Pioneer XR-A550MD Service Manual page 103

QQ
3 7 63 1515 0
Error Display
÷ TOC read was incorrect or could not be read properly.
UNKNOWN
DISC
÷ Fault occurred during rewriting of UTOC rewriting, and rewriting
UTOC W ERR
÷ Inserted a disc but could not bring in FOCUS.
UNKNOWN
DISC
÷ After reading UTOC, total number of TNO and NAME characters
BLANK MD
÷ Focus execution error, etc. occurred due to shock during REC-
DEFECT
÷ UTOC read was correct but could not be rewrite it.
UTOC W
ERROR
÷ The EEPROM data are incorrect.
EEPROM
ERROR
TE
L 13942296513
Detail of Mechanism Error
Error Display
MECHA ERROR
www
.
http://www.xiaoyu163.com
Details of Error
could not be performed correctly.
was 0.
PLAY.
• Never completes EJECT.
• Never moves HEAD UP.
• Never moves HEAD DOWN.
• The set microcomputer and MD mechanism microcomputer are not communicating properly.
x ao
y
i
http://www.xiaoyu163.com
8
÷ The TOC data recorded on the disc do not comply with
MD Standards, so try using another disc.
÷ The disc may be scratched or damaged, so try using
another disc.
÷ Scratch on disc. Replaced with other discs.
÷ 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.
Q Q
3 6 7 1 3
Details of Error
u163
.
XR-A550MD
2 9 9 4 2 8
Measure
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9
103