DV-SP500
TROUBLE SHOOTING
No Power ON
FL is not turned ON
FL indication is unusual
START
Power ONBlow out fuse of the primary side
Blow out micro-fuse on the POWER SUPPLY Unit. (Check the each voltage.)
(P901(Output PCB) and CN2(Power supply unit))
FL controller IC (Q701) on the Display PCB Assy is damaged.
Turn on the power again
after 2 - 3 minutes.
Check the following connections :
POWER SUPPLY Unit - DVD MAIN PC BOARD Assy
NoDVD MAIN PC BOARD Assy - DISPLAY PC BOARD Assy
Is FL turn on ?
OUTPUT PC BOARD Assy - FL Tube Assy
Check each voltage (EV+5V, SW+5V, SW+3.3V, +6V and +12V)
Yes(If above voltage are not supplied, check the micro-fuse CP1 and CP2.)
Is the indicationNoShort or open the zenner diode
FL indication is dark or flickers.
of FL normal ?on the POWER SUPPLY Unit.
Yes
Indicates the error message Refer to the section "ERROR CODE ".
Blow out micro-fuse on the POWER SUPPLY Unit.
Check the following connections :
DVD MAIN PC BOARD Assy - LOAB Assy (5P connector CN51-CN601)
No
Is tray open ?DVD MAIN PC BOARD Assy - CONNECTION PC BOARD Assy(without DV-S555)
Check the +6V and +12V power supply voltage
(If above voltage is not supplied, check the micro-fuse CP1 and CP2.)
Yes
Check the following connections :
Spindle
DVD MAIN PC BOARD Assy - CONNECTION PC BOARD Assy
does not turn.No
(17P flexible cable)
Carriage does
not move.CONNECTION PC BOARD Assy - Spindle motor (12P flexible cable)
CONNECTION PC BOARD Assy - Stepping motor (4P flexible cable)
Check the +6V and +12V power supply voltage
Yes
(If above voltage is not supplied, check the micro-fuse CP1 and CP2.)
Laser diodeCheck the following connection :
does not light.NoDVD MAION PC BOARD Assy - Pickup Assy (26P flexible cable)
Focus doesCheck the +6V and +12V power supply voltage and SW+5V
not in.(If +6V voltage is not supplied, check the micro-fuse CP1 and CP2.)
Check it whether the pickup is defectiveness.
Yes
Do the video andNoCheck the connection between OUTPUT PC BOARD Assy and
sound come on ?DVD MAIN PC BOARD Assy.
Yes
Indicate the error message
Refer to the section " ERROR CODE ".
on FL tube.
OK |