplied, check the micro-fuse P101.)
• Check the following connections :
DVDM Assy - LOAB Assy (5P connector assy)
• Check the voltage of +6V and +12V power supply
(If above voltage is not supplied, check the micro-fuse P101.)
Yes
• Check the following connections :
DVDM Assy - Spindle motor (12P flexible cable)
DVDM Assy - Stepping motor (4P flexible cable)
• Check the voltage of +6V and +12V power supply
(If above voltage is not supplied, check the micro-fuse P101.)
• Check the following connection :
DVDM Assy - Pickup Assy (26P flexible cable)
• Check the voltage of +6V and +12V power supply and SW+5V
(If the voltage of +6V and +12V power supply are not supplied,
check the micro-fuse P101.)
• Check it whether the pickup is defectiveness.
Perform the section "7.1.2 Self-Diagnostic Function of Pickup Defective"
and check the LD current value.
• Short or open the zenner diode
on the POWER SUPPLY Unit.
(ZD103, ZD104)
• Check the values of R132 - R134
on the FLIR Assy.
OK
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