Trouble Shooting - Pioneer DV-525 Service Manual

DV-525

7.1.2 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
No
Do the video and
sound come on ?
Yes
OK
56
• Blow out fuse of the primary side
• Blow out micro-fuse on the POWER SUPPLY Assy. (Check the each voltage.)
(KU, KC : P202, P204, P205, P201)
(Others : P611, P211, P711)
• FL controller IC (IC101) on the FLKY Assy is damaged.
• Check the following connections :
POWER SUPPLY Assy - DVDM Assy
DVDM Assy - FLKY Assy
FLKY Assy - PWSB Assy
• Check each voltage (EV+5V, SW+5V, SW+3.3V, +6V and +12V)
(If above voltage are not supplied, check the micro-fuse.)
FL indication is dark or flickers.
Indicates the error message
• Blow out micro-fuse on the POWER SUPPLY Assy.
(KU, KC : P201)
(Others : P711)
• Check the connection between PICKUP Assy and DVDM Assy.
(14P flexible cable)
• Check the +6V power supply voltage (above micro fuse).
Check the connection between AVJB Assy and DVDM Assy.
Indicate the error message.
• Short or open the zenner diode
on the POWER SUPPLY Assy.
(KU, KC : D207)
(Others : D513)
• Check the values of R110 - R120
on the FLKY Assy.
Refer to the section "7.1.3 ERROR CODE".
Refer to the section "7.1.3 ERROR CODE".