Sony MDS-PC3 Meanings of Other Displays, Automatic SELF-DIAGNOSIS Function, Information

4-8. MEANINGS OF OTHER DISPLAYS

Display		Contents
	When Lit		When Off
B	Servo ON		Servo OFF
X	Tracking servo OFF		Tracking servo ON
REC z	Recording mode ON		Recording mode OFF
LP	CLV low speed mode		CLV normal mode
L.SYNC	ABCD adjustment completed
ATT	Tracking offset cancel ON		Tracking offset cancel OFF
B	Tracking auto gain OK
A-	Focus auto gain OK
4	Pit		Groove
2	High reflection		Low reflection
SHUF	CLV S		CLV A
MONO	CLV LOCK		CLV UNLOCK

4-9. AUTOMATIC SELF-DIAGNOSIS FUNCTION

This test mode performs CREC and CPLAY automatically for mainly checking the characteristics of the optical pick-up. To perform this test mode, the laser power must first be checked.

Perform AUTO CHECK after the laser power check and Iop check.

Procedure

1.Press the @/1 button. If “LDPWR ” is displayed, it means that the laser power check has not been performed. In this case, perform the laser power check and Iop compare, and then repeat from step 1.

2.If a disc is in the mechanical deck, it will be ejected forcibly.

“DISC IN” will be displayed in this case. Load a test disc (MDW-74/GA-1) which can be recorded.

3.If a disk is loaded at step 2, the check will start automatically.

4.When “XX CHECK” is displayed, the item corresponding to XX will be performed.

When “06 CHECK” completes, the disc loaded at step 2 will be ejected. “DISC IN” will be displayed. Load the check disc (MD) TDYS-1.

5.When the disc is loaded in step 4, the check will automatically be resumed from “07 CHECK”.

6.After completing to test item 12, check OK or NG will be displayed. If all items are OK, “CHECK ALL OK” will be displayed. If any item is NG, it will be displayed as “NG:xxxx”.

When “CHECK ALL OK” is displayed, it means that the optical pick-up is normal. Check the operations of the other spindle motor, thread motor, etc.

When displayed as “NG:xxxx”, it means that the optical pick-up is faulty. In this case, replace the optical pick-up.

4-10. INFORMATION

Display the software version.

Procedure

1.If displayed as “INFORMATION” (C31), press the

2.The software version will be displayed.

3.Press the x/Z button to end this mode.

@/1

button.

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