Sony HCD-MD555, Service Manual

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DISPLAYING CONTENTS OF THE ERROR HISTORY
1. Select the desired item of history using the MULTI JOG dial.
2. Press the MD WALKMAN SYNC button to display the desired content of the selected error item.
3. Press the MD WALKMAN SYNC button again to return to the history item display screen.
Table 1 shows error history items and the contents.
Table 1
Display on screen Contents of error history
total rec Displays the recording time.
The display appears in “r
h”. This is the accumulated time laser in the power high operation. About
1/4 of the actual recording time. The time is shown in the range of 0h to 65535h in decimal number.
total play Displays the playback time.
The display appears in “p
h”. This is the accumulated time of actual playback in which pause
time is not counted. The time is shown in the range of 0h to 65535h in decimal number.
retry err Displays the accumulated count of record retry error and playback retry error.
The display appears in “r p ”. “r” indicates the record retry error count, and “p” indicates the playback
retry error count. The count is shown in the range of 00 to FF in hexadecimal number.
total err Displays the total count of error.
The display appears in “total
”. The count is shown in the range of 00 to FF in hexadecimal number.
err history Displays the error contents from the latest error to the last ten errors.
The display appears in “0 E@@” (*2). The history number is shown in . The smaller number means the
newer history. (00 is the newest error.). The error code is indicated in @@. Refer to the following table for
contents the error codes. Turn the MULTI JOG dial and you can change the error No.
er refresh (*3) This is the mode with which you can clear the histories of “retry err”, “total err”, and “err history”.
Perform this operation to clear the past error history before returning the repaired product to the customer. To
clear the error histories, press the MULTI JOG button. After “er refresh?” is displayed, press the ENTER/
YES button. The error histories are cleared and the message “Complete!” appears for a moment.
When this mode is executed, be sure to check the following.
•
Data must have been cleared.
•
Perform recording and playback, and check that the mechanism operates correctly.
tm refresh (*3) This the mode with which you can clear the histories of “total rec” and “total play”. These histories are used as
the reference when replacing the optical pickup.
Perform this operation to clear the histories when the optical pickup is replaced with the new one. To clear the
error histories, press the MULTI JOG button. After “tm refresh?” is displayed, press the ENTER/YES
button. The error histories are cleared and the message “Complete!” appears for a moment.
When this mode is executed, be sure to check the following.
•
Data must have been cleared.
•
Perform recording and playback, and check that the mechanism operates correctly.
(*2) Contents of each error display are shown in Table 2.
(*3) All of error contents are cleared by performing “er refresh” and “tm refresh”.
Perform this operation and clear the error history only when optical block is replaced for maint enance work. Never perform this
operation in other cases.
Table 2
Display Error contents
0 E00 No errors
0 E01 Disc error Cannot read PTOC
0 E02 Disc error UTOC error
0 E03 Loading error
0 E04 Cannot read the address
0 E05 Out of FOK
0 E06 Focus does not lock
0 E07 Retry of recording
0 E08 Record retry error
0 E09 Retry of playback
0 E0A Playback retry error