• 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.
Error display
Errors
Corrective action
BLANK MD
DEFECT
TOC W ERROR
MD ERROR
• 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.
• Once reset, and redo. If error occurs
persistently, replace EEPROM.
EXPLANATION OF MECHANISM ERROR
Error display
Errors
M E C H A _ E R R 1 _ * Ejection failure
M E C H A _ E R R 2 _ * Head-up failure
M E C H A _ E R R 3 _ * Head-down failure
HINF (IC1401 97 PIN)
* = E Ejection completion position < 1.3 V
* = MHorizontal midway position > 3.06 V
* = L Load completed position 1.853~2.48 V
* = D Head-down position 1.3~1.853 V
• TOC was read but data was not correct.
• TOC could not be rad.
• Trouble occurred during rewriting of UTOC, resulting in UTOC
rewriting failure.
• After the disc was loaded, focusing failure occurred.
TOC ERR S
TOC ERR R
TOC ERR T
UTOC W ERR
FOCUS ERROR
• The TOC information recorded on disc
does not conform to the MD standard.
Replace the disc with other disc.
• The disc has flaw. Replace the disc with
other disc.
• The disc has flaw. Replace the disc with
other disc.
• Check that the disc is free from flaw,
dust, fingerprint and black spot.
Check for disc disalignment and run-out.
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Digital Audio Performance
