Sony HCD-PX333 Stereo System User Manual


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