PIONEER DV626D
Instrukcja Serwisowa

DV-626D

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

Power ON

� Blow out fuse of the primary side � Blow out micro-fuse on the POWER SUPPLY Assy. (Check the each voltage.) (P611, P211, R711) � FL controller IC (IC101) on the FLKY Assy is damaged.

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. (D513) � Check the values of R118 - R120 on the FLKY Assy.

Indicates the error message

Refer to the section "7.1.3 ERROR CODE".

� Blow out micro-fuse on the POWER SUPPLY Assy. (R711)

Is tray open ? Yes

No

� Check the connection between LOSB Assy and DVDM Assy. (12P flexible cable) � Check the +6V power supply voltage (above micro fuse).

Do the video and sound come on ? Yes

No

Check the connection between JCKB Assy and DVDM Assy. A video isn't displayed. Check the connection between VQEB Assy and DVDM Assy. Refer to the section "7.1.3 ERROR CODE".

OK

Indicate the error message.

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