PIONEER DV-525
Instrukcja Serwisowa

DV-525

7.1.2 TROUBLE SHOOTING
� No Power ON � FL is not turned ON � FL indication is unusual
START � 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.

Power ON

Turn on the power again after 2 - 3 minutes. � 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.)

Is FL turn on ? Yes

No

Is the indication of FL normal ? Yes

No

FL indication is dark or flickers.

� 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".

Indicates the error message

� Blow out micro-fuse on the POWER SUPPLY Assy. (KU, KC : P201) (Others : P711)

Is tray open ? Yes

No

� Check the connection between PICKUP Assy and DVDM Assy. (14P flexible cable) � Check the +6V power supply voltage (above micro fuse).

Do the video and sound come on ? Yes

No

Check the connection between AVJB Assy and DVDM Assy.

Indicate the error message. OK

Refer to the section "7.1.3 ERROR CODE".

56