SONY ZSM30
Manual de Servicio

ZS-M30

12. FOCUS BIAS CHECK Change the focus bias and check the focus tolerance amount. Checking Procedure: 1. Load the continuously-recorded disc. (Refer to �5. CREATING CONTINUOUSLY-RECORDED DISC�) 2. Turn the JOG dial to display �CPLAY MODE�. 3. Press the YES/ENTER button twice to display �CPLAY MID�. 4. Press the NO/CANCEL button when �C1 = AD = � is displayed. 5. Turn the JOG dial to display �FBIAS CHECK�. 6. Press the YES/ENTER 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 50 and ADER is below 2. 7. Press the YES/ENTER button and display � / b = �. Check that the C1 error is about 200 and ADER is below 2. 8. Press the YES/ENTER button and display � / a = �. Check that the C1 error is about 200 and ADER is below 2. 9. Press the NO/CANCEL button, then press the Z (MD) button and take out the disc.
Note 1:

5-3. CD SECTION
Set the CD test mode when performing confirmations. After completing the confirmation, release the CD test mode. In the CD test mode, the set works as following sequence. CD test mode sequence:

CD test mode Enter the CD test mode 1. CD test mode 1 Press the x (CD) button 2. CD test mode 2

Press the u (CD) button

Press the u (CD) button

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 properly. Adjust perform the beginning again.
3. STOP mode 2 Press the u ,(CD) button.

Press the x (CD) button

Press the x (CD) button. 4. FOCUS mode Press the u ,(CD) button. 5. ALL SERVO ON mode Press the u ,(CD) button. 6. LPC OFF mode Press the u ,(CD) button. 7. TRACKING GAIN UP mode Press the u ,(CD) button. 8. High speed mode Press the u ,(CD) button. Press the x (CD) button. Press the x (CD) button. Press the x (CD) button. Press the x (CD) button.

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