Sony HCD-ZX50MD Service Manual page 4

ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS
Selecting the Test Mode
Display
op rec tm Displays the total recording time.
When the total recording time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays "Under 1 min"
The display time is the time the laser is set to high power, which is about 1/4 of the actual recording time.
op play tm Displays the total playback time.
When the total playback time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays "Under 1 min"
spdl rp tm Displays the total rotating time of the spindle motor.
When the total rotating time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays "Under 1 min"
retry err Displays the total number of retry errors during recording and playback
Displays "r xx p yy". xx is the number of errors during recording. yy is the number of errors during playback.
This is displayed in hexadecimal from 00 to FF.
total err Displays the total number of errors
Displays "total xx". This is displayed in hexadecimal from 00 to FF.
err history Displays the past ten errors.
Displays "0x ErrCd@@".
X is the history number. The younger the number, the more recent is the history (00 is the latest). @@ is the error
code.
Select the error history number using the Multi stick.
retry adrs Displays the past five retry addresses.
Displays "xx ADRS yyyy", xx is the history number, yyyy is the cluster with the retry error.
Select the error history number using the Multi stick.
er refresh Mode for erasing the error and retry address histories
Procedure
1. Press the MD REC MODE button while "REC IT" is lit when displayed as "er refresh".
2. Press the PUSH ENTER button when the display changes to "er refresh?".
When "complete!" is displayed, it means erasure has completed.
Be sure to check the following after executing this mode.
*Data has been erased.
*Perform recording and playback, and check that the mechanism is normal.
op change Mode for erasing the total time of op rec tm, op play tm.
These histories are based on the time of replacement of the optical pick-up. If the optical pick-up has been
replaced, perform this procedure and erase the history.
Procedure
1. Press the MD REC MODE button while "REC IT" is lit when displayed as "op change".
2. Press the PUSH ENTER button when the display changes to "op change?".
When "Complete!" is displayed, it means erasure has completed.
spdl change Mode for erasing the total spdl rp tm time
These histories are based on the time of replacement of the spindle motor. If the spindle motor has been replaced,
perform this procedure and erase the history.
Procedure
1. Press the MD REC MODE button while "REC IT" is lit when displayed as "spdl change"
2. Press the PUSH ENTER button when the display changes to "spdl change?"
When "Complete!" is displayed, it means erasure has completed.
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History