Sony HCD-PX333 Error Rate Check, Focus Bias Check, Auto Gain Control Output Level Adjustment

HCD-PX333

14. ERROR RATE CHECK

14-1. CD Error Rate Check

Procedure:

1.Load the check disc (TDYS-1).

2.Press the . “R” or > “R” button and display “CPLAY2 MODE” (C36).

3.Press the ENTER/YES “R” button twice and display “CPLAY2 MID”.

4.The display changes to “C = AD = )”.

5.Check that the C1 error rate is below 20.

6.Press the MENU/NO “R” button to stop playback, then press the Z (MD) button and take out the check disc.

14-2. MO Error Rate Check

Procedure:

1.Load the continuously-recorded disc. (Refer to “5. USING THE CONTINUOUSLY RECORDED DISC” (See page 40))

2.Press the . “R” or > “R” button to display “CPLAY2 MODE” (C36).

3.Press the ENTER/YES “R” button to display “CPLAY2MID”.

4.The display changes to “C1 = AD = )”.

5.If the C1 error rate is below 20, check that ADER is 00.

6.Press the MENU/NO “R” button to stop playback, then press the Z (MD) button and take out the disc.

15. FOCUS BIAS CHECK

Change the focus bias and check the focus tolerance amount.

Procedure:

1.Load the continuously-recorded disc. (Refer to “5. USING THE CONTINUOUSLY RECORDED DISC” (See page 40))

2.Press the . “R” or > “R” button to display “CPLAY2 MODE” (C36).

3.Press the ENTER/YES “R” button twice to display “CPLAY2 MID”.

4.Press the MENU/NO “R” button when “C1 = AD = )” is displayed.

5.Press the . “R” or > “R” button to display “FBIAS CHECK” (C16).

6.Press the ENTER/YES “R” button to display “ / c = ”. The first four digits indicate the C1 error rate, the two digits after “/ ” indicate ADER, and the 2 digits after “c =” indicate the focus bias value.

	Check that the C1 error is below 20 and ADER is below 2.
7.	Press the			button and display “	/	b =
			ENTER/YES “R”
	”.
	Check that the C1 error is below 100 and ADER is below 2.
8.	Press the			button and display “	/	a =
		ENTER/YES “R”
	”.
	Check that the C1 error is below 100 and ADER is below 2

9.Press the MENU/NO “R” button, then press the Z (MD) button and take out the disc.

Note: If the C1 error and ADER are above other than the specified value at points a (step 8. in the above) or b (step 7. in the above), the focus bias adjustment may not have been carried out prop- erly. Adjust perform the beginning again.

16. AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT

Be sure to perform this adjustment when the optical pick-up is replaced.

If the adjustment results becomes “Adjust NG!”, the optical pick- up may be faulty or the servo system circuits may be abnormal.

16-1. CD Auto Gain Control Output Level Adjustment

Procedure:

1.Load the check disc (TDYS-1).

2.Press the . m“R” or M >“R” button to display “AG Set (CD)” (C11).

3.When the ENTER/YES “R” button is pressed, the adjustment will be performed automatically.

“Complete!” will then be displayed momentarily when the value is recorded in the non-volatile memory, after which the display changes to “AG Set (CD)” (C11).

4.Press the Z (MD) button and take out the check disc.

16-2. MO Auto Gain Control Output Level Adjustment

Procedure:

1.Load the test disc (MDW-74/GA-1).

2.Press the .“R” or >“R” button to display “AG Set (MO)” (C10).

3.When the ENTER/YES “R” button is pressed, the adjustment will be performed automatically.

“Complete!” will then be displayed momentarily when the value is recorded in the non-volatile memory, after which the display changes to “AG Set (MO)” (C10).

4.Press the Z (MD) button and take out the test disc.

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