Sony HCD-L7HD Service Manual page 29

Note :
If any of the following test modes is executed, data is written in the
HD.
Never execute any of these test modes on the customer's HD, because
customer's data is erased during test mode.
1. FORMAT
4. WRITE TEST
5. R/W TEST
HD Aging Test
Note (When HD is replaced) :
When HD is replaced, perform the following steps.
(a) When HD is replaced, leave the set with the power on for
approximately thirty minutes . (Warming up the HD)
(b) Enter the HD test mode and format the HD.
(c) Turn off the power once and back on again.
(d) Record the music in the HD using CD-HDD Synchro-
Recording function for testing the HD. (about thirty minutes)
(e) Confirm that music is correctly recorded. After it is confirmed,
erase all recordings on the HD.
1. FORMAT
* This mode performs logical formatting HD. (about three minutes)
If formatting is performed, all data on the HD is erased.
* When HD is replaced, be sure to format the new HD. If the new
HD is not formatted, the error message "Format Error " will be
displayed.
* The 500 albums and 10 play lists are created at the same time of
logical formatting FAT32 on the HD.
Procedure:
(1) Enter the HD test mode, then rotate the ALBUM dial to display
"Format?", and press the > button to display "Format OK?".
(2) When the > button is pressed, The message "Format Now"
is displayed and it takes about three minutes.
(3) When format is complete, "Format End" is displayed.
(4) To exit from this mode, press the x (HD) button.
2. FLASH INITIALIZATION
* The last memory (which is stored before power-off) is initialized
to the default value of the factory setting.
Procedure:
(1) Enter the HD test mode, then rotate the ALBUM dial to display
"Flash Init?", and press the > button.
(2) Initialization is performed and "OK" is displayed.
(3) To exit from this mode, press the x (HD) button.
Contents of the Last memory
Item
L.Sync Setup Level Syncro ON/OFF
L.Sync Th IDX Level-Sync THRESH value
S.Space Setup Smart Space ON/OFF
Text Save Setup TEXT SAVE ON/OFF
1/ALL Play mode of ALBUM
PLAY MODE Play mode
REP MODE Repeat mode
Display Mode Time Display mode
Current Album No. The present Album Number
ALBUM No. of Album Favorites
Album Favorite
A to E
History Playback history of Album
Contents Default value
ON
50dB
ON
ON
ALL
CONTINUE
OFF
Total playing time
1
No Assign
None
3. READ TEST
* This mode needs not be performed in normal operation.
* Perform this mode only for the newly formatted HD.
Procedure:
(1) Enter the HD test mode, then rotate the ALBUM dial to display
"Read Test?", and press the > button to display "IN".
"MID", "OUT" or "THRU" is also selectable by rotating the
ALBUM dial.
(2) Press the > button and "Testing xx %" is displayed during
the read test.
(3) When the read test is good, "OK" will be displayed.
(4) To exit from this mode, press the x (HD) button.
* "THRU" test takes very long time.
4. WRITE TEST
* This mode needs not be performed in normal operation.
* Perform this mode only for the newly formatted HD.
Procedure:
(1) Enter the HD test mode, then rotate the ALBUM dial to display
"Write Test?", and press the > button to display "IN".
"MID", "OUT" or "THRU" is also selectable by rotating the
ALBUM dial.
(2) Press the > button and "Testing xx %" is displayed during
the write test.
(3) When the write test is good, "OK" will be displayed.
(4) To exit from this mode, press the x (HD) button.
* "THRU" test takes very long time.
5. R/W TEST
* Perform the R/W TEST when checking the formatted HD.
* Confirmation is normally satisfied by each performing IN, MID
and OUT sector test.
Procedure:
(1) Enter the HD test mode, then rotate the ALBUM dial to display
"R/W Test?", and press the > button to display "IN".
"MID", "OUT" or "THRU" is also selectable by rotating the
ALBUM dial.
(2) Press the > button and "Testing xx %" is displayed during
the R/W test.
(3) When the R/W test is good, "OK" will be displayed.
(4) To exit from this mode, press the x (HD) button.
* "THRU" test takes very long time.
6. SMART TEST
* This mode displayed status of S.M.A.R.T. functions of the HD.
* If "NG" appears in this mode, the HD may be damaged in the
near future. Replacement of the HD is recommended.
Procedure:
(1) Enter the HD test mode, then rotate the ALBUM dial to display
"Smart?", and press the > button.
(2) When the test is complete, "OK" or "NG" is displayed.
(3) To exit from this mode, press the x (HD) button.
HCD-L7HD
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