HCD-ZX10D, LBT-ZX10D - Sony Audio Service Manual (repair manual). Page 24

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On the Test Mode Menu screen, selecting [3] executes the aging of
the mechanism deck.

      ### Aging Test MENU ###

    ** Pls use over 40min.CD **

          Operation Menu

1. Open/Close Test

                      Exit: RETURN

1. On the Aging Test MENU screen, press the [1]  key  on the

remote commander to display the Open/Close Test screen.

2. Insert discs and press the [ENTER]  key on the remote

commander.

3. Is starts the aging.

During aging, the disc number, operating status and repeat

cycle are displayed. Aging can be aborted at any time by
pressing the [RETURN]  key. After the operation is stopped,
press the [RETURN] key to return to the Aging Test MENU.

        Disc Check Memory

1. SL Disc check

2. CD Disc check

3. DL Disc check

                      Exit: RETURN

On this screen, measure the mirror time of chucked disc, and write
to the EEPROM.

Error Rate Display

            UC  CR  Address

PI1 Err Now xx xxxx xxxxxxxx

        Max xx xxxx xxxxxxxx

        Avg xx xxxx xxxxxxxx

PI2 Err Now xx xxxx xxxxxxxx

        Max xx xxxx xxxxxxxx

        Avg xx xxxx xxxxxxxx

PO  Err Now xx xxxx xxxxxxxx

        Max xx xxxx xxxxxxxx

        Avg xx xxxx xxxxxxxx

                      Exit: RETURN

On this screen, measure and display the error rate.

UC : Incorrect value
CR : Correct value

SACD Water Mark Check

 PSP AMP

 PSN

 Adjust Error Failed

 Start: ENTER         Stop: RETURN

On this screen, measure the PSP AMP value and PSN value of SACD
water mark.