Trouble Shooting - Pioneer DV-545 Service Manual

7.1.4 TROUBLE SHOOTING

• No Power ON
• FL is not turned ON
• FL indication is unusual
START
Power ON
Turn on the power again
after 2 - 3 minutes.
No
Is FL turn on ?
Yes
No
Is the indication
of FL normal ?
Yes
No
Is tray open ?
Yes
Spindle
No
does not turn.
Carriage does
not move.
Yes
Laser diode
No
does not light.
Focus does
not in.
Yes
No
Do the video and
sound come on ?
Yes
OK
• Blow out fuse of the primary side
• Blow out micro-fuse on the POWER SUPPLY Unit. (Check the each voltage.)
(P101 and P102)
• FL controller IC (IC101) on the FLKB Assy is damaged.
• Check the following connections :
POWER SUPPLY Unit - DVDM Assy
DVDM Assy - JACB Assy
JACB Assy - FLKB Assy
• Check each voltage (EV+5V, SW+5V, SW+3.3V, +6V and +12V)
(If above voltage are not supplied, check the micro-fuse P101 and P102.)
FL indication is dark or flickers.
Indicates the error message
• Blow out micro-fuse on the POWER SUPPLY Unit.
(P101 and P102)
• Check the following connections :
DVDM Assy - LOAB Assy (5P connector assy)
DVDM Assy - SSIB Assy (INSIDE SW signal)
• Check the +6V and +12V power supply voltage
(If above voltage is not supplied, check the micro-fuse P101 and P102.)
• Check the following connections :
DVDM Assy - SSIB Assy (17P flexible cable)
SSIB Assy - Spindle motor (12P flexible cable)
SSIB Assy - Stepping motor (4P flexible cable)
• Check the +6V and +12V power supply voltage
(If above voltage is not supplied, check the micro-fuse P101 and P102.)
• 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.
Check the connection between JACB Assy and DVDM Assy.
Indicate the error message.
DV-545, DV-444-S, DV-444-K
• Short or open the zenner diode
on the POWER SUPPLY Unit.
(D304)
• Check the values of R153 - R155
on the FLKB Assy.
Refer to the section "7.1.5 ERROR CODE".
Refer to the section "7.1.5 ERROR CODE".
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