PIONEER MJD508
Service Manual

MJ-D508

Details of Error Display
Error Display
Can' t Edit

Details of Error
÷ Editing conditions were not satisfied for each editing function.

Measure
÷ Operating method is wrong. Try again using correct method. ÷ Check according to TROUBLESHOOTING. ÷ Faulty TOC or UTOC data or scratch on disc. Replaced with other discs.

Temp Over Disc ERR Disc ERR R Disc ERR S Disc ERR W

÷ Temperature inside unit (MD unit) was too high due to fault. ÷ Data read was incorrect or could not be read properly. ÷ Error occurred during music data recording and recording could not be performed correctly. ÷ Music data READ search time exceeded ÷ REC PAUSE shift abnormality (search time exceeded) ÷ SD WRITE (search time exceeded)

[

]

UTOC W ERR

÷ Fault occurred during rewriting of UTOC rewriting, and rewriting could not be performed correctly. ÷ The DRAM has become filled with music data, but they can not be written (to the disc).

÷ Scratch on disc. Replaced with other discs.

Memory Full

÷ Check if there are scratches, dusts, fingerprints, or black spots on disc. Check if disc fluctuates eccentrically or moves up and down largely. ÷ Record and check if disc is recordable. ÷ Check if there are scratches, dusts, fingerprints, or black spots on disc. Check if disc fluctuates eccentrically or moves up and down largely. ÷ Check to see if the recording head contact is correct or if there are any disconnections between the board and the recording head. ÷ Try doing a RESET operation again. If the problem still persists, replace the EEPROM.

BlankDisc Defect

÷ After reading UTOC, total number of TNO and NAME characters was 0. ÷ Focus execution error, etc. occurred due to shock during RECPLAY.

UTOC W ERR

÷ UTOC read was correct but could not be rewrite it.

EEPROM ERR

÷ The EEPROM data are incorrect.

MECHA ERR

÷ ÷ ÷ ÷

Never completes EJECT. Never moves HEAD UP. Never moves HEAD DOWN. The set microcomputer and MD mechanism microcomputer are not communicating properly.

51