Sharp MD-X60H Service Manual page 28

MD-X60H
Error display
BLANK MD
DEFECT
TOC W ERROR
MD ERROR
Error display
M E C H A _ E R R 1 _ *
M E C H A _ E R R 2 _ *
M E C H A _ E R R 3 _ *
* = E Ejection completion position
* = MHorizontal midway position
* = L Load completed position
* = D Head-down position
Errors
• UTOC was read but total TNO and the number of characters of
NAME was 0?
• Focusing error was caused by shock during REC-PLAY.
• Although UTOC can be read but UTOC cannot be rewritten.
• Data of EEPROOM is not correct.
EXPLANATION OF MECHANISM ERROR
HINF (IC1401 97 PIN)
< 1.3 V
> 3.06 V
1.853~2.48 V
1.3~1.853 V
• Perform recording to check that the disc
is recordable disc.
• Check that the disc is free from flaw,
dust, fingerprint and black spot. Check for
disc disalignment and run-out.
• Check that the record head contact is
normal. Check that there is no broken wire
between PWB and the recording head.
• Perform adjustment
• Once reset, and redo. If error occurs
Ejection failure
Head-up failure
Head-down failure
– 28 –
Corrective action
persistently, replace EEPROM.
Errors