PIONEER CD MULTI DISC MODEL PD-M403

I put a CD in slot 1, and it doesnt start.It then go to disc2 and so on. It write NO DISC. ??Tried to clean the lazer. Can't. First time I see this kind ?? The mechanism is upside down ??? How do u take it apart to clean it ??? Anyone has a service manual for this unit ??? Thanks

Reply to
Réjean Mathieu
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Are you putting the discs in label side DOWN?

Reply to
dkuhajda

Rejean Mathieu: Because the laser head is "upside down" you must insert the discs upside down.... label side down / shiny side up. My feelings are that if you can't figure out how to get to the laser lens to clean it, it is doubtful that a service manual is going to help you. These are nice machines.... if inserting the disc correctly does not make it work then take it to a repair shop for the proper repair. electricitym . . . . .. . . . .

Reply to
electricitym

If the cable to the pickup is white in color - they had lots of those go bad and cause your exact problem.

The replacement (improved) part number is PNP1343. Should fix your problem. A little tricky to replace, not a problem for a tech, but if you haven't done it before....

Mark Z.

Reply to
Mark D. Zacharias

As the other replies said, you must place the discs in with the label side facin DOWN. A common problem with these units was the plastic lens falling off the optical pickup. Usually one drop of very carefully placed krazy glue can fix it. Or you may need to replaced the Laser Assy.

Reply to
Jumpster Jiver

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