Selecting The Test Mode - Sony ZS-M30 Service Manual

ZS-M30

4-5. SELECTING THE TEST MODE

There are 9 types of test modes as shown below. The groups can be switched by turn the jog dial. After selecting the
group to be used, press the YES/ENTER button. After setting a certain group, turn the jog dial between these modes.
Display
TEMP ADJUST Temperature compensation offset adjustment
LDPWR ADJUST Laser power adjustment
LDPWR CHECK Laser power check
LOAD CHECK load check
S CURVE CHECK S curve check
EFBAL ADJUST EF balance adjustment
FBIAS ADJUST Focus bias adjustment
FBIAS CHECK Focus bias check
CPLAY MODE Continuous playback mode
CREC MODE Continuous recording mode
DETRK CHECK Detrack check
LOAD AGING Load aging
EEP MODE Non-volatile memory control
• For details of each adjustment mode, refer to "5. Electrical Adjustments".
• If a different mode has been selected by mistake, press the NO/CANCEL button to release that mode.
• EEP MODE is not used for servicing and therefore are not described in detail. If these modes are set accidentally, press the NO/CANCEL
button to release the mode immediately. Be especially careful this mode will overwrite the non-volatile memory and reset it, and as a
result, the unit will not operate normally.
•When selecting test mode, usually the message "TEMP ADJUST" appears. In two rare cases, however, another message may be shown.
1. After conclusion of automatic temperature compensation (starting from display "TEMP = 00"), the message "Disc Insert" appears.
2. The message "Disc Insert" is displayed right form the start.
In both cases press the YES/ENTER button while holding the EDIT button, thus displaying "TEMP ADJUST" and entering
normal test mode.
In order to cause "TEMP ADJUST" to be displayed whenever test mode is selected, execute the following steps.
1. Rotate the jog dial until "EEP MODE" is shown.
2. Press the YES/ENTER button to display "EEP READ".
3. Press the YES/ENTER button to display "EEP XXXX".
(The first two "X"-marks represent the address, the latter two the value).
4. Rotate the jog dial to set the address to 15.
5. Press the YES/ENTER button while holding the EDIT button.
6. Confirm that the display shows "EEP15XX >XX".
7. Rotate the jog dial to set the value after the ">"-mark to FF.
8. Press the YES/ENTER button.
9. Confirm that the display shows "Complete".
10.After that, confirm that the display turns to "EEP READ".
11.Press the YES/ENTER button.
12.Confirm that the display shows "EEP15FF".
13.Press the NO/CANCEL button.
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