DV-SL10H (serv.man8). Test mode - Sharp DVD Service Manual (repair manual). Page 4

1-7-4

TESTMODE

1. Turn on the power to the player, remove the disk

from the tray, and close the tray.

2. To put the DVD player into test mode, press [1], [2],

[3], [4], and [ON SCREEN] buttons on the remote
control unit in that order.
The unit will switch to Test Mode and Fig. a will be
displayed.  For VFD, the current F/W version will be
displayed. (Fig. b)

.

Fig. a Test Mode Screen

Fig. b Sample VFD in Test Mode

3. Press the [8] button to select "8. TEST 8 - ERROR

RATE." The on-screen display will change to the
screen shown in Fig. c.  The VDF display will change
to the display shown in Fig. d.

.

1

5

/

2

/

3

/

4

(I) With a DVD inserted.

.

5

(II) With a CD/VCD inserted.

Fig. c TEST8-ERROR RATE MODE

Fig. d  Sample VFD in TEST8-ERROR RATE MODE

4. Put disk to be checked into the tray.  Close the tray

using either the [OPEN/CLOSE] or [PLAY] button on
the unit or on the remote. The disk will automatically
be distinguished and error rate measurement will
begin.
Fig. c will display:

1

Inserted disk’s inner parameter (For DVD, Layer
0, initial address)

2

Inserted disk’s outer parameter (For DVD, Layer
0, final address)

3

Inserted disk’s Layer 1, initial address.

4

Inserted disk’s Layer 1, final address.

Depending on the contents of the inserted disk, 3
and 4 above may not be displayed.
Once the error rate measurement has started, if the
largest value resulting from the first three measure-
ments has a value of 2000 or less, and all values in
the "Uncorrect" row are 0, the message "CHECK :
OK" will be displayed on area 

5

.

If the largest value is greater than 2000, the mes-
sage "CHECK : NG" will be displayed on area 

5

.

5. "Correct" and "Uncorrect" in Fig. c:

(1) For DVDs the following will be displayed:
PO1st-Correct count; PO1st-Uncorrect count;
PI1st-Correct count; PI1st-Uncorrect count;
PO2nd-Correct; PO2nd-Uncorrect count;
PI2nd-Correct count; PI2nd-Uncorrect count;
PO3rd-Correct count; PO3rd-Uncorrect count.
The above ten numerical values will be displayed for
each 80 ECC block.

(2) For CD/VCDs the following will be displayed:
C1-Correct count; C2-Uncorrect count.
The values for these two items will be displayed
every 7350x4 frames.
For VFD, the following will be displayed:
PO1st-Correct count; (C1-Correct count for CDs).
(Fig. e)

Fig. e:  Sample VFD display of ERROR RATE
measurement

6. To end the ERROR RATE measurement, press the

[OPEN/CLOSE] button on either the unit or the
remote.  After the display has ceased, press the
[POWER] button on either the unit or the remote to
shut off the power.