79
XV-DV88, XV-DV77
7.1.4 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.
• Check the POWERED SUBWOOFEER.
• Blow out micro-fuse on the MOTHER Assy. (Check the each voltage.)
(IC8001-IC8003)
• FL Driver IC (IC5661) on the FLDP Assy is damaged.
• Blow out micro-fuse on the MOTHER Assy.
(IC8001-IC8003)
FL indication is dark or flickers.
No
Indicates the error message
Refer to the section "7.1.5 ERROR CODE".
Refer to the section "7.1.5 ERROR CODE".
Check the connection between MOTHER Assy and DVDM Assy.
Indicate the error message.
• Check the following connections :
DVDM Assy - TRADEL Assy - SIDEL Assy - MOTHER Assy
DVDM Assy - TRADER Assy - SIDER Assy - MOTHER Assy
SIDEL Assy - DISPLAY UNIT
• Check each voltage (EV+5V, SW+5V, SW+3.3V, +6V and +12V)
(If above voltage are not supplied, check the micro-fuse IC8001-IC8003.)
• Check the following connections :
DVDM Assy - LOAB Assy (5P connector assy)
DVDM Assy CN251 (INSIDE SW signal)
• Check the +6V and +12V power supply voltage
(If above voltage is not supplied, check the micro-fuse IC8001-IC8003.)
Yes
• Check the following connections :
DVDM Assy - Spindle motor (12P flexible cable)
DVDM Assy - Stepping motor (4P flexible cable)
• Check the +6V and +12V power supply voltage
(If above voltage is not supplied, check the micro-fuse IC8001-IC8003.)
• Check the following connection :
DVDM Assy - Pickup Assy (26P flexible cable)
• Check the +6V and +12V power supply voltage and SW+5V
(If +6V voltage is not supplied, check the micro-fuse P101 and P102.)
• Check it whether the pickup is defectiveness.
Perform the section "7.1.1 Self-Diagnostic Function of Pickup Defective"
and check the LD current value.
• Short or open the zenner diode
on the SIDEL Assy.
(D5053)
• Check the values of R5051,R5052
on the SIDEL Assy.
OK
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