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IOP Data Recording and Display When Pickup and Non-volatile Memory (IC171 of BD board) are Replaced
The IOP value labeled on the pick-up can be recorded in the non-volatile memory. By recording the value, it will eliminate the need to look
at the value on the label of the optical pick-up. When replacing the pick-up or non-volatile memory (IC171 of BD board), record the IOP
value on the pick-up according to the following procedure.
Record Precedure:
1. While pressing the [AMS] knob and p button, connect the power plug to the outlet, and release the [AMS] knob
and p button.
2. Rotate the [AMS] knob to display “[Service]”, and press the [YES] button.
3. Rotate the [AMS] knob to display “lop.Write” (C28), and press the [YES] button.
4. The display becomes “Ref=@@@.@” (@ is an arbitrary number) and the numbers which can be changed will blink.
5. Input the IOP value written on the optical pick-up.
To select the number : Rotate the [AMS] knob.
To select the digit : Press the [AMS] knob.
6. When the [YES] button is pressed, the display becomes “Measu=@@@.@” (@ is an arbitrary number).
7. As the adjustment results are recorded for the 6 value. Leave it as it is and press the [YES] button.
8. “Complete!” will be displayed momentarily. The value will be recorded in the non-volatile memory and the display will become “Iop
Write”.
9. Press the [REPEAT] button to complete. “Standby” will be displayed.
Display Precedure:
1. While pressing the [AMS] knob and p button, connect the power plug to the outlet, and release the [AMS] knob
and p button.
2. Rotate the [AMS] knob to display “[Service]”, and press the [YES] button.
3. Rotate the [AMS] knob to display “lop.Read” (C27).
4. “@@.@/##.#” is displayed and the recorded contents are displayed.
@@.@: indicates the Iop value labeled on the pick-up.
##.# : indicates the Iop value after adjustment
5. To end, press the [AMS] button or [MENU/NO] button to display “Iop Read”. Then press the [REPEAT] button to display
“Standby”.
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